Power Allocation in Massive MIMO-HWSN Based on the Water-Filling Algorithm

Table 1

Parameters of the simulation system.

Macrocell radius	500 m
Number of orthogonal pilots	12
Path loss exponent	3.5
Number of paths per user	50
Angle spread	10 degrees
Variance of shadow fading	8 dB
Transmit power at SSNs	10 mW
Antenna spacing