首页> 外文期刊>Photonic network communications >An uplink data transmission method based on wavelet packet transform coding in passive optical networks
【24h】

An uplink data transmission method based on wavelet packet transform coding in passive optical networks

机译:无源光网络中基于小波包变换编码的上行数据传输方法

获取原文
获取原文并翻译 | 示例
           

摘要

A novel uplink data transmission method in electrical code division multiplexing passive optical networks is proposed, simulated and experimentally verified, in which each optical network unit (ONU) is assigned a special multilevel orthogonal code based on wavelet packet transform. Comparing with the normal bi-level orthogonal code by using Walsh code or Gold code, the proposed method can improve the bandwidth utilizations and reduce the optical beat noise. Simulation results show 31 ONUs, of which each data rate is 10Gb/s and total rate is 310Gb/s, can be transmitted 30 km. Three ONUs with each data at 622Mb/s over 50-km single-mode fiber is experimentally demonstrated.
机译:提出,仿真和实验验证了一种电码分复用无源光网络中上行数据传输的新方法,该方法基于小波包变换为每个光网络单元(ONU)分配了特殊的多级正交码。与常规的双级正交码相比,采用沃尔什码或金码,可以提高带宽利用率,降低光学拍频噪声。仿真结果表明,可以传输30 km的31个ONU,每个数据速率为10Gb / s,总速率为310Gb / s。实验证明了在50公里单模光纤上的三个ONU,每个数据的速率为622Mb / s。

著录项

  • 来源
    《Photonic network communications》 |2015年第1期|32-39|共8页
  • 作者单位

    Department of Computer Science, Central China Normal University, Wuhan 430074, People's Republic of China;

    Wuhan National Lab for Optoelectrics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China;

    Wuhan National Lab for Optoelectrics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China;

    Wuhan National Lab for Optoelectrics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China;

    State Key Laboratory for Optical Communication and Networks, Wuhan Research Institute of M.P.T., Wuhan 430074, People's Republic of China;

    State Key Laboratory for Optical Communication and Networks, Wuhan Research Institute of M.P.T., Wuhan 430074, People's Republic of China;

    State Key Laboratory for Optical Communication and Networks, Wuhan Research Institute of M.P.T., Wuhan 430074, People's Republic of China;

    State Key Laboratory for Optical Communication and Networks, Wuhan Research Institute of M.P.T., Wuhan 430074, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Passive optical network; Electrical code division multiplexing; Uplink data transmission; Multi-level orthogonal coding; Wavelet packet transform;

    机译:无源光网络;电气码分复用;上行数据传输;多级正交编码;小波包变换;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号