Movable antenna positions and hybrid beamformers are jointly optimized to maximize secrecy rate in near-field MIMO, achieving secure transmission when the eavesdropper is in the same direction and closer to the base station.
Channel estimation for movable antenna com- munication systems: A framework based on compressed sens- ing,
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Movable Antenna Empowered Secure Near-Field MIMO Communications
Movable antenna positions and hybrid beamformers are jointly optimized to maximize secrecy rate in near-field MIMO, achieving secure transmission when the eavesdropper is in the same direction and closer to the base station.