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| Presentation | 2009-07-23 13:30 Efficiently Encodable Generalized LDPC Codes using a Structure of its Subcodes Kenichi Teramoto, Gou Hosoya, Masayuki Goto, Shigeichi Hirasawa (Waseda Univ.)  IT2009-10 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The combination of the low-density parity-check (LDPC) codes and the iterative decoding algorithm has high performance.It has been shown that Generalized LDPC (GLDPC) codes, which are constructed by conbining the ordinarily LDPC codes and linear block codes, are asymptotically good codes and achieve channel capacity almost nearly.Unfortunately encoding complexity of these codes is proportional to the square of the code length.In this paper, we propose a linear time encodable GLDPC codes by applying systemtic structure for its subcodes, and the stair-like structure of the extended Irregular Repeat Accumulate (eIRA) codes for its base code.We show by some numerical example that the number of encoding operations for the proposed GLDPC codes is less than those of the conventional ones.We also show by simulation results that the decoding performances of the proposed GLDPC codes are almost the same as those for the ordinarily codes. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Low-Density Parity-Check code / erasure correct / GLDPC code / eIRA code / efficient encoding / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 143, IT2009-10, pp. 25-30, July 2009. | |
| Paper # | IT2009-10 | |
| Date of Issue | 2009-07-16 (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 | IT2009-10 |
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| Conference Information | |
| Committee | IT |
| Conference Date | 2009-07-23 - 2009-07-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kwansei Gakuin Univ. (Umeda campus) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Freshman session, general |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2009-07-IT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Efficiently Encodable Generalized LDPC Codes using a Structure of its Subcodes |
| Sub Title (in English) | |
| Keyword(1) | Low-Density Parity-Check code |
| Keyword(2) | erasure correct |
| Keyword(3) | GLDPC code |
| Keyword(4) | eIRA code |
| Keyword(5) | efficient encoding |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenichi Teramoto |
| 1st Author's Affiliation | Waseda University (Waseda Univ.) |
| 2nd Author's Name | Gou Hosoya |
| 2nd Author's Affiliation | Waseda University (Waseda Univ.) |
| 3rd Author's Name | Masayuki Goto |
| 3rd Author's Affiliation | Waseda University (Waseda Univ.) |
| 4th Author's Name | Shigeichi Hirasawa |
| 4th Author's Affiliation | Waseda University (Waseda Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-07-23 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | IT |
| Paper # | IT2009-10 |
| Volume (vol) | vol.109 |
| Number (no) | no.143 |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2009-07-16 (IT) |
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