期刊名称：International Journal of Computer Science & Technology
印刷版ISSN：2229-4333
电子版ISSN：0976-8491
出版年度：2012
卷号：3
期号：2
页码：1023-1026
语种：English
出版社：Ayushmaan Technologies
摘要：Location monitoring systems are used to detect human activities and provide monitoring services. We consider an aggregate location monitoring system where wireless sensor nodes are counting sensors that are only capable of detecting the number of objects within their sensing areas. Actually the personal location is being monitored by a third party (untrusted server), are vulnerable to privacy threats. The wireless sensor networks allow users to access services privately by using a series of routers to hide the client’s IP address from the server. We propose a privacy-preserving location monitoring system for wireless sensor networks. In our system, we design two in-network location anonymization algorithms, namely, Cloaked Area Determination Algorithm and quality enhanced histogram algorithm that will help the system to enable and provide high-quality location monitoring services for system users, while preserving personal location privacy. The Cloaked Area determination algorithm aims to minimize communication and computational cost, A quality enhanced histogram approach is used that estimates the distribution of the monitored persons based on the gathered aggregate location information. Then, the estimated distribution is used to provide location monitoring services through answering range queries.
