结合伪随机特征码的多序列跳频通信方法

doi:10.3969/j.issn.1001-506X.2020.03.028

系统工程与电子技术 ›› 2020, Vol. 42 ›› Issue (3): 711-718.doi: 10.3969/j.issn.1001-506X.2020.03.028

结合伪随机特征码的多序列跳频通信方法

王耀北¹(), 全厚德¹(), 孙慧贤^1,²(), 崔佩璋¹()

1. 陆军工程大学电子与光学工程系, 河北石家庄 050003
2. 电子科技大学通信抗干扰技术国家级重点实验室, 四川成都 611731

收稿日期:2019-04-17 出版日期:2020-03-01 发布日期:2020-02-28
作者简介:王耀北 (1995-),男,硕士研究生,主要研究方向为跳频通信、无线通信系统抗干扰。E-mail:645681693@qq.com|全厚德 (1957-),男,教授,博士,主要研究方向为无线通信系统抗干扰、数字通信。E-mail:quanhoude@163.com|孙慧贤 (1980-),男,讲师,博士,主要研究方向为无线通信系统抗干扰、战术无线通信。E-mail:Ares_sun@163.com|崔佩璋 (1974-),男,副教授,博士,主要研究方向为无线通信系统抗干扰。E-mail:cui_peizhang@sina.com
基金资助:
国家自然科学基金(61531009);国家自然科学基金(61471108);国家重大专项基金(2016ZX03001009)

Multi-sequence frequency hopping communication method combined with pseudo-random feature codes

Yaobei WANG¹(), Houde QUAN¹(), Huixian SUN^1,²(), Peizhang CUI¹()

1. Department of Electronic and Information Engineering, Army University of Engineering, Shijiazhuang 050003, China
2. National Key Lab of Communication Anti-interference at the University of Electronic Science and Technology, Chengdu 611731, China

Received:2019-04-17 Online:2020-03-01 Published:2020-02-28
Supported by:
国家自然科学基金(61531009);国家自然科学基金(61471108);国家重大专项基金(2016ZX03001009)

摘要/Abstract

摘要：

针对多序列跳频(multi-sequence frequency hopping, MSFH)通信系统在对偶信道存在干扰信号的情况下易引发误码的问题,提出了结合伪随机特征码的MSFH(pseudo-random feature coding MSFH, PRFC-MSFH)通信方法。在信道频率间隔内调制伪随机特征码作为信号来源的特征信息,减少对偶信道受干扰的影响,达到抗干扰目的。建立了PRFC-MSFH发射接收通信模型,根据模型推导了PRFC-MSFH在不同干扰下的误码性能。仿真结果表明, PRFC-MSFH在跟踪干扰条件下较常规跳频约有3~5 dB性能增益,在最坏多音干扰条件下较MSFH有约6~7 dB性能增益,具有较强的综合抗干扰能力。

关键词: 跳频通信, 伪随机特征码, 多序列跳频, 跟踪干扰, 多音干扰

Abstract:

Aiming at the problem that multi-sequence frequency hopping (MSFH) communication system is prone to error codes in the presence of jamming signal in the complementary channel, a pseudo-random feature coding MSFH (PRFC-MSFH) method is proposed. The pseudo-random feature code is modulated in the frequency interval of the channel as the characteristic information of the signal source, which can reduce the influence of jamming on the complementary channel to achieve the purpose of anti-jamming. The transmission and receiving communication model of PRFC-MSFH are established, and the error code performance of PRFC-MSFH under different interference are deduced according to the model. Simulation results show that under the condition of follower jamming, PRFC-MSFH has a gain of about 3—5 dB compared with conventional frequency hopping and a gain of about 6—7 dB compared with MSFH under the condition of the worst multi-tone jamming. It has strong comprehensive anti-jamming ability.

Key words: frequency hopping communication, pseudo-random feature codes, multi-sequence frequency hopping, follower jamming, multi-tone jamming

中图分类号:

TN914.3

王耀北, 全厚德, 孙慧贤, 崔佩璋. 结合伪随机特征码的多序列跳频通信方法[J]. 系统工程与电子技术, 2020, 42(3): 711-718.

Yaobei WANG, Houde QUAN, Huixian SUN, Peizhang CUI. Multi-sequence frequency hopping communication method combined with pseudo-random feature codes[J]. Systems Engineering and Electronics, 2020, 42(3): 711-718.

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状态量	取值
干扰状态	G₁	G₂	G₃	G₄
子信道状态q₀	0	0	1	1
子信道状态q₁	0	1	0	1

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结合伪随机特征码的多序列跳频通信方法

Multi-sequence frequency hopping communication method combined with pseudo-random feature codes

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