Limited Feedback Precoding for Massive MIMO

Table 1

Simulation configuration.

Parameter	Value
Channel model	UMa NLOS; UMi NLOS; InH NLOS
BS antenna setup	URA, 64 copolarized antennas, and 𝜆/2 spacing
UE antenna setup	Single antenna
System frequency (GHz)	2.1
Number of channel realizations	1000
Number of UEs	10
Scheduling criteria	Minimizing the codeword correlation coefficient
Number of DFT matrices
DFT-ULA	𝐺=2^𝐵
DFT-URA	𝐺𝑥=𝐺𝑦=2^𝐵/2
Size of DFT matrices
DFT-ULA	𝑁=64, 𝑀=1
DFT-URA	𝑁𝑥=𝑁𝑦=8, 𝑀𝑥=𝑀𝑦=1