Rate Adaptation and Reach Increase by Probabilistically Shaped 64-QAM: An Experimental Demonstration
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Cites background from "Rate Adaptation and Reach Increase ..."
...However, in the case of probabilistic shaping [25]–[27], the probabilities of occurrence of the symbols may differ....
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Cites background or methods from "Rate Adaptation and Reach Increase ..."
...Probabilistic constellation shaping, as one kind of coded modulation scheme and the recent research hotspot, can be used to extend the transmission distance or increase the capacity at the certain transmission distance for the higher-level QAM signals, without increasing the launch power into the fiber-optics or wireless channels [103-108]....
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...In the probabilistic constellation shaping scheme, each dimension of the transmitted higher-level QAM signal constellations is distributed with non-equal probabilities following the Maxwell-Boltzmann distribution [103-106]....
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"Rate Adaptation and Reach Increase ..." refers background in this paper
...In particular, [19] estimates lower bounds on the capacity, while [20] derives an upper...
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