Multi-Beam Cooperative Time-Varying Directional Modulation for Secure Satellite Downlink Transmission to UAV Swarms
Satellite downlinks reliably connect remote unmanned aerial vehicle (UAV) swarms, but broad coverage exposes information-bearing signals to unauthorized receivers. This paper proposes a multi-beam cooperative time-varying directional modulation (TVDM) framework for secure satellite downlinks. Two asymmetrically partiti...