296 citations · 921 across the 21 of their papers we have counts for
14 papers · 1 filter
Communication-Sensing Region for Cell-Free Massive MIMO ISAC Systems
Weihao Mao, Yang Lu, Chong-Yung Chi +3
This paper investigates the system model and the transmit beamforming design for the Cell-Free massive multi-input multi-output (MIMO) integrated sensing and communication (ISAC) s…
Multicell Coordinated Beamforming with Rate Outage Constraint--Part II: Efficient Approximation Algorithms
Wei-Chiang Li, Tsung-Hui Chang, Chong-Yung Chi
This paper studies the coordinated beamforming (CoBF) design for the multiple-input single-output interference channel, provided that only channel distribution information is known…
Multicell Coordinated Beamforming with Rate Outage Constraint--Part I: Complexity Analysis
Wei-Chiang Li, Tsung-Hui Chang, Chong-Yung Chi
This paper studies the coordinated beamforming (CoBF) design in the multiple-input single-output interference channel, assuming only channel distribution information given a priori…
Low-Complexity Algorithm for Worst-Case Utility Maximization in Multiuser MISO Downlink
Kun-Yu Wang, Haining Wang, Zhi Ding +1
This work considers worst-case utility maximization (WCUM) problem for a downlink wireless system where a multiantenna base station communicates with multiple single-antenna users.…
Power Allocation and Time-Domain Artificial Noise Design for Wiretap OFDM with Discrete Inputs
Haohao Qin, Yin Sun, Tsung-Hui Chang +4
Optimal power allocation for orthogonal frequency division multiplexing (OFDM) wiretap channels with Gaussian channel inputs has already been studied in some previous works from an…
Worst-Case Robust Multiuser Transmit Beamforming Using Semidefinite Relaxation: Duality and Implications
Tsung-Hui Chang, Wing-Kin Ma, Chong-Yung Chi
This paper studies a downlink multiuser transmit beamforming design under spherical channel uncertainties, using a worst-case robust formulation. This robust design problem is nonc…