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| Presentation | 2015-11-12 14:55 Investigation of Application of Turbo Code to Super-Nyquist Wavelength-Division-Multiplexed Systems Shuai Yuan, Koji Igarashi (Osaka Univ.)  OCS2015-83 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we investigate the application of turbo code to Super-Nyquist Wavelength-Division-Multiplexed (WDM) signals. In Super-Nyquist WDM systems, the duobinary shaping and a decoder based on maximum likelihood sequence estimation are usually used for suppression of both WDM crosstalk and the inter-symbol interference. After the decoder of duobinary shaping, errors arising from additive noise tend to propagate, resulting in degradation of the error correction performance. First, we numerically evaluate the performance of the convolutional code for Super-Nyquist WDM signals. The results suggest the performance of the convolutional code is remarkably degraded by the decoder of duobinary shaping. Next, we investigate the application of the turbo code to Super-Nyquist WDM signals. For suppression of the performance degradation due to the duobinary shaping, we propose the turbo decoder including decoder of the duobinary shaping, which is called turbo equalization. We evaluate the performance of turbo code in Super-Nyquist WDM systems using our decoder based on turbo equalizer. The turbo equalization is effective to suppress the performance degradation due to the duobinary shaping. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wavelength division multiplexing / Pulse shaping / Forward error correction / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 305, OCS2015-83, pp. 13-17, Nov. 2015. | |
| Paper # | OCS2015-83 | |
| Date of Issue | 2015-11-05 (OCS) | |
| 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 | OCS2015-83 |
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| Conference Information | |
| Committee | OCS OFT IEE-CMN ITE-BCT |
| Conference Date | 2015-11-12 - 2015-11-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Matsuyama Civic Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OCS |
| Conference Code | 2015-11-OCS-OFT-CMN-BCT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation of Application of Turbo Code to Super-Nyquist Wavelength-Division-Multiplexed Systems |
| Sub Title (in English) | |
| Keyword(1) | Wavelength division multiplexing |
| Keyword(2) | Pulse shaping |
| Keyword(3) | Forward error correction |
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| 1st Author's Name | Shuai Yuan |
| 1st Author's Affiliation | Osaka University (Osaka Univ.) |
| 2nd Author's Name | Koji Igarashi |
| 2nd Author's Affiliation | Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-11-12 14:55:00 |
| Presentation Time | 25 minutes |
| Registration for | OCS |
| Paper # | OCS2015-83 |
| Volume (vol) | vol.115 |
| Number (no) | no.305 |
| Page | pp.13-17 |
| #Pages | 5 |
| Date of Issue | 2015-11-05 (OCS) |
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