Research on data transport mechanism of application layer in wireless sensor network

doi:10.3778/j.issn.1002-8331.2010.01.002

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (1): 4-6.DOI: 10.3778/j.issn.1002-8331.2010.01.002

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Research on data transport mechanism of application layer in wireless sensor network

ZHENG Yu-huang，LI Di，YE Feng

School of Mechanical and Automotive Engineering，South China University of Technology，Guangzhou 510640，China

Received:2009-07-09 Revised:2009-08-10 Online:2010-01-01 Published:2010-01-01
Contact: ZHENG Yu-huang

无线传感器网络的应用层数据传送研究

郑誉煌，李迪，叶峰

华南理工大学机械与汽车工程学院，广州 510640

通讯作者: 郑誉煌

Abstract

Abstract: Reliable data transmission is basic requirement in a Wireless Sensor Network（WSN）.In this paper，a comparative investigation of existing data transport mechanisms of application layer is conducted in WSN and their deficiencies are pointed out.The closed-loop event-triggered data transport mechanism is introduced in WSN.According to the feedback of destination node，the release node evaluates whether to send data in this mechanism.This mechanism improves the delivery rate and decreases data redundancy and communication traffic in WSN.The analysis and simulation validate that this mechanism is quite effective in WSN with channel instability.

Key words: wireless sensor network, data transport mechanism, time-driven, event-driven, event-trigger

摘要： 可靠的数据传送是无线传感器网络（Wireless Sensor Network，WSN）的基本要求。通过分析现有WSN的应用层数据传送机制，指出它们的不足之处，并提出了WSN的闭环事件触发型数据传送机制。该机制中，源节点根据目标节点的反馈，决定是否继续发送数据。这个机制具有发送可靠、产生通信数据量和冗余数据量少的优点。理论分析及仿真结果表明，该机制在信道不稳定的WSN中具有很好的效果。

关键词: 无线传感器网络, 数据传送, 时间驱动, 事件驱动, 事件触发

CLC Number:

TP393

ZHENG Yu-huang，LI Di，YE Feng. Research on data transport mechanism of application layer in wireless sensor network[J]. Computer Engineering and Applications, 2010, 46(1): 4-6.

郑誉煌，李迪，叶峰. 无线传感器网络的应用层数据传送研究[J]. 计算机工程与应用, 2010, 46(1): 4-6.

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Research on data transport mechanism of application layer in wireless sensor network

无线传感器网络的应用层数据传送研究

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