摘要
雷达通信一体化设计是雷达系统和通信系统的有机结合及资源共享。一体化系统的设计包括传输体制设计、突发解调算法设计和高效纠错编译码技术。针对雷达天线孔径特点,设计了一种基于雷达脉冲体制特点的突发通信体制,符号速率达到150 Msps,提出基于数据辅助的信号快速检测、定时估计算法和基于数据辅助的载波恢复算法,完成解调方案设计,开展编码器校验矩阵构造设计及译码并行算法设计,译码速率超过150 MHz。各项技术进行了算法仿真、软件设计及平台验证,实现了突发速率150 Msps的通信系统收发,对利用雷达系统进行通信及数据传输提出了一种可行方案。
The integrated design of radar and communication is the combination of radar system and communication system and the sharing of resources.The integrated design includes three key technologies:waveform design,burst demodulation,high-speed and efficient FEC.In this paper,aiming at the characters of radar antenna,a new communication system is proposed,the symbol rate of which reaches 150 Msps;the fast signal detection and timing estimation based on data auxiliary is put forward,the carrier synchronization algorithm is studied,and the demodulation design is completed.The design of encoder check matrix and the parallel processing algorithm for decoder are carried out,with the rate of decoder up to 150 MHz.The algorithm simulation,software design and verification on the hardware platform for all of the technologies are carried out.The communication system with burst rate 150 Msps is completed.The research provides a feasible scheme of using radar system for communication system.
作者
韩晓娱
刘会红
张晖
HAN Xiaoyu;LIU Huihong;ZHANG Hui(The 54th Research Institute of CETC,Shijiazhuang 050081,China;The 28th Research Institute of CETC,Nanjing 210007,China)
出处
《无线电通信技术》
2019年第2期128-132,共5页
Radio Communications Technology
基金
国家部委基金资助项目
关键词
波形设计
LDPC编译码
载波同步
并行处理
waveform design
LDPC encoder and decoder
carrier synchronization
parallel processing
