Wireless Network Coding Gain Aware Routing Protocol with Low Delay

TIAN Xian-zhong; ZHU Yi-hua; MIAO De-zhi

doi:10.3969/j.issn.0372-2112.2013.04.005

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Wireless Network Coding Gain Aware Routing Protocol with Low Delay

更新时间：2025-07-16

- Wireless Network Coding Gain Aware Routing Protocol with Low Delay
- Acta Electronica Sinica Vol. 41, Issue 4, Pages: 652-658(2013)
- 作者机构：
  
  浙江工业大学计算机科学与技术学院,浙江,杭州,310023
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2013.04.005
  CLC： TP393
- Published：2013
- 稿件说明：
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TIAN Xian-zhong, ZHU Yi-hua, MIAO De-zhi. Wireless Network Coding Gain Aware Routing Protocol with Low Delay[J]. Acta Electronica Sinica, 2013, 41(4): 652-658.
DOI：

TIAN Xian-zhong, ZHU Yi-hua, MIAO De-zhi. Wireless Network Coding Gain Aware Routing Protocol with Low Delay[J]. Acta Electronica Sinica, 2013, 41(4): 652-658. DOI： 10.3969/j.issn.0372-2112.2013.04.005.

摘要

降低无线网络数据包传递时延对实时应用有重要的意义.该文提出了一种编码增益的计算方法和编码图的简化方法

并基于此提出了编码增益感知的路由协议CGAR(Coding Gain Aware Routing).CGAR利用网络编码增益和无线链路的期望传输次数ETX(Expected Transmission Count)计算传递一个来自新流的数据包所需要的时间

并以此为选路度量

旨在降低数据传递时延.仿真试验表明

CGAR的时延优于COPE和DCAR协议.

Abstract

It is significant to reduce packet delivery delay for real-time applications in a wireless network.The algorithm of computing networking coding gain(NCG) and the method of simplifying coding graph are presented

which are used in the proposed coding gain aware routing(CGAR) protocol.The NCG and expected transmission count(ETX) of wireless links are used in CGAR to compute the time of transmitting a packet coming from a new flow

which is used as a routing metric in choosing a route so as to reduce packet delivery delay.Simulation results show that the proposed CGAR outperforms the DCAR and COPE protocols in terms of delay.

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Related Institution

College of Computer Science and Technology, Zhejiang University of Technology

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College of Computer Science and TechnologyZhejiang University of TechnologyHangzhouZhejiang 310023China

School of Information EngineeringZhejiang Forestry UniversityLin’anZhejiang 311300China

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