Table 3 The ratio of spectral efficiency and implementation complexity of the proposed BF to those of the ZFBF
From: Massive MIMO signal transmission in spatially correlated channel environments
N | 0 (%) | 1 (%) | 2 (%) | 3 (%) | 4 (%) | 5 (%) | 6 (%) | 7 (%) | |
|---|---|---|---|---|---|---|---|---|---|
Spectral efficiency | ρ=0.9 | 60 | 73 | 81 | 87 | 92 | 95 | 99 | 100 |
ρ=0 | 60 | 73 | 81 | 87 | 92 | 95 | 99 | 100 | |
FLOPs | 0.04 | 0.38 | 1.25 | 3.04 | 6.11 | 10.82 | 17.53 | 26.59 |