A novel construction of 2-D OOC and its performance analysis

Yang Liuyang; LüXiang

doi:10.13756/j.gtxyj.2015.01.018

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A novel construction of 2-D OOC and its performance analysis

- A novel construction of 2-D OOC and its performance analysis
- Study on Optical communication Issue 1, Pages: 56-59(2015)
- 作者机构：
  
  浙江师范大学信息光学研究所
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2015.01.018
  CLC： TN929.1
- Published：2015，
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[1]杨刘洋,吕翔.一种新的二维光正交码的构造与性能分析[J].光通信研究,2015(01):56-59.

Yang Liuyang, LüXiang. A novel construction of 2-D OOC and its performance analysis. [J]. (1):56-59(2015)
[1]杨刘洋,吕翔.一种新的二维光正交码的构造与性能分析[J].光通信研究,2015(01):56-59. DOI： 10.13756/j.gtxyj.2015.01.018.

Yang Liuyang, LüXiang. A novel construction of 2-D OOC and its performance analysis. [J]. (1):56-59(2015) DOI： 10.13756/j.gtxyj.2015.01.018.

摘要

以OCFHC（一次重合跳频码）作为时间扩频序列

OCS（单重合序列）作为波长跳频序列

构造了一种新的二维光正交码OCFHC/OCS。分析OCFHC/OCS的码字性能

得到了码字的互相关均值表达式

并对该码字的误码率进行了仿真比较。仿真结果表明

当码重和任意两个相邻"切普"波长的最小间隔一定时

增加OCFHC/OCS码的跳波长数

不仅可以降低MWOCDMA（多波长光码分多址）系统的误码率

还可以增加码字容量;与OOC（光正交码）/OCS码相比

OCFHC/OCS码的码字性能更优。

Abstract

This paper constructs a novel two-dimensional（2-D）Optical Orthogonal Code（OOC）named OCFHC/OCS by using the One-Coincidence Frequency Hopping Code（OCFHC）for time spreading sequence and the One-Coincidence Sequence（OCS）for wavelength hopping sequence.Then it analyzes the codeword performances of OCFHC/OCS

obtains its average cross-correlation expression and simulates and compares its BER.Simulation results indicate that when the code weight and the minimum gap between the two adjacent chip wavelengths are fixed

increasing the number of hopping wavelength does not only reduce the BER of OCFHC/OCS system

but also increase the cardinality and compared with OOC/OCS code

the codeword performance of OCFHC/OCS is even better.

关键词

光码分多址二维光正交码一次重合跳频码单重合序列误码率

Keywords

OCDMA2-D OOCOCFHCOCSBER

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