| OCDMA中一种新的多倍长多波长RS码 |
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| 引用本文： | 周秀丽,马君显,胡 渝. OCDMA中一种新的多倍长多波长RS码[J]. 通信学报, 2006, 27(7): 7-11 |
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| 作者姓名： | 周秀丽 马君显 胡 渝 |
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| 作者单位： | 1. 电子科技大学,物理电子学院,四川,成都,610054
2. 深圳大学,信息工程学院,广东,深圳,518060 |
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| 基金项目： | 中国科学院资助项目;电子科技大学校科研和教改项目 |
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| 摘 要： | 提出了一种新的容量大、相关性好的多倍长、多波长reed-solomon（MW RS）码编码方案,并构造了多倍长MW RS码.对同时使用具有两种码长的多倍长MW RS码的OCDMA系统性能分析表明,使用该多倍长MW RS码的系统性能良好,使用短码序列信号的误码率性能好于使用长码序列信号的误码率性能.该特征能满足将来大容量多媒体OCDMA网络系统对同时传输的不同速率信号所需传输质量不同的需求.
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| 关 键 词： | 光码分多址 光网络 多倍长多波长reed-solomon码 |
| 文章编号： | 1000-436X（2006）07-0007-05 |
| 收稿时间： | 2005-05-12 |
| 修稿时间： | 2005-05-122006-05-15 |
New family of multilength multi-wavelength reed-solomon code of OCDMA system |
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| ZHOU Xiu-li,MA Jun-xian,HU Yu. New family of multilength multi-wavelength reed-solomon code of OCDMA system[J]. Journal on Communications, 2006, 27(7): 7-11 |
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| Authors: | ZHOU Xiu-li MA Jun-xian HU Yu |
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| Affiliation: | 1, School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China; 2. College of Information Engineering, Shenzhen University, Shenzhen 518060, China |
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| Abstract: | A new class of multilength, constant-weight two-dimensional multi-wavelength reed-solomon (2D MW RS) code with large capacity and good correlation properties was constructed. The performance of these new MW RS codes with two kinds of lengths in an OCDMA network was analyzed. The result shows that media with the shorter code words performs much better than the media with longer codeword, and OCDMA system with these new multilength MW RS codes performs well. These features allow large capacity multimedia transmission with different bit-rate and qual- ity-of-service requirements accommodated simultaneously in OCDMA network system. |
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| Keywords: | optical code division multiple access optical network multilength multi-wavelength reed-solomon code |
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