A multi-agent DRL framework for distributed precoding in cell-free massive MIMO within O-RAN achieves higher aggregate throughput than distributed baselines and similar performance to centralized methods with lower signaling overhead.
Evolved universal terrestrial radio access (E-UTRA); further ad- vancements for E-UTRA physical layer aspects (Release 9)
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Distributed Precoding for Cell-free Massive MIMO in O-RAN: A Multi-agent Deep Reinforcement Learning Framework
A multi-agent DRL framework for distributed precoding in cell-free massive MIMO within O-RAN achieves higher aggregate throughput than distributed baselines and similar performance to centralized methods with lower signaling overhead.