Research

Publication

• W.-Y. Keung and W.-K. Ma, “Spatial Sigma-Delta Modulation for Few-Bit MIMO Precoding: Quantization Error Suppression According to Channel State Information”, EUSIPCO’24. [EURASIP]

• W.-Y. Keung, Y. Liu and W.-K. Ma, “Robust Symbol-Level Precoding via a Symbol-Perturbed Zero-Forcing Structure”, ICASSP’24. [IEEEXplore]

• W.-Y. Keung, H. V. Cheng and W.-K. Ma, “Transmitting Data Through Reconfigurable Intelligent Surface: A Spatial Sigma-Delta Modulation Approach”, ICASSP’24. [IEEEXplore]

• W.-Y. Keung and W.-K. Ma, “Spatial Sigma-Delta Modulation for Coarsely Quantized Massive MIMO Downlink: Flexible Designs by Convex Optimization”, IEEE Open Journal of Signal Processing. [arXiv] [IEEEXplore]

• W.-Y. Keung and U. M. Qureshi, “Binary MIMO Detection via Extreme Learning Machines in 5G Network and Beyond”, GLOBECOM’23 Workshop. [IEEEXplore]

• W.-Y. Keung, H.-T. Wai and W.-K. Ma, “Secure Integrated Sensing and Communication Downlink Beamforming: A Semidefinite Relaxation Approach with Tightness Guaranteed”, ICASSP’23 Workshop. [IEEEXplore]

Thesis

• W.-Y. Keung, Spatial Sigma-Delta Modulator Design for Coarsely Quantized Massive MIMO Precoding, Master's Thesis, 2020.

• W.-Y. Keung, Space-Time Block Coding in Wiresless Communications, Bachelor's Thesis, 2017.