Diversity and Multiplexing Technologies by 3D Beams in Polarized Massive MIMO Systems

Table 1

Simulation parameters.

Parameters	Value
Carrier frequency	1.8 GHz
System bandwidth	20 MHz
FFT size	2048
Number of data carriers	1200
Number of samples in CP	144
Subcarrier spacing	15 kHz
BS antenna configuration (PM-MIMO)	1 MUX 32 AE 3 branches
BS AE spacing	Half wavelength
User’s antenna configuration	1 AE 3 branches
Number of users	4 for 3D-BF diversity
	12 for 3D-BF multiplexing
Radius of user’s local area ()	15 m
Antenna type	Dipole
Modulation	QPSK
Number of scatterers	Outdoor: 4 clusters with 16 scatterers per cluster (64 in total)
Scattering sphere radius	10 m
Velocity of UEs	3, 60, and 120 km/h
Fading	Flat
XPD value	5.8 dB and 9.7 dB for NLOS and LOS
Correlation	0.32 and 0.34 for NLOS and LOS
Rician -factor	9 dB