Research Article
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 |
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