Achievable Sum-Rate Capacity Optimization for Joint MIMO Multiuser Communications and Radar

被引：2

作者：

Liu, Xiang ^{[1
]}

Huang, Tianyao ^{[1
]}

Liu, Yimin ^{[1
]}

Zhou, Jie ^{[2
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China

[2] China Acad Engn Phys, Inst Elect Engn, Mianyang, Sichuan, Peoples R China

来源：

SPAWC 2021: 2021 IEEE 22ND INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (IEEE SPAWC 2021) | 2020年

基金：

中国国家自然科学基金;

关键词：

Joint radar and communication; multi-input-multi-output (MIMO); sum-rate capacity; Tomlinson-Harashima precoding; DESIGN;

D O I：

10.1109/SPAWC51858.2021.9593259

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：

This work considers the joint transmit design of multiuser MIMO communications and MIMO radar. In particular, we propose to maximize the sum-rate capacity of multiuser MIMO communications under certain transmit correlation mismatch level for MIMO radar, and solve the maximization via convex optimization. Then, a practical transmit design scheme based on Tomlinson-Harashima precoding is proposed to approach the sum-rate capacity. The numerical results on the sum-rate capacity indicate that the average capacity under Rayleigh fading channel is the highest when radar intends to form a omni-directional transmit beam. The bit error rate simulation shows that the proposed transmit design scheme is about 7dB from the theoretic capacity.

引用

页码：466 / 470

页数：5

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