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The Improvement Research of Wireless Sensor Network Routing Algorithm

Author: YuanYue
Tutor: ZongPing
School: Nanjing University of Posts and Telecommunications
Course: Computer technology
Keywords: Wireless Sensor Network Routing Protocol IDTRDD Clustering ThresholdMechanism
CLC: TP212.9
Type: Master's thesis
Year: 2011
Downloads: 57
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Abstract


With the progress and development of science and technology, the applications ofwireless sensor networks (WSN) are becoming more and more widely, which is becoming ahot issue of the computer science and technology. WSN mixes sensor technique, embeddedcomputing technique, distributing information processing technique and wirelesscommunication technique together. WSN has a bright future of theoretical studies andapplication.There are so many differences between wireless sensor network and traditional networkcommunication technologies. An important difference is the energy consumption of sensornodes. The Clustering algorithm and Directed Diffusion (DD) are the main technical means inwireless sensor network routing protocol. In order to reduce the number of unnecessary nodestransceiver and solve the problem of networks nodes energy load imbalance, this thesisproposes an improved routing algorithm called IDTRDD with combining clustering anddirected diffusion. The IDTRDD algorithm clusters sensor nodes. The communication betweenthe different clusters uses DD algorithm. The communication in the cluster uses the clusterhead nodes to gather data. Besides IDTRDD algorithm adopts the cluster head rotation basedon the threshold mechanism to avoid the excessive use of cluster head nodes, accordingly tobalance energy consumption and maximize the network life.This thesis realized the IDTRDD algorithm on GloMoSim platform, the results of thesimulation experiment show that the IDTRDD algorithm has obviously positive effect ondecreasing average consumed energy and reducing nodes death ratio, so as to achieve thepurpose of 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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