Table 1 Simulation parameters
From: Downlink transmission and channel estimation for cell-free massive MIMO-OFDM with DSDs
Number of RAUs | 8 |
Number of UEs | 4 |
Number of antennas per RAU | 4 |
Number of subcarriers per RB | 12 |
Granularity of precoding | 2, 4, 6, 8 (RBs) |
Granularity of channel estimation | 2, 4, 8, 12, 24 (RBs) |
Radium of background | 12 (m) |
Path loss exponent | \(-\) 3.7 |
FFT points | 4096 |
Power constraint for RAUs | 10(W) |
DMRS interpolation interval | 4 |