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Dimensioning BCH Co...
Dimensioning BCH Codes for Coherent DQPSK Systems With Laser Phase Noise and Cycle Slips
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- Leong, Miu Yoong (author)
- RISE,KTH,Optik och Fotonik, OFO,Acreo,KTH Royal Institute of Technology, Sweden
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- Larsen, Knud J. (author)
- DTU Technical University of Denmark, Denmark
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- Jacobsen, Gunnar (author)
- RISE,KTH,Optik och Fotonik, OFO,Acreo,KTH Royal Institute of Technology, Sweden
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- Popov, Sergei (author)
- KTH,Optik och Fotonik, OFO,KTH Royal Institute of Technology, Sweden
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- Zibar, Darko (author)
- DTU Technical University of Denmark, Denmark
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- Sergeyev, Sergey (author)
- Aston University, United Kingdom
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(creator_code:org_t)
- 2014
- 2014
- English.
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In: Journal of Lightwave Technology. - 0733-8724 .- 1558-2213. ; 32:21, s. 3446-3450
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Forward error correction (FEC) plays a vital role in coherent optical systems employing multi-level modulation. However, much of coding theory assumes that additive white Gaussian noise (AWGN) is dominant, whereas coherent optical systems have significant phase noise (PN) in addition to AWGN. This changes the error statistics and impacts FEC performance. In this paper, we propose a novel semianalytical method for dimensioning binary Bose-Chaudhuri-Hocquenghem (BCH) codes for systems with PN. Our method involves extracting statistics from pre-FEC bit error rate (BER) simulations. We use these statistics to parameterize a bivariate binomial model that describes the distribution of bit errors. In this way, we relate pre-FEC statistics to post-FEC BER and BCHcodes. Our method is applicable to pre-FEC BER around 10(-3) and any post-FEC BER. Using numerical simulations, we evaluate the accuracy of our approach for a target post-FEC BER of 10(-5). Codes dimensioned with our bivariate binomial model meet the target within 0.2-dB signal-to-noise ratio.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences (hsv//eng)
Keyword
- Bose-Chaudhuri-Hocquenghem (BCH) codes
- coherent communications
- cycle slips
- forward error correction (FEC)
- phase noise
Publication and Content Type
- ref (subject category)
- art (subject category)
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