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Multipacket reception MAC schemes for the RFID EPC Gen2 protocol

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Details

Original languageEnglish
Title of host publication2012 International Symposium on Wireless Communication Systems, ISWCS 2012 - Proceedings
Pages311-315
Number of pages5
DOIs
Publication statusPublished - 2012
Publication typeA4 Article in a conference publication
Event2012 9th International Symposium on Wireless Communication Systems, ISWCS 2012 - Paris, France
Duration: 28 Aug 201231 Aug 2012

Conference

Conference2012 9th International Symposium on Wireless Communication Systems, ISWCS 2012
CountryFrance
CityParis
Period28/08/1231/08/12

Abstract

Maximizing the Radio Frequency IDentification (RFID) performance is one of the main challenges for a wide variety of applications, where the overall throughput can be significantly affected by undesired Tag-Tag collision events. The UHF EPC Class-1 Generation-2 (Gen2) protocol only specifies algorithms to avoid the collisions but makes no provision for their resolution. In this paper, performance enhancement of the RFID EPC Gen2 protocol exploiting Tag collision recovery is demonstrated, for the first time, in real time with measurements. Two simple and effective approaches to handle successful Tag acknowledgments of recovered collided packets are proposed and implemented on a software-defined Reader and programmable Tags. The overall throughput per time slot is increased by 72% over the standard Gen2 MAC scheme. The validity of such result is confirmed by the good agreement with simulations reported in the literature.

Keywords

  • collision recovery, EPC Gen2 procotol, multipacket reception, RFID, tag collision, throughput