Title :
A node localization scheme for zigbee-based sensor networks
Author :
Navarro-Alvarez, Ernesto ; Siller, Mario
Author_Institution :
Comput. Sci. Dept., CINVESTAV-Unidad Jalisco, Zapopan, Mexico
Abstract :
The localization problem consists in estimating the position of the nodes within the network. This is a crucial issue for location-dependant applications. This paper presents an implementation of a localization scheme based only on the received signal strength (SS) in a Zigbee-based sensor network. This is done by taking advantage of the inherent radio communication capability present in each node. The algorithm is intended for an outdoor environment. It is based in a model, which infers distance between neighboring nodes using the SS. A coordinate system is then derived employing a multidimensional scaling (MDS) technique. The signal power level variability due to ground reflection is approached using Lloyd effect (from optics) and incorporated in the model.
Keywords :
radio direction-finding; wireless sensor networks; Lloyd effect; Zigbee-based sensor networks; coordinate system; ground reflection; multidimensional scaling technique; node localization scheme; outdoor environment; position estimation; radio communication; received signal strength; signal power level variability; Computer science; Multidimensional systems; Optical attenuators; Optical receivers; Optical reflection; Optical sensors; Optical transmitters; Power system modeling; Wireless sensor networks; ZigBee; IEEE 802.15.4; Sensors; Wireless networks; Zigbee; multidimensional scaling;
Conference_Titel :
Systems, Man and Cybernetics, 2009. SMC 2009. IEEE International Conference on
Conference_Location :
San Antonio, TX
Print_ISBN :
978-1-4244-2793-2
Electronic_ISBN :
1062-922X
DOI :
10.1109/ICSMC.2009.5346711
