3 papers
cs.IT2025
Duality-Based Fixed Point Iteration Algorithm for Beamforming Design in ISAC Systems
Xilai Fan, Ya-Feng Liu
In this paper, we investigate the beamforming design problem in an integrated sensing and communication (ISAC) system, where a multi-antenna base station simultaneously serves mult…
cs.IT2025
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…
cs.IT2025
An Adaptive Proximal Inexact Gradient Framework and Its Application to Per-Antenna Constrained Joint Beamforming and Compression Design
Xilai Fan, Bo Jiang, Ya-Feng Liu
In this paper, we propose an adaptive proximal inexact gradient (APIG) framework for solving a class of nonsmooth composite optimization problems involving function and gradient er…