A novel complementary subtraction detection technology for OCDMA systems

Pan Wu; Cheng Cailing; Zhang Hui; Zhou Yating; Deng Shan

doi:10.13756/j.gtxyj.2015.01.023

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A novel complementary subtraction detection technology for OCDMA systems

- A novel complementary subtraction detection technology for OCDMA systems
- Study on Optical communication Issue 1, Pages: 75-78(2015)
- 作者机构：
  
  重庆邮电大学微光机电系统研究所
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2015.01.023
  CLC： TN929.1
- Published：2015，
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[1]潘武,程彩玲,张辉,周亚婷,邓珊.一种新型光码分多址系统平衡检测技术[J].光通信研究,2015(01):75-78.

Pan Wu, Cheng Cailing, Zhang Hui, et al. A novel complementary subtraction detection technology for OCDMA systems. [J]. (1):75-78(2015)
[1]潘武,程彩玲,张辉,周亚婷,邓珊.一种新型光码分多址系统平衡检测技术[J].光通信研究,2015(01):75-78. DOI： 10.13756/j.gtxyj.2015.01.023.

Pan Wu, Cheng Cailing, Zhang Hui, et al. A novel complementary subtraction detection technology for OCDMA systems. [J]. (1):75-78(2015) DOI： 10.13756/j.gtxyj.2015.01.023.

摘要

为了有效抑制多用户干扰

采用改良双重码构建了基于新型平衡检测技术的光码分多址系统。使用归零与非归零脉冲发生器

在不同传输长度和传输比特率下对比系统性能

并对平衡检测和光谱直接检测技术进行了比较。通过系统测试得出:在2.5Gbit/s的传输比特率下

采用改良双重码编码的新型平衡检测技术的性能优于光谱直接检测技术

并且能够有效地消除多址干扰。

Abstract

In order to effectively suppress the Multiple Access Interference（MAI）

a novel complementary subtraction technology based on Modified Double Weight（MDW）code is proposed for Optical Code Division Multiple Access（OCDMA）systems.The system performances are compared by using an RZ pulse generator and an NRZ pulse generator in different transmission lengths and bit rates and so are the supplementary subtraction detection technology and the direct detection technology.The system test results show that at a transmission bit rate of 2.5Gbit/s

the novel complementary subtraction detection technology is superior in performance to the Spectral Direct Detection（SDD）technology and it can effectively eliminate the MAI.

关键词

光码分多址改良双重码平衡检测技术光谱直接检测技术

Keywords

OCDMAMDW codecomplementary subtraction technologySDD technology

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