Optimal Placement of Reconfigurable Intelligent Surfaces for Spectrum Coexistence With Radars

被引：8

作者：

Kafafy, Mai ^{[1
]}

Ibrahim, Ahmed S. ^{[2
]}

Ismail, Mahmoud H. ^{[3
]}

机构：

[1] Cairo Univ, Fac Engn, Dept Elect & Commun Engn, Giza 12613, Egypt

[2] Florida Int Univ, Elect & Comp Eng Dept, Miami, FL 33174 USA

[3] Amer Univ Sharjah, Dept Elect Engn, Sharjah 26666, U Arab Emirates

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2022年 / 71卷 / 06期

基金：

美国国家科学基金会;

关键词：

Radar; Base stations; Interference; Signal to noise ratio; Optimization; Array signal processing; Resource management; Reconfigurable intelligent surfaces; wireless communication; radars; spectrum sharing; MIMO RADAR; POWER ALLOCATION; CO-DESIGN; COMMUNICATION; PERFORMANCE; SYSTEMS;

D O I：

10.1109/TVT.2022.3165391

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In concurrent spectrum sharing scenarios between radars and wireless communication systems, one strict approach to protect the radar from undesired interference is locating the base stations outside a guard (or exclusion) zone of the radar. As a result, users inside that zone experience bad communication coverage. This paper uses Reconfigurable Intelligent Surfaces (RISs) to improve the base station coverage of users in the radar exclusion zone. The paper shows, through analysis and simulation, that joint optimization of base station and RIS locations improves the probability of coverage in the exclusion zone over the shared spectrum without disturbing the radar operation.

引用

页码：6574 / 6585

页数：12

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