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Paper Abstract and Keywords
Presentation 2012-07-13 09:20
Performance Analysis of BP Decoding for Physical-layer Network and LDPC Coded Signals
Yuichi Obata, Daisuke Umehara (Kyoto Inst. of Tech.), Koji Yamamoto, Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.), Masahiro Morikura, Susumu Yoshida (Kyoto Univ.) CS2012-40
Abstract (in Japanese) (See Japanese page) 
(in English) In this manuscript, the performance of belief propagation (BP) decoding is evaluated for physical-layer network coded signals with low density parity check (LDPC) codes in a two-way relay wireless channel. Physical-layer network coding (PNC) enables to improve throughput of wireless relaying in wireless distributed networks synchronized by coherent coordinated multi-point (CoMP). The CoMP-PNC scheme, in which precoding and LDPC codes are incorporated, is applied for two-way relay wireless channels with a single frequency band. The relay station receives a composite signal transmitted from two user stations simultaneously and it broadcasts the BP decoded, network coded signal to them. In this manuscript, the log-likelihood ratio (LLR) is presented for the practical quadrature phase shift keying (QPSK) composite signals to perform BP decoding at the relay station.
Keyword (in Japanese) (See Japanese page) 
(in English) two-way relay channel / BP decoding / LDPC codes / physical-layer network coding / coherent CoMP / wireless distributed network / LLR /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 118, CS2012-40, pp. 95-100, July 2012.
Paper # CS2012-40 
Date of Issue 2012-07-05 (CS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
and
reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
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Conference Information
Committee CS  
Conference Date 2012-07-12 - 2012-07-13 
Place (in Japanese) (See Japanese page) 
Place (in English) China-cho-Kominkan (Okinoerabu Island) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Next generation networks, access network, broadband access system, power-line communications, wireless communication systems, coding system, etc. 
Paper Information
Registration To CS 
Conference Code 2012-07-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Analysis of BP Decoding for Physical-layer Network and LDPC Coded Signals 
Sub Title (in English)  
Keyword(1) two-way relay channel  
Keyword(2) BP decoding  
Keyword(3) LDPC codes  
Keyword(4) physical-layer network coding  
Keyword(5) coherent CoMP  
Keyword(6) wireless distributed network  
Keyword(7) LLR  
Keyword(8)  
1st Author's Name Yuichi Obata  
1st Author's Affiliation Kyoto Institute of Technology (Kyoto Inst. of Tech.)
2nd Author's Name Daisuke Umehara  
2nd Author's Affiliation Kyoto Institute of Technology (Kyoto Inst. of Tech.)
3rd Author's Name Koji Yamamoto  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Hidekazu Murata  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
5th Author's Name Satoshi Denno  
5th Author's Affiliation Okayama University (Okayama Univ.)
6th Author's Name Masahiro Morikura  
6th Author's Affiliation Kyoto University (Kyoto Univ.)
7th Author's Name Susumu Yoshida  
7th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker
Date Time 2012-07-13 09:20:00 
Presentation Time 25 
Registration for CS 
Paper # IEICE-CS2012-40 
Volume (vol) IEICE-112 
Number (no) no.118 
Page pp.95-100 
#Pages IEICE-6 
Date of Issue IEICE-CS-2012-07-05 


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