| Paper Abstract and Keywords |
| Presentation |
2012-09-28 11:05
Linear Programming Decoding for Multiple Access Channel based on Decomposition Methods Shunsuke Horii, Toshiyasu Matsushima (Waseda Univ.) IT2012-40 |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
In this paper, we develop a dual decomposition method based linear-programming (LP) decoding for multiple-access channels with binary linear codes. LP decoding has decoding error rate which is comparable with state-of-the-art Sum-Product decoder for the decoding problem of binary linear codes with stronger theoretical guarantees and it is applied to decoding problems over various channels such as interference channels and multiple-access channels. But the decoder has to solve an LP problem and in general its computational complexity is the polynomial order of the number of variables and the number of constraints. Therefore it needs more decoding time compared to other decoders such as Sum-Product decoder. In order to tackle the complexity problem, many complexity efficient decoders have been developed for single-user memoryless channels. Especially, some previous studies showed that the decoding algorithm based on dual decomposition works well for large scale LDPC codes. In this paper, we apply the dual decomposition methods for the decoding problem over multiple access channels. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
multiple-access channel / linear programming decoding / dual decomposition method / augmented Lagrangian method / alternation direction method of multipliers (ADMM) / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 112, no. 215, IT2012-40, pp. 53-58, Sept. 2012. |
| Paper # |
IT2012-40 |
| Date of Issue |
2012-09-20 (IT) |
| 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) |
| Download PDF |
IT2012-40 |
| Conference Information |
| Committee |
IT |
| Conference Date |
2012-09-27 - 2012-09-28 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kusatsu Seminar House |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
error correcting codes, general |
| Paper Information |
| Registration To |
IT |
| Conference Code |
2012-09-IT |
| Language |
English |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Linear Programming Decoding for Multiple Access Channel based on Decomposition Methods |
| Sub Title (in English) |
|
| Keyword(1) |
multiple-access channel |
| Keyword(2) |
linear programming decoding |
| Keyword(3) |
dual decomposition method |
| Keyword(4) |
augmented Lagrangian method |
| Keyword(5) |
alternation direction method of multipliers (ADMM) |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Shunsuke Horii |
| 1st Author's Affiliation |
Waseda University (Waseda Univ.) |
| 2nd Author's Name |
Toshiyasu Matsushima |
| 2nd Author's Affiliation |
Waseda University (Waseda Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2012-09-28 11:05:00 |
| Presentation Time |
25 minutes |
| Registration for |
IT |
| Paper # |
IT2012-40 |
| Volume (vol) |
vol.112 |
| Number (no) |
no.215 |
| Page |
pp.53-58 |
| #Pages |
6 |
| Date of Issue |
2012-09-20 (IT) |