From: Distributed MMSE-based uplink receive combining, downlink transmit precoding and optimal power allocation in cell-free massive MIMO systems
L = 50, N = 8, K = 50
L = 50, N = 16, K = 50
MR
0.4|0.8
0.9|1.4
1.0|1.5
LMMSE
0.4|2.4
1.4|3.5
1.6|3.9
MMSE
0.9|4.0
2.6|6.5
2.8|7.2