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|Title:||Data loss regulation to ensure information quality in sensor networks|
|Source:||Tolstikov, A.,Biswas, J.,Tham, C.-K. (2005). Data loss regulation to ensure information quality in sensor networks. Proceedings of the 2005 Intelligent Sensors, Sensor Networks and Information Processing Conference 2005 : 133-138. ScholarBank@NUS Repository.|
|Abstract:||In this paper, we consider a simple model for information loss as data propagates through a sensor network in response to continuous queries. We present an admission control scheme based on bounds placed on data loss probability, for sensors that contribute to aggregate query results. We expect that it will be possible to regulate this probability and thus guarantee the completeness of information obtained from the sensors. Our scheme uses the stochastic model of wireless data channel based on Pareto distribution of total waiting and service time. The parameters of distribution are obtained by measurement. Analyzed the loss of data units due to three reasons: overflow of network buffer, aggregation buffer and due to delay beyond timeout after which intermediate node assumes that the data was lost. Although the admission scheme adds some additional overhead to the sensor network operation, it is still limited to the cases when a new query is disseminated or a query mapping to resources is changing. © 2005 IEEE.|
|Source Title:||Proceedings of the 2005 Intelligent Sensors, Sensor Networks and Information Processing Conference|
|Appears in Collections:||Staff Publications|
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