Author

Liwen Gao

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Preprint Aug 2026

Joint Beamforming Design and Port Selection in Fluid Antenna-Assisted Multi-Cell Networks: A Personalized Federated Learning Approach

This paper investigates joint beamforming and port selection in multi-cell fluid antenna-assisted (FAS) networks. In such networks, active beamforming and discrete FA port selection are coupled through intra-cell and inter-cell interference and are jointly optimized to maximize the weighted sum-rate (WSR). We develop a...

Li-Wen Gao, Li Zheng, Xing Hao et al. · 0 citations

2026

Rate Maximization for RIS-Assisted Downlink Pinching-Antenna Systems

This letter investigates a downlink communication system utilizing a single-waveguide pinching-antenna system (PASS) assisted by a reconfigurable intelligent surface (RIS). We focus on the joint optimization of the positions of pinching antennas (PAs) along a waveguide and the phase shifts of the RIS to maximize the ac...

Xiong Fu, Li Chen, Li Zheng et al. · IEEE Wireless Communications... · 0 citations