| 一种新的光码分多址技术 |
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| 引用本文： | 刘国驷,周浩强,张登国,崔哲顺. 一种新的光码分多址技术[J]. 光通信技术, 1999, 0(4) |
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| 作者姓名： | 刘国驷 周浩强 张登国 崔哲顺 |
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| 作者单位： | 深圳大学新技术中心!518060(刘国驷，周浩强，张登国)，北京鹏开电讯科技有限公司(崔哲顺) |
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| 摘 要： | 通常ＣＤＭＡ系统接近波分复用的性能，但是也面临一些有待解决的问题，例如多用户时的谱干扰、散弹噪声等。文中提出了一种实现光ＣＤＭＡ的新方案，它应用平衡发射和接收技术，同时使用Ｍａｃｈ－Ｚｅｈｎｄｅｒ干涉链来进行地址编码。按新方案实施可以在非相干调制光系统中得到地址码的真正正交，从而改善系统的性能
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| 关 键 词： | 码分多址 Mach-Zehnder干涉仪 正交 平衡接收/发射 |
A New Technology of OCDMA |
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| Liu Guosi,Zhou Haoqiang,Zhang Dengguo/Shenzhen University//Cui Zheshun/Cathy Telecom Tech CO.,Ltd,Beijing. A New Technology of OCDMA[J]. Optical Communication Technology, 1999, 0(4) |
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| Authors: | Liu Guosi Zhou Haoqiang Zhang Dengguo/Shenzhen University//Cui Zheshun/Cathy Telecom Tech CO. Ltd Beijing |
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| Abstract: | The Performance of CDMA approaches that of WDM, but it also faces some problems such as spectrum interference from multiple users and shot noise etc.This Paper presents a new scheme to realize the optical CDMA. This scheme uses balanced transmission/receiving technology and Mach Zehnder interferometer to encode address, and it can improve the performance of CDMA by getting the true orthogonality of address code from the optical non coherent modulation system. |
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| Keywords: | CDMA Mach Zehnder Interferometer Orthogonlity balanced transmission/receive |
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