| Paper Abstract and Keywords |
| Presentation |
2007-01-30 14:25
Soft-Decision Decoding of Product Codes Based on Table-aided Scheme
Kenya Horai, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
This paper deals with an iterative decoding algorithm of product codes. This paper proposes the table-aided scheme as a soft-decision decoding, in which the table of error patterns versus syndromes is used to limit the candidate of codeword. In the proposed scheme, syndromes of row-vector or column-vector are calculated from hard-decision sequence of received signal, and error patterns are calculated by the table-aided algorithm. The error pattern is used to change the correspondent analog values, and new analog values become to input signal for next decoding process. Repeating this process, the proposed scheme improves the performance of bit error rate remarkably. The proposed scheme also reduce the computation time by using table-aided soft decoding and by finishing the iteration steps in the case that all error bits are corrected. The computer simulation are carried out in additive Gaussian noise channel to investigate the bit error rate performance and the iteration steps required for final error correction. The result shows the effectiveness of the proposed decoding algorithm. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
product code / block code / soft-decision decoding / table-aided decoding / iterative decoding / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 106, no. 516, IT2006-55, pp. 31-36, Jan. 2007. |
| Paper # |
IT2006-55 |
| Date of Issue |
2007-01-23 (IT) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
IT |
| Conference Date |
2007-01-30 - 2007-01-30 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Osaka Electro-Communication University |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
general |
| Paper Information |
| Registration To |
IT |
| Conference Code |
2007-01-IT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Soft-Decision Decoding of Product Codes Based on Table-aided Scheme |
| Sub Title (in English) |
|
| Keyword(1) |
product code |
| Keyword(2) |
block code |
| Keyword(3) |
soft-decision decoding |
| Keyword(4) |
table-aided decoding |
| Keyword(5) |
iterative decoding |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Kenya Horai |
| 1st Author's Affiliation |
Doshisha University (Doshisha Univ.) |
| 2nd Author's Name |
Hisato Iwai |
| 2nd Author's Affiliation |
Doshisha University (Doshisha Univ.) |
| 3rd Author's Name |
Hideichi Sasaoka |
| 3rd Author's Affiliation |
Doshisha University (Doshisha Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2007-01-30 14:25:00 |
| Presentation Time |
25 minutes |
| Registration for |
IT |
| Paper # |
IT2006-55 |
| Volume (vol) |
vol.106 |
| Number (no) |
no.516 |
| Page |
pp.31-36 |
| #Pages |
6 |
| Date of Issue |
2007-01-23 (IT) |