A System Model for Cooperative RFID Readpoints

Exploiting spatial diversity by means of cooperative readpoints is a popular approach to the missing tag problem in radio frequency identification (RFID) systems. However, there is little theory behind this approach, and RFID system design is often limited to trial-and-error and extensive experiment...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 2014-10, Vol.63 (10), p.2480-2487
Main Authors: Goller, Michael, Brandner, Markus, Brasseur, Georg
Format: Article
Language:English
Subjects:
Binomials
Correlated binomial distribution
Correlation
Estimates
Instrumentation
Logistics
Manuals
missing tag problem
Online
Packaging
Probability
Radio frequency identification
Radiofrequency identification
Redundancy
RFID
Run time (computers)
system modeling
Systems design
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Summary:Exploiting spatial diversity by means of cooperative readpoints is a popular approach to the missing tag problem in radio frequency identification (RFID) systems. However, there is little theory behind this approach, and RFID system design is often limited to trial-and-error and extensive experiments. In this paper, we present a system model for cooperative readpoints based on a correlated binomial distribution. The model can be used to determine the required number of readpoints for a given requirement and provides an online estimate of the system performance at runtime. The analysis of a real-world dataset justifies our modeling assumptions and shows that the diversity concept is able to significantly enhance system performance.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.2014.2310639