A sparse multi-dimensional graph neural network reduces computational complexity of joint power control and precoding in cell-free massive MIMO by about 48% with only a 2.11% spectral efficiency loss.
Channel map-based angle domain multiple access for cell-free massive mimo communications,
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Joint Power Control and Precoding for Cell-Free Massive MIMO Systems With Sparse Multi-Dimensional Graph Neural Networks
A sparse multi-dimensional graph neural network reduces computational complexity of joint power control and precoding in cell-free massive MIMO by about 48% with only a 2.11% spectral efficiency loss.