车载雷达通信系统综述

[摘要] 雷达通信一体化是同时具有目标探测和信息交互的系统，是近年来雷达和通信技术研究的一个重要方向，车载雷达通信系统是其重要的应用之一。梳理了关于雷达通信系统研究的现状，介绍了雷达通信一体化系统的评价指标、系统构成和波形设计方案，总结了雷达指标和通信指标的仿真性能研究成果，并分析了车载雷达通信系统用于自动驾驶和智慧交通的应用前景和发展趋势。认为车载雷达通信系统既降低成本又可以提高频谱利用率，将会成为雷达通信一体化技术从军事应用转向民用领域的重要突破之一。

[关键词] 雷达通信系统；线性调频；正交频分多址（OFDM）；扩频

[Abstract] Radar-communication integrated system is a combination of target detection and information exchange. It is recently an important direction for the development of radar and communication technology. Vehicle radar-communication integrated system is one of the most important applications. In this paper, the literature on radar-communication integrated system is reviewed, and the key metrics, system structure and waveform design are analyzed, the research achievements on the performance simulations of radar and communication functions are then summarized. Finally, the future development and tendencies of vehicle radar-communication integrated system which is used for automatic driving and intelligent transportation are analyzed. It is considered that the vehicle radar-communication system can reduce the cost and improve the spectrum efficiency, which will become one of the important breakthroughs in the field of radar communication integration from military applications to civilian applications.

[Keywords] radar-communication system; linear frequency modulation; orthogonal frequency division multiplexing (OFDM); spread spectrum