Autoencoder based Friendly Jamming

Physical layer security (PLS) provides lightweight security solutions in which security is achieved based on the inherent random characteristics of the wireless medium. In this paper, we consider the PLS approach called friendly jamming (FJ), which is more practical thanks to its low computational c...

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Bibliographic Details
Main Authors: Tuan, Bui Minh, Tuyen, Ta Duc, Trung, Nguyen Linh, Ha, Nguyen Viet
Format: Conference Proceeding
Language:English
Subjects:
autoencoder
Estimation
friendly jamming
mutual information neural estimation
Physical layer security
Receivers
Reliability
Security
Transmitters
Wireless communication
wiretap channel
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Summary:Physical layer security (PLS) provides lightweight security solutions in which security is achieved based on the inherent random characteristics of the wireless medium. In this paper, we consider the PLS approach called friendly jamming (FJ), which is more practical thanks to its low computational complexity. State-of-the-art methods require that legitimate users have full channel state information (CSI) of their channel. Thanks to the recent promising application of the autoencoder (AE) in communication, we propose a new FJ method for PLS using AE without prior knowledge of the CSI. The proposed AE-based FJ method can provide good secrecy performance while avoiding explicit CSI estimation. We also apply the recently proposed tool for mutual information neural estimation (MINE) to evaluate the secrecy capacity. Moreover, we leverage MINE to avoid end-to-end learning in AE-based FJ.
ISSN:1558-2612
DOI:10.1109/WCNC45663.2020.9120554