Research and implementation of one-hop transmission framework in wireless network based on network coding

LU Yi-fei1; TAO Jun1; SHEN Cheng1; XIA Qin1

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Research and implementation of one-hop transmission framework in wireless network based on network coding

更新时间：2024-10-14

- Research and implementation of one-hop transmission framework in wireless network based on network coding
- Vol. 31, Issue 4, Pages: 45-54(2010)
- 作者机构：
  
  1. 东南大学计算机网络和信息集成教育部重点实验室
  2. 东南大学计算机科学与工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN92
- Published：2010
- 稿件说明：
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LU Yi-fei1, TAO Jun1, SHEN Cheng1, et al. Research and implementation of one-hop transmission framework in wireless network based on network coding[J]. 2010, 31(4): 45-54.
DOI：

LU Yi-fei1, TAO Jun1, SHEN Cheng1, et al. Research and implementation of one-hop transmission framework in wireless network based on network coding[J]. 2010, 31(4): 45-54. DOI：

摘要

为了解决无线链路易出错从而降低传输效率以及由于重传导致数据流间传输不公平

基于网络编码的思想

在无线单跳传输结构下

提出了基于编码组的传输模型

并根据中心站点的传输数据不同

分为内部数据传输模型和外部数据传输模型。基于上述传输模型

提出了一种基于编码组的数据传输框架。最后通过仿真实验

分析了ARQ单播策略、FEC单播策略和编码组传输框架的传输延迟

同时还对它们的传输吞吐量进行分析比较

并且在节点突发出错情景下分析ARQ单播策略、FEC单播策略和基于重传的编码组传输框架的吞吐量变化。实验表明:FTCG能够提高传输效率

并且在节点突发出错情景下能有效解决由于节点突发出错而造成的系统吞吐量急剧下降问题

保证了数据传输的公平性。

Abstract

To solve the problem of the efficient transmission in error-prone wireless network and unfairness attribute to retransmission. Inspired by the network coding

a transmission model based on coding group （TCG） was proposed. Because of the different type of packets of central station

this model also could be divided into internal transmission model （LTCG） and external transmission model （ETCG）. Furthermore

a transmission framework based on coding group （FTCG） was introduced as to the above model. At last

through the simulation

the transmission delay and throughput of the unicast strategy and FTCG separately were analyzed and compared. Moreover

under the condition of nodes’ burst error

the influence of the unicast strategy and retransmission based FTCG was proposed and analyzed. Simulation results show that FTCG can improve the transmission efficiency and solve the sharp decrement of performance with the condition of nodes’ burst error. FTCG can keep the transmission fairness of the different data.

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