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In this paper compared the algorithms proposed in the method in wireless sensor network. Energy consumption is very important for self-powered radio nodes. But in some applications energy balancing is more important. Wireless sensor networks used in large areas like farmland or warehouses consist of hundreds of nodes. In classic method routing is directed to short time of transmission or low energy...
This paper considers the Euclidean shortest path problem among obstacles in ℝn. Adaptations of Dijkstra's and A* algorithms are introduced that compute the approximate cost-to-go function over a simplicial complex embedded in the free space. Interpolation methods are carefully designed and analyzed so that they are proven to converge numerically to the optimal cost-to-go function. As the result, the...
The shortest path problem in network has been studied widely and intensively over years, both in theoretical and in computational viewpoints. Many speed-up techniques for Dijkstra's algorithm have been developed. However, only few of those techniques work in time-dependent networks. This paper studies how to promptly answer the shortest path between a pair of nodes over a large time-dependent road...
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