短波数字信道化通信探测一体化快速建链方法

doi:10.11959/j.issn.1000-436x.2023001

通信学报 ›› 2023, Vol. 44 ›› Issue (1): 89-102.doi: 10.11959/j.issn.1000-436x.2023001

短波数字信道化通信探测一体化快速建链方法

李国军¹^,², 向翠玲¹^,², 叶昌荣¹^,²^,³, 王尊立²

¹ 重庆邮电大学光电工程学院/重庆国际半导体学院，重庆 400065
² 重庆邮电大学超视距可信信息传输研究所，重庆 400065
³ 重庆邮电大学光电信息感测与传输技术重庆市重点实验室博士后科研工作站，重庆 400065

修回日期:2022-10-25 出版日期:2023-01-25 发布日期:2023-01-01
作者简介:李国军（1978- ），男，四川资阳人，博士，重庆邮电大学教授、博士生导师，主要研究方向为复杂恶劣环境超视距无线通信与网络
向翠玲（1996- ），女，重庆人，重庆邮电大学硕士生，主要研究方向为信道估计、短波建链技术
叶昌荣（1989- ），男，重庆人，博士，重庆邮电大学副教授，主要研究方向为短波通信、信号处理、异构链路融合组网等
王尊立（1998- ），男，湖南永州人，重庆邮电大学硕士生，主要研究方向为短波信道建模
基金资助:
国家重点研发计划基金资助项目(2019YFC1511300);国家重点研发计划基金资助项目(2019YFC1511301);国家重点研发计划基金资助项目(2019YFC1511303);国家重点研发计划基金资助项目(2019YFC1511305);国家自然科学基金资助项目(U22A2006);重庆市基础研究与前沿探索基金资助项目(cstc2021ycjh-bgzxm0072)

Fast link-establishment method of integrated of communication and detection based on short-wave digital channelization

Guojun LI¹^,², Cuiling XIANG¹^,², Changrong YE¹^,²^,³, Zunli WANG²

¹ School of Optoelectronic Engineering ＆Chongqing International Semiconductor Institute College, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
² Lab of Beyond LOS Reliable Information Transmission, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
³ Postdoctoral Research Workstation of Chongqing Key Laboratory of Optoelectronic Information Sensing and Transmission Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Revised:2022-10-25 Online:2023-01-25 Published:2023-01-01
Supported by:
The National Key Research and Development Program of China(2019YFC1511300);The National Key Research and Development Program of China(2019YFC1511301);The National Key Research and Development Program of China(2019YFC1511303);The National Key Research and Development Program of China(2019YFC1511305);The National Natural Science Foundation of China(U22A2006);Chongqing Basic Re-search and Frontier Exploration Project(cstc2021ycjh-bgzxm0072)

摘要/Abstract

摘要：

针对短波通信传统自动链路建立技术选频准确性低、建链效率低、资源利用率低等问题，提出一种基于短波数字信道化接收的通信探测一体化快速建链方法。利用数字信道化技术实现短波全频段并行接收。设计了通信探测一体化波形，解决建链过程中波形切换带来的时间冗余和设备兼容问题。设计了探测即建链的快速建链方案，实现复杂电磁环境下的快速稳健通联。实测结果表明，信道化结构能够增强建链系统的接收性能，建链方案相较于传统建链方案有明显优势，信道参数估计方法有较高的估计精度，验证了所提方法在真实短波信道环境的适用性。

关键词: 短波通信, 数字信道化, 快速建链, 通信探测一体化, 信道参数估计

Abstract:

A link-establishment method based on short-wave digital channelized receiver was proposed for the traditional automatic link establishment technology in short-wave communications with the low accuracy of frequency selection, low efficiency of link establishment, and low utilization of resources, etc.The parallel receiving mechanism for full frequency band in short-wave communications was realized by using digital channelization.An integrated waveform of communication and detection was designed to deal with the time redundancy and equipment compatibility problems caused by waveform switching during link establishment.A fast link-establishment method was designed, to achieve a fast and robust connection in complex electromagnetic environments.The results show that the channelized structure can enhance the receiving performance of the link-establishment system, the link-establishment method has obvious advantages, channel parameter estimation method has a high estimation accuracy compared to the traditional link-establishment method and the applicability of the proposed method in practical short-wave channel environment is verified.

Key words: short-wave communications, digital channelization, fast link-establishment, integrated communication and detection, channel parameter estimation

中图分类号:

TN925

李国军, 向翠玲, 叶昌荣, 王尊立. 短波数字信道化通信探测一体化快速建链方法[J]. 通信学报, 2023, 44(1): 89-102.

Guojun LI, Cuiling XIANG, Changrong YE, Zunli WANG. Fast link-establishment method of integrated of communication and detection based on short-wave digital channelization[J]. Journal on Communications, 2023, 44(1): 89-102.

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仿真情形	信道条件	发送机	接收机
1	AWGN信道	在短波数字信道化接收机每路子信道中心频率点	短波数字信道化接收机接收处理
		上，同时生成发送1 024个信号
2	短波标准信道	在短波数字信道化接收机每路子信道中心频率点	短波数字信道化接收机接收处理
		上，同时生成发送1 024个信号
3	AWGN信道	在基带上依次生成发送1 024个信号	不使用短波数字信道化接收机接收处理
4	短波标准信道	在基带上依次生成发送1 024个信号	不使用短波数字信道化接收机接收处理

区域	子信道号	分类特性
A	1～65、960～1 024	受数字下变频和第一级信道化滤
		波器过渡带影响
B	32n、32n+1	仅受第一级信道化滤波器过渡带
	n∈(3,4,5,…,29)	影响
C	其他	没有受到滤波器过渡带影响

仿真情形	信道条件	发送机	接收机
1	AWGN信道	在区域 C 的第 496	短波数字信道
		子信道中心频率点	化接收机接收
		上生成发送信号	处理
2	短波信道	在区域 C 的第 496	短波数字信道
		子信道中心频率点	化接收机接收
		上生成发送信号	处理
3	AWGN信道	在基带上生成发送	不使用短波数
		信号	字信道化接收
			机接收处理
4	短波信道	在基带上生成发送	不使用短波数
		信号	字信道化接收
			机接收处理

短波数字信道化通信探测一体化快速建链方法

Fast link-establishment method of integrated of communication and detection based on short-wave digital channelization

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