Design of Joint Spatial and Power Domain Multiplexing Scheme for Massive MIMO Systems

Table 2

Major simulation parameters.

Parameters	Values
Tx power	46 dBm for 3D-UMa 500 m
Duplex	FDD
BS antenna configurations	Antenna elements config:  (±45),   0.5λH/0.8λV
Traffic model	Full buffer model
Wrapping method	Geographical distance based
Metrics	5%, 50% UPT
System bandwidth	10 MHz (50 PRBs)
UE attachment	Based on RSRP
Number of UEs per cell	4/8/12/16
Network synchronization	Synchronized
UE speed	3 km/h
UE distribution	According to 36.873 [20]
Receiver	Nonideal channel estimation and interference modeling, detailed guidelines according to Rel-12 assumptions
	MMSE-IRC and IC receiver, and detailed guidelines according to Rel-12 assumptions [21]
UE Rx antenna configuration	1 Rx
Feedback	PUSCH 3-2
	CQI, PMI, and RI reporting triggered per 5 ms
	Feedback delay is 5 ms
	Rel-10 8 Tx codebook
Transmission scheme	Dynamic SU/MU-MIMO with rank adaptation
Overhead	3 symbols for DL CCHs, 2 CRS ports, and DM-RS with 12 REs per PRB
CSI-RS	5 msec
SRS	1 Tx, 5 ms periodicity, wideband