Method for discovering intra-session network coding opportunity in wireless ad hoc networks

DONG Chao1; QIAN Rui2; CHEN Gui-hai1; WANG Hai2

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Method for discovering intra-session network coding opportunity in wireless ad hoc networks

更新时间：2024-10-14

- Method for discovering intra-session network coding opportunity in wireless ad hoc networks
- Vol. 32, Issue 10, Pages: 92-98(2011)
- 作者机构：
  
  1. 南京大学软件新技术国家重点实验室
  2. 解放军理工大学通信工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.5
- Published：2011
- 稿件说明：
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DONG Chao1, QIAN Rui2, CHEN Gui-hai1, et al. Method for discovering intra-session network coding opportunity in wireless ad hoc networks[J]. 2011, 32(10): 92-98.
DOI：

DONG Chao1, QIAN Rui2, CHEN Gui-hai1, et al. Method for discovering intra-session network coding opportunity in wireless ad hoc networks[J]. 2011, 32(10): 92-98. DOI：

摘要

编码机会对流间网络编码协议的性能具有重要影响

包括AODV在内的大多数距离向量路由协议仅知道针对某个目的节点的一跳邻居信息

无法有效地发现编码机会。针对该问题

从节点需要掌握的网络拓扑信息这一角度

提出了编码机会有效发现的条件并从充分性与必要性两方面进行了分析

然后基于AODV路由协议进行了实现

同时利用真实的网络实验与网络仿真对所提条件进行了验证。实验与仿真结果表明

所提条件是正确的

可以有效地提高无线自组织网络的性能。

Abstract

Coding opportunity is critical to the performance of intra-session network coding in ad hoc networks.However

coding opportunity can not be discovered effectively with most distance-vector routing protocols including AODV which only knows one-hop neighbor node information.From the aspect of how much network topology information needs to be known

the condition under which the coding opportunity can be discovered effectively was proposed and the sufficiency and necessity of the condition was analyzed.Also the condition was implemented based on AODV routing protocol and validated with the help of real experiment and simulation.The results show that the proposed condition is correct and can improve the performance of wireless ad hoc networks effectively.

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