BLOCKING READER: DESIGN AND IMPLEMENTATION OF A ...
BLOCKING READER: DESIGN AND IMPLEMENTATION OF A ...
BLOCKING READER: DESIGN AND IMPLEMENTATION OF A ...
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7.1 Introduction<br />
CHAPTER 7<br />
PERFORMANCE<br />
This chapter contains different experiments and results to illustrate the perfor-<br />
mance of Blocking Reader. As the name specifies the Blocking Reader blocks the<br />
communication between Reader and Tag. Blocking Reader communicates with the<br />
Tag and Captures it. It uses the protocol against the Reader. A Sirit 501 Passive<br />
UHF RFID Reader is used in all the experiments. Alien Squiggle Gen2 Tag is used.<br />
And the Blocking reader with amplifier.<br />
7.2 Tag Response<br />
7.2.1 Experimental setup<br />
In this experiment I would like to show the Tag response to the Query command<br />
of the Blocking Reader. The setup consist of a squiggle Tag, Blocking Reader and NI<br />
system used as sniffer. The NI system used in this experiment is National Instrument<br />
PXI-8106 embedded controller solely designed for LabView. Sniffer program displays<br />
the RF-915 MHz commands in time domain. In this experiment we basically use this<br />
NI system to show the Blocking Reader command and the Tag response.<br />
7.2.2 Tag Response Results<br />
The Figure 7.1 shows the RN 16 response of the Tag for the Query command of<br />
Blocking reader. Figure 7.2 shows the timings of BR⇒Tag communication. Blocking<br />
Reader sends Query for every 1.4ms. Query commands are 0.8ms of length later the<br />
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