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Sensors 2015, 15(10), 24886-24902; doi:10.3390/s151024886

Layered Location-Based Security Mechanism for Mobile Sensor Networks: Moving Security Areas

School of Computer Science and Software Engineering, Tianjin Polytechnic University, Tianjin 300387, China
These authors contributed equally to this work.
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Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 23 June 2015 / Revised: 6 September 2015 / Accepted: 21 September 2015 / Published: 25 September 2015
(This article belongs to the Section Sensor Networks)
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Abstract

Network security is one of the most important issues in mobile sensor networks (MSNs). Networks are particularly vulnerable in hostile environments because of many factors, such as uncertain mobility, limitations on computation, and the need for storage in mobile nodes. Though some location-based security mechanisms can resist some malicious attacks, they are only suitable for static networks and may sometimes require large amounts of storage. To solve these problems, using location information, which is one of the most important properties in outdoor wireless networks, a security mechanism called a moving security area (MSA) is proposed to resist malicious attacks by using mobile nodes’ dynamic location-based keys. The security mechanism is layered by performing different detection schemes inside or outside the MSA. The location-based private keys will be updated only at the appropriate moments, considering the balance of cost and security performance. By transferring parts of the detection tasks from ordinary nodes to the sink node, the memory requirements are distributed to different entities to save limited energy. View Full-Text
Keywords: mobile sensor networks; malicious attacks; location-based key; replication attack mobile sensor networks; malicious attacks; location-based key; replication attack
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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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Wang, Z.; Zhang, H.; Wu, L.; Zhou, C. Layered Location-Based Security Mechanism for Mobile Sensor Networks: Moving Security Areas. Sensors 2015, 15, 24886-24902.

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