基于串行时分CC-CDMA的雷达通信一体化

李玉博; 崔健; 冯俊超; 陈晓玉

doi:10.11959/j.issn.1000-436x.2023183

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基于串行时分CC-CDMA的雷达通信一体化

学术论文 | 更新时间：2024-06-06

- 基于串行时分CC-CDMA的雷达通信一体化
- Dual functional radar communication based on serial time division CC-CDMA
- 通信学报 2023年44卷第9期页码：127-138
- 作者机构：
  
  1. 燕山大学信息科学与工程学院，河北秦皇岛 066000
  2. 河北省信息传输与信号处理重点实验室，河北秦皇岛 066000
- 作者简介：
  
  [ "李玉博（1985- ），男，河北衡水人，博士，燕山大学教授、博士生导师，主要研究方向为序列设计与编码、大规模多址接入和通信感知一体化信号设计" ]
  [ "崔健（1999- ），男，吉林长春人，燕山大学硕士生，主要研究方向为雷达通信一体化信号设计" ]
  [ "冯俊超（1998- ），男，河北唐山人，燕山大学硕士生，主要研究方向为前导序列设计、信道估计" ]
  [ "陈晓玉（1983- ），女，内蒙古赤峰人，博士，燕山大学副教授、硕士生导师，主要研究方向为序列设计、无线通信技术" ]
- 基金信息：
  
  国家自然科学基金资助项目(62241110);河北省高等学校科学技术研究基金资助项目(ZD2021105);河北省重点实验基金资助项目(202250701010046);河北省自然科学基金资助项目(F2021203078)
- DOI：10.11959/j.issn.1000-436x.2023183
  中图分类号： TN957.51
- 网络首发：2023-09，
  
  纸质出版：2023-09-25
- 稿件说明：
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李玉博, 崔健, 冯俊超, 等. 基于串行时分CC-CDMA的雷达通信一体化[J]. 通信学报, 2023,44(9):127-138.

Yubo LI, Jian CUI, Junchao FENG, et al. Dual functional radar communication based on serial time division CC-CDMA[J]. Journal on Communications, 2023, 44(9): 127-138.
李玉博, 崔健, 冯俊超, 等. 基于串行时分CC-CDMA的雷达通信一体化[J]. 通信学报, 2023,44(9):127-138. DOI： 10.11959/j.issn.1000-436x.2023183.

Yubo LI, Jian CUI, Junchao FENG, et al. Dual functional radar communication based on serial time division CC-CDMA[J]. Journal on Communications, 2023, 44(9): 127-138. DOI： 10.11959/j.issn.1000-436x.2023183.

摘要

为了提升目标检测性能，解决多目标和多用户之间的自干扰和互干扰问题，基于串行时分互补码-码分多址（CC-CDMA）技术提出一种雷达通信一体化系统。首先，借用码分复用机理在发射端通过广义普洛黑-修-莫尔斯（GPTM）序列调整互补码中不同子序列对不同时间片上信号的扩频顺序，生成雷达通信一体化信号。其次，雷达接收端通过2次处理，利用逐点最小化方法将处理结果进行融合，提升雷达子系统的目标检测能力。最后，在通信接收端使用对应发射端扩频顺序的子序列对接收到的信号进行解扩，通过交织编码和汉明编码进一步降低误码率。仿真结果表明，与其他雷达通信一体化系统相比，所提系统具有更低的误码率、更高的多普勒分辨率和更好的旁瓣抑制性能。

Abstract

In order to improve the performance of target detection and solve the problem of self-interference and mutual interference between multiple targets and multiple users

a radar communication integration system based on serial time division CC-CDMA was proposed.Firstly

the code division multiplexing mechanism was used to adjust the spread spectrum sequence of different subcodes in the complementary code to the signals on different time slices at the transmitter through the generalized PTM sequence to generate the integrated signal of radar communication.Secondly

the receiving end of the radar processed the data twice

and the point-by-point minimization method was used to fuse the processing results to improve the target detection capability of the radar subsystem.Lastly

at the receiving end of communication

the subcodes corresponding to the spread spectrum sequence at the transmitting end were used to de-amplify the received signals

and the bit error ratio was further reduced by interleaved coding and Hamming coding.Simulation results show that compared with other radar communication integration systems

the proposed system has lower bit error rate

higher Doppler resolution and better side lobe suppression performance.

关键词

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references

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