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Abstract--We present the WISP Passive Data Logger (PDL), an RFID sensor data logging platform that relies on a new,
 

Summary: 1
Abstract-- We present the WISP Passive Data Logger (PDL),
an RFID sensor data logging platform that relies on a new,
wirelessly-charged power model. A PDL has no battery yet
(unlike a passive sensor tag) is able to collect data while away
from an RFID reader. A PDL senses and logs data using energy
stored in a capacitor; the capacitor can be wirelessly recharged
(unlike active tags), and data can be uploaded whenever the PDL
is near a reader. Standard EPC Generation 2 readers are used
for WISP-PDL charging, ID-reading, and sensor data transfer.
This allows WISP-PDLs to operate using commercial RFID
readers as the only support infrastructure (for both data and
power), and allows WISP-PDLs to co-exist with standard RFID
tags. We describe the design and implementation of a prototype
WISP-PDL, and report results from a short demonstration study
that shows it can monitor the temperature and fullness of a milk
carton as it is used over the course of a day.
Index Terms--Data Logger, Passive RFID, Wireless Sensor
I. INTRODUCTION
FID tags equipped with sensors are being developed

  

Source: Anderson, Richard - Department of Computer Science and Engineering, University of Washington at Seattle

 

Collections: Computer Technologies and Information Sciences