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

Table 1

CIR comparison among all FFT-OFDM and DCT-OFDM at the first (0th) 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)
0.1	15.1044	32.6236	36.7266	125.4124
0.2	8.6474	25.7274	29.5058	113.0451
0.3	4.6120	21.1125	24.3512	105.9674