Abstract
RFID technology requires deployment that ensures reliability. We have developed the middleware RF2ID, a reliable framework for RFID, to improve reliability at software level. Two key abstractions 1) Virtual Reader: the distributed computational element 2) Virtual Path: the communication channel among virtual readers are used to improve the system reliability. The key idea is to use the notion of path at system level that matches the flow of data stream to improve system efficiency. We have designed the middleware solution RF2ID and evaluated it using experimental testbed and emulation based study for item tracking applications. The evaluation of the system provides higher accuracy level using a scalable solution. We plan to further extend the system to provide support for item location applications as well.
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