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

Abstract

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

CLC Number:

TN914.3

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.

Figures/Tables 11

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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

[1]	Xinfeng FAN, Zhiliang TAN. Follower jamming suppression method via digital cancellation [J]. Systems Engineering and Electronics, 2020, 42(6): 1235-1240.
[2]	ZHAO Huan, QUAN Hou-de, CUI Pei-zhang. Follower-jamming resistible multi-sequence frequency-hopping wireless communication [J]. Systems Engineering and Electronics, 2015, 37(3): 671-678.

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

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