User Selection in Reconfigurable Intelligent Surface Assisted Communication Systems

This letter presents a detailed investigation on the performance of reconfigurable intelligent surface (RIS)-assisted communication system with user scheduling. Depending on the availability of channel state information (CSI) at the RIS, two separate scenarios are considered, namely without CSI and...

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Veröffentlicht in:	IEEE communications letters 2021-04, Vol.25 (4), p.1353-1357
Hauptverfasser:	Gan, Xu, Zhong, Caijun, Zhu, Yongxu, Zhong, Zhaoyang
Format:	Artikel
Sprache:	eng
Schlagworte:	Arrays Channel state information Communications systems Diversity methods Monte Carlo methods multi-user diversity Reconfigurable intelligent surface Reconfigurable intelligent surfaces Rician channels Scheduling Signal to noise ratio Upper bound user scheduling Wireless communication
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