A Scheme of OCDMA En-/De-Code Using Optical Scanning

GAO Ze-hua; QIAN Zong-jue; XU Da-xiong

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A Scheme of OCDMA En-/De-Code Using Optical Scanning

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- A Scheme of OCDMA En-/De-Code Using Optical Scanning
- Acta Electronica Sinica Vol. 29, Issue 6, Pages: 800-803(2001)
- 作者机构：
  
  北京邮电大学192信箱,北京,100876
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.11
- Published：2001
- 稿件说明：
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GAO Ze-hua, QIAN Zong-jue, XU Da-xiong. A Scheme of OCDMA En-/De-Code Using Optical Scanning[J]. Acta Electronica Sinica, 2001, 29(6): 800-803.
DOI：

GAO Ze-hua, QIAN Zong-jue, XU Da-xiong. A Scheme of OCDMA En-/De-Code Using Optical Scanning[J]. Acta Electronica Sinica, 2001, 29(6): 800-803. DOI：

摘要

本文提出一种利用光扫描来实现光码分多址OCDMA(Optical Code Division Multiple Access)编/解码的全新方案

可实现全光OCDMA扩频编/解码

文中给出光扫描编/解码的基本原理

并设计出了光扫描编/解码器结构

通过分析表明

所提出的光扫描编/解码方案可以在全光水平上实现扩频OCDMA编/解码

为摆脱光电转换的瓶颈提供一种解决方案

本方案容易实现OCDMA编/解码器的集成化并且变址灵活易控制.这种扩频方案的系统速率可远高于一般扩频方案的系统速率.

Abstract

A new en-/de-code scheme of OCDMA(Optical Code Division Multiple Access) using optical scanning is proposed in this paper.The principle of optical scanning en-/de-coder is given.The structure of optical scanning en-/de-coder is devised.It can also be seen that all-optical spread spectrum OCDMA en-/de-code can be realized by the proposed scheme of optical scanning en-/de-coder.At the same time

it can provide a scheme to remove the "bottleneck" when optical and electrical exchanges with each other occur.It can also make the OCDMA en-/de-coder integrated easily as well as the access is changed.The speed of the proposed spread spectrum OCDMA scheme is much higher than the speed of the time-spread OCDMA scheme.

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