Binary-Sequence Frequency Hopping Communication Method Based on Pseudo-Random Linear Frequency Modulation

doi:10.1007/s12204-020-2250-8

J Shanghai Jiaotong Univ Sci ›› 2021, Vol. 26 ›› Issue (4): 534-542.doi: 10.1007/s12204-020-2250-8

• Computer & Communication Engineering • Previous Articles Next Articles

Binary-Sequence Frequency Hopping Communication Method Based on Pseudo-Random Linear Frequency Modulation

TANG Zhiqiang * (唐志强), QUAN Houde (全厚德), SUN Huixian (孙慧贤), CUI Peizhang (崔佩璋)

(1. China Department of Electronic and Optical Engineering, the Army Engineering University of PLA, Shijiazhuang
050003, China; 2. National Key Laboratory of Science and Technology on Communication, University of
Electronic Science and Technology of China, Chengdu 611731, China)
(1. China Department of Electronic and Optical Engineering, the Army Engineering University of PLA, Shijiazhuang
050003, China; 2. National Key Laboratory of Science and Technology on Communication, University of
Electronic Science and Technology of China, Chengdu 611731, China)

Online:2021-08-28 Published:2021-06-13
Contact: TANG Zhiqiang * (唐志强) E-mail:1196576931@qq.com

Abstract

Abstract: To improve the signal detection performance of binary-sequence frequency hopping communication when the complementary channel is jammed, a binary-sequence frequency hopping communication system based on pseudo-random liner frequency modulation (LFM) is proposed. The transmitting end uses the chirp signal to carry out the in-band spread spectrum of the binary-sequence frequency hopping signal, and then sends it out through the radio frequency front end. At the receiving end, the received signal is dehopped and processed by fractional Fourier transform. The source information is obtained by sampling decision. Firstly, a binarysequence frequency hopping system model based on pseudo-random LFM is constructed. Secondly, the bit error rate expression of anti-partial band jamming and follower jamming under the Rice channel is derived. The results show that this method has at least 5 dB performance gain than binary sequence frequency hopping for different parameter settings under partial band jamming and follower jamming, and the anti-jamming performance is significantly better than the conventional frequency hopping communication.

Key words: binary-sequence frequency hopping | liner frequency modulation (LFM) | fractional fourier transform | partial band jamming | follower jamming

摘要： To improve the signal detection performance of binary-sequence frequency hopping communication when the complementary channel is jammed, a binary-sequence frequency hopping communication system based on pseudo-random liner frequency modulation (LFM) is proposed. The transmitting end uses the chirp signal to carry out the in-band spread spectrum of the binary-sequence frequency hopping signal, and then sends it out through the radio frequency front end. At the receiving end, the received signal is dehopped and processed by fractional Fourier transform. The source information is obtained by sampling decision. Firstly, a binarysequence frequency hopping system model based on pseudo-random LFM is constructed. Secondly, the bit error rate expression of anti-partial band jamming and follower jamming under the Rice channel is derived. The results show that this method has at least 5 dB performance gain than binary sequence frequency hopping for different parameter settings under partial band jamming and follower jamming, and the anti-jamming performance is significantly better than the conventional frequency hopping communication.

关键词: binary-sequence frequency hopping | liner frequency modulation (LFM) | fractional fourier transform | partial band jamming | follower jamming

CLC Number:

TN 914.4

TANG Zhiqiang (唐志强), QUAN Houde (全厚德), SUN Huixian (孙慧贤), CUI Peizhang (崔佩璋) . Binary-Sequence Frequency Hopping Communication Method Based on Pseudo-Random Linear Frequency Modulation[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(4): 534-542.

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Binary-Sequence Frequency Hopping Communication Method Based on Pseudo-Random Linear Frequency Modulation

Binary-Sequence Frequency Hopping Communication Method Based on Pseudo-Random Linear Frequency Modulation

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