Hybrid neural coded modulation: Design and training methods

We propose a hybrid coded modulation scheme which composes of inner and outer codes. The outer-code can be any standard binary linear code with efficient soft decoding capability (e.g. low-density parity-check (LDPC) codes). The inner code is designed using a deep neural network (DNN) which takes th...

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Main Authors: Sung Hoon Lim, Jiyong Han, Wonjong Noh, Yujae Song, Sang-Woon Jeon
Format: Article
Language:English
Published: Elsevier 2022-03-01
Series:ICT Express
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405959522000182
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author Sung Hoon Lim
Jiyong Han
Wonjong Noh
Yujae Song
Sang-Woon Jeon
author_facet Sung Hoon Lim
Jiyong Han
Wonjong Noh
Yujae Song
Sang-Woon Jeon
author_sort Sung Hoon Lim
collection DOAJ
description We propose a hybrid coded modulation scheme which composes of inner and outer codes. The outer-code can be any standard binary linear code with efficient soft decoding capability (e.g. low-density parity-check (LDPC) codes). The inner code is designed using a deep neural network (DNN) which takes the channel coded bits and outputs modulated symbols. For training the DNN, we propose to use a loss function that is inspired by the generalized mutual information. The resulting constellations are shown to outperform the conventional quadrature amplitude modulation (QAM) based coding scheme for modulation order 16 and 64 with 5G standard LDPC codes.
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spelling doaj.art-3bfac48e4873453188d781e33c04bf6c2022-12-22T00:03:19ZengElsevierICT Express2405-95952022-03-01812530Hybrid neural coded modulation: Design and training methodsSung Hoon Lim0Jiyong Han1Wonjong Noh2Yujae Song3Sang-Woon Jeon4School of Software, Hallym University, Chuncheon, Republic of KoreaSchool of Software, Hallym University, Chuncheon, Republic of KoreaSchool of Software, Hallym University, Chuncheon, Republic of KoreaDepartment of Computer Software Engineering, Kumoh National Institute of Technology, Gumi 39177, Republic of KoreaDepartment of Electrical and Electronic Engineering, Hanyang University, Ansan, Republic of Korea; Corresponding author.We propose a hybrid coded modulation scheme which composes of inner and outer codes. The outer-code can be any standard binary linear code with efficient soft decoding capability (e.g. low-density parity-check (LDPC) codes). The inner code is designed using a deep neural network (DNN) which takes the channel coded bits and outputs modulated symbols. For training the DNN, we propose to use a loss function that is inspired by the generalized mutual information. The resulting constellations are shown to outperform the conventional quadrature amplitude modulation (QAM) based coding scheme for modulation order 16 and 64 with 5G standard LDPC codes.http://www.sciencedirect.com/science/article/pii/S2405959522000182Machine learningNeural networksModulationChannel codingGeneralized mutual information
spellingShingle Sung Hoon Lim
Jiyong Han
Wonjong Noh
Yujae Song
Sang-Woon Jeon
Hybrid neural coded modulation: Design and training methods
ICT Express
Machine learning
Neural networks
Modulation
Channel coding
Generalized mutual information
title Hybrid neural coded modulation: Design and training methods
title_full Hybrid neural coded modulation: Design and training methods
title_fullStr Hybrid neural coded modulation: Design and training methods
title_full_unstemmed Hybrid neural coded modulation: Design and training methods
title_short Hybrid neural coded modulation: Design and training methods
title_sort hybrid neural coded modulation design and training methods
topic Machine learning
Neural networks
Modulation
Channel coding
Generalized mutual information
url http://www.sciencedirect.com/science/article/pii/S2405959522000182
work_keys_str_mv AT sunghoonlim hybridneuralcodedmodulationdesignandtrainingmethods
AT jiyonghan hybridneuralcodedmodulationdesignandtrainingmethods
AT wonjongnoh hybridneuralcodedmodulationdesignandtrainingmethods
AT yujaesong hybridneuralcodedmodulationdesignandtrainingmethods
AT sangwoonjeon hybridneuralcodedmodulationdesignandtrainingmethods