Istituto di Scienza e Tecnologie dell'Informazione     
Barsocchi P., Lenzi S., Chessa S., Giunta G. Virtual calibration for RSSI-based indoor localization with IEEE 802.15.4. In: ICC 2009 - IEEE International Conference on Communications (Dresden, Germany, 14-18 June 2009). Proceedings, pp. 512 - 516. IEEE, 2009.
Localization systems based on Received Signal Strength Indicator (RSSI) exploit fingerprinting (based on extensive signal strength measurements) to calibrate the system parameters. This procedure is very expensive in terms of time as it relies on human operators. In this paper we propose a virtual calibration procedure which only exploits the measurements of the RSSI between pairs of anchors. In particular we propose two heuristics for virtual calibration and we evaluate their performance with respect to an ad-hoc calibration campaign by performing measures in an indoor environment with an IEEE 802.15.4 sensor network.1
DOI: 10.1109/ICC.2009.5199566
Subject Localization
Sensor Network
Propogation Model
C.2.2 Network Protocols

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