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
收藏
页码：466 / 470
页数：5
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