464 citations · 3k across the 68 of their papers we have counts for
69 papers
A Survey of Recent Advances in Optimization Methods for Wireless Communications
Ya-Feng Liu, Tsung-Hui Chang, Mingyi Hong +4
Mathematical optimization is now widely regarded as an indispensable modeling and solution tool for the design of wireless communications systems. While optimization has played a s…
QoS-based Beamforming and Compression Design for Cooperative Cellular Networks via Lagrangian Duality
Xilai Fan, Ya-Feng Liu, Liang Liu +1
This paper considers the quality-of-service (QoS)-based joint beamforming and compression design problem in the downlink cooperative cellular network, where multiple relay-like bas…
A Physics-based and Data-driven Approach for Localized Statistical Channel Modeling
Shutao Zhang, Xinzhi Ning, Xi Zheng +3
Localized channel modeling is crucial for offline performance optimization of 5G cellular networks, but the existing channel models are for general scenarios and do not capture loc…
Zeroth-Order Optimization Meets Human Feedback: Provable Learning via Ranking Oracles
Zhiwei Tang, Dmitry Rybin, Tsung-Hui Chang
In this study, we delve into an emerging optimization challenge involving a black-box objective function that can only be gauged via a ranking oracle-a situation frequently encount…
Gradient and Variable Tracking with Multiple Local SGD for Decentralized Non-Convex Learning
Songyang Ge, Tsung-Hui Chang
Stochastic distributed optimization methods that solve an optimization problem over a multi-agent network have played an important role in a variety of large-scale signal processin…
Low-Complexity Channel Estimation for Massive MIMO Systems with Decentralized Baseband Processing
Yanqing Xu, Bo Wang, Enbin Song +2
The traditional centralized baseband processing architecture is faced with the bottlenecks of high computation complexity and excessive fronthaul communication, especially when the…