Benjamin K. Ng received the B.A.Sc., M.A.Sc. and Ph.D. degrees in engineering science and electrical engineering from the University of Toronto.

From 2005 to 2009, he worked at Radiospire Networks Inc., Boston, U.S., where he held the position of senior communications engineer focusing on the UWB and millimeter wave technologies.  He joined Macao Polytechnic University, Macao, China, in 2010, where he is currently an Associate Professor in the Faculty of Applied Sciences.  His research interests are in wireless communications and signal processing with an emphasis on MIMO, NOMA and machine learning technologies.  

  • Current Employer/Organization
    Macao Polytechnic University - Faculty of Applied Sciences
  • Current Position
    Associate Professor

    Macao Polytechnic University

  • Subjects Taught

    Communication Technology for IoT, Mobile Computing and Wireless Networks, Software Engineering, Java Programming 

  • Education

    Ph.D. Electrical Engineering, University of Toronto

    M.A.Sc. Electrical Engineering, University of Toronto

    B.A.Sc. Engineering Science, University of Toronto

  • Research Interests

    Wireless communications,  air-interface/baseband technologies, channel coding, channel models, estimation/equalization, OFDM, SC-FDMA, MIMO, massive MIMO systems, spectrum sensing, cognitive radio, RF impairment analysis, machine-learning, meta-learning in communications.


    I'm currently recruiting Ph.D. students.  If you're interested, please send me your c.v. and publication record.  Funding support will be provided for qualified candidates.

  • Work Experience

    2017 ~ present:
    Associate Professor, Macao Polytechnic University, Macao

    2010 ~ 2016:
    Lecturer, Macao Polytechnic University, Macao

    2005 ~ 2009:
    Senior System Engineer, Radiospire Networks, Boston, U.S.

    2003 ~ 2004:
    Technical Member, World Wireless Initiative New Radio Project, European 4G mobile systems, Canada and Europe.

  • Additional Experience

    2020 ~ Present:
    Programme Coordinator, Master of Science in Big Data and IoT, Macao Polytechnic University, Macao.

    2011 ~ Present:
    Center Coordinator, Terrestrial Digital Television Research and Testing Center, Macao Polytechnic University, Macao.

  • Publications

    Patent

    B. Ng and E. Sousa, Spread Space-Spectrum Multiple Access, US Patent 20040240378.

  • Journal papers

    1. B. K. Ng and C. -T. Lam, "Characterization and Optimization of Coding Performance in Downlink NOMA with Finite-Alphabet Inputs and Finite Blocklength," accepted for publication in IEEE Transactions on Wireless Communications.
    2. F. Kara, H. Kaya, H. Yanikomeroglu, B. K. Ng and C. -T. Lam, "Bit-Interleaved Multiple Access: Improved Fairness, Reliability, and Latency for Massive IoT Networks," in IEEE Internet of Things Journal, 2023
    3. D. Yan, B. K. Ng, W. Ke and C. -T. Lam, "Deep Reinforcement Learning Based Resource Allocation for Network Slicing With Massive MIMO," in IEEE Access, vol. 11, pp. 75899-75911, 2023
    4. Y. Liang, C. -T. Lam and B. K. Ng, "Joint-Way Compression for LDPC Neural Decoding Algorithm With Tensor-Ring Decomposition," in IEEE Access, vol. 11, pp. 22871-22879, 2023
    5. Q. Wu, B. K. Ng, Y. Liang, C.-T Lam, Y. Ma. “Application of Tensor Decomposition to Reduce the Complexity of Neural Min-Sum Channel Decoding Algorithm,” Appl. Sci. 2023, 13, 2255
    6. K. Wang, Chan-Tong Lam, B. K. Ng, “On Hardware Aging for Practical RIS-assisted Communication System”, Electronics Letters, vol. 59, Jan. 2023.
    7. Benjamin K. Ng, and Chan-Tong Lam. "Single-Carrier Rotation-Interleaved Space-Time Code for Frequency-Selective Fading Channels" Applied Sciences 12, no. 24: 12803., 2022.
    8. Ke Wang, Chan-Tong Lam, and Benjamin K. Ng. "RIS-Assisted High-Speed Communications with Time-Varying Distance-Dependent Rician Channels" Applied Sciences 12, no. 22: 11857., 2022.
    9. Q Wu, B. K. Ng, C. T. Lam, “Energy-Efficient Cooperative Spectrum Sensing Using Machine Learning Algorithm,” Sensors, vol. 22, issue 2, 2022.
    10. Y. Liang, C. T. Lam and B. K. Ng, "A Low-Complexity Neural Normalized Min-Sum LDPC Decoding Algorithm using Tensor-Train Decomposition," IEEE Communications Letters, 2022,
    11. K. Wang, C. T. Lam and B. K. Ng, “Positioning information based high-speed communications with multiple RISs: Doppler mitigation and hardware impairments,” Applied Sciences, vol. 12, Issue 14, 2022.
    12. B. K. Ng and C. T. Lam, “A New Two-User Binary Polar Coded Multiple Access Scheme with Power and Rate Allocation,” IEEE Wireless Communications Letters, July 2021.
    13. C. T. Lam and B. K. Ng, “Fast spectrum sensing using spatial higher order statistics with large receive antenna array,” IEEE Communications Letters, vol. 23, pp. 1061-1064, June 2019.
    14. B. K. Ng and C. T. Lam, “Joint power and modulation optimization in two-user non-orthogonal multiple access channels: a minimum error probability approach”, IEEE Transactions on Vehicular Technology, vol. 67, pp. 10693-10703, Nov. 2018.
    15. B. K. Ng, K. L. E. Law and C. T. Lam, “Performance evaluation of multi-channel wireless backoff algorithm”, IEEE Communications Letters, vol. 19, pp. 2222-2225, Dec. 2015.
    16. B. K. Ng, C. T. Lam, D. Falconer, “Turbo frequency domain equalization for single-carrier broadband wireless systems”, IEEE Transactions on Wireless Communications, pp. 759-767, Feb., 2007
    17. B. K. Ng and E. S. Sousa, “On bandwidth-efficient multiuser-space-time signal design and detection”, IEEE Journal of Selected Areas In Communications (JSAC): special issue on multiuser detection techniques, pp. 320-329, Feb, 2002
    18. B. K. Ng and E. S. Sousa, “Performance enhancements of DS-CDMA system using overlapping-sectors with interference avoidance”, IEEE Transactions on Wireless Communications, pp. 175-185, Jan. 2003
    19. B. Ng and E. S. Sousa, “SSSMA for Multi-user MIMO Systems”, IEEE microwave magazine, June 2004, pp. 61-71.
    20. B. Ng and E. S. Sousa, “Performance enhancement of DS-CDMA system for wireless local loop”, Journal of Communication and Information Systems, Volume 14, 1999. (invited paper)

  • Conference Papers

    1. B. Ng, C. T. Lam, Eddie K. L. Law, “Blocklength minimization for NOMA systems with hybrid long and short packets,” IEEE Latin-American Conference on Communications, Santo Domingo, Dominican Republic, November. 2021.
    2. I. C. Wong, B. Ng, and C. T. Lam, “Construction of polar codes in OFDM system using genetic algorithm”, The 21st IEEE International Conference on Communication Technology (ICCT), October, 2021
    3. B. Ng and C. T. Lam, “A robust sensing scheme for large antenna array based on spatial higher-order statistics,” 13th International Conference on Signal Processing and Communication Systems, Surfer Paradise, Australia, Dec. 2019.
    4. B. Ng and C. T. Lam, “Fast spectrum sensing using a large number of receive antennas”, IEEE Fifth International workshop on emerging cognitive radio applications and algorithms (CORAL), June, 2017.
    5. B. Ng, T. Choi, C. T. Lam, “Performance of SC-FDMA-based multiuser massive MIMO system in the presence of phase noise,” IEEE 17th International Conference on Communication Technology, Chengdu, China, Oct. 2017.
    6. B. Ng and C. T. Lam, “On joint modulation design in two-user non-orthogonal multiple access channels”, International conference on wireless communications systems (ICWCS), Sep. 2016.
    7. B. Ng, “The performance of SC-FDMA systems with rotated constellation in the presence of phase noise and channel estimation error”, International conference on wireless communications & signal processing (WCSP), Oct. 2015.
    8. B. Ng and C. T. Lam, “Single-carrier time-interleaved space-time code for frequency-selective fading channels”, IEEE 8th sensor array and multichannel signal processing workshop (SAM), June 2014.
    9. B. Ng and C. T. Lam, “On maximizing the performance of SC-FDMA systems with rotated constellation”, 9th international conference on wireless communications and mobile computing (IWCMC), June 2013.
    10. B. Ng, K. L. E. Law and C. T. Lam, “Backoff algorithmic design for multi-radio multi-channel wireless networks”, IEEE International conference on signal processing, communication and computing (ICSPCC), Aug. 2012.
    11. B. Ng, D. Falconer, K. Kansanen, N. Veselinovic, “Frequency domain iterative methods for detection and estimation”, Proc. IST Summit, 2005.
    12. R. Dinis, D. Falconer, B. Ng, “Iterative frequency-domain equalizers for adjacent channel suppression”, Globecom 2005.
    13. B. Ng and David Falconer, “A novel iterative channel estimation and frequency domain equalization method for single-carrier wireless transmission”, WWRF (wireless world research forum) November, 2004.
    14. B. Ng and David Falconer, “A novel frequency domain equalization method for single-carrier wireless systems in doubly-selective fading channels”, Globecom 2004.
    15. B. Ng and E. S. Sousa, “Spread space-spectrum multiple access”, RAWCON 2003.  (Invited paper)
    16. B. Ng and E. S. Sousa, “Coded performance of spread space-spectrum multiple access for the MIMO forward link communications”, Globecom 2003.
    17. B. Ng and E. S. Sousa, “A novel spread space-spectrum multiple access for the forward link”, WCNC, March, 2002.
    18. B. Ng and E. S. Sousa, “Multi-carrier spread space-spectrum multiple access for the MIMO forward link transmission”, PIMRC, Sep., 2002.
    19. B. Ng and E. S. Sousa, “Multiuser signal design and detection using interference-resistant modulation”, Proc. IEEE ICC, June, 2001.
    20. B. Ng and E. S. Sousa, “Space-time spreading multilayered CDMA system”, Proc. IEEE Globecom, November 2000.
    21. B. Ng and E. S. Sousa, “Performance enhancements of DS-CDMA system using overlapping-sectors with interference avoidance”, ISSSTA'00, Sep., 2000.
    22. B. Ng and E. S. Sousa, “Dynamic spreading code allocation in fixed cellular wireless network”, PIMRC'99, Sep. 1999.   
    23. B. Ng, K.N. Plataniotis, A.N. Venetsanopoulos, “Adaptive multichannel filter for image processing”, Proceedings Canadian Conference on Electrical and Computer Engineering, May 25-28, pp. 696-699, 1997.

  • Professional Membership:

    IET (member)

    IEEE (member)