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Open access Aug 2026

Joint UAV Placement and Active IRS Gain Optimization for Covert Communications

Wireless sensing networks increasingly extend into obstacle-prone deployments, where physical blockage degrades reliability and open propagation exposes transmission activity. Intelligent reflecting surfaces (IRSs) establish programmable paths around obstacles while passive elements remain constrained by severe cascade...

Guojie Qu, Mei Shen, Kai Liu et al. · 0 citations
Preprint Jul 2026

A Covert Precision Satellite Communication Framework Assisted by Cooperative IRSs

Satellite communication (SatCom), as an effective complement to terrestrial networks, has attracted considerable attention from both academia and industry owing to its wide coverage and high flexibility. However, the inherent openness of satellite links renders them highly vulnerable to eavesdropping, thereby posing si...

Haoyang Wu, Yunfan Bai, Mei Shen et al. · 0 citations

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