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Wireless Sensor Network is an adhoc network having nodes with constraints like less memory and processing capability. Nodes work without knowledge of their position in the network. After random deployment of nodes, some of the nodes are in critical position as they connect one group of sensor nodes to another. If these nodes are removed from the network it may lead to partitioning of network. Most...
For large-scale wireless sensor networks (WSNs), a three-layer topology architecture and an algorithm of topology control for its key communication layer are proposed in this paper. In the algorithm, the base station of the network leads the ring periodically to discover the minimum power cost links from base station to each sinks, and a minimum spanning tree will be constructed. This tree will be...
The energy-efficiency usage is relative to each layer of wireless sensor networks. In order to improve the ZigBee mesh routing protocol for energy-efficiency usage, we propose a routing algorithm combining AODVjr with the node residual energy. To reduce the energy consumption of bottleneck nodes and extend network lifetime, the improved routing algorithm aims to build a new balancing method between...
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