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.
Intelligent reflecting surface aided MIMO broadcasting for simultaneous wireless information and power transfer,
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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.