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Abstract
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Article Information:
On Location Estimation Methods for Mobile Wireless Sensor Nodes
Marwan Al-Jemeli and Fawnizu Azmadi Hussin
Corresponding Author: Marwan Al-Jemeli
Submitted: March 29, 2014
Accepted: May 09, 2014
Published: July 05, 2014 |
Abstract:
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This study presents an energy-efficient location estimation method aimed for mobile nodes in wireless sensor networks. The proposed method is a combination of two operations. Trilateration method is combined with a vector based incremental updates which is implemented by using a digital compass and a speedometer to estimate the location of the mobile node. This combined operation decreases the power consumed from the mobile node trying to locate itself. The proposed method has been implemented on an arduino-based mobile robot with wireless communication peripherals. The implementation shows that the location estimation accuracy is between 0.69-1.97 m from the actual location of the mobile node. The average location estimation error is comparable to other proposed methods for locating mobile sensor nodes. Based on the actual measurement of the test system, the energy consumption of the proposed method is 20% less than the trilateration method alone.
Key words: Digital compass, energy, localization, trilateration, wireless sensor networks, ,
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Cite this Reference:
Marwan Al-Jemeli and Fawnizu Azmadi Hussin, . On Location Estimation Methods for Mobile Wireless Sensor Nodes. Research Journal of Applied Sciences, Engineering and Technology, (1): 124-130.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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