Recovery based Time Synchronization for Wireless Networks
Journal Title: International Journal on Computer Science and Engineering - Year 2011, Vol 3, Issue 11
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.
Authors and Affiliations
Anita Kanavalli , P Deepa Shenoy , Venugopal K R , L M Patnaik
Keywords
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