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Full-wave-based location system method evaluation

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3 Author(s)
Alvarez, Y. ; Area de Teor. de la Senal y Comun., Univ. de Oviedo. Edif. Polivalente de Viesques, Gijon, Spain ; De Cos, E. ; Las-Heras, F.

Evaluation of received signal strength (RSS)-based indoor location system is presented. The proposed method starts from the field amplitude decay law in free-space conditions, but also taking into account the near-field terms for those cases where the distance between transmitter and receiver does not meet far-field conditions. The proposed method is tested in a real indoor scenario, being the field level measured at different positions. The recorded field data are used to evaluate the method accuracy when determining the position of the RF transmitter. Practical considerations of a location system implementation using a ZigBee-based sensor network are finally discussed.

Published in:

Wireless Sensing, Local Positioning, and RFID, 2009. IMWS 2009. IEEE MTT-S International Microwave Workshop on

Date of Conference:

24-25 Sept. 2009