3 papers
cs.IT2025
Location-Aided Distributed Beamforming for Near-Field Communications with Element-Wise RIS
Xiao Zheng, Wenchi Cheng, Jingqing Wang +2
Active reconfigurable intelligent surface (RIS) emerges as an effective technique to resist the double-fading attenuation of passive RIS. By embedding with power harvesting functio…
eess.SP2025
Towards Reliable Emergency Wireless Communications over SAGINs: A Composite Fading and QoS-Centric Perspective
Yinong Chen, Wenchi Cheng, Jingqing Wang +2
In emergency wireless communications (EWC) scenarios, ensuring reliable, flexible, and high-rate transmission while simultaneously maintaining seamless coverage and rapid response…
cs.IT2025
Post-disaster Max-Min Rate Optimization for Multi-UAV RSMA Network in Obstacle Environments
Qingyang Wang, Zhuohui Yao, Wenchi Cheng +1
This paper proposes a rate-splitting multiple access (RSMA) transmission scheme to maximize the minimum achievable rate among ground users for emergency communications in post-disa…