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A webpage of Dr. Pedro CHEONG

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Pedro CHEONG
張子康

Pedro Cheong (M’15) received the Ph.D. degree in Electrical and Electronics Engineering from the University of Macau, Macao, in 2014.

In 2005, he joined the Wireless Communication Laboratory at the University of Macau as a research fellow, and he was a Laboratory Affairs Officer in 2008 and a lecturer (UM Macao Fellow) during 2018 and 2021. In 2018 to 2020, he was a visiting research fellow at the Poly-Grames Research Center, Ecole Polytechnique (University of Montreal), Canada. Currently, Dr. Cheong is an Assistant Professor with the Department of Electrical and Computer Engineering. His research interests include RF/MW passive filter designs, circuit modeling, antenna arrays, RFID systems, multiband communication, and advanced wireless sensing systems. 

Dr. Cheong serves as the member of the technical committee TC-4 of IEEE Microwave Theory and Techniques Society (MTT-S), and the IEEE Macau AP/MTT Joint Chapter as the secretary since 2015. He was also a member of the organizing committee of the 2010 International Symposium on Antennas and Propagation. He has published over 40 peer-reviewed papers in top tier journal articles and international conferences. He received the Macao Science and Technology Award for Postgraduates in 2012 and two best student paper awards in different international conferences. He is the reviewer of IEEE Transactions on Microwave Theory and Techniques, IEEE Microwave and Wireless Components Letters, IEEE Access, IET Microwaves, Antennas & Propagation, and Journal of Electromagnetic Waves and Applications.

 

 

 

 

From Microwave Components to Solutions

Research Topics that Are of Our Interests

A wide variety of researches exists in our research portfolio.

Component Designs

Multi-function integration; Size minimization; Reconfiguration

Multiband Systems

Harmonic communication; Concurrent dual-band multiport transceiver

Sensing Platforms

Microwave angular sensors; Dual-band microwave movement radar

IoT RFID Solutions

RFID for smart city; RFID for security with deep-learning; RFID optimization

I Will Help You Every Step of The Way

If you are interested in developing your professional career in the microwave field with us,
please don’t be hesitate to let us know your intention.
We can work out mutual benefit solutions to achieve your goals.

** We are recruiting Ph.D. students.

Scholarships (MOP 240,000 / year) or Assistantships (MOP 150,000 / year)
will be offered according to your academic qualifications.

The application deadline for the 1st batch is October 28, 2021. You can find detailed information in this link:
https://grs.um.edu.mo/index.php/prospective-students/doctoral-degrees-programmes/

** Please contact me in advance if you are going to apply, thank you!

 

We are experienced

Publications (Journal Articles)

  1. P. Cheong and K. Wu, “Full-range CSRR-based angular displacement sensing with multiport interferometric platform,” IEEE Trans. Microw. Theory Tech., early access.
  2. P. Cheong and K. Wu, “Compendious concurrent dual-band receiver based on multiport interferometric architecture,” IEEE Trans. Microw. Theory Tech., vol. 69, no. 7, 3388–3398, Jul. 2021.
  3. W.‐H. Zhang, K.‐W. Tam, W.‐J. Lu, P. Cheong, W.‐W.-W. Choi, and S.‐K. Ho, “Tilted bi‐sense circularly‐polarized antenna and its application for radio frequency identification system,” Int. J. RF & Microw. Computer‐Aided Engineering, vol. 30, no. 7, e22198, Jul. 2020.
  4. C. Teng, P. Cheong, S.-K. Ho, K.-W. Tam, and W.-W. Choi, “Design of wideband bandpass filter with simultaneous bandwidth and notch tuning based on dual cross-shaped resonator,” IEEE Access, vol. 8, pp. 27038–27046, 2020.
  5. H. Zhu, P. Cheong, K.-W. Tam, S.-K. Ho, and W.-W. Choi, “An angular displacement sensor based on microstrip wideband impedance transformer with quasi-Chebyshev frequency response,” IEEE Sensors J., vol. 20, no. 8, 4200–4206, Apr. 15, 2020.
  6. H. Zhu, P. Cheong, S.-K. Ho, K.-W. Tam, and W.-W. Choi, “Realization of extremely high and low impedance transforming ratios using cross-shaped impedance transformer,” IEEE Trans. Circuits and Syst. II: Express Briefs, vol. 67, no. 7, pp. 1189-1193, Jul. 2020.
  7. C.-H. Chio, C. Teng, K.-W. Tam, W.-W. Choi, P. Cheong, and S.-K. Ho, “Differential permittivity sensor using microstrip terminated cross-shaped resonator structure for material characterization,” IEEE Access, vol. 7, pp. 101960-101968, 2019.
  8. M.-T. Tu, P. Cheong, and W.-W. Choi, “Defected ground structure with half-wavelength spiral resonator of ultrawide band chipless RFID tag,” IEEE J. Radio Freq. Identification, vol. 3, no. 3, pp. 121–126, Sep. 2019.
  9. X.-K. Bi, C. Teng, P. Cheong, S.-K. Ho, and K.-W. Tam, “Wideband bandpass filters with reconfigurable bandwidth and fixed notch bands based on terminated cross-shaped resonator,” IET Microw., Antennas & Propag., vol. 13, no. 6, pp. 796–803, May 2019.
  10. X.-K. Bi, C. Teng, P. Cheong, S.-K. Ho, and K.-W. Tam, “Design of dual-band bandpass filters with fixed and reconfigurable bandwidths based on terminated cross-shaped resonators,” IEEE Trans. Circuits Syst. II, Exp. Briefs, vol. 66, no. 3, pp. 317–321, Mar. 2019.
  11. W.-H. Zhang, P. Cheong, W.-J. Lu, and K.-W. Tam, “Planar endfire circularly polarized antenna for low profile handheld RFID reader,” IEEE J. Radio Freq. Identification, vol. 2, no. 1, pp. 15–22, Mar. 2018.
  12. P. Cheong, K. Wu, and K.-W. Tam, “Nonlinear communication system with harmonic diversity,” IEEE Trans. Microw. Theory Tech., vol. 63, no. 1, pp. 4130–4149, Dec 2015.
  13. P. Cheong, K.-F. Chang, W.-W. Choi, and K.-W. Tam, “A highly integrated antenna-triplexer with simultaneous three-port isolations based on multi-mode excitation,” IEEE Trans. Antennas Propag., vol. 63, no. 1, pp. 363–368, Jan. 2014.
  14. W.-W. Choi, K.-F. Chang, C.-C. Leong, P. Cheong, and K.-W. Tam, “Design and analysis of defected ground structure transformer for dual-band antenna,” J. Eng., vol. 2014, no. 11, pp. 612–617, 2014.
  15. P. Cheong, K. Wu, W.-W. Choi, and K.-W. Tam, “Yagi-Uda antenna for multiband radar applications,” IEEE Antennas Wireless Propag. Lett., vol. 13, pp. 1065–1068, 2014.
  16. L. Yang, P. Cheong, L. Han, W.-W. Choi, K.-W. Tam, and K. Wu, “Miniaturized parallel coupled-line filter-antenna with spurious response suppression,” IEEE Antennas Wireless Propag. Lett., vol. 10, pp. 726–729, 2011.
  17. P. Cheong, K.-F. Chang, Y.-H. Lai, S.-K. Ho, I.-K. Sou, and K.-W. Tam, “A ZigBee-based wireless sensor network node for ultraviolet detection of flame,” IEEE Trans. Ind. Electron., vol. 58, no. 11, pp. 5271–5277, Nov. 2011.
  18. P. Cheong, T.-S. Lv, W.-W. Choi, and K.-W. Tam, “A compact microstrip square-loop dual-mode balun-bandpass filter with simultaneous spurious response suppression and differential performance improvement,” IEEE Microw. Wireless Compon. Lett., vol. 21, no. 2, pp. 77–79, Feb. 2011.
  19. S.-W. Fok, P. Cheong, K.-W. Tam, and R. P. Martins, “A novel microstrip square-loop dual-mode bandpass filter with simultaneous size reduction and spurious response suppression,” IEEE Trans. Microw. Theory Tech., vol. 54, no. 5, pp. 2033–2041, May 2006.
  20. P. Cheong, S.-W. Fok, and K.-W. Tam, “Miniaturized parallel coupled-line bandpass filter with spurious response suppression,” IEEE Trans. Microw. Theory Tech., vol. 53, no. 5, pp. 1810–1816, May 2005.

Publications (International Conferences)

  1. K.-C. Loi, P. Cheong, and W.-W. Choi, “Radar based object recognition with convolutional neural network,” in Proc. Asia-Pacific Microw. Conf., Dec. 2019, pp. 87–89.
  2. C. Teng, P. Cheong, and K.-W. Tam, “Reconfigurable wideband bandpass filters based on dual cross-shaped resonator,” in IEEE MTT-S Int. Wireless Symp. Dig., May 2019, pp. 1–3.
  3. M.-T. Tu, W.-W. Choi, and P. Cheong, “Short range FMCW radar for velocity and range detection of slow moving target,” in Proc. Asia-Pacific Microw. Conf., Nov. 2018, pp. 824–826.
  4. M.-T. Tu, W.-W. Choi, and P. Cheong, “Defected ground structure of UWB chipless RFID tag for FMCW radar,” in IEEE Int. Conf. on RFID Tech. & Applicat., Sept. 2018, pp. 1–4.
  5. C. Teng, L.-K. Wang, P. Cheong, S.-K. Ho, W.-W. Choi, and K.-W. Tam, “Design of UWB chipless RFID tag using microstrip and slot cross-shaped resonators,” in Int. Flexible Electronics Techn. Conf. (IFETC), Aug. 2018, pp. 1–3.
  6. H.-X. Zhu, P. Cheong, and K.-W. Tam, “Analysis of isolation bandwidth of miniaturized Wilkinson power divider,” in Global Symp. Millimeter-Waves, May 2017, pp. 55–57.
  7. P. Cheong, K. Wu, D. Deslandes, and K.-W. Tam, “Performance analysis on wireless communication system with harmonic frequency channels concept,” in IEEE MTT-S Int. Wireless Symp. Dig., Beijing, Apr. 2013, pp. 1–4.
  8. L. Yang, P. Cheong, W.-W. Choi, and K.-W. Tam, “Differential microstrip bandpass filter with dual-band responses using parallel-coupled line structure”, in Proc. Asia-Pacific Microw. Conf., Dec. 2012, 28–30.
  9. W.-Y. Zhuang, P. Cheong, W.-W. Choi, and K.-W. Tam, “Novel filter-antenna using slot antenna and centrally loaded coupled line structure,” in Proc. Int. Symp. Antenna Propag., Oct. 2011.
  10. W.-Y. Zhuang, M. Costa, P. Cheong, and K.-W. Tam, “Flood monitoring of distribution substation in low-lying areas using wireless sensor network,” in Proc. Int. Conf. System Science and Engineering, Jun. 2011, pp. 601–604.
  11. L. Yang, P. Cheong, W.-W. Choi, and K.-W. Tam, “A three-port integrated dual band filter-antenna module,” in Proc. Int. Symp. Antenna Propag., Nov. 2010, pp. 1029–1032.
  12. W.-Y. Zhuang, P. Cheong, W.-W. Choi, and K.-W. Tam, “An integrated open-loop resonator bandpass filter-slot antenna with stopband improvement,” in Proc. Int. Symp. Antenna Propag., Nov. 2010, pp. 1033–1036.
  13. B.-K. Ou, D. Piscarreta, P. Cheong, W.-W. Choi, and K.-W. Tam, “Open-loop stub-loaded dual-band resonator for solution sensing,” in Proc. Int. Symp. Antenna Propag., Nov. 2010, pp. 836–839.
  14. P. Cheong, S.-N. Lam, Y.-Q. Qui, W.-W. Choi, and K.-W. Tam, “A tunable antenna-filter module for simultaneous UHF RFID-based power facility monitoring and partial discharge measurement,” in Proc. Int. Conf. Applications of Electromagnetism and Student Innovation Competition Awards, Taipei, Aug. 2010, pp. 182–186.
  15. P. Cheong, K.-I. Lai, and K.-W. Tam, “Compact Wilkinson power divider with simultaneous bandpass response and harmonic suppression,” in IEEE MTT-S Int. Microw. Symp. Dig., May 2010, pp. 1588–1591.
  16. T.-S. Lv, S.-W. Fok, P. Cheong, and K.-W. Tam, “Compact microstrip square-loop dual-mode bandpass filter design with wideband response,” in IEEE Asia Pacific Conf. on Circuits and Systems, 2008, pp. 93–96.
  17. S.-W. Fok, P. Cheong, and K.-W. Tam, “Microstrip dual-mode bandpass filter design with simultaneous size reduction & spurious response suppression,” in IEEE MTT-S Int. Microwave Symp. Dig., Jun. 2005, pp. 2175–2178.
  18. S.-W. Fok, P. Cheong, and K.-W. Tam, “A novel microstrip bandpass filter design using asymmetric parallel coupled-line,” in IEEE Int. Symp. Circuits and Systems, May 2005, pp. 404–407.
  19. P. Cheong and K.-W. Tam, “Novel folded-end parallel-coupled-line microstrip filter with 2nd and 3rd harmonic response suppression,” in Mediterranean Microw. Symp., Jun. 2004, pp. 115.
  20. P. Cheong, K.-F. Chang, S.-W. Ting, and K.-W. Tam, “On the stability of LPC-based modelings,” in Int. Conf. Telecomm., Jun. 2002, pp. 245–248.
  21. K.-F. Chang, P. Cheong, S.-W. Ting, and K.-W. Tam, “Novel speech spectra all-pole modelling based upon selective even-samples linear prediction,” in IEEE Int. Conf. Electronics, Circuits and Systems, Dec. 2000, pp. 1022–1025.