基于叠加导频的雷达与通信一体化信号处理算法研究  

Research on Integrated Signal Processing Algorithm for Study of Integrated Radar and Communication System Based on Superimposed Pilot

作　　者：许蔚然 XU Weiran(School of Information Science and Technology,Fudan University,Shanghai 200433,China)

机构地区：[1]复旦大学信息科学与工程学院,上海200433

出　　处：《计算机测量与控制》2024年第6期276-285,共10页Computer Measurement &Control

摘　　要：MIMO-OFDM技术日益成熟,MIMO系统为雷达通信一体化系统提供了硬件支持,OFDM调制为通信感知一体化系统提供了合适的调制方法;传统通信系统的接收方只接收通信信息而浪费了携带的信道信息,后者正是雷达系统所需的信息,通感一体化系统也提高了信息利用率;在通信感知一体化系统的存在诸多不同形式中,采用了叠加导频的系统,验证了叠加导频相较于传统导频策略的优越性,并研究了基于叠加导频的雷达系统的性能;直接使用香农公式计算通信雷达融合信道的信道容量,并研究两部分功率比对于系统互信息的影响。The systemtechnology of multiple-input multiple-output and orthogonal frequency division multiplexing(MIMO-OFDM)is becoming more and moregetting mature more and more.MIMO system provides physical support for integrated radar and communication systems,while OFDM modulation provides appropriate modulation methodsuitable measure offor integrated communication perception systemscommunication.In tTraditional,communication systems only receive the communication information merely,ignoring the carriedleaving channel information aside,the latter is exactly the information required by which is precisely the radar system requires.Thus,the integrated radar and communication systems also improve theutilize information utilizationmore effectively in this way.There are different forms of integrated radar and communication systems.Nevertheless,this article underlines the superimposedbased upon superimposed pilot system is used to verify,researching and demonstrating the superiority of superimposed pilot compared toover traditional pilots,and study and the splendid performance of its radar system based on the superimposed pilot.Shannon equation is directly applied to calculateOne of the innovative point this article introduce is the calculation of the channelaccount of information account ofof integrated communication radar fusion and channel directly by Shanon Equation,as well as the researchstudy on the influences of two power ratios onof the radar and the system mutual informationcommunication system on channel capacity.

关 键 词：叠加导频 雷达系统 通信系统 通信感知一体化系统 信道容量 

分 类 号：TN911[电子电信—通信与信息系统]