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Minimising distance ambiguity through thresholding RSS measurements in Wireless Sensor Networks

Lookup NU author(s): Dr Cassim Ladha, Professor Bayan Sharif, Dr Charalampos Tsimenidis

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Abstract

Making distance measurements with RSS can be challenging in indoor environments. The effect of multipath and shadowing introduces ambiguity into the readings, leading to a range of distances that can be inferred from a single measurement. This contribution highlights the frequency dependancy of these effects. Lower and upper bounding constraints are introduced to achieve an practical operational range and mitigate the possibilty of ambiguous RSS measurements. In the results section we verify our theoretical limits with practical based experimental results. We also highlight the gains in RMSE when our thresholding approach is transfered to a localisation scheme.


Publication metadata

Author(s): Ladha C, Sharif B, Tsimenidis C, Latiff NMA

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)

Year of Conference: 2008

Pages: 1297-1300

Publisher: IEEE

URL: http://dx.doi.org/10.1109/PIMRC.2008.4699643

DOI: 10.1109/PIMRC.2008.4699643

Library holdings: Search Newcastle University Library for this item

ISBN: 9781424426430


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