Detección de plazas libres en entornos interiores basados en Zigbee (Parking spaces detection in indoor environments based on Zigbee)

Pablo Corral (pcorral@umh.es)1, Jose Antonio Perez (joseantprz@gmail.com)1, Antonio Cezar De Castro Lima (acdcl@ufba.br)2, Oswaldo Ludwig (oludwig@isr.uc.pt)3


1Universidad Miguel Hernández
2Universidade Federal de Bahia
3Universidade de Coimbra

This paper appears in: Revista IEEE América Latina

Publication Date: Jan. 2012
Volume: 10,   Issue: 1 
ISSN: 1548-0992


Abstract:
This paper describes the study about parking spaces detection in indoor environments, implementing a WSN (Wireless Sensor Network) based on Zigbee technology. Our study focuses on the analysis of the received power when a vehicle is parked or not, by monitoring the RSSI (Received Signal Strength Indicator) field defined in the MAC layer as the IEEE 802.15.4 describes. We focus in the analysis of three factors: data processing time, the influence of distance in received power and the attenuation effect in the signal when propagates, which determine the network topology to deploy and the validity of our location model.

Index Terms:
WSN, Zigbee, RSSI, Gauss-Newton Algorithm   


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