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Frequency domain equalization (FDE) based pre-equalization is proposed for 100 Gb/s class coherent OFDM. Numerical simulation showed that pre-equalization for chromatic dispersion slightly outperforms post-equalization thanks to its smaller inter-block interference.
Broadband packet data services are demanded in the next generation mobile communications systems. Multi-carrier CDMA (MC-CDMA) is considered to be a promising wireless technique. Hybrid ARQ (HARQ) is a powerful error control technique. It is known that the HARQ throughput performance of MC-CDMA degrades due to the residual inter-code interference (ICI) after frequency-domain equalization (FDE). The...
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