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Analysis and Improvement of Responsive Clustering-based Routing Protocols

Author: LiXia
Tutor: ShiEnPei
School: Shandong University
Course: Applied Computer Technology
Keywords: Wireless Sensor Networks Routing-Protocol TEEN Simulation
CLC: TP212.9
Type: Master's thesis
Year: 2011
Downloads: 13
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Abstract


Because the sensor nodes’storage capacity, computing capacity and energy are limited in Wireless Sensor Networks, the design of efficient routing protocols for Wireless Sensor Networks become the key technologies. In this paper, the protocol TEEN is improved, and a new protocol I-TEEN is proposed using multi-hop and agency message to form a routing. Compared with the TEEN, I-TEEN extend network lifetime, reducing energy consumption for large-scale Wireless Sensor Networks application.In this paper the concept of Wireless Sensor Networks, the WSN’s architecture and its research situation are introduced. The analysis and comparison of the existing routing protocols for WSN are also done. An improved strategy is proposed based on TEEN protocol. In this paper, the following works is done:first, analysis of the TEEN protocol that needed to improve. The cluster head election is not reasonable. The network size is limited because of the single-hop communications between nodes and cluster head nodes. Second, two improvements are proposed based on the TEEN algorithm. One improvement is that in the election of cluster heads, a new threshold formula is used to get the balance of network load. The other one is that the nodes communicate with cluster heads using the multi-hop routing, and the communication among the cluster head nodes and sink node use multi-hop routing. The formation of routing path is similar with Rumor Routing. Finally, analysis of the improvement is done in theory. The new protocol is simulated using the OPNET Modeler. Through the simulation results the improved protocol is compared with TEEN in network life and energy consumption. The new protocol’s performance has improved. Finally, the shortcoming of the new protocol and its future research direction are pointed out.

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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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