Leakage-Constrained Secure Transmission for Pinching Antenna Systems With Joint User Selection, Precoding, and Antenna Positioning
Pinching antenna systems (PASSs) provide spatially reconfigurable transmission by activating movable pinching antennas along dielectric waveguides. This study investigates secure multi-user downlink transmission in PASS-enabled networks with colluding eavesdroppers. Instead of relying only on secrecy-rate maximization,...