- A symbol is modulated on to orthogonal sub-carrier.
- Modulation is done by using IFFT.
- High spectral efficiency.
- Demodulation is done by using FFT. ( Demodulation of received signal )
- Low efficiency to time synchronization techniques.
- Better resultant quality of fading.
- Very sensitive to time-frequency synchronization.
- Simplified channel equalization.
- Immunity to intersymbol interference.
- No inter-carrier guard band.
- Orthogonal carrier and control overlapping band.
- Improved quality of narrowband interference.
- Robust against intersymbol interference.
- Fading caused by multi-path propagation.
- Decoding and de-interleaving.
- Orthogonality is maintained during channel transmission.
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