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cs.IT2026
PASS-Enabled Covert Communications With Distributed Cooperative Wardens
Ji He
This paper investigates PASS-enabled downlink covert communication in the presence of distributed surveillance, where multiple wardens perform signal detection and fuse their local…
cs.IT2024
On Achievable Covert Communication Performance under CSI Estimation Error and Feedback Delay
Jiaqing Bai, Ji He, Yanping Chen +2
Covert communication's effectiveness critically depends on precise channel state information (CSI). This paper investigates the impact of imperfect CSI on achievable covert communi…
cs.IT2018
Link Selection for Secure Cooperative Networks with Buffer-Aided Relaying
Ji He, Jia Liu, Yulong Shen +1
This paper investigates the secure communication in a two-hop cooperative wireless network, where a buffer-aided relay is utilized to forward data from the source to destination, a…