Experimental Verification of Rate Flexibility and Probabilistic Shaping by 4D Signaling

Published 18 Mar 2018 in cs.IT and math.IT | (1803.06746v1)

Abstract: The rate flexibility and probabilistic shaping gain of $4$-dimensional signaling is experimentally tested for short-reach, unrepeated transmission. A rate granularity of 0.5 bits/QAM symbol is achieved with a distribution matcher based on a simple look-up table.

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