| 同步跳频素数码及其在OCDMA系统中的应用 |
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| 引用本文： | 丁美玲,周巧仙.同步跳频素数码及其在OCDMA系统中的应用[J].光电子．激光,2008,19(9). |
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| 作者姓名： | 丁美玲 周巧仙 |
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| 作者单位： | 1. 中兴通讯股份有限公司上海研发中心,上海,201203
2. 上海桃浦中学,上海,200233 |
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| 摘 要： | 从跳频素数码的构造方法出发,为同步混合直扩/跳频光码分多址(DS/FH-OCDMA)系统构造了一种新的扩频码一同步跳频素数码,并给出了构造方法和构造实例.在此基础上,运用阵列波导光栅作为编解码器设计了一种同步DS/FH-OCDMA系统的实现方案,并对该系统进行了详细的性能分析.结果表明,基于同步跳频素数码的同步Ds/FH-OCDMA系统具有用户容量大和误码率低等方面的优点.
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| 关 键 词： | 光通信 混合直扩/跳频光码分多址 同步跳频素数码 阵列波导光栅 性能分析 |
Synchronous prime-hop codes and its application in OCDMA system |
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| DING Mei-ling,ZHOU Qiao-xian.Synchronous prime-hop codes and its application in OCDMA system[J].Journal of Optoelectronics·laser,2008,19(9). |
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| Authors: | DING Mei-ling ZHOU Qiao-xian |
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| Affiliation: | DING Mei-ling1,ZHOU Qiao-xian2(1.Shanghai Research , Development Center,ZTE Corporation,Shanghai 201203,China,2.Shanghai Taopu Middle School,Shanghai 200233,China) |
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| Abstract: | A type of synchronous prime-hop codes is presented for hybrid direct sequence/frequency hopping optical code division multiple access(DS/FH-OCDMA)system.And a novel scheme for DS/FH-OCDMA system with array waveguide gratings based encoder/decoder is designed.Further,a detailed performance analysis of the system is given.The results reveal that the scheme is easy to plan,and has large number of simultaneous user and low bit error rate. |
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| Keywords: | optical communication hybrid direct sequence/frequency hopping OCDMA synchronous prime-hop codes array waveguide gratings performance analysis |
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