Covert wireless communication in presence of a multi-antenna adversary and delay constraints

Khurram Shahzad, Xiangyun Zhou, Shihao Yan*

*Corresponding author for this work

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Covert communication hides the transmission of a message from a watchful adversary, while ensuring reliable information decoding at the receiver, providing enhanced security in wireless communications. In this work, covert communication in the presence of a multi-antenna adversary and under delay constraints is considered. Under the assumption of quasi-static wireless fading channels, we analyze the effect of increasing the number of antennas employed at the adversary on the achievable throughput of covert communication. It is shown that in contrast to a single-antenna adversary, a slight increase in the number of adversary's antennas drastically reduces the covert throughput, even for relaxed covertness requirements.

Original languageEnglish
Pages (from-to)12432-12436
Number of pages5
JournalIEEE Transactions on Vehicular Technology
Volume68
Issue number12
DOIs
Publication statusPublished - Dec 2019

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