Generative AI for Physical-Layer Authentication

Fuente: arXiv
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Autores principales: Meng, Rui, Cheng, Xiqi, Gao, Song, Xu, Xiaodong, Dong, Chen, Nan, Guoshun, Tao, Xiaofeng, Zhang, Ping, Quek, Tony Q. S.
Formato: Preprint
Publicado: 2025
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author Meng, Rui
Cheng, Xiqi
Gao, Song
Xu, Xiaodong
Dong, Chen
Nan, Guoshun
Tao, Xiaofeng
Zhang, Ping
Quek, Tony Q. S.
author_facet Meng, Rui
Cheng, Xiqi
Gao, Song
Xu, Xiaodong
Dong, Chen
Nan, Guoshun
Tao, Xiaofeng
Zhang, Ping
Quek, Tony Q. S.
contents Recently, Artificial Intelligence (AI)-driven Physical-Layer Authentication (PLA), which focuses on achieving endogenous security and intelligent identity authentication, has attracted considerable interest. When compared with Discriminative AI (DAI), Generative AI (GAI) offers several advantages, such as fingerprint augmentation, reconstruction, and denoising. Inspired by these innovations, this paper provides a systematic exploration of GAI's integration with PLA. We commence with a concise review of identity authentication techniques and GAI models. Then, we contrast the limitations of DAI with the potential of GAI in addressing PLA challenges. Specifically, we introduce a structured taxonomy for GAI-enhanced PLA methodologies, encompassing three key stages: fingerprint collection, model training, and performance optimization within the PLA pipeline. Furthermore, we propose a novel PLA framework based on GAI and channel extrapolation for dynamic environments. To demonstrate GAI's efficacy in enhancing PLA robustness, we implement a case study using the Generative Diffusion Model (GDM). Finally, we outline potential future research directions for GAI-based PLA.
format Preprint
id arxiv_https___arxiv_org_abs_2504_18175
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Generative AI for Physical-Layer Authentication
Meng, Rui
Cheng, Xiqi
Gao, Song
Xu, Xiaodong
Dong, Chen
Nan, Guoshun
Tao, Xiaofeng
Zhang, Ping
Quek, Tony Q. S.
Signal Processing
Recently, Artificial Intelligence (AI)-driven Physical-Layer Authentication (PLA), which focuses on achieving endogenous security and intelligent identity authentication, has attracted considerable interest. When compared with Discriminative AI (DAI), Generative AI (GAI) offers several advantages, such as fingerprint augmentation, reconstruction, and denoising. Inspired by these innovations, this paper provides a systematic exploration of GAI's integration with PLA. We commence with a concise review of identity authentication techniques and GAI models. Then, we contrast the limitations of DAI with the potential of GAI in addressing PLA challenges. Specifically, we introduce a structured taxonomy for GAI-enhanced PLA methodologies, encompassing three key stages: fingerprint collection, model training, and performance optimization within the PLA pipeline. Furthermore, we propose a novel PLA framework based on GAI and channel extrapolation for dynamic environments. To demonstrate GAI's efficacy in enhancing PLA robustness, we implement a case study using the Generative Diffusion Model (GDM). Finally, we outline potential future research directions for GAI-based PLA.
title Generative AI for Physical-Layer Authentication
topic Signal Processing
url https://arxiv.org/abs/2504.18175