Performance on ICI Self-Cancellation in FFT-OFDM and DCT-OFDM System

Table 2

CIR comparison among all FFT-OFDM and DCT-OFDM at the last (63th) subcarrier.

Normalized freq. offset	FFT-OFDM CIR (dB)	FFT-OFDM with SC GS2 CIR (dB)	FFT-OFDM with proposed SC CIR (dB)	DCT-OFDM CIR (dB)
0.03	26.5240	44.1881	48.3871	52.5000
0.04	23.6921	41.3454	45.5374	46.8288
0.05	21.5560	39.1950	43.3778	42.5466
0.07	18.4010	36.0016	40.1591	36.2092
0.09	16.0756	33.6250	37.7484	31.5205
0.15	11.3572	28.6844	32.6523	21.8958
0.30	4.6120	21.1125	24.3512	7.0959