Table 4 The ratio of spectral efficiency obtained by the proposed BF with imperfect CSI to that with perfect CSI, where N T =64 and ρ=0.7
From: Massive MIMO signal transmission in spatially correlated channel environments
N | 0 (%) | 1 (%) | 2 (%) | 3 (%) | 4 (%) | 5 (%) | 6 (%) | 7 (%) | |
|---|---|---|---|---|---|---|---|---|---|
Spectral efficiency | σ mse=−10 dB | 96 | 95 | 93 | 90 | 88 | 86 | 84 | 83 |
σ mse=−5 dB | 84 | 79 | 75 | 72 | 68 | 66 | 63 | 62 |