Time-Domain Channel Estimation Scheme for OFDM over Fast Fading Channels

Table 1

OFDM simulation parameters.

Parameters	Specifications
IFFT, FFT size (N)	1024
Subcarrier spacing	10.94 kHz
Signal constellation	16 QAM, 64 QAM
Effective symbol duration	91.40  s
Guard interval	5.71  s
Sampling interval	89.26 ns
Bandwidth	11.20 MHz
Number of OFDM symbols	3000
Carrier frequency	3 GHz