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Theoretical findings and measurements on planning a UHF RFID system inside a room

Bletsas Aggelos, Antonis Dimitriou, J.N. Sahalos, Anastasis C Polycarpou

Πλήρης Εγγραφή

URI: http://purl.tuc.gr/dl/dias/2150F629-858A-4F4A-AA21-AEF61BBA4417
Έτος 2011
Τύπος Δημοσίευση σε Περιοδικό με Κριτές
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά A.G. Dimitriou, A. Bletsas, A.C. Polycarpou and J.N. Sahalos, "Theoretical Findings and Measurements on Planning an Operational UHF RFID System inside a Room", Radioengineering, vol. 20, no. 2, June 2011. Available:http://www.researchgate.net/publication/228876696_Theoretical_Findings_and_Measurements_on_Planning_a_UHF_RFID_System_inside_a_Room
Εμφανίζεται στις Συλλογές
Δημοσιεύσεις σε Περιοδικά στην Κοινότητα Σχολή Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών

Περίληψη

This paper investigates the problem of im-proving the identification performance of a UHF RFID system inside a room. We assume static reader, passive tags and availability of commodity antennas. A ray-tracing propagation model is developed that includes multipath in 3D space. It is found that careful selection of reader antenna placement and tilting must be performed to control destructive interference effects. Furthermore, 3D coverage performance gains on the order of 10% are observed by implementing tags' diversity. A device that successfully manipulates destructive interference is intro-duced. All theoretical findings are verified by meas-urements. Finally, a method to perform propagation measurements with commodity RFID hardware is demonstrated.

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