2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and 2019
DOI: 10.23919/ps.2019.8817878
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Partial Multilevel Coding with Probabilistic Shaping for Low-power Optical Transmission

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Cited by 8 publications
(20 citation statements)
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“…The proposed MLC-PS scheme is explained in this section. Since the power consumption with soft FEC is significantly larger than with hard FEC, we protect only one bit tributary by soft FEC, to reduce the power consumption relative to, e.g., [10]. We combine two symbol mapping rules as described in [10], which improves the performance.…”
Section: Principle Of Mlc-psmentioning
confidence: 99%
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“…The proposed MLC-PS scheme is explained in this section. Since the power consumption with soft FEC is significantly larger than with hard FEC, we protect only one bit tributary by soft FEC, to reduce the power consumption relative to, e.g., [10]. We combine two symbol mapping rules as described in [10], which improves the performance.…”
Section: Principle Of Mlc-psmentioning
confidence: 99%
“…The BICM-PS scheme realizes capacity-approaching performance, but causes an FEC throughput increase which leads to large power consumption [4,5]. To reduce the power consumption, joint source-channel coding [6], shallow shaping having granular base constellations [7], and multilevel coding (MLC) [8][9][10] have been investigated. While MLC with multi-stage decoding (MSD) has received attention [10,11], MLC-MSD with PS has not been studied in depth yet.…”
Section: Introductionmentioning
confidence: 99%
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“…Here multilevel coding (MLC) [12,13] can achieve better performance tradeoff by reducing the throughput of SD-FEC. There is room for further improvement of the MLC scheme [13] to coexist with constellation shaping for low SEs or peak power constrained channels.…”
Section: Introductionmentioning
confidence: 99%
“…In most works with bit-interleaved coded modulation (BICM) [6] or BICM with PS [1,2], the auxiliary channel would be assumed to be matched to the channel at least approximately when deriving the GMI. Recently, works on multilevel (binary) coding (MLC) with a bitwise receiver have seen increased attention, since such schemes may show an appealing balance of performance versus power consumption [7][8][9][10]. They typically protect the least significant bit tributary by a soft FEC and the others by hard FEC with the help of multistage decoding.…”
Section: Introductionmentioning
confidence: 99%