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J. Sens. Actuator Netw. 2017, 6(4), 24; doi:10.3390/jsan6040024

Localization in Wireless Sensor Networks: A Survey on Algorithms, Measurement Techniques, Applications and Challenges

1
Department of Electronics and Communications Engineering, East West University, Dhaka 1212, Bangladesh
2
Waseda University, Tokyo 169-8050, Japan
*
Author to whom correspondence should be addressed.
Received: 11 September 2017 / Revised: 20 October 2017 / Accepted: 24 October 2017 / Published: 27 October 2017
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Abstract

Localization is an important aspect in the field of wireless sensor networks (WSNs) that has developed significant research interest among academia and research community. Wireless sensor network is formed by a large number of tiny, low energy, limited processing capability and low-cost sensors that communicate with each other in ad-hoc fashion. The task of determining physical coordinates of sensor nodes in WSNs is known as localization or positioning and is a key factor in today’s communication systems to estimate the place of origin of events. As the requirement of the positioning accuracy for different applications varies, different localization methods are used in different applications and there are several challenges in some special scenarios such as forest fire detection. In this paper, we survey different measurement techniques and strategies for range based and range free localization with an emphasis on the latter. Further, we discuss different localization-based applications, where the estimation of the location information is crucial. Finally, a comprehensive discussion of the challenges such as accuracy, cost, complexity, and scalability are given. View Full-Text
Keywords: localization; range free; survey; wireless sensor network; mobile anchor localization; range free; survey; wireless sensor network; mobile anchor
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Paul, A.K.; Sato, T. Localization in Wireless Sensor Networks: A Survey on Algorithms, Measurement Techniques, Applications and Challenges. J. Sens. Actuator Netw. 2017, 6, 24.

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