5 papers
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…
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…
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…
Location-Driven Beamforming for RIS-Assisted Near-Field Communications
Xiao Zheng, Wenchi Cheng, Jingqing Wang +1
Future wireless communications are promising to support ubiquitous connections and high data rates with cost-effective devices. Benefiting from the energy-efficient elements with l…
Huygens-Fresnel Model Based Position-Aided Phase Configuration for 1-Bit RIS Assisted Wireless Communication
Xiao Zheng, Wenchi Cheng, Jiangzhou Wang
Reconfigurable intelligent surface (RIS), composed of nearly passive elements, is regarded as one of the potential paradigms to support multi-gigabit data in real-time. However, in…