Research on Anti-intercept Performance of Multi-layer WFRFT-MIMO Satellite Communication System

ZHAI Dong; DA Xinyu; Zhang Zhe; Liang Yuan; Xue Fengfeng

doi:10.15892/j.cnki.djzdxb.2021.01.015

Journal of Projectiles, Rockets, Missiles and Guidance >

2021 , Vol. 41 >Issue 1: 70 - 75

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2021.01.015

Research on Anti-intercept Performance of Multi-layer WFRFT-MIMO Satellite Communication System

ZHAI Dong ¹ ,
DA Xinyu ¹ ,
Zhang Zhe ² ,
Liang Yuan ¹ ,
Xue Fengfeng ¹

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¹ Information and Navigation College, Air Force Engineering University, Xi’an 710077, China
² No. 95129 Unit, Henan Kaifeng 475003, China

Received date: 2018-06-11

Online published: 2025-02-11

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Abstract

This paper proposes a new kind of anti-interception communication system based on Multi-layer weighted-type fractional Fourier transform (WFRFT) and multiple input multiple output (MIMO). ML-WFRFT improves anti-interception performance of the signal and MIMO improves spectrum utilization. The recognition method based on higher-order cumulants (HOC) is improved, and the anti-interception performance of the communication system is quantitatively analyzed through the recognition probability. As the modulation order increases, the anti-intercept performance is continuously enhanced. When the two modulation orders are 0.7 and 0.8, respectively, the signal-to-noise ratio is in the range of [0,2], the correct recognition probability of QPSK signal is less than 0.06.

Key words： satellite communication; WFRFT; MIMO; anti-interception; recognition probability

Cite this article

ZHAI Dong , DA Xinyu , Zhang Zhe , Liang Yuan , Xue Fengfeng . Research on Anti-intercept Performance of Multi-layer WFRFT-MIMO Satellite Communication System[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2021 , 41(1) : 70 -75 . DOI: 10.15892/j.cnki.djzdxb.2021.01.015

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