A Wire-Line Secure Communication System Based on CCFD Self-Interference Cancellation
نویسندگان
چکیده
This paper presents a design scheme of wire-line telephone system using self-interference (SI) cancellation technology in co-frequency co-time full-duplex (CCFD) to realize absolute secure communication at the physical layer. can hide target signal by skillfully releasing high-power artificial noise whole link receiving node, and then make use receiver’s knowledge SI achieve high dB with help analog domain CCFD domain, so that signal-to-noise ratio (SNR) received eavesdropper any position is far lower than legitimate receiver, as absolutely sense Wyner principle. not only puts forward specific telephone, but also analyzes calculation security capacity under different eavesdropping positions, capability parameters according Shannon theory.
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ژورنال
عنوان ژورنال: Wuhan University Journal of Natural Sciences
سال: 2021
ISSN: ['1007-1202', '1993-4998']
DOI: https://doi.org/10.1051/wujns/2021266507