Friday, March 26, 2010

nodes in WSN

Gauss-Markov Moving Model has been applied to the localization of nodes in WSN. The mobile nodes equipped with global positioning system (GPS) move around in cheap bridal wedding dress 2010 WSN, and periodly broadcast the beacon the flat iron shop for us messages, all these virtual beacons are introduced to realize nodes localization assistantly. At the same time, an acoustic-energy decrease model is introduced in the paper, which could reflect the distance information between nodes. In the paper, A MVB-AL localization algorithm is proposed based on hyper-sphere intersection 12hot cheap prom dresses mechanism. The simulation results show that it has better positioning accuracy and greater coverage rate compared with centroid algorithm and weighted chi flat iron store centroid algorithm.3. On the basis of IEEE 802.15.4/ZigBee standards and SoC technology, this thesis selects sell discount wedding dresses CC2430 as a microcontroller and RF chip and designs the hardware platform of the nodes. The thesis describes the overall design idea in detail as well as the circuit design process of sub-modules, which lays a foundation for further work.Finally, this article summarizes the work that is done, and looks into the future prospect of work.
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