Experimental Comparison of 64-QAM and Combined Geometric-Probabilistic Shaped 64-QAM
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© 2017 IEEE. We present a novel format of combined geometric-probabilistic shaped QAM constellation. We measure about 1 dB sensitivity gain compared to conventional 64-QAM at 54.2 GBaud and 25% of overhead under different scenarios including back-to-back, single-channel and WDM transmissions.
author list (cited authors)
Jarcel, F., Eriksson, T. A., Buchali, F., Ldler, W., Ghaztsaeidi, A., Méasson, C., & Boutros, J. J.