UNCERTAINTY IN TRILATERATION - Is RSSI-based Range Estimation Accurate Enough for Animal Tracking?

Ragnar Stølsmark, Erlend Tøssebro

Abstract

Animal tracking is important to farmers. It is mainly performed using GPS receivers. Equipping only some of the animals with GPS receivers and have the others use them as beacons for RSSI-based trilateration could be beneficial. This article tests whether such a solution is possible from an uncertainty point of view. First a range of RSSI measurements were performed. These measurements were used to create a formula for RSSI as a function of distance. The RSSI standard deviation measured in the tests gave an indication of the error, or uncertainty, related to using RSSI to calculate distance. The distance function and standard deviation were then used as a basis for simulations that calculated the uncertainty of RSSI-based range estimation. The simulations showed that the localization error related to distance estimation by RSSI was too high for it to be an efficient solution, even with a device twice as accurate as the test device.

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Paper Citation


in Harvard Style

Stølsmark R. and Tøssebro E. (2012). UNCERTAINTY IN TRILATERATION - Is RSSI-based Range Estimation Accurate Enough for Animal Tracking? . In Proceedings of the 1st International Conference on Sensor Networks - Volume 1: SENSORNETS, ISBN 978-989-8565-01-3, pages 237-241. DOI: 10.5220/0003834402370241


in Bibtex Style

@conference{sensornets12,
author={Ragnar Stølsmark and Erlend Tøssebro},
title={UNCERTAINTY IN TRILATERATION - Is RSSI-based Range Estimation Accurate Enough for Animal Tracking?},
booktitle={Proceedings of the 1st International Conference on Sensor Networks - Volume 1: SENSORNETS,},
year={2012},
pages={237-241},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003834402370241},
isbn={978-989-8565-01-3},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 1st International Conference on Sensor Networks - Volume 1: SENSORNETS,
TI - UNCERTAINTY IN TRILATERATION - Is RSSI-based Range Estimation Accurate Enough for Animal Tracking?
SN - 978-989-8565-01-3
AU - Stølsmark R.
AU - Tøssebro E.
PY - 2012
SP - 237
EP - 241
DO - 10.5220/0003834402370241