Experimental Verification of Rate Flexibility and Probabilistic Shaping by 4D Signaling
classification
💻 cs.IT
math.IT
keywords
rateflexibilityprobabilisticshapingsignalingachievedbitsdimensional
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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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