LTE signal based passive bistatic radar co-channel interference suppression method

Xiao Zhang; Xiangfeng Xi

doi:10.1117/12.2682911

16 June 2023 LTE signal based passive bistatic radar co-channel interference suppression method

Xiao Zhang, Xiangfeng Xi

Proceedings Volume 12703, Sixth International Conference on Intelligent Computing, Communication, and Devices (ICCD 2023); 127030L (2023) https://doi.org/10.1117/12.2682911
Event: Sixth International Conference on Intelligent Computing, Communication, and Devices (ICCD 2023), 2023, Hong Kong, China

Abstract

In the LTE passive bistatic radar, the monitoring signal contains not only the main base station direct wave signal as well as multipath interference clutter, but also the direct wave signal and multipath interference signal from other co-channel base stations. When the detection environment is non-smooth and interference samples are not available, the conventional time domain filtering method cannot effectively suppress the clutter and co-channel interference. In order to solve this problem, this paper proposes a space-time cascaded spurious and co-channel interference suppression method. The method can not only effectively resist the effect of non-smooth clutter, but also suppress the co-channel interference suppression problem existing in LTE deployment stations. Theoretical analysis and simulation experiments verify the suppression performance of the proposed method for clutter interference.

Citation Download Citation

Xiao Zhang and Xiangfeng Xi "LTE signal based passive bistatic radar co-channel interference suppression method", Proc. SPIE 12703, Sixth International Conference on Intelligent Computing, Communication, and Devices (ICCD 2023), 127030L (16 June 2023); https://doi.org/10.1117/12.2682911

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KEYWORDS

Clutter

Tunable filters

Electronic filtering

Radar signal processing

Antennas

Signal detection

Target detection

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