Sensing-aided covert communication with pinching-antenna systems: an extended Kalman filter tracks a mobile warden via near-field echoes, and beamforming, artificial noise, and antenna placement are jointly optimized to keep the transmission hidden.
Theoretical ana lysis on localization error bound for wireless system using leaky co axial cable,
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Pinching Antenna System (PASS) Enhanced Covert Communications: Against Warden via Sensing
Sensing-aided covert communication with pinching-antenna systems: an extended Kalman filter tracks a mobile warden via near-field echoes, and beamforming, artificial noise, and antenna placement are jointly optimized to keep the transmission hidden.