Bit error performance analysis of 2D asynchronous OCDMA systems with double optical hard-limiter

Shi Jianfeng; Pan Wei; Luo Bin; Ding Ying

doi:10.13756/j.gtxyj.2008.02.016

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Bit error performance analysis of 2D asynchronous OCDMA systems with double optical hard-limiter

- Bit error performance analysis of 2D asynchronous OCDMA systems with double optical hard-limiter
- Study on Optical communication Issue 2, Pages: 24-27(2008)
- 作者机构：
  
  1. 西南交通大学信息科学与技术学院
  2. 西南交通大学信息科学与技术学院四川成都610031
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2008.02.016
  CLC： TN929.533
- Published：2008，
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[1]施建锋,潘炜,罗斌,丁莹.双硬限幅器二维异步OCDMA系统的性能分析[J].光通信研究,2008(02):24-27.

Shi Jianfeng, Pan Wei, Luo Bin, et al. Bit error performance analysis of 2D asynchronous OCDMA systems with double optical hard-limiter. [J]. (2):24-27(2008)
[1]施建锋,潘炜,罗斌,丁莹.双硬限幅器二维异步OCDMA系统的性能分析[J].光通信研究,2008(02):24-27. DOI： 10.13756/j.gtxyj.2008.02.016.

Shi Jianfeng, Pan Wei, Luo Bin, et al. Bit error performance analysis of 2D asynchronous OCDMA systems with double optical hard-limiter. [J]. (2):24-27(2008) DOI： 10.13756/j.gtxyj.2008.02.016.

摘要

在二维异步光码分多址（OCDMA）系统中

考虑光接收机存在多种噪声源干扰和用户之间存在的多址干扰（MAI）

使用了具有双硬限幅器（OHL）的光接收机来优化系统传输性能。文章数值分析了阈值、用户数和入射光功率等对系统误码率的影响。结果表明:双OHL二维异步OCDMA系统的误码率相对于单OHL系统和无OHL系统明显下降

基本消除了MAI。

Abstract

As optical receivers in 2D asynchronous OCDMA systems are subject to various noise interferences and to Multiple Address Interference（MAI） among the users

optical receivers with double Optical Hard-Limiters（OHL） are used to optimize the system transmission performance.In this paper

the effects of the threshold

the number of users and the incident optical power on the system BER are numerically analyzed.The results show that 2D asynchronous OCDMA systems with double OHL have much lower BER than those with one or no OHL and MAI is almost reduced to zero.

关键词

二维异步光码分多址系统多址干扰接收机噪声硬限幅器

Keywords

2D asynchronous OCDMA systemMAIreceiver noiseOHL

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School of Optoelectronic Engineering,Nanjing University of Posts and Telecommunications

Advanced Technology Research Center of Shenzhen University

Research Institute of Optoelectronic Engineering,Jinan University

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