Probabilistic Shaping Using a Block-Based Bit-Level Distribution Matcher

Goukhshtein, Maxim; Draper, Stark C.; Mitra, J.

doi:10.1109/cwit55308.2022.9817659

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Rate-adaptive Accesses For Flexible Cpon1

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2022

2024

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Cited by 3 publications

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“…The task of the DM is to transform a sequence of bits into a probabilistic shaped amplitude at the transmitter and to carry out the inverse operation at the receiver [73] . Given CCDM's serial nature, complexity increases with block size [74] , creating a complexity-rate tradeoff. In FLCS-PON, we support 2 dB rate-change fitness, accepting short blocks for lower complexity.…”

Section: Rate-adaptive Accesses For Flexible Cponmentioning

confidence: 99%

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2024

中国光学快报

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Increasing bandwidth requirements have posed significant challenges for traditional access networks. It is difficult for intensity modulation/direct detection to meet the power budget and flexibility requirements of the next-generation passive optical network (PON) at 100G and beyond considering the new requirements. This is driving researchers to develop novel optical access technologies. Low-cost, wide-coverage, and high-flexibility coherent PON is emerging as a strong contender in the competition. In this article, we will review technologies that reduce the complexity of coherent PON (CPON), enabling it to meet the commercial requirements. Also, advanced algorithms and architectures that can enhance system coverage and flexibility are also discussed.

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Section: Rate-adaptive Accesses For Flexible Cponmentioning

confidence: 99%