Generation of optical orthogonal code by genetic algorithms

Yin Xiaoli; Zhang Qi; Yu Chongxiu; Song Houze

doi:10.13756/j.gtxyj.2008.06.012

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Generation of optical orthogonal code by genetic algorithms

- Generation of optical orthogonal code by genetic algorithms
- Study on Optical communication Issue 6, Pages: 24-26(2008)
- 作者机构：
  
  北京邮电大学电子工程学院光通信与光波技术教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2008.06.012
  CLC： TN911.2
- Published：2008，
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[1]尹霄丽,张琦,余重秀,宋厚泽.用遗传算法生成光正交码[J].光通信研究,2008(06):24-26.

Yin Xiaoli, Zhang Qi, Yu Chongxiu, et al. Generation of optical orthogonal code by genetic algorithms. [J]. (6):24-26(2008)
[1]尹霄丽,张琦,余重秀,宋厚泽.用遗传算法生成光正交码[J].光通信研究,2008(06):24-26. DOI： 10.13756/j.gtxyj.2008.06.012.

Yin Xiaoli, Zhang Qi, Yu Chongxiu, et al. Generation of optical orthogonal code by genetic algorithms. [J]. (6):24-26(2008) DOI： 10.13756/j.gtxyj.2008.06.012.

摘要

生成性能良好的光正交码（OOC）是实现光码分多址（OCDMA）通信的关键技术之一。文章提出一种利用遗传算法生成任意码长、码重的（n

1）光正交码（GA-OOC）的改进方法。设计了新的码字矩阵

迭代中引入了新移民。仿真结果表明

改进后的算法收敛速度更快;基于GA-OOC的OCDMA系统由于码长和码重相互独立

便于更加合理地使用系统的硬件资源

且具有更低的误码率。

Abstract

The generation of the Optical Orthogonal Code（OOC） with good performances is one of the key techniques for OCDMA communication.A modified method for the generation of（n

1） OCC（denoted by GA-OOC） with arbitrary code length and code weight by using the genetic algorithm is presented.A new code matrix is designed and new immigrants added in iteration.The simulation results indicate that the modified algorithm converges faster

the GA-OOC-based OCDMA system uses its hardware resources more effectively and has a lower BER as the code length and the code weight are independent from each other.

关键词

光纤通信技术光码分多址光正交码误码率

Keywords

fiber-optic communication technologyOCDMAOOCBER

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