On the Efficient Design of RIS-Assisted MIMO Transmission

被引：2

作者：

Niu, Hong ^{[1
]}

Lei, Xia ^{[1
]}

Xiao, Yue ^{[1
]}

Miao, Ning ^{[1
]}

Xiao, Ming ^{[2
]}

Mumtaz, Shahid ^{[3
]}

机构：

[1] Univ Elect Sci & Technol China, Natl Key Lab Sci & Technol Commun, Chengdu, Sichuan, Peoples R China

[2] KTH, Royal Inst Technol, Dept Informat Sci & Engn, Stockholm, Sweden

[3] Inst Telecomunicaces Campus Univ Santiago, Aveiro, Portugal

来源：

2022 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM 2022) | 2022年

基金：

国家重点研发计划;

关键词：

Reconfigurable intelligent surface (RIS); multiple-input multiple-output (MIMO); alternating direction (AD); bit-error-rate (BER); INTELLIGENT REFLECTING SURFACE; BEAMFORMING DESIGN; WIRELESS NETWORK; MODULATION; OPTIMIZATION;

D O I：

10.1109/GLOBECOM48099.2022.10001308

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Recently, reconfigurable intelligent surface (RIS) has arisen as an excellent technology for assisting wireless communications. In order to handle the intractable non-convex problem for jointly optimizing beamforming and PSs in multiple-input multipleoutput (MIMO) transmission, we propose a novel alternating direction (AD) method by maximizing the achievable rate (AR) at the receiver. Specifically, the initial problem is divided into the following two processes: i) optimizing the beamforming vector with fixed PSs, ii) determining a specific PS based on a closedform solution when the other PSs and beamforming are fixed. Simulation results corroborate that the proposed AD method provides robust attainable performance with reduced computational complexity compared to its traditional counterparts.

引用

页码：2346 / 2351

页数：6

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