A movable-antenna cell-free ISAC system with a graph-neural-network beamformer is claimed to robustly mitigate uncertain power-amplifier distortion, but the worst-case rate bound rests on a false inequality.
Green communications: Digital predistortion for wideband RF power amplifiers,
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Distributed Distortion-Aware Robust Optimization for Movable Antenna-aided Cell-Free ISAC Systems
A movable-antenna cell-free ISAC system with a graph-neural-network beamformer is claimed to robustly mitigate uncertain power-amplifier distortion, but the worst-case rate bound rests on a false inequality.