Optimal Low-Hit-Zone Frequency-Hopping Sequence Sets With Wide-Gap for FHMA Systems Under Follower Jamming

Limengnan Zhou,Chongfu Zhang,Qi Zeng,Xing Liu,Hanzhou Wu

IEEE Communications Letters（2022）

引用 2|浏览18

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摘要

This letter is concerned with tackling both of the multi-access interference (MAI) and the follower jamming (FJ) in frequency-hopping multiple-access (FHMA) systems via novel FH sequence (FHS) design. We consider low-hit-zone (LHZ) FHS which provides lower MAIs in quasi-synchronous FHMA systems but suffers from FJ attack. We introduce an improved LHZ-FHS with wide-gap (i.e., WG-LHZ-FHS) for the ne...

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关键词

Jamming,Frequency division multiaccess,Time-frequency analysis,Interference,Autocorrelation,Galois fields,Delay effects

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