RFID Anticollision in Dense Mobile Environments

Abdoul Aziz Mbacké 1, 2 Nathalie Mitton 1 Hervé Rivano 2
2 AGORA - ALGorithmes et Optimisation pour Réseaux Autonomes
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : The popularization of RFID systems has conducted to large deployments of RFID solutions in various areas under different criteria. However, such deployments, specially in dense environments, can be subject to RFID collisions which in turn affect the quality of readings. In this paper we propose two distributed and efficient solutions for dense mobile deployments of RFID systems. mDEFAR is an adaptation of a previous work highly performing in terms of collisions reduction, efficiency and fairness in dense static deployments. CORA is more of a locally mutual solution where each reader relies on its neighborhood to enable itself or not. Using a beaconing mechanism, each reader is able to identify potential (non-)colliding neighbors in a running frame and as such chooses to read or not. Performance evaluation shows high performance in terms of coverage delay for both proposals quickly achieving 100% coverage depending on the considered use case while always maintaining consistent efficiency levels above 70%. Compared to GDRA, our solutions proved to be better suited for highly dense and mobile environments, offering both higher throughput and efficiency. The results reveal that depending on the application considered, choosing either mDEFAR or CORA helps improve efficiency and coverage delay.
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Abdoul Aziz Mbacké, Nathalie Mitton, Hervé Rivano. RFID Anticollision in Dense Mobile Environments. WCNC 2017 - IEEE Wireless Communications and Networking Conference, Mar 2017, San Francisco, United States. ⟨hal-01418170⟩

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