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Research of Cluster Routing Protocol for Wireless Sensor Networks

Author: ShiZhongHua
Tutor: LiuPing
School: Shantou University
Course: Signal and Information Processing
Keywords: Wireless sensor networks Unequal clustering Routing Protocol Network life cycle
CLC: TP212.9
Type: Master's thesis
Year: 2011
Downloads: 53
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Abstract


The wireless sensor network is deployed in large numbers in the monitoring area sensor node wireless network through wireless communication . Through its portable battery-powered sensor nodes , the energy is very limited , thus making the node energy efficient use of the primary design goal for wireless sensor networks . Through the efficient design of wireless sensor network routing protocols , can effectively reduce the computation and network traffic , reducing the node energy consumption , improve sensor nodes energy utilization efficiency and extend the network life cycle . This paper first introduces the wireless sensor network system architecture and protocol stack structure and sensor nodes . Secondly classify the wireless sensor network routing protocols , specifically describes the typical routing protocols along with their contrast . Again , the introduction of a non- uniform clustering routing protocol EEUC EEUC protocol works and operational mechanism analysis , and propose a time-based non-uniform clustering routing protocol (UCRT) and another based on uniform time clustering Hybrid Routing agreement (ECHT). Angle of departure from the non- uniform clustering proposed UCRT agreement , for EEUC agreement in select cluster head consume more energy . The protocol uses node in the cluster head of its election time comes to become a cluster head to broadcast the node election cluster head time and its remaining energy is inversely proportional to the broadcast radius of its competition radius . When the node receives the message , and then withdraw from the race . In the cluster formation phase , the ordinary choose to join the cluster head node based on the received message signal strength to the cluster head . Uniform clustering perspective proposed ECHT agreement with UCRT protocol mechanism in the cluster head and the stage of the formation of clusters , and transfer data in inter-cluster data transfer phase in the use of multi-hop and single hop combining to the base station , the establishment of a the forwarding cost function , to head to the base station according to the distance between the cluster head and cluster head residual energy , as well as forwards cluster distance and the residual energy of to select Forward price for the smallest cluster head as the next hop . Finally, the proposed clustering routing protocol and EEUC protocol simulation comparison experiments verify the feasibility and effectiveness of routing protocols in the nodes energy savings and the extension of the network life cycle herein .

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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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