Tuesday, April 6, 2010

large number of sensor nodes

Wireless sensor network (WSN), which is composed of a large number of sensor nodes, is a multi-hop and ad hoc network that is connected by wireless telecommunication technologies. It aims to collaboratively detecting, collecting and processing network discount wedding prom dresses information in a certain region and sending the information back to observers through wireless communication. However, Information transmission cannot be separated from the network routing algorithm. Therefore, Routing algorithm is not only a key to ensure the normal operation of the wedding dresses form china WSN network, but also an important factor to impact of network performance.The design of the routing algorithm in WSN has been mainly studied in order to improve the performance of WSN. The clustering routing algorithm has been selected as the research target cheap nike shoes purposefully. In this paper, cluster-based routing mechanisms for wireless sensor networks are analyzed. The selection of the cluster head, the formation of the cluster and the routing of the cluster are three key techniques in cluster-based routing algorithms. As viewed from the three techniques, recent representative cluster-based routing algorithms are systemically described, and their characteristics and application areas are compared and analyzed. Based on these cluster-based routing algorithms, a kind of clustering routing wedding dresses 2nd algorithm based on the multi-path MPCR has been proposed. The main idea can be listed as followed:Firstly, in the cluster-building phase, MPCR comprehensively considers the residual chi hair straightener energy of the nodes, the position of the head nodes of the cluster and the optimal number of the head nodes of the cluster.
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