Preprints
ASGNN: Graph Neural Networks with Adaptive Structure
Zepeng Zhang, Songtao Lu, Zengfeng Huang, and Ziping Zhao
[paper]Discerning and Enhancing the Weighted Sum-Rate Maximization Algorithms in Communications
Zepeng Zhang, Ziping Zhao, Kaiming Shen, Daniel P. Palomar, and Wei Yu
[paper]Rate Maximizations for Reconfigurable Intelligent Surface-Aided Wireless Networks: A Unified Framework via Block Minorization-Maximization
Zepeng Zhang and Ziping Zhao
[paper]On Convergence Rates of Quadratic Transform and WMMSE Methods
Kaiming Shen, Ziping Zhao, Yannan Chen, Zepeng Zhang, Hei Victor Cheng
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Publications
Graph Neural Networks with Adaptive Structure
Zepeng Zhang, Songtao Lu, Zengfeng Huang, and Ziping Zhao
Graph Signal Processing Workshop (GSP), 2024
[paper]Accelerating Quadratic Transform and WMMSE
Kaiming Shen, Ziping Zhao, Yannan Chen, Zepeng Zhang, and Hei Victor Cheng
IEEE International Symposium on Information Theory (ISIT), 2024
[paper]Enhancing the Efficiency of WMMSE and FP for Beamforming by Minorization-Maximization
Zepeng Zhang, Ziping Zhao, and Kaiming Shen
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2023
[paper]Towards Understanding Graph Neural Networks: An Algorithm Unrolling Perspective
Zepeng Zhang and Ziping Zhao
DLG-KDD 2022
[paper]Weighted Sum-Rate Maximization for Multi-Hop RIS-Aided Multi-User Communications: A Minorization-Maximization Approach
Zepeng Zhang and Ziping Zhao
IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2021 (Best Student Paper Award Finalist)
[paper]Multi-Period Portfolio Optimization for Index Tracking in Finance
Xiuyuan Huang, Zepeng Zhang, and Ziping Zhao
Annual Asilomar Conference on Signals, Systems, and Computers (ACSSC/Asilomar), 2020
[paper]Vast Portfolio Selection With Submodular Norm Regularizations
Zepeng Zhang and Ziping Zhao
European Signal Processing Conference (EUSIPCO), 2021
[paper]Scalable Financial Index Tracking with Graph Neural Networks
Zepeng Zhang and Ziping Zhao
IEEE Statistical Signal Processing Workshop (SSP), 2021
[paper]A Deep Learning-Aided Approach to Portfolio Design for Financial Index Tracking
Zepeng Zhang and Ziping Zhao
Annual Asilomar Conference on Signals, Systems, and Computers (ACSSC/Asilomar), 2020
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