一种无扰的多载波互补码分多址通信雷达一体化方案

沈炳声; 周正春; 杨洋; 范平志

doi:10.11999/JEIT240297

一种无扰的多载波互补码分多址通信雷达一体化方案

doi: 10.11999/JEIT240297

1.
西南交通大学信息科学与技术学院成都 611756
2.
西南交通大学数学学院成都 611756

基金项目: 国家自然科学基金 (U23A20274, 62171389)，四川省自然科学基金创新研究群体 (2024NSFTD0015)，中央高校基本科研业务费 (2682024CX027)

详细信息

作者简介:
沈炳声：男，博士，研究方向为序列编码设计、通信雷达一体化

周正春：男，教授，研究方向为编码理论、通信/雷达波形设计、电子信息对抗、人工智能

杨洋：男，教授，研究方向为序列编码设计、通信/雷达波形设计

范平志：男，教授，研究方向为为高移动性宽带无线通信、信号设计与处理、信息理论与编码、无线频谱资源管理

通讯作者:
沈炳声　bsshen9527@swjtu.edu.cn

中图分类号: TN958
计量
- 文章访问数: 24
- HTML全文浏览量: 7
- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2024-04-19
- 修回日期: 2024-06-26
- 网络出版日期: 2024-06-30

A Non-interference Multi-Carrier Complementary Coded Division Multiple Access Dual-Functional Radar-Communication Scheme

1.
School of Information Science and Technology, Southwest Jiaotong University, Chengdu 611756, China
2.
School of Mathematics, Southwest Jiaotong University, Chengdu 611756, China

Funds: The National Natural Science Foundation of China (U23A20274, 62171389), The Sichuan Natural Science Foundation Innovation Research Group (2024NSFTD0015), The Fundamental Research Funds for the Central Universities (2682024CX027)

摘要

摘要: 随着新兴应用的不断涌现，频谱拥堵问题日益严重。通信雷达一体化(DFRC)是解决频谱拥堵问题的关键技术之一。然而，如何解决通信与雷达之间的相互干扰并实现高通信速率是通信雷达一体化亟待解决的基础难题。该文以多载波互补码分多址技术为基础，设计一种适用于多用户场景的新型通信雷达一体化信号。理论分析和仿真结果表明，与典型的扩频方案相比，所提方案可以实现通信雷达的无扰传输，并具有低的误码率与高的通信速率。
- 通信雷达一体化 /
- 多载波码分多址 /
- 互补码
Abstract: With the continuous emergence of new applications, the issue of spectrum congestion is becoming increasingly severe. Dual-functional radar-communication (DFRC) is considered a key enabling technology for many emerging applications and is one of the essential approaches to addressing the issue of spectrum congestion. However, how to solve the mutual interference between communication and radar and achieve high communication rate is a fundamental challenge that urgently needs to be solved in DFRC system. Based on multi carrier complementary coded division multiple access technology, a DFRC signal suitable for multi-user scenarios is designed in this paper. Theoretical analysis and simulation results show that compared with typical spread spectrum schemes, the proposed scheme can achieve non-interference transmission between communication and radar, with low bit error rate and high user communication rate.
- Dual-functional radar and communication (DFRC) /
- Multi-carrier code division multiple access /
- Complementary code

HTML全文

图 1 完备互补码的非周期相关函数

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图 2 通信雷达一体化系统模型示意图

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图 3 发射端框图

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图 4 通信接收端框图

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图 5 不同扩频码的误码率性能

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图 6 单用户通信速率

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图 7 相关函数分析

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图 8 速度-峰值旁瓣比

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图 9 匹配滤波器输出

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图 10 目标距离-速度检测

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