e-ISSN : 0975-3397
Print ISSN : 2229-5631
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ABSTRACT

Title : Recovery based Time Synchronization for Wireless Networks
Authors : Anita Kanavalli, P Deepa Shenoy, Venugopal K R and L M Patnaik
Keywords : Time synchronization, Attacks, Security, Re- covery, Clock Adversary, Compromise nodes.
Issue Date : November 2011
Abstract :
Time synchronization schemes in Wireless Sensor Net- works have been subjected to various security threats and attacks. In this paper we throw light on some of these at- tacks. Nevertheless we are more concerned with the pulse delay attack which cannot be countered using any of the cryptographic techniques. We propose an algorithm called Resync algorithm which not only detects the delay attack but also aims to rectify the compromised node and intro- duce it back in the network for the synchronization process. In-depth analysis has been done in terms of the rate of suc- cess achieved in detecting multiple outliers i.e. nodes under attack and the level of accuracy obtained in the offset values after running the Resync algorithm.
Page(s) : 3596-3605
ISSN : 0975–3397
Source : Vol. 3, Issue.11

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