Monday, March 29, 2010

traditional wireless networks

Wireless sensor network is composed of lots of sensor nodes, which work together for acquiring, processing information, and transferring it to observers. Distinguished from traditional wireless networks, sensor networks are characterized of severe power, computation, communication bandwidth, and memory constraints. Due to the strict energy ralph lauren polo shirts constraint, energy resource of sensor networks should be managed wisely to extend the lifetime of sensors.Firstly, the thesis introduced the basic concepts, features, applications, research in the topology cheap wedding gown dresses control. And then the basic concepts of small-world networks and the application in wireless network are proposed. Aiming to simplify the network topology, optimize the routing, reduce and balances the energy consumption and increases the network lifetime, we propose clustering custom made prom dresses optimization and clustering algorithm based on the node clustering coefficient and the edge clustering coefficient. To get further improvement on the energy efficiency of the wireless sensor discount wedding dresses networks, we add wires acting as shortcuts based on the clustered network model to bring down the hop count which construct a small world. Finally, a new definition of invulnerability is cheap evening dresses proposed, two measure of invulnerability are proposed for the two different damages, and we make simulation to evaluate the wireless sensor network invulnerability based on the small-world model.
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