Radio-Frequency Identification (RFID) has made a revolutionary mark in identifying and
tracking number of different industry objects, which has reduced the manual tracking to much
higher extent. The key problem which is associated with the reading of RFID tags is the collision
between tag responses, which makes the reading more difficult and hence requires more time to
complete identifying all tags. Collisions also reduce the accuracy of the reader to read tags at any
given instant of time. With many RFID readers being portable these days, limited battery power
can be an issue, and hence, energy is another metric of interest. The purpose of this thesis was to
design a protocol which would be helpful to read RFID tags in more efficient manner in terms of
time and energy.
A new RFID anti-collision protocol Intelligent ALOHA (I-ALOHA) is proposed that is a
combination of two existing approaches: Intelligent Query Tree (IQT) protocol and Abramson’s
Logic of Hiring Access (ALOHA) method. I-ALOHA, like IQT, divides the tag IDs into two
parts and reads only postfix parts of the tags when the prefixes are common. It uses the basic
features of ALOHA time slots to reduce collisions among tag responses. Simulations done on
MATLAB indicated that I-ALOHA performs very well in number of different scenarios in terms
of energy and time consumption compared to existing anti-collision protocols. / Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Electrical Engineering and Computer Science
| Identifer | oai:union.ndltd.org:WICHITA/oai:soar.wichita.edu:10057/3941 |
| Date | 05 1900 |
| Creators | Alavi, Khubaib Ahmad |
| Contributors | Namboodiri, Vinod |
| Publisher | Wichita State University |
| Source Sets | Wichita State University |
| Language | en_US |
| Detected Language | English |
| Type | Thesis |
| Format | xi, 70 p. |
| Rights | © Copyright 2010 by Khubaib Ahmad Alavi. All rights reserved |
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