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cs.IT2026
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.IT2026
Optimal Beamforming for Uplink Covert Communication in MIMO GEO Satellite-Terrestrial Systems
Zewei Guo, Ranran Sun, Yulong Shen +1
This paper investigates the uplink covert communication in a multiple-input multiple-output (MIMO) satellite-terrestrial system consisting of an Earth station transmitter Alice, a…