Research on a hybrid access systems for integrated wireless and wired signals

Zhang Chunlei; Yan Caihua; Chen Hailing; Zhao Chunhe

doi:10.13756/j.gtxyj.2012.05.007

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Research on a hybrid access systems for integrated wireless and wired signals

- Research on a hybrid access systems for integrated wireless and wired signals
- Study on Optical communication Issue 5, Pages: 17-19(2012)
- 作者机构：
  
  兰州交通大学电子与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2012.05.007
  CLC： TN929.1
- Published：2012，
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[1]张春蕾,闫彩化,陈海灵,赵春和.一种集成无线和有线信号的混合接入系统研究[J].光通信研究,2012(05):17-19+42.

Zhang Chunlei, Yan Caihua, Chen Hailing, et al. Research on a hybrid access systems for integrated wireless and wired signals. [J]. (5):17-19(2012)
[1]张春蕾,闫彩化,陈海灵,赵春和.一种集成无线和有线信号的混合接入系统研究[J].光通信研究,2012(05):17-19+42. DOI： 10.13756/j.gtxyj.2012.05.007.

Zhang Chunlei, Yan Caihua, Chen Hailing, et al. Research on a hybrid access systems for integrated wireless and wired signals. [J]. (5):17-19(2012) DOI： 10.13756/j.gtxyj.2012.05.007.

摘要

为了满足不同高带宽业务的需求

提出一种同时传输有线和无线信号的混合接入网系统。在下行链路中

无线信号以相位调制格式在光载波上传输

有线信号以强度调制格式重调制在光载波上

在ONU（光网络单元）采用不同的解调方案进行解调接收;在上行链路中

通过载波重用技术再调制有线基带信号并将其传输至OLT（光线路终端）

简化了系统的器件配置。利用光学软件Optisystem验证了系统的可靠性和有效性。仿真结果显示

无线链路信号和有线基带信号经过正交调制传输后

在用户端仍能得到较好效果的眼图

说明它们能被准确地接收。采用载波重用技术的上行基带信号也能被OLT准确地接收。

Abstract

In order to satisfy the demands for different high bandwidth services

a hybrid access network for simultaneous transmission of wired and wireless signals is presented.In the downstream links

wireless signals are transmitted in the phase modulation format

wired signals re-modulated in the intensity modulation format on optical carriers

and different demodulation schemes employed for modulation and reception at the ONU.In the upstream links

wired base-band signals are remodulated by using the carrier reuse technology and transmitted to the OLT

thus simplifying the system device configuration.The system reliability and effectiveness are verified by using the optical software Optisystem 7.0.The simulation results show that fairly good eye diagrams can be obtained at the user end after the wireless link signals and wired BB signals are modulated and transmitted

indicating that they can be accurately received and the upstream BB signals can also be accurately received at the OLT by using the carrier reuse technology.

关键词

光通信波分复用无源光网络正交调制梳状滤波器

Keywords

optical communicationWDM-PONorthogonal modulationinterleaver

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