Stacked Intelligent Metasurfaces Assisted Integrated-Sensing-and-Resistance Anti Jamming

IF 3.7 3区计算机科学 Q2 TELECOMMUNICATIONS

IEEE Communications Letters Pub Date : 2024-12-20 DOI:10.1109/LCOMM.2024.3520510

Chen Pei;Kaizhi Huang;Liang Jin;Xiaoming Xu;You Zhou;Yuze Guo

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引用次数: 0

Abstract

The existing spatial domain anti-jamming research relies on the prior information of the jamming channel to support the anti-jamming design, which is difficult to deal with the malicious jamming with strong concealment. The study proposes a stacked intelligent metasurfaces (SIM) assisted integrated-sensing-and-resistance (ISAR) anti-jamming scheme. Precisely, to obtain the jamming channel information in real time to assist the receiver in filtering out the jamming, an ISAR receiving system model is established, where the SIM consists of two layers of transmissive RIS (TRIS) is deployed around the receiving antenna, functioning as jamming sensing TRIS and anti jamming TRIS in cascade. Then a TRIS based jamming sensing method is proposed to accurately estimate the channel information. And a TRIS anti jamming phase shift optimization algorithm is proposed to optimize the phase shift according to the acquired jamming information, so as to effectively filter out the jamming signal. Simulation results show that the anti-jamming performance of the proposed scheme can approximate the scheme with perfect jamming channel state information under the premise of completely unknown prior information of the jamming channel.

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来源期刊

IEEE Communications Letters 工程技术-电信学

CiteScore

8.10

自引率

7.30%

发文量

590

审稿时长

2.8 months

期刊介绍： The IEEE Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of communication over different media and channels including wire, underground, waveguide, optical fiber, and storage channels. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of communication systems.