{"id":24933,"date":"2022-09-15T16:38:54","date_gmt":"2022-09-15T08:38:54","guid":{"rendered":"https:\/\/www.fst.um.edu.mo\/personal\/?page_id=24933"},"modified":"2022-09-15T16:51:07","modified_gmt":"2022-09-15T08:51:07","slug":"welsyc","status":"publish","type":"page","link":"https:\/\/www.fst.um.edu.mo\/personal\/welsyc\/","title":{"rendered":"Wai-Wa Choi"},"content":{"rendered":"\t\t
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<\/td>\nWai Wa CHOI, Welsy<\/span>\u8521\u5049\u83ef<\/span>
Associate Professor
GE Course Area Coordinator (Physical Science and the World) in CTLE<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

<\/a><\/p>\n

Academic Qualifications<\/h3>\n

<\/a><\/p>\n\n\n\n\n\n
2008<\/td>\n <\/td>\nPhD Degree of Electrical and Electronics Engineering in University of Macau, Macao, China<\/strong>
Classification: Very Good with Honours and Distinction<\/em>
Title of Thesis: Microwave Miniaturization Techniques and Theirs Applications to Quasi-Elliptic Bandpass Filters<\/em><\/td>\n<\/tr>\n
1997<\/td>\n <\/td>\nMSc Degree of Electrical and Electronics Engineering in University of Macau, Macao, China<\/strong>
Title of Thesis: Internet Facsimile Gateway<\/em><\/td>\n<\/tr>\n
1993<\/td>\n <\/td>\nBSc Degree of Electrical and Electronics Engineering in University of Macau, Macao, China<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

 Academic Working Experiences<\/h3>\n

<\/a><\/p>\n\n\n\n\n
Present
\u2013 Sep. 2015<\/td>\n		 <\/td>\nAssociate Professor<\/strong>
Department of Electrical and Computer Engineering<\/em>
Faculty of Science and Technology<\/em>
University of Macau, Macao, China<\/em><\/td>\n<\/tr>\n
Aug. 2015
\u2013 Sep. 2009<\/td>\n		 <\/td>\nAssistant Professor<\/strong>
Department of Electrical and Computer Engineering<\/em>
Faculty of Science and Technology<\/em>
University of Macau, Macao, China<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

Professional Working Experiences<\/h3>\n

<\/a><\/p>\n\n\n\n\n\n\n
Aug. 2009
\u2013 Nov. 2008<\/td>\n		 <\/td>\nSenior Research Officer
<\/strong>Department of Electrical and Electronics Engineering
Faculty of Science and Technology
University of Macau, Macao, China <\/em><\/td>\n<\/tr>\n
Oct. 2008
\u2013 Mar. 1996<\/td>\n		 <\/td>\nResearch Assistant
<\/strong>Department of Electrical and Electronics Engineering
Faculty of Science and Technology
University of Macau, Macao, China <\/em><\/td>\n<\/tr>\n
Aug. 2003
\u2013 Dec. 1995<\/td>\n		 <\/td>\nResearch Assistant
<\/strong>(Under appointment of University Management Board of University of Macau)
Institute of Systems and Computer Engineering of Macau,  INESC-Macau, Macao, China<\/em><\/td>\n<\/tr>\n
Aug. 1995
\u2013 Nov. 1993<\/td>\n		 <\/td>\nResearch Assistant
<\/strong>Center of Network Communication,
Institute of Systems and Computer Engineering,  INESC-Lisbon, Lisbon, Portugal<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/a><\/p>\n

Honors and Awards<\/h3>\n

<\/a><\/p>\n\n\n\n
2020<\/td>\n <\/td>\nAwardee of Second Prize in Natural Science Award of Macao Science and Technology Award
<\/strong>\u6fb3\u9580\u79d1\u5b78\u6280\u8853\u734e\u52f5\u81ea\u7136\u79d1\u5b78\u4e8c\u7b49\u734e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Student Honors and Awards under Advisory<\/h3>\n

<\/a><\/p>\n\n\n\n\n\n\n\n\n\n
2018<\/td>\n <\/td>\nTu Mengting<\/strong>, Supervisor
Defected Ground Structure of UWB Chipless RFID Tag for FMCW Radar
<\/em>Best Paper Awards of The 9th IEEE International Conference on RFID Technology and Applications (IEEE RFID-TA 2018)<\/span>
<\/em><\/td>\n<\/tr>\n
2017<\/td>\n <\/td>\nNeng-Wu Liu<\/strong>, Supervisor
Low-Profile Wideband Differential-Fed Microstrip Antenna under Operation of TM10 and TM12 Modes
<\/em>Best Student Paper Awards of The 2017 National Conference on Antennas (NCANT)<\/span>
<\/em><\/td>\n<\/tr>\n
2017<\/td>\n <\/td>\nNeng-Wu Liu<\/strong>, Supervisor
Low-Profile Wide-Bandwidth Patch Antenna under Operation of TM0,1\/2 and TM2,1\/2 Modes
<\/em>Best Student Paper Awards of The 2017 the Cross-Strait Quad-Regional Radio Wireless Conference (CSQRWC2017)<\/span>
<\/em><\/td>\n<\/tr>\n
2010<\/td>\n <\/td>\nLi Yang<\/strong>, Supervisor
A Three-Port Integrated Dual Band Filter-Antenna Module
<\/em>Best Student Paper Award of The 15th International Symposium on Antennas and Propagation (ISAP2010)<\/span><\/td>\n<\/tr>\n
2010<\/td>\n <\/td>\nSam-Ngai Lam and Yao-Quan Qui<\/strong>, Supervisor
<\/em>Honorary Student Paper Award 2010 International Conference on Applications of Electromagnetism and Student Innovation Competition Awards<\/span><\/td>\n<\/tr>\n
2002<\/td>\n <\/td>\nFok Si Weng<\/strong>, Co-Advisor
<\/em>IEEE Microwave Theory and Techniques Society Undergraduate Scholarship<\/span><\/td>\n<\/tr>\n
2001<\/td>\n <\/td>\nChiang Chun Pong<\/strong>, Co-Advisor
IEEE Microwave Theory and Techniques Society Undergraduate Scholarship Recipient<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
2021<\/td>\n <\/td>\nChan Tak Chon, Fong Chu Po and Io Hong Wai<\/strong>, Supervisor
<\/em>Dean List Recipient of Faculty of Science and Technology<\/span>
<\/em><\/td>\n<\/tr>\n
2020<\/td>\n <\/td>\nKong Man Long, Ieong Io Neng and Ho Chon Hei<\/strong>, Supervisor
<\/em>Best 5 Department Final Year Project of Faculty of Science and Technology<\/span>
<\/em><\/td>\n<\/tr>\n
2019<\/td>\n <\/td>\nWu Tong and Li Zhiquan<\/strong>, Supervisor
<\/em>Dean List Recipient of Faculty of Science and Technology<\/span>
<\/em><\/td>\n<\/tr>\n
2017<\/td>\n <\/td>\nLoi Kin Chong and Fun Chi Hin<\/strong>, Supervisor
<\/em>Dean List Recipient of Faculty of Science and Technology<\/span><\/td>\n<\/tr>\n
2014<\/td>\n <\/td>\nChan Ka Heng and Cheng Chi Seng<\/strong>, Supervisor
<\/em>Dean List Recipient of Faculty of Science and Technology<\/span><\/td>\n<\/tr>\n
2013<\/td>\n <\/td>\nChio Wai Lon and Zhang Yuzhe<\/strong>, Supervisor
<\/em>Dean List Recipient of Faculty of Science and Technology<\/span><\/td>\n<\/tr>\n
2012<\/td>\n <\/td>\nLo Wang Fu and Ho Kam Un<\/strong>, Co-Supervisor<\/em>
Dean List Recipient of Faculty of Science and Technology<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

<\/a><\/p>\n

Professional Affiliations<\/h3>\n

<\/a><\/p>\n\n\n\n\n\n\n\n\n
2010 \u2013 Present<\/td>\n <\/td>\nSenior Member of The Institute of Electrical and Electronics Engineers (IEEE)<\/td>\n<\/tr>\n
2011 \u2013 Present<\/td>\n <\/td>\nMember of The Institute of Electronics, Information and Communication Engineers (IEICE)<\/td>\n<\/tr>\n
2009 \u2013 Present<\/td>\n <\/td>\nMember of International Steering Committee of International Symposium on Antennas and Propagation (ISAP)<\/td>\n<\/tr>\n
2014 \u2013 2015<\/td>\n <\/td>\nChairman of IEEE Macau AP\/MTT Joint Chapter<\/td>\n<\/tr>\n
2013 \u2013 2014<\/td>\n <\/td>\nVice-chairman of IEEE Macau AP\/MTT Joint Chapter<\/td>\n<\/tr>\n
2012 \u2013 2013<\/td>\n <\/td>\nSecretary of IEEE Macau AP\/MTT Joint Chapter<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

<\/a><\/p>\n

Student Supervision<\/h3>\n

Postgraduate Student Supervisions<\/h4>\n

PhD Graduates<\/strong><\/p>\n\n\n\n\n\n
Year<\/td>\n <\/td>\nStudent Name, Role<\/td>\n<\/tr>\n
Dec. 2017<\/td>\n <\/td>\nYang Li,<\/strong> Co-Supervisor
Thesis Title: Analysis and Design of Microstrip-to-Microstrip Vertical Transitions for Applications in Multilayered Bandpass Filters<\/em><\/td>\n<\/tr>\n
Sep. 2017<\/td>\n <\/td>\nLiu Neng Wu, <\/strong>Principal-Supervisor
Thesis Title: Wideband Patch Antennas under Radiation of Multi-Resonant Modes<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

MSc Graduates<\/strong><\/p>\n\n\n\n\n\n\n\n\n
Year<\/td>\n <\/td>\nStudent Name, Role<\/td>\n<\/tr>\n
Dec. 2018<\/td>\n <\/td>\nTu Mengting,<\/strong> Supervisor
Thesis Title: FMCW Doppler Radar System to Detect the Velocity and Range of the Slow Moving Target<\/em><\/td>\n<\/tr>\n
Feb. 2016<\/td>\n <\/td>\nYang Jie, <\/strong>Supervisor
Thesis Title: Frequency-Agile Slot Antenna using Varactors Loaded Parallel Strips Feed Structure<\/em><\/td>\n<\/tr>\n
Feb. 2016<\/td>\n <\/td>\n\n

Zhuang Wen Yao, <\/b>Supervisor
<\/em>Thesis Title: Design of a Novel Beam Steering Network based on Butler Matrix<\/em><\/p>\n<\/td>\n<\/tr>\n

Jan. 2013<\/td>\n <\/td>\n\n

Yang Li, <\/b>Supervisor
Thesis Title: Design of Integrated Differential Dual-Band Bandpass Filter-Antenna Module
<\/em><\/p>\n<\/td>\n<\/tr>\n

Mar. 2011<\/td>\n <\/td>\n\n

Leong Chon Chio, <\/b>Co-Supervisor
Thesis Title: Tunable Defected Ground Structure and Its Applications to Simultaneous Reconfigurable Communication and Partial Discharge Detection
<\/em><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Research<\/h3>\n

Research Interests<\/h4>\n

Dr. Choi\u2019s research interests are about tunable\/reconfigurable microwave components, wireless communication system, apply machine learning (ML) for wireless signals analysis and remote sensing, various RFID application, etc.<\/p>\n

External Research Grant (PI)<\/h4>\n\n\n\n\n\n\n\n\n
Period<\/td>\n <\/td>\nProject<\/td>\n<\/tr>\n
Present
– Sep. 2022<\/td>\n		 <\/td>\nApplication of Advanced Reconfigurable Beam and Polarization Switchable
Antennas to Improve Machine Learning-Based Backscatter Signal
Recognition
<\/strong>Funded by Macao Science and Technology Development Fund<\/em>
<\/strong><\/td>\n<\/tr>\n
Present
– Oct. 2021<\/td>\n		 <\/td>\nMicrowave GaN Angular Displacement Sensors based on Defected Ground
Structured Transversal Filtering and Negative Group Delay Generation
Technique
<\/strong>Funded by Macao Science and Technology Development Fund<\/em>
<\/strong><\/td>\n<\/tr>\n
Mar. 2019
\u2013 Jan. 2014<\/td>\n		 <\/td>\n\u5229\u7528\u4e26\u884c\u6709\u9650\u5143\u6cd5\u7684\u4eba\u9ad4\u96fb\u78c1\u6548\u61c9\u6a21\u64ec
<\/strong>\u570b\u5bb6\u79d1\u5b78\u6280\u8853\u90e8\u8207\u6fb3\u9580\u79d1\u5b78\u6280\u8853\u767c\u5c55\u57fa\u91d1\u806f\u5408\u79d1\u7814\u8cc7\u52a9\u9805\u76ee<\/span>
Funded by Macao Science and Technology Development Fund<\/em>
<\/strong><\/td>\n<\/tr>\n
Dec. 2017
\u2013 Jan. 2014<\/td>\n		 <\/td>\nMulti-Beam, Multi-Band, Multi-Function Radar Systems
<\/strong>Funded by Macao Science and Technology Development Fund<\/em><\/td>\n<\/tr>\n
May 2013
\u2013 Sep. 2009<\/td>\n		 <\/td>\nMulti-layer Multi-conductor Transmission Line and its Applications to Differential Microwave Circuits
<\/strong> Funded by Macao Science and Technology Development Fund<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Internal Research Grant (PI)<\/h4>\n\n\n\n\n\n\n
Period<\/td>\n <\/td>\nProject<\/td>\n<\/tr>\n
Present
– 2020<\/td>\n		 <\/td>\nStudy of Radar Technology for Applications on RFID Location Detection
<\/strong>Funded by Research Committee of University of Macau<\/em>
<\/strong><\/td>\n<\/tr>\n
2017
\u2013 2014<\/td>\n		 <\/td>\nStudy of RF\/MW Tunable Components for Cognitive Radio
<\/strong>Funded by Research Committee of University of Macau<\/em><\/td>\n<\/tr>\n
2010
\u2013 2009<\/td>\n		 <\/td>\nMiniaturization Techniques for Microwave Tunable Circuits
<\/strong>Funded by Research Committee of University of Macau<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Publications<\/h3>\n

Journal Papers<\/span><\/p>\n

    \n
  1. P Cheong, Mengting Tu, Wai-Wa Choi<\/strong> and Ke Wu, \u201cAn ingenious multiport interferometric front-end for concurrent dual-band transmission,\u201d IEEE Trans. Microw. Theory Tech. <\/em> 70, no. 3, pp. 1725-1731, March 2022.<\/li>\n<\/ol>\n
      \n
    1. Xuedao Wang, Jianpeng Wang, Lei Zhu, Wai-Wa Choi<\/strong> and Wen Wu, \u201cDesign of compact planar power divider with wideband bandpass response and high in-band isolation,\u201d IET Microwaves, Antennas & Propagation, <\/em>April 2021.<\/li>\n<\/ol>\n
        \n
      1. Xuedao Wang, Min Wang, Gang Zhang, Lei Zhu, Wai-Wa Choi<\/strong> and Jianpeng Wang, \u201cDesign of a compact microstrip balanced\u2010to\u2010balanced filtering power divider with real impedance\u2010transformation functionality,\u201d IET Microwaves, Antennas & Propagation, <\/em> 15, <\/em>no. 5, pp. 481-494, March 2021.<\/li>\n<\/ol>\n
          \n
        1. Chi-Hou Chio, Roberto G\u00f3mez-Garc\u00eda, Li Yang, Kam-Weng Tam, Wai-Wa Choi<\/strong> and Sut-Kam Ho, \u201cDirectional-coupler-based microwave sensors for differential angular-displacement measurement,\u201d International Journal of RF and Microwave Computer-Aided Engineering, <\/em> 30, no. 10, <\/em>June 2020.<\/li>\n<\/ol>\n
            \n
          1. Chi-Hou Chio*<\/sup>, Roberto G\u00f3mez-Garc\u00eda, Li Yang, Kam Weng Tam, Wai-Wa Choi<\/strong> and Sut Kam Ho, \u201cAn angular displacement sensor based on microwave transversal signal interference principle,\u201d IEEE Sensors Journal<\/em>, vol. 20, no. 19, pp. 11237-11246, October 2020.<\/li>\n<\/ol>\n
              \n
            1. Wen-Hai Zhang, Kam-Weng Tam, Wen-Jun Lu, Pedro Cheong, Wai-Wa Choi<\/strong> and Sut-Kam Ho, \u201cTilted Bi-sense circularly-polarized antenna and its application for radio frequency identification system,\u201d International Journal of RF and Microwave Computer-Aided Engineering<\/em>, vol. 30, no. 7, July 2020.<\/li>\n<\/ol>\n
                \n
              1. Cheng Teng, Pedro Cheong, Sut-Kam Ho, Kam-Weng Tam and Wai-Wa Choi<\/strong>, \u201cDesign of wideband bandpass filter with simultaneous bandwidth and notch tuning based on dual cross-shaped resonator,\u201d IEEE Access<\/em>, vol. 8, pp. 27038-27046, February, 2020.<\/li>\n<\/ol>\n
                  \n
                1. Hong-Xu Zhu, Pedro Cheong, Kam-Weng Tam, Sut-Kam Ho and Wai-Wa Choi<\/strong>, \u201cAn angular displacement sensor based on microstrip wideband impedance transformer with quasi-Chebyshev frequency response,\u201d IEEE Sensors Journal<\/em>, vol. 20, no. 8pp. 4200-4206, April 2020.<\/li>\n<\/ol>\n
                    \n
                  1. Xuedao Wang*<\/sup>, Jianpeng Wang, Lei Zhu, Wai-Wa Choi<\/strong> and Wen Wu, \u201cCompact stripline dual-band bandpass filters with controllable frequency ratio and high selectivity based on self-coupled resonator,\u201d IEEE Trans. Microw. Theory Tech. <\/em> 68, no. 1, pp. 102-110, January 2020.<\/li>\n<\/ol>\n
                      \n
                    1. Chi-Hou Chio*<\/sup>, Roberto G\u00f3mez-Garc\u00eda, Li Yang, Kam-Weng Tam, Wai-Wa Choi<\/strong> and Sut-Kam Ho, \u201cAn Angular-Displacement Microwave Sensor Using an Unequal-Length-Bi-Path Transversal Filtering Section,\u201d IEEE Sensors Journal<\/em>, vol. 20, no. 2, pp. 715-722, January 2020.<\/li>\n<\/ol>\n
                        \n
                      1. Hong-Xu Zhu, Pedro Cheong, Sut-Kam Ho, Kam-Weng Tam and Wai-Wa Choi<\/strong>, \u201cRealization of extremely high and low impedance transforming ratios using cross-shaped impedance transformer,\u201d IEEE Trans. Circuits Syst. II, Exp. Briefs<\/em>, vol. 67, no. 7, pp. 1189\u20131193, July 2020.<\/li>\n<\/ol>\n
                          \n
                        1. Chi-Hou Chio*<\/sup>, Cheng Teng, Kam-Weng Tam, Wai-Wa Choi<\/strong>, Pedro Cheong and Sut-Kam Ho, \u201cDifferential permittivity sensor using microstrip terminated cross-shaped resonator structure for material characterization,\u201d IEEE Access<\/em>, vol. 7, pp. 2169-3536, July, 2019.<\/li>\n<\/ol>\n
                            \n
                          1. Yu-Ming Wu, Sai-Wai Wong, Jing-Yu Lin, Yang Yang, Long Zhang, Wai-Wa Choi<\/strong>, Lei Zhu and Yejun He, \u201cDesign of triple-band and triplex slot antenna using triple-mode cavity resonator,\u201d IET Microwaves, Antennas & Propagation<\/em>, vol. 13, no. 13, pp. 2303-2309, October 2019.<\/li>\n<\/ol>\n
                              \n
                            1. Li Yang, Lei Zhu, Runqi Zhang, Jianpeng Wang, Wai-Wa Choi<\/strong>, Kam-Weng Tam and Roberto G\u00f3mez-Garc\u00eda, \u201cNovel multilayered ultra-broadband bandpass filters on high-impedance slotline resonators,\u201d IEEE Trans. Microw. Theory Tech. <\/em> 67 no. 1, pp. 129-139, January 2019.<\/li>\n<\/ol>\n
                                \n
                              1. Neng-Wu Liu, Lei Zhu, Wai-Wa Choi <\/strong>and Guang Fu,<\/strong> \u201cA low-profile wideband aperture-fed microstrip antenna with improved radiation patterns,\u201d IEEE Trans. Antennas Propag. <\/em> 67 no. 1, pp. 562-567, January 2019.<\/li>\n<\/ol>\n
                                  \n
                                1. Li Yang, Lei Zhu, Wai-Wa Choi<\/strong>, Kam-Weng Tam, Runqi Zhang and Jianpeng Wang, \u201cWideband balanced-to-unbalanced bandpass filters synthetically designed with Chebyshev filtering response,\u201d IEEE Trans. Microw. Theory Tech. <\/em> 66 no. 10, pp. 4528-4539, October 2018.<\/li>\n<\/ol>\n
                                    \n
                                  1. Xuedao Wang*, Jianpeng Wang, Wai-Wa Choi<\/strong>, Li Yang and Wen Wu, \u201cDual-wideband filtering power divider based on coupled stepped-impedance resonators,\u201d IEEE Microw. Wireless Comp. Letts.,<\/em> 28, no. 10, pp. 873-875, October 2018.<\/li>\n<\/ol>\n
                                      \n
                                    1. Huan Huan Zhang, Zhong Chao Lin, Wei E. I. Sha, Wai Wa Choi<\/strong>, Kam Weng Tam, Daniel Garcia Donoro and Guangming Shi, \u201cElectromagnetic-thermal analysis of human head exposed to cell phones with the consideration of radiative cooling,\u201d IEEE Antennas and Wireless Propag. Lett.<\/em>, vol. 17, pp. 1584-1587, September, 2018.<\/li>\n<\/ol>\n
                                        \n
                                      1. Neng-Wu Liu, Lei Zhu, Wai-Wa Choi<\/strong> and Xiao Zhang, \u201cA low-profile differential-fed patch antenna with bandwidth enhancement and sidelobe reduction under operation of TM10<\/sub> and TM12<\/sub> modes,\u201d IEEE Trans. Antennas Propag. <\/em> 66 no. 9, pp. 4854-4859, September 2018.<\/li>\n<\/ol>\n
                                          \n
                                        1. Neng-Wu Liu, Lei Zhu, Wai-Wa Choi<\/strong> and Jin-Dong Zhang, \u201cA low-profile differentially fed microstrip patch antenna with broad impedance bandwidth under triple-mode resonance,\u201d IEEE Antennas Wireless Propag. Lett.<\/em>, vol. 17, pp. 1478-1482, August, 2018.<\/li>\n<\/ol>\n
                                            \n
                                          1. Li Yang, Lei Zhu, Wai-Wa Choi<\/strong>, Kam-Weng Tam and Runqi Zhang, \u201cCompact wideband microstrip-to-microstrip vertical transition with extended upper stopband,\u201d International Journal of RF and Microwave Computer-Aided Engineering<\/em>, vol. 28 no. 4, pp. May 2018.<\/li>\n<\/ol>\n
                                              \n
                                            1. Neng-Wu Liu, Lei Zhu and Wai-Wa Choi<\/strong>, \u201cA low-profile wide-bandwidth planar inverted-F antenna under dual resonances: principle and design approach,\u201d IEEE Trans. Antennas Propag.<\/em> 65, no. 10, pp. 5019-5025, October 2017.<\/li>\n<\/ol>\n
                                                \n
                                              1. Neng-Wu Liu, Lei Zhu, Xiao Zhang and Wai-Wa Choi<\/strong>, \u201cA Wideband differential-fed dual-polarized microstrip antenna under radiation of dual improved odd-order resonant modes,\u201d IEEE Access, <\/em> 5, pp. 23672-23680, November 2017.<\/li>\n<\/ol>\n
                                                  \n
                                                1. Li Yang, Lei Zhu, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cAnalysis and design of wideband microstrip-to-microstrip equal ripple vertical transitions and their application to bandpass filters,\u201d IEEE Trans. Microw. Theory Tech. <\/em> 65 no. 8, pp. 2866-2877, August 2017.<\/li>\n<\/ol>\n
                                                    \n
                                                  1. Neng-Wu Liu, Lei Zhu, Wai-Wa Choi<\/strong> and Xiao Zhang, \u201cWideband shorted patch antenna under radiation of dual-resonant modes,\u201d IEEE Trans. Antennas Propag. <\/em> 65 no. 6, pp. 2789-2796, June 2017.<\/li>\n<\/ol>\n
                                                      \n
                                                    1. Li Yang, Lei Zhu, Wai-Wa Choi<\/strong>, Kam-Weng Tam, Runqi Zhang and Jianpeng Wang, \u201cWideband microstrip-to-microstrip vertical transition with high filtering selectivity using open-circuited slotline SIR,\u201d IEEE Microw. Wireless Comp. Letts.,<\/em> 27, no. 4, pp. 329-331, April 2017.<\/li>\n<\/ol>\n
                                                        \n
                                                      1. Neng-Wu Liu, Lei Zhu and Wai-Wa Choi<\/strong>, \u201cA differential-fed microstrip patch antenna with bandwidth enhancement under operation of TM10<\/sub> and TM30<\/sub> modes,\u201d IEEE Trans. Antennas Propag.<\/em> 65, no. 4, pp. 1607-1614, April 2017.<\/li>\n<\/ol>\n
                                                          \n
                                                        1. Neng-Wu Liu, Lei Zhu, Wai-Wa Choi<\/strong> and Xiao Zhang, \u201cA low-profile aperture-coupled microstrip antenna with enhanced bandwidth under dual resonance,\u201d IEEE Trans. Antennas Propag.<\/em> 65, no.3, pp.1055-1062, March 2017.<\/li>\n<\/ol>\n
                                                            \n
                                                          1. Li Yang, Wai-Wa Choi<\/strong>, Kam-Weng Tam and Lei Zhu, \u201cNovel wideband bandpass filter with dual notched bands using stub-loaded resonators,\u201d IEEE Microw. Wireless Comp. Letts.<\/em>, vol. 27, no. 1, pp. 25-27, January 2017.<\/li>\n<\/ol>\n
                                                              \n
                                                            1. Chong Fan, Wai-Wa Choi<\/strong>, Wanchen Yang, Wenquan Che and Kam-Weng Tam, \u201cA low cross-polarization reflectarray antenna based on SIW slot antenna,\u201d IEEE Antennas Wireless Propag. Lett.<\/em>, vol. 16, pp. 333-336, 2017.<\/li>\n<\/ol>\n
                                                                \n
                                                              1. Yang Xiong, Cheng Teng, Ming He, Kam-Weng Tam, Xian Yu, Wai-Wa Choi<\/strong> and Hai Hua Chen, \u201cUsing intrinsic zero to notch satellite signals in UWB filter,\u201d J. Microw. Wireless Technol.<\/em> vol. 9, no. 5, pp. 1009-1015, November 2016.<\/li>\n<\/ol>\n
                                                                  \n
                                                                1. Neng-Wu Liu*<\/sup>, Lei Zhu and Wai-Wa Choi<\/strong>, \u201cA printed wide-beamwidth circularly polarized antenna via two pairs of radiating slots placed in a square contour,\u201d J. Microw. Wireless Technol.<\/em> vol. 9, no. 3, pp. 649-656, August 2016.<\/li>\n<\/ol>\n
                                                                    \n
                                                                  1. Neng-Wu Liu*<\/sup>, Lei Zhu, Wai-Wa Choi<\/strong>, Jin-Dong Zhang, \u201cA novel differential-fed patch antenna on stepped-impedance resonator with enhanced bandwidth under dual-resonance,\u201d IEEE Trans. Antennas Propag<\/em>., 64, no. 11, pp. 4618-4625, November 2016.<\/li>\n<\/ol>\n
                                                                      \n
                                                                    1. Neng-Wu Liu*<\/sup>, Lei Zhu and Wai-Wa Choi<\/strong>, \u201cLow-profile wide-beamwidth circularly-polarised patch antenna on a suspended substrate,\u201d IET Microw. Antennas Propag.<\/em>, vol. 10, no. 8, pp. 885-890, May 2016.<\/li>\n<\/ol>\n
                                                                        \n
                                                                      1. Li Yang*<\/sup>, Lei Zhu, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cVertical microstrip-to-microstrip transition through the highpass-filter topology for ultra-wideband (UWB) applications,\u201d Transactions Hong Kong Institution of Engineers, <\/em> 23, no. 1, pp. 19-25, March 2016.<\/li>\n<\/ol>\n
                                                                          \n
                                                                        1. Li Yang*<\/sup>, Lei Zhu, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cWideband vertical microstrip-to-microstrip transition with three-pole filtering response,\u201d Microwave and Optical Technology Lett.<\/em>, vol. 57, no. 9, pp. 2213-2216, September 2015.<\/li>\n<\/ol>\n
                                                                            \n
                                                                          1. Li Yang*<\/sup>, Wai-Wa Choi<\/strong>, Kam-Weng Tam and Lei Zhu, \u201cBalanced dual-band bandpass filter with multiple transmission zeros using doubly short-ended resonator coupled line,\u201d IEEE Trans. Microw. Theory Tech.<\/em>, 63, no. 7, pp. 2225-2232, July 2015.<\/li>\n<\/ol>\n
                                                                              \n
                                                                            1. Hui Wang*<\/sup>, Kam-Weng Tam, Wai-Wa Choi<\/strong>, Wen-Yao Zhuang*<\/sup>, Sut-Kam Ho, Wei Kang and Wen Wu, \u201cAnalysis of coupled cross-shaped resonator and its application to differential bandpass filters design,\u201d IEEE Trans. Microw. Theory Tech. <\/em> 63, no. 1, January 2015.<\/li>\n<\/ol>\n
                                                                                \n
                                                                              1. Pedro Cheong, Ka-Fai Chang, Wai-Wa Choi<\/strong>, and Kam-Weng Tam \u201cA highly integrated antenna-triplexer with simultaneous three-port isolations based on multi-mode excitation,\u201d IEEE Trans. Antennas Propag.<\/em> 63, no. 1, pp 363-368, January 2015.<\/li>\n<\/ol>\n
                                                                                  \n
                                                                                1. Wanchen Yang*<\/sup>, Kam-Weng Tam, Wai-Wa Choi<\/strong>, Wenquan Che and Hon-Tat Hui, \u201cNovel polarization rotation technique based on an artificial magnetic conductor and its application in a low-profile circular polarization antenna,\u201d IEEE Trans. Antennas Propag.<\/em> 62, no. 10, 2014.<\/li>\n<\/ol>\n
                                                                                    \n
                                                                                  1. Wanchen Yang*<\/sup>, Kam-Weng Tam, Wai-Wa Choi<\/strong>, Wenquan Che and Hon Tat Hui, \u201cNovel polarization rotation reflective surface based on an artificial magnetic conductor and its application,\u201d Lett.<\/em> vol. 50, no. 21, pp. 1500 \u2013 1502, October 2014.<\/li>\n<\/ol>\n
                                                                                      \n
                                                                                    1. Pedro Cheong, Ke Wu, Wai-Wa Choi<\/strong> and Kam-Weng Tam \u201cYagi-Uda antenna for multiband radar applications,\u201d IEEE Antennas Wireless Propag. Lett.<\/em>, vol. 13, pp. 1065-1068, 2014.<\/li>\n<\/ol>\n
                                                                                        \n
                                                                                      1. Wai-Wa Choi, Ka-Fai Chang, Chon-Chio Leong, Pedro Cheong and Kam-Weng Tam, \u201cDesign and analysis of defected ground structure transformer for dual-band antenna,\u201d IET<\/em> The Journal of Engineering<\/em> 2014 no.11., pp.612-617, November 2014.<\/li>\n<\/ol>\n
                                                                                          \n
                                                                                        1. Jin-Rong Mao*<\/sup>, Wai-Wa Choi<\/strong>, Kam-Weng Tam, Wenquan Che and Quan Xue, \u201cTunable bandpass filter design based on external quality factor tuning and multiple mode resonators for wideband applications,\u201d IEEE Trans. Microw. Theory Tech.<\/em>, vol. 61, no. 7, pp. 2574 \u2013 2584, July 2013.<\/li>\n<\/ol>\n
                                                                                            \n
                                                                                          1. Suyang Shi*<\/sup>, Wai-Wa Choi<\/strong>, Wenquan Che, Kam-Weng Tam, and Quan Xue, \u201cUltra-wideband differential bandpass filter with narrow notched band and improved common-mode suppression by DGS,\u201d IEEE Microw. Wireless Comp. Letts.<\/em>, vol. 22, no. 4, pp. 185\u2013187, April 2012.<\/li>\n<\/ol>\n
                                                                                              \n
                                                                                            1. Wai-Wa Choi<\/strong>, \u201cSpecial section on recent progress in antennas and propagation conjunction with main topics of ISAP2010 Forward\u201d, The IEICE Trans. of Communications<\/em>, vol. E95-B no.1, January 2012.<\/li>\n<\/ol>\n
                                                                                                \n
                                                                                              1. Li Yang*<\/sup>, Pedro Cheong, Liang Han, Wai-Wa Choi<\/strong>, Kam-Weng Tam and Ke Wu \u201cMiniaturized parallel coupled-line filter-antenna with spurious response suppression,\u201d IEEE Antennas Wireless Propag. Lett.<\/em>, vol. 10, pp. 726 \u2013 729, 2011.<\/li>\n<\/ol>\n
                                                                                                  \n
                                                                                                1. Pedro Cheong, Ting-Shan Lv, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cA compact microstrip square-loop dual-mode balun-bandpass filter with simultaneous spurious response suppression and differential performance improvement,\u201d IEEE Microw. Wireless Compon. Lett.<\/em> 21, pp. 77 \u2013 79, February 2011.<\/li>\n<\/ol>\n
                                                                                                    \n
                                                                                                  1. Xiao-Hua Wang, Quan Xue and Wai-Wa Choi<\/strong>, \u201cA novel ultra-wideband differential filter based on double-sided parallel-strip line,\u201d IEEE Microw. Wireless Compon. Lett.<\/em> 20, pp. 471 \u2013 473, August 2010.<\/li>\n<\/ol>\n

                                                                                                    International Conference Papers<\/h4>\n
                                                                                                      \n
                                                                                                    1. Chao Yu Jiang; Chon In Wong; Chi Hou Chio; Kam Weng Tam; Wai Wa Choi; Cheng Teng; Pui Yi Lau, \u201cA wireless motion capture system for shoulder rehabilitation based on RFID passive tag antenna array,\u201d in Proc. 2021 IEEE International Conference on RFID Technology and Applications (RFID-TA 2021)<\/li>\n<\/ol>\n
                                                                                                        \n
                                                                                                      1. Kin-Chong Loi*<\/sup>, Pedro Cheong and Wai-Wa Choi, \u201cRadar based object recognition with convolutional neural network,\u201d in 2019 Asia-Pacific Microwave Conference (APMC2019)<\/em>, pp. 87-89, Singapore, December 10-13, 2019.<\/li>\n<\/ol>\n
                                                                                                          \n
                                                                                                        1. Cheng Teng, Sut Kam Ho, Kam-Weng Tam and Wai Wa Choi, \u201cA microwave sensor for elemental solution measurements of wireless fungus sensing system,\u201d in The 7th<\/sup> IEEE International Conference on E-Health and Bioengineering<\/em> (EHB 2019), Isai, Romania, November 21-23, 2019.<\/li>\n<\/ol>\n
                                                                                                            \n
                                                                                                          1. Cheng Teng, Wen-Hai Zhang, Kam-Weng Tam, Wai-Wa Choi and Sut-Kam Ho, \u201cWireless angular displacement sensing system based on electromagnetic coupling of uhf rfid tag array,\u201d in 2019 IEEE International Conference on RFID Technology & Application<\/em> (RFID-TA 2019), pp. 318-321, Pisa, Italy, September 25-27, 2019.<\/li>\n<\/ol>\n
                                                                                                              \n
                                                                                                            1. Teng Cheng, Sut-Kam Ho, Kam-Weng Tam and Wai-Wa Choi, \u201cSwitchable diplexer with high isolation using terminated T-shaped resonator for 5G communications,\u201d 2019 IEEE MTT-S International Wireless Symposium (IWS2019)<\/em>, pp. 1-3, 19-22 May 2019.<\/li>\n<\/ol>\n
                                                                                                                \n
                                                                                                              1. Xuedao Wang, Wai-Wa Choi, Jianpeng Wang, Lei Zhu and Wen Wu, \u201cWideband out-of-phase filtering power divider with ultra-wide isolation band,\u201d 2019 IEEE MTT-S International Wireless Symposium (IWS2019)<\/em>, pp. 1-3, 19-22 May 2019.<\/li>\n<\/ol>\n
                                                                                                                  \n
                                                                                                                1. Teng Cheng, Sut-Kam Ho, Kam-Weng Tam, Wai-Wa Choi and Guang-Hua Yang, \u201cA novel cross-shaped bandpass filter with reconfigurable notch band,\u201d in Proc. 25th<\/sup> IEEE International Conference on Electronics, Circuits and Systems (ICECS2018), pp. 321-324, Bordeaux, France, December 9-12, 2018.<\/li>\n<\/ol>\n
                                                                                                                    \n
                                                                                                                  1. Meng-Ting Tu*<\/sup>, Wai-Wa Choi<\/strong> and Pedro Cheong, \u201cDefected ground structure of UWB chipless RFID tag for FMCW radar,\u201d in 2018 Asia-Pacific Microwave Conference (APMC2018)<\/em>, pp. 824-826, Kyoto, Japan, November 6-9, 2018.<\/li>\n<\/ol>\n
                                                                                                                      \n
                                                                                                                    1. Xuedao Wang, Wai Wa Choi, Jianpeng Wang and Wen Wu, \u201cWideband out-of-phase filtering power divider with high selectivity,\u201d in 2018 Asia-Pacific Microwave Conference (APMC2018)<\/em>, pp. 417-419, Kyoto, Japan, November 6-9, 2018.<\/li>\n<\/ol>\n
                                                                                                                        \n
                                                                                                                      1. Meng-Ting Tu*<\/sup>, Wai-Wa Choi<\/strong> and Pedro Cheong, \u201cDefected Ground Structure of UWB Chipless RFID Tag for FMCW Radar,\u201d in 2018 IEEE International Conference on RFID Technology & Application (RFID-TA 2018)<\/em>, September, 2018.<\/li>\n<\/ol>\n
                                                                                                                          \n
                                                                                                                        1. Teng Cheng, Li-Kang Wang, Pedro Cheong, Sut-Kam Ho, Wai-Wa Choi, Guang-Hua Yang and Kam-Weng Tam, \u201cDesign of UWB chipless RFID tag using microstrip and slot cross-shaped resonators,\u201d in 2018 International Flexible Electronics Technology Conference (IFETC 2018), <\/em>Otawa, Canda, August 2018.<\/li>\n<\/ol>\n
                                                                                                                            \n
                                                                                                                          1. Li Yang, Lei Zhu, Wai-Wa Choi and Kam-Weng Tam, \u201cNovel Microstrip-to-Microstrip Vertical Transition Designed with Slotline Stepped-Impedance Resonator,\u201d in 2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT2018)<\/em>, Chengdu, China, May 2018.<\/li>\n<\/ol>\n
                                                                                                                              \n
                                                                                                                            1. Huan Huan Zhang, Ping Yuan, Pei Yu Chen and Wai Wa Choi, \u201cSimulation of temperature increase of human head model exposed to cell phones,\u201d in 2018 International Applied Computational Electromagnetics Society Symposium – China<\/em> (ACES 2018), Beijing, China, 29 July \u2013 1 August 2019.<\/li>\n<\/ol>\n
                                                                                                                                \n
                                                                                                                              1. Li-Kang Wang, Kam-Weng Tam and Wai-Wa Choi<\/strong>, \u201cA UWB filter with tunable notch using microstrip\/slotline structure with T-slot stub,\u201d in 2016 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB2016)<\/em>, Nanjing, China, October 16-19, 2016.<\/li>\n<\/ol>\n
                                                                                                                                  \n
                                                                                                                                1. Meng-Yang Ni, Kam-Weng Tam and Wai-Wa Choi<\/strong>, \u201cA novel wideband bandpass filter using cross-shaped slotline structure,\u201d in 2016 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB2016)<\/em>, Nanjing, China, October 16-19, 2016.<\/li>\n<\/ol>\n
                                                                                                                                    \n
                                                                                                                                  1. Li Yang, Lei Zhu, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cWideband vertical microstrip-to-microstrip transition designed with cross-coupled microstrip\/slotline resonators,\u201d in 2015 Asia-Pacific Microwave Conference (APMC2015)<\/em>, vol. 2, Nanjing, China, December 6-9, 2015.<\/li>\n<\/ol>\n
                                                                                                                                      \n
                                                                                                                                    1. Jie Yang, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cA novel dual-band frequency tunable slot antenna with constant frequency ratio,\u201d in 2015 Asia-Pacific Microwave Conference (APMC2015)<\/em>, vol. 2, Nanjing, China, December 6-9, 2015.<\/li>\n<\/ol>\n
                                                                                                                                        \n
                                                                                                                                      1. Teng Cheng, Kam-Weng Tam and Wai-Wa Choi<\/strong>, \u201cDesign of wideband bandpass filter with reconfigurable bandwidth using cross-shaped resonator,\u201d in 2015 Asia-Pacific Microwave Conference (APMC2015)<\/em>, vol. 2, Nanjing, China, December 6-9, 2015.<\/li>\n<\/ol>\n
                                                                                                                                          \n
                                                                                                                                        1. Li Yang, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cCompact ultra-wideband balun filter and its quasi-Yagi antenna application,\u201d in The 20th<\/sup> International Symposium on Antennas and Propagation (ISAP2015)<\/em>, Hobart, Tasmania, Australia, November 9 \u2013 12, 2015.<\/li>\n<\/ol>\n
                                                                                                                                            \n
                                                                                                                                          1. Marcin Goralczyk, Teng Cheng, Kam-Weng Tam, Wai-Wa Choi<\/strong>, Wojciech Wojtasiak and Jozef Modelski, \u201cDesign of ultra-wideband bandpass filter with two reconfigurable notches using terminated cross-shaped resonator,\u201d in 2015 IEEE Region 10 Conference (TENCON2016)<\/em>, Macao, China, November 1-4, 2015.<\/li>\n<\/ol>\n
                                                                                                                                              \n
                                                                                                                                            1. Jie Yang and Wai-Wa Choi<\/strong>, \u201cFrequency-agile slot antenna using capacitive loaded parallel strips,\u201d in 2015 IEEE Region 10 Conference (TENCON2016)<\/em>, Macao, China, November 1-4, 2015.<\/li>\n<\/ol>\n
                                                                                                                                                \n
                                                                                                                                              1. Dawid Lukasz Kuchta, Teng Cheng, Kam-Weng Tam, Wai-Wa Choi<\/strong>, Wojciech Wojtasiak and Jozef Modelski, \u201cDesign of dual-band bandpass filters using cross-shaped resonator and spurline,\u201d in 2015 IEEE Region 10 Conference (TENCON2016)<\/em>, Macao, China, November 1-4, 2015.<\/li>\n<\/ol>\n
                                                                                                                                                  \n
                                                                                                                                                1. Jie Yang, Wai-Wa Choi and Kam-Weng Tam, \u201cDiscussion of conversion theory between mixed-mode S-parameters and T-parameters for differential circuit with and without common-mode suppression,\u201d in 2015 IEEE International Conference of Computational Electromagnetics (ICCEM2015)<\/em>, Hong Kong, China, February 2-5, 2015.<\/li>\n<\/ol>\n
                                                                                                                                                    \n
                                                                                                                                                  1. Ka-Heng Chan#<\/sup>, Chi-Seng Cheang#<\/sup> and Wai-Wa Choi<\/strong>, \u201cZigBee wireless sensor network for surface drainage monitoring and flood prediction,\u201d in The 19th<\/sup> International Symposium on Antennas and Propagation (ISAP2014)<\/em>, Kaohsiung, Taiwan, December 2 \u2013 5, 2014.<\/li>\n<\/ol>\n
                                                                                                                                                      \n
                                                                                                                                                    1. Wanchen Yang*<\/sup>, Wenquan Che, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cA low-profile circularly polarized dipole antenna using a novel polarization rotation artificial magnetic conductor,\u201d will appear in The 44th<\/sup> European Microwave Conference 2014 (EuMC2014)<\/em>, Fiera di Roma, Rome, Italy, October 2014.<\/li>\n<\/ol>\n
                                                                                                                                                        \n
                                                                                                                                                      1. Jin-Rong Mao*<\/sup>, Wenquan Che, Wai-Wa Choi<\/strong>, Kam-Weng Tam and Quan Xue, \u201cFully tunable filter design using tunable transformers and multiple mode resonators,\u201d in IEEE MTT-S Int. Wireless Symp. Dig.<\/em> (IWS2013)<\/em>, April 2013, pp. 1\u20133.<\/li>\n<\/ol>\n
                                                                                                                                                          \n
                                                                                                                                                        1. Yuzhe Zhang#<\/sup>, Wai-Lon Chio#<\/sup>, Wen-Yao Zhuang*<\/sup>, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cSize reduction of microstrip crossover using defected ground structure and its application in butler matrix,\u201d in 2013 IEEE International Workshop on Electromagnetics (iWEM2013)<\/em>, 1 \u2013 3 August 2013, vol. 1, pp. 100 \u2013 103, Hong Kong, China.<\/li>\n<\/ol>\n
                                                                                                                                                            \n
                                                                                                                                                          1. Suyang Shi*<\/sup>, Wai-Wa Choi<\/strong>, Kam-Weng Tam, Wenquan Che, and Quan Xue, \u201cDifferential UWB power-distribution network with equal power ratio and out-of-phase single-ended outputs,\u201d IEEE MTT-S Int. Microw. Symp. Dig.<\/em>, 2012, vol. 1.<\/li>\n<\/ol>\n
                                                                                                                                                              \n
                                                                                                                                                            1. Li Yang*<\/sup>, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cDifferential microstrip bandpass filter with dual-band responses using parallel-coupled line structure,\u201d in Proc. 2012 Asia Pacific Microwave Conference (APMC 2012)<\/em>, vol. 1 pp. 28-30, Kaohsiung, Taiwan, December 4-7, 2012.<\/li>\n<\/ol>\n
                                                                                                                                                                \n
                                                                                                                                                              1. Li Yang, CH Ng, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cPlanar miniature dual-band RFID\/WlFi antenna for postal application,\u201d in Proc. The 17th<\/sup> Symp. Antenna and Propagation (ISAP2012)<\/em>, pp. 1252-1255, 29 October \u2013 2 November 2012, Nagoya, Japan.<\/li>\n<\/ol>\n
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                                                                                                                                                                1. Chon-Chio Leong, Kai-Fa Chang, Wai-Wa Choi and Kam-Weng Tam, \u201cTunable defected ground structure and its applications to simultaneous reconfigurable communication and partial discharge detection,\u201d in The 2012 IEEE International Conference on Antenna and Propagation (APCAP2012)<\/em>, pp. 159-160, 27-29 October August 2012, Singapore.<\/li>\n<\/ol>\n
                                                                                                                                                                    \n
                                                                                                                                                                  1. Wen-Yao Zhuang*<\/sup>, Pedro Cheong, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cNovel filter-antenna using slot antenna and centrally loaded coupled line structure,\u201d in Proc. The 16th<\/sup> Symp. Antenna and Propagation (ISAP2011)<\/em>, 25 \u2013 28 October 2011, Jeju, Korea.<\/li>\n<\/ol>\n
                                                                                                                                                                      \n
                                                                                                                                                                    1. Chon Chio Leong*<\/sup>, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cA tunable dual-band DGS stub tapped branch-line coupler,\u201d in Proc. 2010 Asia-Pacific Microwave Conference (APMC2010)<\/em>, December 2010, pp. 1252-1255. Yokohama, Japan.<\/li>\n<\/ol>\n
                                                                                                                                                                        \n
                                                                                                                                                                      1. Li Yang*<\/sup>, Pedro Cheong, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cA three-port integrated dual band filter-antenna module,\u201d in Proc. The 15th<\/sup> Symp. Antenna and Propagation (ISAP2010)<\/em>, November 2010, pp. 1029-1032, Macao SAR, China.<\/li>\n<\/ol>\n
                                                                                                                                                                          \n
                                                                                                                                                                        1. Wen-Yao Zhuang*<\/sup>, Pedro Cheong, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cAn integrated open-loop resonator bandpass filter-slot antenna with stopband improvement,\u201d in Proc. The 15th<\/sup> Symp. Antenna and Propagation<\/em> (ISAP2010)<\/em>, November 2010, pp. 1033-1036, Macao SAR, China.<\/li>\n<\/ol>\n
                                                                                                                                                                            \n
                                                                                                                                                                          1. Bin-Kai Ou, Daniel Piscarreta, Pedro Cheong, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cOpen-loop stub-loaded dual-band resonator for solution sensing,\u201d in Proc. The 15th<\/sup> Symp. Antenna and Propagation<\/em> (ISAP2010)<\/em>, November 2010, pp. 836-839, Macao SAR, China.<\/li>\n<\/ol>\n
                                                                                                                                                                              \n
                                                                                                                                                                            1. Pedro Cheong, Sam-Ngai Lam#<\/sup>, Yao-Quan Qui#<\/sup>, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cA tunable antenna-filter module for simultaneous UHF RFID-based power facility monitoring and partial discharge measurement,\u201d in Proc. Conf. Applications of Electromagnetism and Student Innovation Competition Awards<\/em>, August. 2010, pp. 182-186, Taipei, Taiwan.<\/li>\n<\/ol>\n
                                                                                                                                                                                \n
                                                                                                                                                                              1. K. Sun, Ting-Shan Lv, Kam-Weng Tam and Wai-Wa Choi<\/strong>, \u201cA miniaturized dual-mode bandpass filter with spurious response suppression and its balun-bandpass extension,\u201d in Proc. Cross Strait Tri-Regional Radio Science and Wireless Technology Conference (CSTRWC2009)<\/em>, August 2009, pp. 93. Tianjin, China.<\/li>\n<\/ol>\n
                                                                                                                                                                                  \n
                                                                                                                                                                                1. Chon Chio Leong*<\/sup>, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cA tunable monopole antenna using double U-shaped defected ground structure with islands,\u201d in The 14th<\/sup> Int. Symp. Antenna and Propagation (ISAP2009)<\/em>, Bangkok, Thailand, October 2009, pp. 783-786.<\/li>\n<\/ol>\n
                                                                                                                                                                                    \n
                                                                                                                                                                                  1. Chon Chio Leong*<\/sup>, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cTunable bandstop element using double U-shaped defected ground structure with islands,\u201d in Cross Strait Tri-Regional Radio Science and Wireless Technology Conference 2009 (CSTRWC 2009),<\/em> Tianjin, China, 23 \u2013 25 Aug. 2009.<\/li>\n<\/ol>\n
                                                                                                                                                                                      \n
                                                                                                                                                                                    1. Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cA novel compact microstrip dual-band bandpass filter based on transversal filter structure and centrally loaded resonator with independent control of passbands,\u201d in 2008 Asia-Pacific Microwave Conference (APMC2008)<\/em>, Hong Kong, China, December 2008, pp. 783-786.<\/li>\n<\/ol>\n
                                                                                                                                                                                        \n
                                                                                                                                                                                      1. Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cA microstrip SIR dual-mode bandpass filter with simultaneous size reduction and spurious responses suppression,\u201d in Proc. IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF and Microwave Passive Components<\/em>, Chengdu, China. December 2008, pp. 116-119.<\/li>\n<\/ol>\n
                                                                                                                                                                                          \n
                                                                                                                                                                                        1. M. Ho, H. K. Pang, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cDesign of compact microstrip resonator filter with projective DGS,\u201d in Proc. Cross Strait Tri-Regional Radio Science and Wireless Technology Conference (CSTRWC2006)<\/em>, Macao, China, August 2006, pp 120-122.<\/li>\n<\/ol>\n
                                                                                                                                                                                            \n
                                                                                                                                                                                          1. Wai-Wa Choi<\/strong>, Kam-Weng Tam and R. P. Martins, \u201cA compact microstrip transversal bandpass filter using grounded l\/4 resonator with capacitive stub,\u201d in Microwave and Millimeter-wave Symposium of China<\/em>, Shenzhen, China, February 2006, pp. 582-585.<\/li>\n<\/ol>\n
                                                                                                                                                                                              \n
                                                                                                                                                                                            1. Wai-Wa Choi<\/strong>, Kam-Weng Tam and R. P. Martins, \u201cA novel microstrip transversal bandpass filter with simultaneous size reduction and spurious responses suppression,\u201d in 2005 Asia-Pacific Microwave Conference (APMC2005)<\/em>, Suzhou, China, 4 \u2013 7 December 2005 pp. 508-511.<\/li>\n<\/ol>\n
                                                                                                                                                                                                \n
                                                                                                                                                                                              1. Wai-Wa Choi<\/strong>, Kam-Weng Tam and R. P. Martins, \u201cImprovement of gain compression in microwave lumped and transversal bandpass filters,\u201d in IEEE MTT-S Int. Microwave Symp. Dig.<\/em>, Jun. 2005, Long Beach, USA, pp. 2171-2174.<\/li>\n<\/ol>\n
                                                                                                                                                                                                  \n
                                                                                                                                                                                                1. I. Hong, S. W. Fok, Wai-Wa Choi<\/strong>, Kam-Weng Tam and R. P. Martins, \u201cA novel wiggly-line hairpin filter with 2nd<\/sup> spurious passband suppression,\u201d in Proc. The 34th<\/sup> European Microwave Conference<\/em> (EuMC2004)<\/em>, Amsterdam, Netherlands, October, 2004, pp. 1125-1128.<\/li>\n<\/ol>\n
                                                                                                                                                                                                    \n
                                                                                                                                                                                                  1. Wai-Wa Choi<\/strong>, Kam-Weng Tam and R. P. Martins, \u201cMicrowave lumped and transversal bandpass filter using unequal source degeneration inductors for noise and selectivity improvement,\u201d in Mediterranean Microwave Symposium(MMS2004)<\/em>, Marseille, France, June 2004, Session 2B.<\/li>\n<\/ol>\n
                                                                                                                                                                                                      \n
                                                                                                                                                                                                    1. M. Ho, H. K. Pang, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cNovel T-DGS l\/4 dual band impedance transformer,\u201d in Proc. Mediterranean Microwave Symposium(MMS2004)<\/em>, Marseille, France, Jun. 2004, Session 3C.<\/li>\n<\/ol>\n
                                                                                                                                                                                                        \n
                                                                                                                                                                                                      1. V. Chiang, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cSource degeneration inductor based noise suppression scheme for microwave lumped and transversal bandpass filter,\u201d in Proc. 2003 Asia-Pacific Microwave Conference(APMC2003)<\/em>, Seoul, Korea, Nov. 2003, pp.1961-1964.<\/li>\n<\/ol>\n
                                                                                                                                                                                                          \n
                                                                                                                                                                                                        1. P. Chiang#<\/sup>, K. P. Lei#<\/sup>, Wai-Wa Choi<\/strong>, S. W. Ting, S. W. Fok4<\/sup>, S. I. Hong4<\/sup> and Kam-Weng Tam, \u201cReliability analysis of a homodyne wireless LAN receiver subject to the impedance mismatch,\u201d in Proc. International IEEE Conference on the Business of Electronic Product Reliability and Liability<\/em>, Shenzhen, China, Jun. 2003, pp. 334-337.<\/li>\n<\/ol>\n
                                                                                                                                                                                                            \n
                                                                                                                                                                                                          1. P. Lei#<\/sup>, C. P. Chiang#<\/sup>, Wai-Wa Choi<\/strong> and Kam-Weng Tam, “Novel coupled-line microstrip duplexer with high frequency isolation and 2nd<\/sup> spurious passband suppression,” in Proc. 2002 Asia-Pacific Microwave Conference(APMC2002)<\/em>, Kyoto Japan, Nov. 2002, pp. 501-503.<\/li>\n<\/ol>\n
                                                                                                                                                                                                              \n
                                                                                                                                                                                                            1. P. Chiang#<\/sup>, K. P. Lei#<\/sup>, Wai-Wa Choi<\/strong> and Kam-Weng Tam, \u201cMismatch effect on noise figure for WLAN receiver,\u201d in Proc. The 45th<\/sup> Midwest Symposium on Circuits and System<\/em>, Tulsa, Oklahoma, USA, 4-7 Aug. 2002, pp. 587-590.<\/li>\n<\/ol>\n
                                                                                                                                                                                                                \n
                                                                                                                                                                                                              1. F. Chang, Kam-Weng Tam, Wai-Wa Choi<\/strong> and R. P. Martins, \u201cNovel quasi-elliptic microstrip filter configuration using hexagonal open-loop resonators,\u201d in Proc. 2002 IEEE International Symposium on Circuits and Systems<\/em>, Phoenix, Arizona, USA, 26 \u2013 29 May 2002, pp. 863-866.<\/li>\n<\/ol>\n
                                                                                                                                                                                                                  \n
                                                                                                                                                                                                                1. V. Chiang, Kam-Weng Tam, Wai-Wa Choi<\/strong> and R. P. Martins, \u201cNoise performance of CMOS transversal bandpass filters,\u201d in Proc. 2002 IEEE International Symposium on Circuits and Systems<\/em>, Phoenix, Arizona, USA, 26 \u2013 29 May 2002, pp. 871-874.<\/li>\n<\/ol>\n
                                                                                                                                                                                                                    \n
                                                                                                                                                                                                                  1. W. Sin#<\/sup>, K. C. Lai#<\/sup>, K. V. Chiang, Wai-Wa Choi<\/strong>, Kam-Weng Tam and R. P. Martins, \u201cAn analytical linearization method for CMOS MMIC power amplifier using multiple gated transistors,\u201d in Proc. The 4th<\/sup> International Conference on ASIC<\/em>, Shanghai, China, 23 \u2013 25 Oct. 2001, pp. 670-672.<\/li>\n<\/ol>\n
                                                                                                                                                                                                                      \n
                                                                                                                                                                                                                    1. W. Sin#<\/sup>, K. C. Lai#<\/sup>, K. V. Chiang, Wai-Wa Choi<\/strong> Kam-Weng Tam and R. P. Martins, \u201cA new IMD3 reduction approach based on composite effect of gm<\/sub>” and gds<\/sub>“,\u201d in Proc. IEEE CAS Workshop on Wireless Communications and Networking<\/em>, 9 \u2013 10 Aug. 2001, South Bend, Indiana, pp. 357-359.<\/li>\n<\/ol>\n
                                                                                                                                                                                                                        \n
                                                                                                                                                                                                                      1. H. Chiang, K. V. Chiang, K. F. Lam, Wai-Wa Choi<\/strong>, Kam-Weng Tam and R. P. Martins, \u201cModular approach for high Q microwave CMOS active inductor design,\u201d in Proc. The IEEE Int. Conf. on Electronics, Circuits and Systems (ICECS2000)<\/em>, 17 \u2013 20 Dec 2000, Jounieh , Lebanon Dec. 2000, pp. 41-44.<\/li>\n<\/ol>\n
                                                                                                                                                                                                                          \n
                                                                                                                                                                                                                        1. H. Chiang, K. V. Chiang, K. F. Lam, Wai-Wa Choi<\/strong>, Kam-Weng Tam and R. P. Martins, \u201cComparative study of microwave CMOS differential active inductor,\u201d in Proc. The First Portugal-China Workshop on Solid-State Circuits<\/em>, Shanghai, China, Oct. 2000, pp. 96-98.<\/li>\n<\/ol>\n
                                                                                                                                                                                                                            \n
                                                                                                                                                                                                                          1. M. Lou, C. K. Ip, K. M. Ho, Wai-Wa Choi<\/strong>, Kam-Weng Tam and P. Vitor, \u201cVessel monitoring system using GPS\/GSM\/GIS for small city,\u201d in Proc. The 6th<\/sup> Asia-Pacific Conference on Communications (APCC2000)<\/em>, Seoul, Korea, 30 Oct. \u2013 2 Nov. 2000, pp. 470-474.<\/li>\n<\/ol>\n
                                                                                                                                                                                                                              \n
                                                                                                                                                                                                                            1. Wai-Wa Choi<\/strong>, Kam-Weng Tam, P. Vitor and R. P. Martins, \u201cActive feedback amplifier approach for microwave active filter,\u201d in IEEE International Conference on Electronics, Circuits and System (ICECS1999)<\/em>, Pafos, Cyprus, 5 \u2013 8 Sep. 1999, pp. 497-500.<\/li>\n<\/ol>\n
                                                                                                                                                                                                                                \n
                                                                                                                                                                                                                              1. Wai-Wa Choi<\/strong>, Z. S. Guo \u201cCompression scheme apply on internet facsimile gateway,\u201d in of The 1998 International Technical Conference on Circuits\/Systems, Computers and Communications (ITC-CSCC1998)<\/em>, Sokcho, Korea, Jul. 1998, vol. I, pp. 315 – 318.<\/li>\n<\/ol>\n

                                                                                                                                                                                                                                BSc Final Year Project Supervisions<\/h4>\n

                                                                                                                                                                                                                                2021    CHAN Tak Chon, FONG Chu Po and IO Hong Wai, <\/strong>Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Indoor Navigation System for Visually Impaired Using UHF RFID<\/em><\/p>\n

                                                                                                                                                                                                                                2021    CHAN Ka Seng and CHAN Io Meng, <\/strong>Co-Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: A Handheld System for Base Station Radiation Level Evaluation<\/em><\/p>\n

                                                                                                                                                                                                                                2021    Jack LIANG Rong and CHEING Chon Hong, <\/strong>Co-Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: RF Application in Six-Port Network and Rotating Angle Sensing Platform<\/em><\/p>\n

                                                                                                                                                                                                                                2020    KONG Man Long, IEONG Io Neng<\/strong> and HO Chon Hei<\/strong>, Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Indoor Positioning for RFID using Machine Learning<\/em><\/p>\n

                                                                                                                                                                                                                                2019    WU Tong <\/strong>and LI Zhiquan<\/strong>, Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Signal Recognition for Radar Sensing Application with Deep Learning<\/em><\/p>\n

                                                                                                                                                                                                                                2018    TU Mengru,<\/strong> Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Wireless Signal Recognition using Machine Learning<\/em><\/p>\n

                                                                                                                                                                                                                                2018    ZHONG Zhaoting, <\/strong>Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Compact Receiver for EM Field Measurement<\/em><\/p>\n

                                                                                                                                                                                                                                2018    ZHOU Yiliang,<\/strong> Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Radiation Safety Estimation based on Electromagnetic Simulation<\/em><\/p>\n

                                                                                                                                                                                                                                2017    CHIO Wai Hou <\/strong>and CHAN Cheok Long,<\/strong> Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Wireless Data Acquisition based on Sensor Network<\/em><\/p>\n

                                                                                                                                                                                                                                2017    LOI Kin Chong <\/strong>and PUN Chi Hin,<\/strong> Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: RFID based Intelligent Access Control System (FST Dean List Recipients)<\/em><\/p>\n

                                                                                                                                                                                                                                2016    CHOI Pak Lon <\/strong>and HO Kuok Lon,<\/strong> Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Integrated Positioning System based on GPS and Short Range Radio Technology<\/em><\/p>\n

                                                                                                                                                                                                                                2015    LOK Kin Ip, <\/strong>Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Zigbee and Bluetooth Low Energy for Indoor Positioning<\/em><\/p>\n

                                                                                                                                                                                                                                2014    CHAN Ka Heng<\/strong> and CHEANG Chi Seng,<\/strong> Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Platform for Wireless Sensor Network (FST Dean List Recipients)<\/em><\/p>\n

                                                                                                                                                                                                                                2014    XU Ziqu,<\/strong> Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: A Fundamental FMCW Radar<\/em><\/p>\n

                                                                                                                                                                                                                                2013    CHIO Wai Lon <\/strong>and ZHANG Yuzhe,<\/strong> Principal-Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Partial Discharge Signal Detection and Analyze (FST Dean List Recipients)<\/em><\/p>\n

                                                                                                                                                                                                                                2013    GUO Zengbin,<\/strong> Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: A Compact UHF RFID Reader Design and Its Mobile Platform Applications<\/em><\/p>\n

                                                                                                                                                                                                                                2012    LO Wang Fu <\/strong>and HO Kam Un,<\/strong> Co-Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: A Non-Destructive Detection of Partial Discharge on Power Cable<\/em><\/p>\n

                                                                                                                                                                                                                                2012    CHONG Seak <\/strong>and SOU Iek Iam,<\/strong> Co-Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Wireless Partial Discharge Monitoring System for High Voltage Facilities<\/em><\/p>\n

                                                                                                                                                                                                                                2010    QUI Yao Quan <\/strong>and LAM Sam Ngai,<\/strong> Principal Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: RFID Based Multi-sensing Platform for Partial Discharge Detection<\/em><\/p>\n

                                                                                                                                                                                                                                2003    FOK Si Weng <\/strong>and HONG Sio Ian,<\/strong> Co-Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Intelligent Remote Metering System<\/em><\/p>\n

                                                                                                                                                                                                                                2002    CHIANG Chun Pong <\/strong>and LEI Ka Pou,<\/strong> Co-Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Wireless Multimedia Field Management System<\/em><\/p>\n

                                                                                                                                                                                                                                2001    SIN Sai Weng <\/strong>and LAI Keng Chong,<\/strong> Co-Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: Linearization Technique of CMOS MMIC Power Amplifier<\/em><\/p>\n

                                                                                                                                                                                                                                2000    LEUNG Wai Chong <\/strong>and KUAN Man Chao,<\/strong> Co-Supervisor<\/em><\/p>\n

                                                                                                                                                                                                                                                Thesis Title: New Prototype of the Detecting Module for Improving the P.O. Box Automation System<\/em><\/p>\n

                                                                                                                                                                                                                                \n

                                                                                                                                                                                                                                Applied Research Achievements and Creative Works<\/h3>\n

                                                                                                                                                                                                                                <\/a><\/p>\n

                                                                                                                                                                                                                                List of Governmental Consultancy Projects<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
                                                                                                                                                                                                                                Period<\/td>\n <\/td>\nProject<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2020<\/td>\n <\/td>\nPrincipal Investigator<\/em>, Non-Ionizing Radiation Safety in Macao
                                                                                                                                                                                                                                Funded by Macao Post and Telecommunications Bureau of Macao Government<\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2017<\/td>\n <\/td>\nPrincipal Investigator, Rdiation Evaluation for Satellite TV Uplink Antenna for TDM-Teledifusao de Macau
                                                                                                                                                                                                                                <\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2016<\/td>\n <\/td>\nCo-Principal Investigator, Radiation Safety Evaluation for Outdoor Mobile Base Stations in Macao
                                                                                                                                                                                                                                Funded by Bureau of Telecommunications Regulation of Macao Government<\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2014  \u2013 2013<\/td>\n <\/td>\nCo-Principal Investigator<\/em>, Research on TV Services in Macao
                                                                                                                                                                                                                                Funded by Bureau of Telecommunications Regulation of Macao Government<\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                              2012<\/td>\n <\/td>\nCo-Principal Investigator,<\/em> Investigation Assistance to Bureau of Telecommunications Regulation (DSRT) for CTM\u2019s Network Interruption on 6 February 2012
                                                                                                                                                                                                                                Funded by Bureau of Telecommunications Regulation of Macao Government<\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2012  \u2013 2011<\/td>\n <\/td>\nPrincipal Investigator,<\/em> Study of Mobile Communications Service Billing in Macao
                                                                                                                                                                                                                                Funded by Bureau of Telecommunications Regulation of Macao Government <\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2010  \u2013 2009<\/td>\n <\/td>\nPrincipal Investigator,<\/em> RFID Automatic Circulation System for FDCT Library
                                                                                                                                                                                                                                Funded by Macao Science and Technology Development Fund<\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                              2009<\/td>\n <\/td>\nPrincipal Investigator,<\/em> Study of RFID Systems – Standards, Applications & Measurements in Macao
                                                                                                                                                                                                                                Funded by Bureau of Telecommunications Regulation of Macao Government<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Reports, Summaries and Presentations to Government and Public<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                                                                                                                                                                                                                                Year<\/td>\n <\/td>\nReport<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2020<\/td>\n <\/td>\nReport on Non-Ionizing Radiation Safety in Macao for Macao Post and Telecommunications Bureau, <\/em>2020.<\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2017<\/td>\n <\/td>\nReport on Radiation Evaluation for Satellite TV Uplink Antenna for TDM-Teledifus\u00e3o de Macau, <\/em>2018.<\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2016<\/td>\n <\/td>\nReport on Radiation Safety Evaluation for Outdoor Mobile Base Stations in Macao, <\/em>2016.<\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2014<\/td>\n <\/td>\nFinal Report of Research on TV Services in Macao<\/em>, 2014.<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2013<\/td>\n <\/td>\nMid-Term Report of Research on TV Services in Macao<\/em>, 2013.<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2012<\/td>\n <\/td>\nReport of Study of Mobile Communications Service Billing in Macao<\/em>, 2012.<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2012<\/td>\n <\/td>\nReport of \u201cInvestigation Assistance to Bureau of Telecommunications Regulation (DSRT) for CTM\u2019s Network Interruption on 6 February 2012\u201d<\/em>, 2012.<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2009<\/td>\n <\/td>\nStudy of RFID Systems \u2013 Standards, Regulations & Applications in Macao<\/em>, 2009.<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2009<\/td>\n <\/td>\nMeasurement Report of RFID Systems \u2013 Radiation Safety Assessment & Electromagnetic Interference Immunity Testing to Second & Third Generation Mobile Phones<\/em>, 2009.<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Year<\/td>\n <\/td>\nSummary to Public<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Oct. 2014<\/td>\n <\/td>\nResearch on TV Services in Macao \u2013 Executive Summary<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Jun. 2012<\/td>\n <\/td>\nSummary of \u201cInvestigation Report on Network Outage of CTM on 6 February 2012\u201d<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Year<\/td>\n <\/td>\nPresentation to Public<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                29 Oct. 2014<\/td>\n <\/td>\nPress Conference of \u201cFinal Report of Research on TV Services in Macao\u201d<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                24 Jan. 2014<\/td>\n <\/td>\nPress Conference of \u201cMid-Term Report of Research on TV Services in Macao\u201d<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                1 Jun. 2012<\/td>\n <\/td>\nPress Conference of \u201cInvestigation Report on Network Outage of CTM on 6 February 2012\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Invited Positions for Services on Informal Education<\/h4>\n\n\n\n\n\n
                                                                                                                                                                                                                                Sep. 2014<\/td>\n <\/td>\nInvited Lecturer of Training Course for 2013 Guangdong Wireless Study Summer Camp for Science and Technology Development Fund of Macao SAR Government (FDCT)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2013<\/td>\n <\/td>\nInvited Consultant of 2013 Guangdong Wireless Study Summer Camp for Science and Technology Development Fund of Macao SAR Government (FDCT)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2011<\/td>\n <\/td>\nInvited Consultant of 2011 Nanjing Wireless Study Summer Camp for Science and Technology Development Fund of Macao SAR Government (FDCT)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Organized Activities for Informal Education (Chair)<\/h4>\n\n\n\n\n
                                                                                                                                                                                                                                             2012<\/td>\n <\/td>\nWireless Technology Study Summer Camp 2011
                                                                                                                                                                                                                                Funded by Macao Science and Technology Development Fund <\/em>
                                                                                                                                                                                                                                https:\/\/www.fst.um.edu.mo\/activities\/summercamp\/2011\/eee2011.html<\/em><\/td>\n<\/tr>\n
                                                                                                                                                                                                                                             2011<\/td>\n <\/td>\nIEEE Macau MTT-S High School Wireless App Competition
                                                                                                                                                                                                                                Sponsored by IEEE MTT-S<\/em>
                                                                                                                                                                                                                                http:\/\/news.umac.mo\/nrs\/faces\/pub\/viewItem.jspx?id=17686<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                                                                                                                                                                                                                                \n

                                                                                                                                                                                                                                <\/a><\/p>\n

                                                                                                                                                                                                                                Service to the University and the Wider Community<\/h3>\n

                                                                                                                                                                                                                                <\/a><\/p>\n

                                                                                                                                                                                                                                University and Faculty\/Unit Service<\/h4>\n

                                                                                                                                                                                                                                Management Positions<\/strong><\/p>\n\n\n\n\n
                                                                                                                                                                                                                                2011 \u2013 Present<\/td>\n <\/td>\nCourse Area Coordinator of General Education
                                                                                                                                                                                                                                (Physical Science & The World)
                                                                                                                                                                                                                                Support coordination of all courses in the area <\/em><\/td>\n                                                                                                                                                                                                                                		 <\/td>\nUniversity Service<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2010\u2013 Present<\/td>\n <\/td>\nFaculty-in-Charge of Analog Electronic Laboratory
                                                                                                                                                                                                                                Support numbers of fundamental courses of ECE, EME & CIS in FST<\/em><\/td>\n                                                                                                                                                                                                                                		 <\/td>\nDepartment Service<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Committee Works<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                                                                                                                                                                                                                                2011 \u2013 Present<\/td>\n <\/td>\nDepartmental Representative of Committee of FST Internship<\/td>\n <\/td>\nFaculty Service<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2009 \u2013   2011<\/td>\n <\/td>\nMember of General Education Course Development Team \u2013 Physical Science<\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2012 \u2013 Present<\/td>\n <\/td>\nCoordinator of FST ECE Student Placement Network<\/td>\n <\/td>\nDepartment Service<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nMember of FST ECE Lab Safety Officer & Department Safety<\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nMember of FST ECE Master Selection Committee<\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nMember of FST ECE Student Exchange Selection<\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nMember of FST ECE Student Advisory Program<\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nMember of FST ECE Departmental Annual Program Review Committee<\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2009 \u2013 Present<\/td>\n <\/td>\nMember of PhD Advisory Committee of Pedro Cheong<\/em><\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Jan. 2014<\/td>\n <\/td>\nMember of MSc Thesis Defense Examination Committee of
                                                                                                                                                                                                                                Daniel Piscarreta<\/em><\/td>\n                                                                                                                                                                                                                                		 <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Jul. 2013<\/td>\n <\/td>\nMember of MSc Thesis Defense Examination Committee of
                                                                                                                                                                                                                                Chio Chan Keong<\/em><\/td>\n                                                                                                                                                                                                                                		 <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2011<\/td>\n <\/td>\nMember of PhD Qualified Examination Committee of
                                                                                                                                                                                                                                Pedro Cheong<\/em><\/td>\n                                                                                                                                                                                                                                		 <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Oct. 2009<\/td>\n <\/td>\nChairperson of MSc Thesis Defense Examination Committee of
                                                                                                                                                                                                                                Lv Tingshan<\/em><\/td>\n                                                                                                                                                                                                                                		 <\/td>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Student Affair Services<\/strong><\/p>\n\n\n\n
                                                                                                                                                                                                                                2008 \u2013   2010<\/td>\n <\/td>\nMentor of University Mentorship Program for FST Students<\/td>\n <\/td>\nUniversity Service<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Seminars Organization<\/strong><\/p>\n\n\n\n\n
                                                                                                                                                                                                                                             2010<\/td>\n <\/td>\nChair of Wireless Communication Seminar Series<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2006 \u2013   2009<\/td>\n <\/td>\nCo-Chair of Wireless Communication Seminar Series<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                High School Outreach Actives Services<\/strong><\/p>\n\n\n\n\n
                                                                                                                                                                                                                                2012<\/td>\n <\/td>\nChair of Wireless Technology Study Summer Camp 2012<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2008 \u2013 Present<\/td>\n <\/td>\nCo-PI of Wireless Technology Study Summer Camp<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                External Service<\/h4>\n

                                                                                                                                                                                                                                Services to Professional Societies<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
                                                                                                                                                                                                                                2009 \u2013 Present<\/td>\n <\/td>\nMember of International Steering Committee of International Symposium on Antennas and Propagation (ISAP)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2014 \u2013   2013<\/td>\n <\/td>\nVice-chairman of IEEE Macau AP\/MTT Joint Chapter<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2013 \u2013   2012<\/td>\n <\/td>\nSecretary of IEEE Macau AP\/MTT Joint Chapter<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2012 \u2013   2010<\/td>\n <\/td>\nMember of Fiscal Council of IEEE Macau AP\/MTT Joint Chapter<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Jun. \u2013    Sep.
                                                                                                                                                                                                                                2011<\/td>\n                                                                                                                                                                                                                                		 <\/td>\nTrainer of The International Association for the Exchange of Students for Technical Experience (IAESTE)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2011<\/td>\n <\/td>\nChair of IEEE Macau MTT-S High School Wireless App Competition<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2010<\/td>\n <\/td>\nFounding Member of IEEE Macau AP\/MTT Joint Chapter<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Services to Governmental Agencies<\/strong><\/p>\n\n\n\n\n\n
                                                                                                                                                                                                                                Sep. 2014<\/td>\n <\/td>\nInvited Lecturer of Training Course for 2013 Guangdong Wireless Study Summer Camp for Science and Technology Development Fund of Macao SAR Government (FDCT)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2013<\/td>\n <\/td>\nInvited Consultant of 2013 Guangdong Wireless Study Summer Camp for Science and Technology Development Fund of Macao SAR Government (FDCT)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2011<\/td>\n <\/td>\nInvited Consultant of 2011 Nanjing Wireless Study Summer Camp for Science and Technology Development Fund of Macao SAR Government (FDCT)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Editorial Works of Journal and Conferences<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                                                                                                                                                                                                                                2014 \u2013   2015<\/td>\n <\/td>\nGuest Editor of Special Issue on \u201cRecent Advancement of Antennas and Channel Modeling in Mobile Communications\u201d of International Journal of Antennas and Propagation<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2010 \u2013   2011<\/td>\n <\/td>\nGuest Editor-in-Chief of Special Section on Recent Progress in Antennas and Propagation Conjunction with Main Topics of ISAP2010 of The IEICE Trans. on Communications<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of IEEE Transactions on Microwave Theory and Techniques<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of IEEE Microwave and Wireless Components Letters<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of IEEE Antennas and Wireless Propagation Letters<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of IEEE Transactions on Industrial Electronics<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of IEEE Transactions on Wireless Communication<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of International Journal of Antennas and Propagation<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of Microwave and Optical Technology Letters<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of Journal of Electromagnetic Waves and Applications<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of International Journal of Electronics and Communications<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\nReviewer of Journal of Circuits, Systems & Signal Processing<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2014<\/td>\n <\/td>\nTPC member of International Symposium on Antennas and Propagation (ISAP2014)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2012<\/td>\n <\/td>\nTPC member of Asia Pacific Microwave Conference 2012 (APMC 2012)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2011<\/td>\n <\/td>\nTPC member of Asia Pacific Microwave Conference 2011 (APMC 2011)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2011<\/td>\n <\/td>\nTPC member of International Symposium on Antennas and Propagation (ISAP2011)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2009<\/td>\n <\/td>\nTPC member of Asia Pacific Microwave Conference 2009 (APMC 2009)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2008<\/td>\n <\/td>\nTPC member of Asia Pacific Microwave Conference 2008 (APMC 2008)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2008<\/td>\n <\/td>\nTPC member of IEEE Asia Pacific Conference on Circuits and Systems
                                                                                                                                                                                                                                (APCCAS 2008)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Judges and Panel<\/strong><\/p>\n\n\n\n\n\n
                                                                                                                                                                                                                                Jul. 2012<\/td>\n <\/td>\nMember of Judges of IEEE Macau Project Competition 2012 (Macau Student Branch)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Oct. 2011<\/td>\n <\/td>\nChair of Judge Panel of The 12th IEEE HK AP\/MTT Postgraduate Conference 2011<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                Oct. 2008<\/td>\n <\/td>\nChair of MTT Session of The 9th IEEE HK\/Macau AP\/MTT Postgraduate Conference<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                                                                                                                                                                                                Conferences and Seminars Organization<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
                                                                                                                                                                                                                                2011<\/td>\n <\/td>\nMember of Organization Committee of International Conference on System Science and Engineering 2011 (ICSSE2011)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2008 \u2013   2011<\/td>\n <\/td>\nGeneral Secretary of International Symposium on Antennas and Propagation 2010 (ISAP2010)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2010<\/td>\n <\/td>\nTPC Co-Chair of International Symposium on Antennas and Propagation 2010<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2009<\/td>\n <\/td>\nMember of Organizing Committee of 2009 IEICE Technical Meeting on Antennas and Propagation<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                 <\/td>\n <\/td>\n <\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2008<\/td>\n <\/td>\nCo-Chairs of Organizing Committee of Asia-Pacific Microwave Conference 2008 (APMC2008) Macao Session<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2008<\/td>\n <\/td>\nMember of Organizing Committee of The 9th IEEE (HK\/Macau) AP\/MTT Postgraduate Conference<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2006<\/td>\n <\/td>\nMember of Organizing Committee of The 2006 Cross-Strait Tri-Regional Radio Science and Wireless Technology Conference (CSTRWC2006)<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2004<\/td>\n <\/td>\nMember of Organizing Committee of The 5th IEEE (HK\/Macau) AP\/MTT Postgraduate Conference<\/td>\n<\/tr>\n
                                                                                                                                                                                                                                2004<\/td>\n <\/td>\nChair of Publication Committee of 2004 IEEJ International Analog VLSI Workshop<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                                                                                                                                                                                                                                \n

                                                                                                                                                                                                                                <\/a><\/p>\n

                                                                                                                                                                                                                                Contact Details<\/h3>\n

                                                                                                                                                                                                                                <\/a><\/p>\n

                                                                                                                                                                                                                                Faculty of Science and Technology
                                                                                                                                                                                                                                University of Macau, E11
                                                                                                                                                                                                                                Avenida da Universidade, Taipa,
                                                                                                                                                                                                                                Macau, China<\/p>\n

                                                                                                                                                                                                                                Room: E11-3036
                                                                                                                                                                                                                                Telephone: (853) 8822-8468
                                                                                                                                                                                                                                Fax: (853) 8822-2426
                                                                                                                                                                                                                                Email: welsyc<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

                                                                                                                                                                                                                                Wai Wa CHOI, Welsy\u8521\u5049\u83ef Associate Professor GE Course Area Coordinator (Physical Science and the World) in CTLE Academic Qualifications 2008 PhD Degree of Electrical and Electronics Engineering in University of Macau, Macao, China Classification: Very Good with Honours and Distinction Title of Thesis: Microwave Miniaturization Techniques and Theirs Applications to Quasi-Elliptic Bandpass Filters 1997 MSc … <\/p>\n

                                                                                                                                                                                                                                Continue reading “Wai-Wa Choi”<\/span><\/a><\/p>\n","protected":false},"author":36,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_canvas","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-24933","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/www.fst.um.edu.mo\/personal\/wp-json\/wp\/v2\/pages\/24933","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fst.um.edu.mo\/personal\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fst.um.edu.mo\/personal\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fst.um.edu.mo\/personal\/wp-json\/wp\/v2\/users\/36"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fst.um.edu.mo\/personal\/wp-json\/wp\/v2\/comments?post=24933"}],"version-history":[{"count":11,"href":"https:\/\/www.fst.um.edu.mo\/personal\/wp-json\/wp\/v2\/pages\/24933\/revisions"}],"predecessor-version":[{"id":24994,"href":"https:\/\/www.fst.um.edu.mo\/personal\/wp-json\/wp\/v2\/pages\/24933\/revisions\/24994"}],"wp:attachment":[{"href":"https:\/\/www.fst.um.edu.mo\/personal\/wp-json\/wp\/v2\/media?parent=24933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}