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Digital Signal processing is going on spreading from long reach systems to short reach systems like inter-/intra-data center systems. The cost requirements for short reach systems are more stringent than requirements for long reach systems. And digital signal processing is attractive for cost reduction of optical and electrical components. In this paper, digital signal processing, especially Discrete...
We experimentally compare the performance of NGI-OFDM and Nyquist-WDM superchannels with same spectral efficiency in both back-to-back and transmission cases. Because of lower inter-carrier interference, the Nyquist-WDM has better performance than the NGI-OFDM.
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