多音干扰下Nakagami-m信道传输Link16数据链的性能分析

doi:10.12305/j.issn.1001-506X.2023.02.29

系统工程与电子技术 ›› 2023, Vol. 45 ›› Issue (2): 566-571.doi: 10.12305/j.issn.1001-506X.2023.02.29

• 通信与网络 • 上一篇

多音干扰下Nakagami-m信道传输Link16数据链的性能分析

宁晓燕, 王影, 孙志国, 罗海玲

哈尔滨工程大学信息与通信工程学院, 黑龙江哈尔滨 150001

收稿日期:2021-12-22 出版日期:2023-01-13 发布日期:2023-02-04
通讯作者: 孙志国
作者简介:宁晓燕(1984—), 女, 副教授, 博士, 主要研究方向为5G通信物理层新技术、认知通信、军用数据链
王影(1997—), 女, 硕士研究生, 主要研究方向为军用数据链、通信对抗
孙志国(1977—), 男, 教授, 博士, 主要研究方向为新一代数据链与集群通信系统、认知通信防护技术
罗海玲(1997—), 女, 硕士研究生, 主要研究方向为军用数据链、认知通信
基金资助:
先进船舶通信与信息技术工业和信息化部重点实验室(AMCIT2101-05);黑龙江省高精度卫星导航及海洋应用重点实验室开放基金(HKL-2021-Y02)

Performance analysis of Nakagami-m channel transmission Link16 under multi-tone interference

Xiaoyan NING, Ying WANG, Zhiguo SUN, Hailing LUO

College of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China

Received:2021-12-22 Online:2023-01-13 Published:2023-02-04
Contact: Zhiguo SUN

摘要/Abstract

摘要：

Link16数据链的应用综合广泛, 由于运用了跳扩频和编码技术使其具有强大的抗干扰能力。为了探究Link16数据链在衰落信道下的响应, 在加性高斯白噪信道的基础之上, 研究了Link16数据链经过Nakagami-m衰落信道的系统性能。着重推导了Link16数据链单脉冲结构在多音干扰下经过Nakagami-m衰落信道的误码率(bit error rate, BER)表达式, 并给出了双脉冲结构BER公式。仿真实验结果验证了Link16数据链单脉冲结构在多音干扰下经过Nakagami-m衰落信道的BER公式的准确性, 分析了多径参数对Link16数据链抗干扰性能的影响, 得出增加衰落参数m和可分辨路径可以提升Link16数据链的系统性能, 且当信干比一定、被干扰频点个数在25个及以上时系统BER达到10^-1。

关键词: Link16数据链, Nakagami-m衰落信道, 多音干扰, 误码率

Abstract:

Link16 data link has a wide range of applications. Because of the application of spread spectrum hopping and coding technology, it has a strong anti-interference ability. In order to explore the response of Link16 data link in fading channel, based on additive white Gaussian noise channel, the system performance of Link16 data link through Nakagami-m fading channel is studied. The bit error rate (BER) expression of Link16 data link monopulse structure passing through Nakagami-m fading channel under multi-tone interference is derived, and the BER formula of double pulse structure is given. Simulation results verify the accuracy of BER formula of Link16 data link monpulse structure passing through Nakagami-m fading channel under multi-tone interference, analyze the influence of multi-path parameters on the anti-jamming performance of Link16 data link, and conclude that adding fading parameter m and discernible path can improve the system performance of Link16 data link. And when the signal-to-jamming ratio is constant and the number of interfered frequency points is 25 or more, the BER of the system reaches 10^-1.

Key words: Link16 data link, Nakagami-m fading channel, multi-tone interference, bit error rate (BER)

中图分类号:

TN914.4

宁晓燕, 王影, 孙志国, 罗海玲. 多音干扰下Nakagami-m信道传输Link16数据链的性能分析[J]. 系统工程与电子技术, 2023, 45(2): 566-571.

Xiaoyan NING, Ying WANG, Zhiguo SUN, Hailing LUO. Performance analysis of Nakagami-m channel transmission Link16 under multi-tone interference[J]. Systems Engineering and Electronics, 2023, 45(2): 566-571.

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N=j	α	N=j	α	N=j	α
0	0	6	0	12	1.0
1	0	7	0.001 5	13	1.0
2	0	8	0.020 7	14	1.0
3	0	9	0.116 6	15	1.0
4	0	10	0.418 7	$\vdots$	1.0
5	0	11	1.0	32	1.0

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多音干扰下Nakagami-m信道传输Link16数据链的性能分析

Performance analysis of Nakagami-m channel transmission Link16 under multi-tone interference

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