LBTM: listen-before-talk protocol for multiclass UHF RFID networks
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This research has been partly supported by the project AIM, ref. TEC2016-76465-C2-1-R (AEI/FEDER, EU).Fecha de publicación
2020-04-18Editorial
MDPICita bibliográfica
López-Matencio, P.; Vales-Alonso, J.; Alcaraz, J.J. LBTM: Listen-before-Talk Protocol for Multiclass UHF RFID Networks. Sensors 2020, 20, 2313. https://doi.org/10.3390/s20082313Revisión por pares
siPalabras clave
RFID networksLBT
traffic
time slot
Resumen
Radio Frequency Identification (RFID) is considered one of the pioneering technologies of the Internet of Things (IoT). It allows to bind physical environments to information processing systems, adding new capabilities like automatic inventorying, location, or sensing with batteryless tags. Indeed, many data flows of physical objects can be tracked using this technology, and it is common to find heterogeneous traffics present in the same facility, each managed by different sets of readers. For example, in a grocery store, typically we have two kinds of readers: those carrying out a continuous inventory, whose goal is knowing the contents of the shelves as accurately as possible; and a set of checking-out readers at exit gates for the billing process that has to minimize the waiting time of customers. Another example of multiclass traffic is a hospital, where new families of sensing tags allow staff to wirelessly monitor patients—which obviously must be done as a priority—and coexist with ...
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