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Plausibility of practical low-cost location using WSN path-loss law inversion

de S Neto, J.M.R., da Rocha Neto, J.S., Yang, Y. and Glover, Ian (2010) Plausibility of practical low-cost location using WSN path-loss law inversion. In: IET International Conference on Wireless Sensor Network 2010 (IET-WSN 2010). IET, pp. 260-265. ISBN 9781617825057

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The plausibility of using received signal strength indication (RSSI), as typically provided by receiving nodes of simple first-generation wireless sensor network technologies, for location of slow moving objects is tested experimentally in an open, flat, outdoor environment. The tests carried out use nodes operating to the IEEE 802.15.4 standard. The accuracy of a simple two-ray propagation model, appropriate to the open, flat, nature of the test area is investigated and an RSSI versus distance model is derived. The accuracy of a simple trilateration location algorithm based on an inversion of the path-loss model is then tested. Such a system is found to be plausible for applications requiring only modest location accuracies (within a few metres) and modest coverage (100s of metres).

Item Type: Book Chapter
Additional Information: Proceedings of a meeting held 15-17 November 2010, Beijing, China.
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Schools: School of Computing and Engineering
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Depositing User: Sharon Beastall
Date Deposited: 27 Mar 2013 13:15
Last Modified: 27 Mar 2013 13:15


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