Hybrid Optical CDMA Coding of Frequency Hopping/Time Spreading and the Structure of Its Coder and Decoder

WAN Sheng-peng; HU Yu

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Hybrid Optical CDMA Coding of Frequency Hopping/Time Spreading and the Structure of Its Coder and Decoder

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- Hybrid Optical CDMA Coding of Frequency Hopping/Time Spreading and the Structure of Its Coder and Decoder
- Acta Electronica Sinica Vol. 29, Issue 7, Pages: 954-957(2001)
- 作者机构：
  
  电子科技大学应用所一室,四川,成都,610054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.1TN911
- Published：2001
- 稿件说明：
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WAN Sheng-peng, HU Yu. Hybrid Optical CDMA Coding of Frequency Hopping/Time Spreading and the Structure of Its Coder and Decoder[J]. Acta Electronica Sinica, 2001, 29(7): 954-957.
DOI：

WAN Sheng-peng, HU Yu. Hybrid Optical CDMA Coding of Frequency Hopping/Time Spreading and the Structure of Its Coder and Decoder[J]. Acta Electronica Sinica, 2001, 29(7): 954-957. DOI：

摘要

本文提出了一种新的频域跳频、时间扩频混合光CDMA编码方案

并提出了其编、解码器结构.这种新的编码方案利用

-光正交码(OOC)为频域跳频模式

以素数码(Prime Code)为时间扩频模式

我们称之为Prime/OOC 码.该码具有良好的自相关、互相关性能和大的容量

更为重要的是

该混合码的编、解码器可以通过多布喇格光纤光栅来实现.相对于时间扩频码分多址系统的编、解码器

这种编、解码器更简单

容易变址和集成.

Abstract

This paper proposes a new hybrid optical CDMA coding scheme of frequency hopping/time spreading together with the structure of its coder and decoder.This new coding scheme uses (L

1)-OOC as frequency hopping pattern

prime code as time spreading pattern

and we call it as Prime/OOC code.This new coding scheme has good performance in autocorrelation

crosscorrelation and code's capacity.More important

the coder and decoder of the hybrid code can be implemented by multiple-bragg grating fiber.Compared with coder and decoder of time spread CDMA system

the coder and decoder are simpler

easier in selecting address and in integration.

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