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Sensors 2016, 16(2), 199;

Investigation of Interference Models for RFID Systems

China Academy of Electronics and Information Technology, Shuangyuan Road 11, Shijingshan District, Beijing 100041, China
Dipartimento di Automatica e Informatica, Politecnico di Torino, Corso Duca Degli Abruzzi 24, Torino 10129, Italy
This paper is an extended version of our paper published in the 11th International Conference on Advances in Mobile Computing & Multimedia (MoMM-2013). Zhang, L.; Ferrero, R.; Gandino, F.; Rebaudengo, M. Simulation and evaluation of the interference models for RFID reader-to-reader collisions. In Proceedings of the International Conference on Advances in Mobile Computing & Multimedia, Vienna, Austria, 2–4 December 2013; pp. 209–216.
Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 30 December 2015 / Accepted: 28 January 2016 / Published: 4 February 2016
(This article belongs to the Section Sensor Networks)
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The reader-to-reader collision in an RFID system is a challenging problem for communications technology. In order to model the interference between RFID readers, different interference models have been proposed, mainly based on two approaches: single and additive interference. The former only considers the interference from one reader within a certain range, whereas the latter takes into account the sum of all of the simultaneous interferences in order to emulate a more realistic behavior. Although the difference between the two approaches has been theoretically analyzed in previous research, their effects on the estimated performance of the reader-to-reader anti-collision protocols have not yet been investigated. In this paper, the influence of the interference model on the anti-collision protocols is studied by simulating a representative state-of-the-art protocol. The results presented in this paper highlight that the use of additive models, although more computationally intensive, is mandatory to improve the performance of anti-collision protocols. View Full-Text
Keywords: RFID; interference model; reader-to-reader collision RFID; interference model; reader-to-reader collision

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Zhang, L.; Ferrero, R.; Gandino, F.; Rebaudengo, M. Investigation of Interference Models for RFID Systems. Sensors 2016, 16, 199.

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