Collaborative Joint Precoding for Multiuser, Multiple-Input Multiple-Output, Dual-Function Radar Communications Systems

被引：0

作者：

Liu, Te-Wei ^{[1
]}

Chen, Chiao-En ^{[1
]}

机构：

[1] Natl Chung Hsing Univ, Dept Elect Engn, Taichung 402, Taiwan

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2024年 / 73卷 / 12期

关键词：

Radar; Precoding; Vectors; MIMO communication; Radar antennas; Collaboration; Linear antenna arrays; Collaborative communication; dual-function radar communications (DFRC); multiple-input multiple-output (MIMO); multiuser; radar; MIMO COMMUNICATIONS; DESIGN;

D O I：

10.1109/TVT.2024.3443177

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：

We investigated joint precoding schemes for multiuser, multiple-input multiple-output (MIMO), dual-function radar communications (DFRC) systems in which the base stations collaborate 1) in only radar signals, 2) in only communications signals, and 3) in both radar and communication signals. For each scenario, we formulated an optimization problem and crafted a suboptimal algorithm that yields a high-quality solution employing semi-definite relaxation. A post-processing procedures is explicitly designed to generate rank-one solutions from the optimal solution of the associated relaxed problem. Simulation results indicated that the proposed collaborative precoding schemes for DFRC systems substantially outperformed their noncollaborative precoding counterpart and struck a good balance between different aspects of performance on various radar and communications metrics, such as transmit beam pattern, feasible probability, sum rate, and the MIMO radar's objective function.

引用

页码：19855 / 19860

页数：6

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