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http://dx.doi.org/10.5392/JKCA.2012.12.07.021

Approximate Lost Data Recovery Scheme for Data Centric Storage Environments in Wireless Sensor Networks  

Seong, Dong-Ook (보아스전자(주) 기술연구소)
Park, Jun-Ho (충북대학교 정보통신공학부)
Hong, Seung-Wan (충북대학교 정보통신공학부)
Yoo, Jae-Soo (충북대학교 정보통신공학부)
Publication Information
The Journal of the Korea Contents Association / v.12, no.7, 2012 , pp. 21-28 More about this Journal
Abstract
The data centric storage (DCS) scheme is one of representative methods to efficiently store and maintain data generated in wireless sensor networks. In the DCS schemes, each node has the specified data range for storing data. This feature is highly vulnerable to the faults of nodes. In this paper, we propose a new recovery scheme for the lost data caused by the faults of nodes in DCS environments. The proposed scheme improves the accuracy of query results by recovering the lost data using the spatial continuity of physical data. To show the superiority of our proposed scheme, we simulate it in the DCS environments with the faults of nodes. In the result, our proposed scheme improves the accuracy by about 28% through about 2.5% additional energy consumption over the existing scheme.
Keywords
Lost Data Recovery; Data Centric Storage; Wireless Sensor Network;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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