Physical-layer Security from Channel Resolvability

Abstract

This paper discusses the performance of achieving physical layer security from channel resolvability in terms of secrecy and offers a kind of classification for different detection methods, including conventional hypothesis testing and active hypothesis testing. The difference between them is whether or not the detection time is a random variable. Moreover, this paper has a discussion on the applications of the practical case studies based on polar code from the channel resolvability, such as wireless channels with or without state information, point to point channel with an eavesdropper, multiple access channel with an eavesdropper, and communication networks at the physical layer. The channel resolvability is shown to be a promising method to achieve secrecy and covertness in the physical-layer.