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Research on Cluster-routing Protocol for Wireless Sensor Networks

Author: CaiMinZhi
Tutor: YinJianPing
School: National University of Defense Science and Technology
Course: Computer Science and Technology
Keywords: Wireless sensor networks Clustering routing protocol Abdication mechanism Partial order relation Active time
CLC: TN915.04
Type: Master's thesis
Year: 2007
Downloads: 92
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Abstract


The Internet has changed the way of interaction between people , wireless sensor networks will change the future of man and nature interact . Wireless sensor network architecture , network - layer routing technology is crucial . Sub-cluster routing topology management convenient , efficient energy use , simple data fusion , etc. , the current focus of the study routing technology . Study on the basis of clustering routing protocol for wireless sensor networks in many domestic and foreign , in this article in accordance with the members of the node to the cluster head node hops between the two cases of single-hop and multi-hop clustering routing protocol is divided into the two case agreement in turn divided into two parts of the sub- cluster and routing . Four parts , we obtain the following research : 1 , facing the smaller sensor network , in order to solve the problem of overlapping clustering algorithms exist between clusters proposed a node residual energy and neighbor node number stage of the single-hop clustering algorithm . Abdication mechanism to ensure that the cluster head node between adjacent cluster overlap significantly less than the ACE agreement for the same problem . 2 , in order to avoid further conflict in the data transfer process , on the basis of single-hop clustering algorithm based on the node number , through the adjustment of the affiliation of the member nodes to establish a partial order on the set of cluster head node , and to use this partial order relations to express the conflict between the clusters . Cluster head according to the partial order chain in turn determine the cluster data transmission scheme , no conflict between the various cluster data transmission . Experimental results show that the adjusted the overhead cluster structure and partial sequence length of the chain within the acceptable range . 3 -oriented medium-sized sensor networks , proposed an anchor node distributed multi-hop clustering methods to establish a hierarchy anchor nodes . The experimental results show that the sub- cluster method makes more balanced structure of each cluster , cluster structure clear . 4, on the basis of multi-hop clustering , an anchor node - based routing protocols . The protocol layers node energy consumption is more balanced, active time of the sensor nodes is greatly reduced compared to the existing agreement , thereby extending the life cycle of the sensor network . Finally , the agreement was extended to the use of two frequencies to transfer data .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Communication network > General issues > Communication protocols, communication protocols
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