雷达通信一体化研究现状与发展趋势

Development and Prospect of Radar and Communication Integration

雷达通信一体化通过一套共用的硬件设备实现雷达探测与通信传输,相比于传统单一的雷达或者通信设备,更易集成化、小型化和高效利用频谱。该文系统地介绍了雷达通信一体化的原理与特点,指出了一体化研究中亟需解决的问题,从典型的基于线性调频(LFM)的雷达通信一体化信号出发,全面梳理了国内外针对雷达通信一体化的相关研究,着重归纳了正交频分复用(OFDM)与多入多出(MIMO)技术在雷达通信一体化波形设计、信号处理、一体化系统设计等几个重点方向的研究进展,并分析了雷达通信一体化未来的可能发展趋势及其在军事领域和民用智能交通领域的重要应用前景。

Radar communication integration realizes radar detection and communication transmission via shared hardware equipment, the integration is easier to be integrated, miniaturized and utilize effectively spectrum compared with traditional individual radar and communication devices. This paper systematically introduces the principles and characteristics of radar communication integration, presents the urgent problems need to be solved within integration investigation, starting from typical radar communication integration signal based on Linear Frequency Modulation (LFM), this paper reviews comprehensively the related research on radar communication integration and primarily summarizes the research developments of Orthogonal Frequency Division Multiplexing (OFDM) and Multi-Input Multi-Output (MIMO) techniques in critical directions including waveform design, signal processing and integrated system conception. Finally, the potential developing trend and significant application scenario in military and civilian intelligent transportation field of radar communication integration is analyzed.