MAGRPO accelerates MARL training for fluid antenna-assisted wireless networks by replacing the critic with group relative advantage estimation, cutting training time 30-40% while matching MAPPO sum-rate performance.
Joint beamforming, user association, and antenna position optimization in movable antenna-assisted cell-free massive MIMO,
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MAGRPO: Accelerated MARL Training for Fluid Antenna-Assisted Wireless Network Optimization
MAGRPO accelerates MARL training for fluid antenna-assisted wireless networks by replacing the critic with group relative advantage estimation, cutting training time 30-40% while matching MAPPO sum-rate performance.