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Title: Dead reckoning localisation technique for mobile wireless sensor networks
Authors: Rashid, H
Turuk, A K
Keywords: Mobile wireless sensor networks
Distributed localization
Range based localization
Dead reckoning
Issue Date: Apr-2015
Publisher: The Institution of Engineering and Technology
Citation: IET Wireless Sensor Systems, Volume 5, Issue 2, April 2015, p. 87 – 96
Abstract: Localization in wireless sensor networks (WSNs) not only provides a node with its geographical location but also a basic requirement for other applications such as geographical routing. Although a rich literature is available for localization in static WSN, not enough work is done for mobile WSNs, owing to the complexity due to node mobility. Most of the existing techniques for localization in mobile WSNs uses Monte-Carlo localization (MCL), which is not only time-consuming but also memory intensive. They, consider either the unknown nodes or anchor nodes to be static. In this paper, we propose a technique called Dead Reckoning Localization for mobile WSNs (DRLMSN). In the proposed technique all nodes (unknown nodes as well as anchor nodes) are mobile. Localization in DRLMSN is done at discrete time intervals called checkpoints. Unknown nodes are localized for the first time using three anchor nodes. For their subsequent localizations, only two anchor nodes are used. The proposed technique estimates two possible locations of a node Using Bezout’s theorem. A dead reckoning approach is used ´to select one of the two estimated locations. We have evaluated DRLMSN through simulation using Castalia simulator, and is compared with a similar technique called RSS-MCL proposed by Wang and Zhu [1].
URI: 10.1049/iet-wss.2014.0043
ISSN: 2043-6386
Appears in Collections:Journal Articles

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