基于NS2的IEEE-1394b光网络仿真

段靖远; 张春熹

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基于NS2的IEEE-1394b光网络仿真

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- 基于NS2的IEEE-1394b光网络仿真
- 基于NS2的IEEE-1394b光网络仿真
- Issue 1, (2009)
- 作者机构：
  
  北京航空航天大学仪器科学与光电工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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段靖远, 张春熹. 基于NS2的IEEE-1394b光网络仿真[J]. 2009, (1).
DOI：

段靖远, 张春熹. 基于NS2的IEEE-1394b光网络仿真[J]. 2009, (1). DOI：

摘要

针对航电系统多传感器、高带宽数据传输的迫切需求

提出了基于IEEE-1394b协议构建航电系统光网络的方法.对IEEE-1394b的协议结构进行了研究

并扩展了仿真软件NS2的功能

使其支持IEEE-1394b的网络仿真

建立了IEEE-1394b光网络的仿真模型.对光网络的重要参数带宽利用率在不同节点数条件下分别进行了等时与异步数据传输的仿真

得出了IEEE-1394b网络等时数据传输较异步数据传输有更高带宽利用率的结论

验证了IEEE-1394b协议的带宽预留机制并对数据传输中带宽利用率的变化进行了分析

得出了IEEE-1394b光网络适合用于对等时数据有较高要求的航电系统的结论.

Abstract

Aiming at the urgency of multi-sensor and high bandwidth data transfer in avionic system

the scheme of constructing optical network based on IEEE-1394b protocol was proposed.The structure of IEEE-1394b was analyzed and some new functions of NS2 simulation software were extended to support the simulation of IEEE-1394b network.The IEEE-1394b optical network simulation model was built up.Bandwidth utilization which is the important parameter of optical network was simulated under the condition of different node numbers and different transfer modes

which includes asynchronous mode and isochronous mode.The result that isochronous data transfer has higher bandwidth utilization than asynchronous data transfer in IEEE-1394b network was got.The bandwidth preservation mechanism of IEEE-1394b was verified and the variation of bandwidth utilization in data transfer was analyzed.The conclusion that IEEE-1394b optical network is capable of avionic system which requires high bandwidth isochronous data transfer was made.

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