1 citations · 1 across the 5 of their papers we have counts for
7 papers
Secure Coverage Enhancement in Aerial Reconfigurable Intelligent Surface-Assisted High-Speed Train Communication Systems
Changzhu Liu, Ruisi He, Bo Ai +6
High-speed trains (HSTs) have become a prominent means of transportation, requiring high data rates and reliable communication services for HST passengers. However, the wireless ch…
Robust Transmission Design for RIS-Assisted High-Speed Train Communication Coverage Enhancement With Imperfect Cascaded Channels
Changzhu Liu, Ruisi He, Haoxiang Zhang +4
Reconfigurable intelligent surface (RIS) has recently been gained attention as an effective technique improving the coverage and performance of communication systems by creating ad…
Refracting Reconfigurable Intelligent Surface Assisted URLLC for Millimeter Wave High-Speed Train Communication Coverage Enhancement
Changzhu Liu, Ruisi He, Yong Niu +3
High-speed train (HST) has garnered significant attention from both academia and industry due to the rapid development of railways worldwide. Millimeter wave (mmWave) communication…
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…