5 papers
Deep Reinforcement Learning for Energy Efficiency Maximization in RSMA-IRS-Assisted ISAC System
Zhangfeng Ma, Ruichen Zhang, Bo Ai +3
This paper proposes a three-dimensional (3D) geometry-based channel model to accurately represent intelligent reflecting surfaces (IRS)-enhanced integrated sensing and communicatio…
Reconfigurable Intelligent Surface Assisted High-Speed Train Communications: Coverage Performance Analysis and Placement Optimization
Changzhu Liu, Ruisi He, Yong Niu +6
Reconfigurable intelligent surface (RIS) emerges as an efficient and promising technology for the next wireless generation networks and has attracted a lot of attention owing to th…
5G for Railways: the Next Generation Railway Dedicated Communications
Ruisi He, Bo Ai, Zhangdui Zhong +6
To overcome increasing traffic, provide various new services, further ensure safety and security, significantly improve travel comfort, a new communication system for railways is r…
Coverage Probability Analysis of RIS-Assisted High-Speed Train Communications
Changzhu Liu, Ruisi He, Yong Niu +6
Reconfigurable intelligent surface (RIS) has received increasing attention due to its capability of extending cell coverage by reflecting signals toward receivers. This paper consi…
Radio Communication Scenarios in 5G-Railways
Ruisi He, Bo Ai, Zhangdui Zhong +8
With the rapid development of railways, especially high-speed railways, there is an increasingly urgent demand for new wireless communication system for railways. Taking the mature…