Multi-Agent Reinforcement Learning-Based Pilot Assignment for Cell-Free Massive MIMO Systems - Rahmani, Mostafa; Dehghani, Mohammad Javad; Xiao, Pei; Bashar, Manijeh; Debbah, Merouane (IEEE access, 2022)
Keywords: Algorithms; Antennas; Cell-free massive MIMO; Contamination; Data communication; deep reinforcement learning; Fading channels; Interference; Machine learning; MIMO communication; Multiagent systems; pilot assignment; pilot contamination; Reinforcement learning; Spectral efficiency; Uplink; Wireless communication