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Real-Time Digital Nyquist-WDM and OFDM Signal Generation: Spectral Efficiency Versus DSP Complexity

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Abstract

We investigated the performance of Nyquist WDM and OFDM with respect to required DSP complexity. We demonstrate Nyquist pulse-shaping requiring less resources than IFFT-based OFDM for a similar performance. Tests are performed with QPSK/16QAM in a three-carrier WDM scenario.

© 2012 Optical Society of America

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