Two-Timescale Transmission Design for Wireless Communication Systems Aided by Active RIS

no code implementations • 25 Oct 2022 • Zhangjie Peng, Tianshu Li, Cunhua Pan, Xianfu Lei, Shi Jin

This paper considers an active reconfigurable intelligent surface (RIS)-aided communication system, where an M-antenna base station (BS) transmits data symbols to a single-antenna user via an N-element active RIS.

RIS-Aided D2D Communications Relying on Statistical CSI with Imperfect Hardware

no code implementations • 4 Dec 2021 • Zhangjie Peng, Tianshu Li, Cunhua Pan, Hong Ren, Jiangzhou Wang

In this letter, we investigate a reconfigurable intelligent surfaces (RIS)-aided device to device (D2D) communication system over Rician fading channels with imperfect hardware including both hardware impairment at the transceivers and phase noise at the RISs.

Analysis and Optimization for RIS-Aided Multi-Pair Communications Relying on Statistical CSI

no code implementations • 22 Jul 2020 • Zhangjie Peng, Tianshu Li, Cunhua Pan, Hong Ren, Wei Xu, Marco Di Renzo

Simulation results verify the correctness of the obtained results and show that the proposed GA method has almost the same performance as the globally optimal solution.

Quantization