A Robust Channel Estimation Scheme for 5G Massive MIMO Systems

Table 1

Simulation parameters.

Parameter	Value
Number of BS antennas, M	128
Number of UE antennas, N	2–12
Number of UE, K	20
Channel sparsity, s	15
Interchannel common sparsity,	6
SNR	28 dB
Pilot length, T	45
Channel model	Narrowband flat block fading