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Research of Clustering Routing Algorithms in Wireless Sensor Networks

Author: ChenXueJiao
Tutor: LiXiangYang
School: South China University of Technology
Course: Control Theory and Control Engineering
Keywords: Wireless sensor networks Clustering routing protocol LEACH protocol Network life cycle
CLC: TP212.9
Type: Master's thesis
Year: 2010
Downloads: 103
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Abstract


Technical means of wireless sensor networks as a new type of data collection , both in the military field or civilian areas are subject to more and more attention . The wireless sensor network is formed by a large number of random Dispenser sensor nodes in the area of monitoring , wireless communication multi-hop self-organizing network system . Due to the energy carried by the sensor nodes is very limited , so how to effectively use the node energy , improve network life cycle is one of the important research topic in wireless sensor network routing protocols . Clustering routing protocol topology management convenience , efficient energy use , simple data fusion , etc. , the current focus of the study routing technology . Firstly, the wireless sensor network architecture , features and key technologies are introduced , and , depending on the specific application requirements of the typical routing protocols classification , analysis of the different design ideas and features . Second LEACH as the research object , select a typical clustering routing protocol on LEACH protocol works and operational mechanism , then focus on the analysis and comparison of ten kinds of improved clustering protocol LEACH protocol . Finally, on the basis of the analysis and summary of existing routing protocols proposed a clustering based responsive hybrid routing algorithm . In the first cluster electoral and cluster formation stage , the algorithm need not know in advance the position information of the node itself and the other nodes , but only based on the local topology information the first election of the fast distributed clusters and clusters is divided in accordance with the minimum cost function , effective control of the number of clusters , as well as a uniform distribution in space . Combines the advantages of single-hop and multi-hop routing protocol in the data transfer phase , using a probability - based single-hop and multi-hop mixed communication mode to solve the internal and external links point energy consumed quite different problem . New algorithm simulation using MATLAB . Experimental results show that the clustering algorithm having a good load balance and smaller protocol overhead and to improve the energy use efficiency of a node , in largely extending the network lifetime .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation components,parts > Transmitter ( converter),the sensor > Sensor applications
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