Interference-Avoidance Based Localization for Multiple Mobile Nodes in Mobile Wireless Sensor Networks


The KIPS Transactions:PartC, Vol. 16, No. 1, pp. 91-100, Feb. 2009
10.3745/KIPSTC.2009.16.1.91,   PDF Download:

Abstract

Given the increased interest in ubiquitous computing, wireless sensor network has been researched widely. The localization service which provides the location information of mobile user, is one of important service provided by sensor network. Many methods to obtain the location information of mobile user have been proposed. However, these methods were developed for only one mobile user so that it is hard to extend for multiple mobile users. If multiple mobile users start the localization process concurrently, there could be interference of beacon or ultrasound that each mobile user transmits. In the paper, we propose IAL, the localization technique with interference avoidance for multiple mobile nodes in mobile wireless sensor networks. In IAL, interference is prevented by forcing the mobile node to get the permission of localization from anchor nodes. For this, we define LIP packet type for localization initiation by mobile node and LGP packet type for localization grant by anchor node. LRP packet type is used to reject localization by anchor node for interference avoidance. The experimental result shows that the number of interference between nodes are increased in proportion to the number of mobile nodes and IAL provides efficient localization.


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Cite this article
[IEEE Style]
J. Y. Lee and I. B. Jung, "Interference-Avoidance Based Localization for Multiple Mobile Nodes in Mobile Wireless Sensor Networks," The KIPS Transactions:PartC, vol. 16, no. 1, pp. 91-100, 2009. DOI: 10.3745/KIPSTC.2009.16.1.91.

[ACM Style]
Joah Young Lee and In Bum Jung. 2009. Interference-Avoidance Based Localization for Multiple Mobile Nodes in Mobile Wireless Sensor Networks. The KIPS Transactions:PartC, 16, 1, (2009), 91-100. DOI: 10.3745/KIPSTC.2009.16.1.91.