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Security and privacy on low-cost RFID deployments is focusing the attention of researchers due to the progressive adoption by retailers, making the RFID a real ubiquitous technology. Besides the retail sector, other logistics industries are starting to improve their processes with this technology like the postal companies, supposed to be one of the largest RFID sector. This paper is focused on the...
RFID is one of the contemporary technologies that has the potential to enable improved data gathering and cross-companies integration, and thus achieve cost efficiency. However, RFID has not yet become primary approach to collect data from the supply chain activities. This is partly due to (relative) high cost of implementation, partly due to technical deficiencies, as well as cross-company systems...
Electronic Product Code Discovery Service (EPCDS), a well known and under developed standard provided by EPCglobal Network, is playing a crucial role in handling of the product visibility data throughout the supply chain. Recently, EPCDS now has a centralized data repository in which the data are registered by multiple data owners. To protect the privacy of the centralized data, this paper proposes...
A so-called tag-collision problem (or missed reads) in Radio Frequency Identification (RFID) system is the event that a reader cannot identify the tag if many tags respond to a reader at the same time. In this paper, we propose an adaptive query tree (AQT) protocols that combine the multiple M-ary trees. The large M reduces collisions, while the small M avoids the unnecessary inquiries. Our AQT protocol...
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