IEICE TRANSACTIONS on Fundamentals
Log-Likelihood Ratio Calculation Using 3-Bit Soft-Decision for Error Correction in Visible Light Communication Systems
Summary :
Forward Error Correction (FEC) schemes have played an important role in intensity-modulation direct-detection (IM/DD) Visible Light Communication (VLC) systems. While hard-decision FEC schemes are inferior to soft-decision FEC codes in terms of decoding performance, they are widely used in these VLC systems because receivers are only capable of recognizing logical values 0 and 1. In this letter, we propose a method to calculate the log-likelihood ratios (LLR) values which are used as input of soft-decision FEC decoders. Simulation results show that Polar decoder using proposed method performs better than that of using the hard-decision technique.
- Publication
- IEICE TRANSACTIONS on Fundamentals Vol.E101-A No.12 pp.2210-2212
- Publication Date
- 2018/12/01
- Publicized
- Online ISSN
- 1745-1337
- DOI
- 10.1587/transfun.E101.A.2210
- Type of Manuscript
- Special Section LETTER (Special Section on Information Theory and Its Applications)
- Category
- Communication Theory and Signals
Authors
Dinh-Dung LE
Nara Institute of Science and Technology
Duc-Phuc NGUYEN
Nara Institute of Science and Technology
Thi-Hong TRAN
Nara Institute of Science and Technology
Yasuhiko NAKASHIMA
Nara Institute of Science and Technology
Keyword
Latest Issue
Copyrights notice of machine-translated contents
The copyright of the original papers published on this site belongs to IEICE. Unauthorized use of the original or translated papers is prohibited. See IEICE Provisions on Copyright for details.
Cite this
Copy
Dinh-Dung LE, Duc-Phuc NGUYEN, Thi-Hong TRAN, Yasuhiko NAKASHIMA, "Log-Likelihood Ratio Calculation Using 3-Bit Soft-Decision for Error Correction in Visible Light Communication Systems" in IEICE TRANSACTIONS on Fundamentals,
vol. E101-A, no. 12, pp. 2210-2212, December 2018, doi: 10.1587/transfun.E101.A.2210.
Abstract: Forward Error Correction (FEC) schemes have played an important role in intensity-modulation direct-detection (IM/DD) Visible Light Communication (VLC) systems. While hard-decision FEC schemes are inferior to soft-decision FEC codes in terms of decoding performance, they are widely used in these VLC systems because receivers are only capable of recognizing logical values 0 and 1. In this letter, we propose a method to calculate the log-likelihood ratios (LLR) values which are used as input of soft-decision FEC decoders. Simulation results show that Polar decoder using proposed method performs better than that of using the hard-decision technique.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/transfun.E101.A.2210/_p
Copy
@ARTICLE{e101-a_12_2210,
author={Dinh-Dung LE, Duc-Phuc NGUYEN, Thi-Hong TRAN, Yasuhiko NAKASHIMA, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Log-Likelihood Ratio Calculation Using 3-Bit Soft-Decision for Error Correction in Visible Light Communication Systems},
year={2018},
volume={E101-A},
number={12},
pages={2210-2212},
abstract={Forward Error Correction (FEC) schemes have played an important role in intensity-modulation direct-detection (IM/DD) Visible Light Communication (VLC) systems. While hard-decision FEC schemes are inferior to soft-decision FEC codes in terms of decoding performance, they are widely used in these VLC systems because receivers are only capable of recognizing logical values 0 and 1. In this letter, we propose a method to calculate the log-likelihood ratios (LLR) values which are used as input of soft-decision FEC decoders. Simulation results show that Polar decoder using proposed method performs better than that of using the hard-decision technique.},
keywords={},
doi={10.1587/transfun.E101.A.2210},
ISSN={1745-1337},
month={December},}
Copy
TY - JOUR
TI - Log-Likelihood Ratio Calculation Using 3-Bit Soft-Decision for Error Correction in Visible Light Communication Systems
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 2210
EP - 2212
AU - Dinh-Dung LE
AU - Duc-Phuc NGUYEN
AU - Thi-Hong TRAN
AU - Yasuhiko NAKASHIMA
PY - 2018
DO - 10.1587/transfun.E101.A.2210
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E101-A
IS - 12
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - December 2018
AB - Forward Error Correction (FEC) schemes have played an important role in intensity-modulation direct-detection (IM/DD) Visible Light Communication (VLC) systems. While hard-decision FEC schemes are inferior to soft-decision FEC codes in terms of decoding performance, they are widely used in these VLC systems because receivers are only capable of recognizing logical values 0 and 1. In this letter, we propose a method to calculate the log-likelihood ratios (LLR) values which are used as input of soft-decision FEC decoders. Simulation results show that Polar decoder using proposed method performs better than that of using the hard-decision technique.
ER -
English
