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Table 5 Key parameters

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

Parameter types

Value

Macro cell radius

R = 500 m

Small cell radius

R = 40 m

Total system bandwidth

10 MHz

Subcarrier number

600

Subcarrier bandwidth

15 KHz

Noise covariance

− 127 dBm

MBS circuit power

ρ0 = 189 mW

SBS circuit power

ρj = 5.6 mW, j ≠ 0

Efficiency of MBS power amplifier

η0 = 0.388

Efficiency of SBS power amplifier

ηj = 0.052, j ≠ 0