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Study On Multi-hop-based Wireless Sensor Network Routing Protocol Routing Protocols

Posted on:2011-07-15Degree:MasterType:Thesis
Country:ChinaCandidate:Z MaFull Text:PDF
GTID:2178360308463561Subject:Signal and Information Processing
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With the rapid development and increasingly mature of computer technologies, Micro-Electronics technologies and wireless communication have brought us a revolution of sensing information with Wireless Sensor Network (WSN)which is low-power–consumption, inexpensive, separately controlled and self organized. Due to the limited energy of senor nodes, how to effectively use energy to prolong networks lifetime is one of the most important research topics for WSN in practical application.Routing is one of the most important functions to promote the wholeness in WSNs and so in this dissertation, we focus on designing energy-efficient routing protocols in WSNs and prolong the life of the network. This dissertation presents the improvement clustering routing protocol based on energy through the study of those in WSNs.For the most part of this thesis, we discuss the routing protocols in WSN, then study deeply these nowadays routing protocols and summarize the difficulties and challenges we have to face to. With an emphasis on the clustering algorithm MEET which applies to WSNs, this paper considers four factors including residual energy, AMRP, distance to base station and numbers of neighbors to weigh the function which select the cluster heads by Introducing analytic hierarchy process to identify weighted coefficients which better makes cluster heads distributes properly in space and time. The results of the experiments show that each of our approach distributes the energy dissipation more evenly than other clustering schemes, reduces overall energy consumption and improves the network lifetime. Finally, the conclusion and prospect of this subject have been presented.
Keywords/Search Tags:wireless sensor network, weight, clustering, energy efficiency, routing
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