| Presentation | 2015-11-12 Investigation of Application of Turbo Code to Super-Nyquist Wavelength-Division-Multiplexed Systems Shuai Yuan, Koji Igarashi, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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) |
| Keyword(in English) | Wavelength division multiplexing / Pulse shaping / Forward error correction |
| Paper # | OCS2015-83 |
| Date of Issue | 2015-11-05 (OCS) |
| Conference Information | |
| Committee | OCS / OFT / IEE-CMN / ITE-BCT |
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| Conference Date | 2015/11/12(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Matsuyama Civic Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Kiyoshi Fukuchi(NEC) / Hiroshi Naruse(Mie Univ.) / Masahiro Muraguchi(Tokyo Univ. of Science) / Tomoaki Ohtsuki(Keio Univ.) |
| Vice Chair | Akira Hirano(NTT) / / / Naohiko Iai(NHK) |
| Secretary | Akira Hirano(Fujikura) / (NTT) / (NTT) / Naohiko Iai(Fujikura) |
| Assistant | / Terutake Kobayashi(Fujikura) / Hidenobu Hirota(NTT) / Keisuke Utsu(Tokai Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Optical Communication Systems / Technical Committee on Optical Fiber Technology / Technical Meeting on Communications / Technical Group on Broadcasting Technology |
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| Language | JPN |
| 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 |
| 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.) |
| Date | 2015-11-12 |
| Paper # | OCS2015-83 |
| Volume (vol) | vol.115 |
| Number (no) | OCS-305 |
| Page | pp.pp.13-17(OCS), |
| #Pages | 5 |
| Date of Issue | 2015-11-05 (OCS) |