Presentation Information

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)Candidate for Academic Incentive Award

[B-1C-21]A Study on Eavesdropping Countermeasures for Wireless Physical-Layer Secret Key Agreement in Correlated Channels

◎Popuri Sakai¹, Hideichi Sasaoka¹, Hisato Iwai¹, Shinsuke Ibi¹ (1. Doshisha Univ.)

Keywords:

Wireless physical-layer security,Secret key agreement,Eavesdropping countermeasures,Correlated channel,Nakagami-Rice fading

In this study, we investigate eavesdropping countermeasures for wireless physical-layer secret key agreement under Nakagami-Rice fading environments with a dominant direct-path component. Specifically, we consider two methods: observing the amplitude of the channel coefficient and removing the most significant bit of the quantized codeword, and evaluate their resistance to eavesdropping through simulations. The results show that the proposed methods reduce the information leakage to an eavesdropper located outside the vicinity of the legitimate receiver, thereby enabling secret key generation while maintaining the Secret Key Capacity (SKC) even in correlated channels.

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