Probabilistically Shaped Rate-Adaptive Polar-Coded 256-QAM WDM Optical Transmission System

Shajeel Iqbal; Pawel Marcin Kaminski; Frederik Klejs; Metodi Plamenov Yankov; Edson Porto da Silva; Francesco Da Ros; Leif Katsuo Oxenløwe; Søren Forchhammer

doi:10.1109/jlt.2019.2959829

Probabilistically Shaped Rate-Adaptive Polar-Coded 256-QAM WDM Optical Transmission System

Shajeel Iqbal, Pawel Marcin Kaminski, Frederik Klejs, Metodi Plamenov Yankov, Edson Porto da Silva, Francesco Da Ros, Leif Katsuo Oxenløwe, Søren Forchhammer

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

In this paper, a rate-adaptive coded modulation (CM) system combining polar codes and many-to-one probabilistic shaping is constructed and experimentally demonstrated. We propose to control the polar codes using a fraction of bits referred to as pre-set bits. This not only allows to offset the puncturing loss of rate-adaptive polar codes but also provides shaping gains compared to the non-punctured polar codes. Pre-set bits and many-to-one shaping are combined to form a rate-adaptive bit-interleaved CM system. We experimentally evaluate the system performance for 10x8-GBd dual polarization 256 quadrature amplitude modulation (QAM) wavelength division multiplexed (WDM) system with various input data rates ranging from 61 Gbps to 91 Gbps per carrier. The experimental results demonstrate a 200 km reach increase over a wide range of distances compared to the non-punctured polar codes and punctured polar codes.

Original language	English
Journal	Journal of Lightwave Technology
Volume	38
Issue number	7
Pages (from-to)	1800 - 1808
ISSN	0733-8724
DOIs	https://doi.org/10.1109/jlt.2019.2959829
Publication status	Published - 2020

Keywords

Polar codes
Punctured polar codes
Rate-adaptation
Probabilistic shaping
Wavelength division multiplexing
Experimental demonstration

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10.1109/jlt.2019.2959829

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@article{b63391487fc7420ab8bfe54fae523462,

title = "Probabilistically Shaped Rate-Adaptive Polar-Coded 256-QAM WDM Optical Transmission System",

abstract = "In this paper, a rate-adaptive coded modulation (CM) system combining polar codes and many-to-one probabilistic shaping is constructed and experimentally demonstrated. We propose to control the polar codes using a fraction of bits referred to as pre-set bits. This not only allows to offset the puncturing loss of rate-adaptive polar codes but also provides shaping gains compared to the non-punctured polar codes. Pre-set bits and many-to-one shaping are combined to form a rate-adaptive bit-interleaved CM system. We experimentally evaluate the system performance for 10x8-GBd dual polarization 256 quadrature amplitude modulation (QAM) wavelength division multiplexed (WDM) system with various input data rates ranging from 61 Gbps to 91 Gbps per carrier. The experimental results demonstrate a 200 km reach increase over a wide range of distances compared to the non-punctured polar codes and punctured polar codes.",

keywords = "Polar codes, Punctured polar codes, Rate-adaptation, Probabilistic shaping, Wavelength division multiplexing, Experimental demonstration",

author = "Shajeel Iqbal and Kaminski, {Pawel Marcin} and Frederik Klejs and Yankov, {Metodi Plamenov} and {Porto da Silva}, Edson and {Da Ros}, Francesco and Oxenl{\o}we, {Leif Katsuo} and S{\o}ren Forchhammer",

year = "2020",

doi = "10.1109/jlt.2019.2959829",

language = "English",

volume = "38",

pages = "1800 -- 1808",

journal = "Journal of Lightwave Technology",

issn = "0733-8724",

publisher = "Institute of Electrical and Electronics Engineers",

number = "7",

}

Probabilistically Shaped Rate-Adaptive Polar-Coded 256-QAM WDM Optical Transmission System. / Iqbal, Shajeel ; Kaminski, Pawel Marcin ; Klejs, Frederik ; Yankov, Metodi Plamenov; Porto da Silva, Edson; Da Ros, Francesco ; Oxenløwe, Leif Katsuo ; Forchhammer, Søren.

In: Journal of Lightwave Technology, Vol. 38, No. 7, 2020, p. 1800 - 1808.

Research output: Contribution to journal › Journal article › Research › peer-review

TY - JOUR

T1 - Probabilistically Shaped Rate-Adaptive Polar-Coded 256-QAM WDM Optical Transmission System

AU - Iqbal, Shajeel

AU - Kaminski, Pawel Marcin

AU - Klejs, Frederik

AU - Yankov, Metodi Plamenov

AU - Porto da Silva, Edson

AU - Da Ros, Francesco

AU - Oxenløwe, Leif Katsuo

AU - Forchhammer, Søren

PY - 2020

Y1 - 2020

N2 - In this paper, a rate-adaptive coded modulation (CM) system combining polar codes and many-to-one probabilistic shaping is constructed and experimentally demonstrated. We propose to control the polar codes using a fraction of bits referred to as pre-set bits. This not only allows to offset the puncturing loss of rate-adaptive polar codes but also provides shaping gains compared to the non-punctured polar codes. Pre-set bits and many-to-one shaping are combined to form a rate-adaptive bit-interleaved CM system. We experimentally evaluate the system performance for 10x8-GBd dual polarization 256 quadrature amplitude modulation (QAM) wavelength division multiplexed (WDM) system with various input data rates ranging from 61 Gbps to 91 Gbps per carrier. The experimental results demonstrate a 200 km reach increase over a wide range of distances compared to the non-punctured polar codes and punctured polar codes.

AB - In this paper, a rate-adaptive coded modulation (CM) system combining polar codes and many-to-one probabilistic shaping is constructed and experimentally demonstrated. We propose to control the polar codes using a fraction of bits referred to as pre-set bits. This not only allows to offset the puncturing loss of rate-adaptive polar codes but also provides shaping gains compared to the non-punctured polar codes. Pre-set bits and many-to-one shaping are combined to form a rate-adaptive bit-interleaved CM system. We experimentally evaluate the system performance for 10x8-GBd dual polarization 256 quadrature amplitude modulation (QAM) wavelength division multiplexed (WDM) system with various input data rates ranging from 61 Gbps to 91 Gbps per carrier. The experimental results demonstrate a 200 km reach increase over a wide range of distances compared to the non-punctured polar codes and punctured polar codes.

KW - Polar codes

KW - Punctured polar codes

KW - Rate-adaptation

KW - Probabilistic shaping

KW - Wavelength division multiplexing

KW - Experimental demonstration

U2 - 10.1109/jlt.2019.2959829

DO - 10.1109/jlt.2019.2959829

M3 - Journal article

VL - 38

SP - 1800

EP - 1808

JO - Journal of Lightwave Technology

JF - Journal of Lightwave Technology

SN - 0733-8724

IS - 7

ER -