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Mitigating propagation errors for indoor positioning in wireless sensor networks

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

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Abstract

Implementing positioning systems for indoor environments is notoriously difficult. The vast array of interacting parameters such as furniture, room shape and materials mean that the simulation of such an environment is of limited value. We present in this paper results from an empirical investigation. as to the attainable accuracy of a Radio Frequency (RF) positioning system based on received signal strength (RSS). Methods to improve confidence, such as frequency averaging and bi-directional ranging, are explored. Finally we present and evaluate a novel method for calibrating the channel propagation exponent with no prior knowledge of the sensor network layout or room shape.


Publication metadata

Author(s): Ladha C, Sharif BS, Tsimenidis CC

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IEEE International Conference on Mobile Adhoc and Sensor Systems

Year of Conference: 2007

Pages: 704-709

Publisher: IEEE

URL: http://dx.doi.org/10.1109/MOBHOC.2007.4428680

DOI: 10.1109/MOBHOC.2007.4428680

Library holdings: Search Newcastle University Library for this item

ISBN: 9781424414550


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