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Table 5 Key parameters

From: CMBF-based dynamic selection for heterogeneous massive MIMO systems

Parameter typesValue
Macro cell radiusR = 500 m
Small cell radiusR = 40 m
Total system bandwidth10 MHz
Subcarrier number600
Subcarrier bandwidth15 KHz
Noise covariance− 127 dBm
MBS circuit powerρ0 = 189 mW
SBS circuit powerρj = 5.6 mW, j ≠ 0
Efficiency of MBS power amplifierη0 = 0.388
Efficiency of SBS power amplifierηj = 0.052, j ≠ 0