Movable antenna systems exhibit a fundamental tradeoff between movement duration for improved channels and transmission time, optimized via 1D search or a fitting method that yields a closed-form speed threshold below which stationary antennas are optimal.
Fluid antennas-enabled multiuser uplink: A low-complexity grad ient descent for total transmit power minimization,
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Fundamental Tradeoff in Movable Antenna Systems: How Long to Move Before Transmission?
Movable antenna systems exhibit a fundamental tradeoff between movement duration for improved channels and transmission time, optimized via 1D search or a fitting method that yields a closed-form speed threshold below which stationary antennas are optimal.