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ROCRSSI++: An Efficient Localization Algorithm for Wireless Sensor Networks
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Author(s): Flavio Frattini (Institute of High Performance Computing and Networking, Italy), Christian Esposito (Università di Napoli Federico II, Italy)and Stefano Russo (Università di Napoli Federico II, Italy)
Copyright: 2013
Pages: 19
Source title:
Innovations and Approaches for Resilient and Adaptive Systems
Source Author(s)/Editor(s): Vincenzo De Florio (PATS Research Group, University of Antwerp and iMinds, Belgium)
DOI: 10.4018/978-1-4666-2056-8.ch015
PurchaseView on the publisher's website for pricing and purchasing information.
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Abstract
Localization within a Wireless Sensor Network consists of defining the position of a given set of sensors by satisfying some non-functional requirements such as (1) efficient energy consumption, (2) low communication or computation overhead, (3) no, or limited, use of particular hardware components, (4) fast localization, (5) robustness, and (6) low localization error. Although there are several algorithms and techniques available in literature, localization is viewed as an open issue because none of the current solutions are able to jointly satisfy all the previous requirements. An algorithm called ROCRSSI appears to be a suitable solution; however, it is affected by several inefficiencies that limit its effectiveness in real case scenarios. This paper proposes a refined version of this algorithm, called ROCRSSI++, which resolves such inefficiencies using and storing information gathered by the sensors in a more efficient manner. Several experiments on actual devices have been performed. The results show a reduction of the localization error with respect to the original algorithm. This paper investigates energy consumption and localization time required by the proposed approach.
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