A Study of an Iterative Channel Estimation Scheme of FS-FBMC System

Table 1

Simulation parameters.

Parameter	Value
The number of subchannels	256 or 1,024 or 4,096
Constellation mapping	256 QAM
Sampling period [μs]	0.1458 (=7/48)
Pilot spacing in frequency domain (subchannels)	2 for 256 subchannels; 4 for 1,024/4,096 subchannels
Pilot spacing in time domain (subchannels)	8 (for 256/1,024/4,096 subchannels)
CSI interpolation method in frequency domain	Cubic spline interpolation method
CSI interpolation method in time domain	Linear interpolation method
Equalization method	Zero forcing method
Brazil-D Channel path delay [μs]	[0.15, 0.63, 2.22, 3.05, 5.86, 5.93]
Brazil-D Channel path power [dB]	[−0.1, −3.8, −2.6, −1.3, 0.0, −2.8]
Brazil-D fading model	Static