2016•Optical Fiber Communication ConferenceRequires access

Experimental Quantification of Implementation Penalties from Limited ADC Resolution for Nyquist Shaped Higher-Order QAM

Xi Chen, S. Chandrasekhar, Sebastian Randel, Wenjun Gu, Peter J. Winzer

Abstract

We experimentally characterize implementation penalties due to a limited effective number of bits (ENOB) of the analog-to-digital converter (ADC) for Nyquist shaped 16-, 64-, and 256-ary quadrature amplitude modulation (QAM).

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Key concepts: Effective number of bits, Quadrature amplitude modulation, QAM, Nyquist frequency, Nyquist–Shannon sampling theorem, Electronic engineering, Computer science, Amplitude modulation