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Conferences > OFC > 2015 > W3K > W3K.4

Joint Coding Rate and Modulation Format Optimization for 8QAM Constellations Using BICM Mutual Information

Rafael Rios-Müller, Jeremie Renaudier, Laurent Schmalen, and Gabriel Charlet

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Abstract

We compare the BICM mutual information of different 8QAM constellations and we show that Circular-8QAM is attractive for high coding rates while quadrature optimized Rect-8QAM provides best performance for low coding rates, both outperforming Star-8QAM.

© 2015 Optical Society of America

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