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软件定义光网络光码分多址编解码技术发展趋势

OCDMA Endecoding Technology Trends for Software-Defined Optical Networks
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摘要 认为光码分多址技术的发展趋势应当是高频谱效率动态可重构的,以适应软定义光网络(SDON)对端到端长距离跨节点的安全光通道应用服务需求。针对现有基于全光信号处理的光码分多址(OCDMA)技术存在频谱效率低、色散补偿困难和多址干扰严重3大问题,分析了全球研究现状,预测OCMDA技术发展趋势应采用电编码和数字相干接收机。提出了光编解码技术应用于SDON所面临的关键问题,并给出了解决这些关键问题的技术路线。 In order to fit the application needs of secure, long-haul optical channel across relay nodes in soft defined optical networks(SDON), the next-generation optical code division multiple access(OCDMA) system should pursue the goal of high frequency efficiency and dynamic reconfiguration. Recent researching reports are reviewed to reveal the main problems of traditional OCDMA with all optical signal process, which are low frequency efficiency, dispersion and multiple access interference. It is predicted that electronic domain encoding/decoding and digital coherent receiver will be the trends of OCDMA technology. The pivotal problem and solution path are provided for the application of the next-generation OCDMA in SDON network.
作者 蒲涛 孟凡秋 赵继勇
机构地区 解放军理工大学通信工程学院
出处 《中兴通讯技术》 2015年第4期20-24,共5页 ZTE Technology Journal
基金 国家自然科学基金(61177065 61475193) 国家重点基础研究发展("973")规划(2012CB315603)
关键词 光码分多址 软定义光网络 数字相干接收机 optical code division multiple access softwave-defined optical networks digital coherent receiver
分类号 TN929.1 [电子电信—通信与信息系统]
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参考文献21

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二级参考文献15

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中兴通讯技术
2015年 第4期

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