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Kory Ballew, Matthew Koeth, Edward Parchuke, Charles Parsons,

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Title: Kory Ballew, Matthew Koeth, Edward Parchuke, Charles Parsons,


1
RFID ANTENNA DESIGN
Kory Ballew, Matthew Koeth, Edward Parchuke,
Charles Parsons, Richard Pierce, Laura Wright
khb042000_at_utdallas.edu, mjk035000_at_utdallas.edu,
efp051000_at_utdallas.edu, cxp022000_at_utdallas.edu,
rgp032000_at_utdallas.edu, law012200_at_utdallas.edu
Department of Electrical Engineering Erik Jonsson
School of Engineering Computer
Science University of Texas at Dallas Richardson,
Texas 75083-0688, U.S.A.
Engineering Approach
Goals
  • Design a RFID tag antenna for use in supply chain
  • management.
  • Warehouse and distribution centers present a
    demanding
  • environment for RFID implementation. The
    presence of EMI and
  • EMF noise, along with different materials,
    and large equipment
  • create unique challenges. Antenna performance
    of the RFID tag
  • may increase overall system performance.
  • Antenna Design will be approximately UPC Size
    (4cm x 4cm) and meet EPCGlobal Specifications
    to ensure adoption by the RFID community and
    end users.
  • Project Constraints
  • Radiating Environment
  • Cost
  • Materials
  • Implementation to RFID Tag
  • Design Software is available through the
    University
  • Resources and Personnel
  • Antenna Parameters
  • 10 Bandwidth
  • Range 860 to 930 MHz
  • EPCGlobal Standards as described in the
    Project Overview
  • Omni-directional Radiation Pattern
  • Tag is 4cm x 4cm

Project Overview
  • Analyze Current Technologies
  • Frequency Range 860-930MHz
  • EPCGlobal Standards
  • UHF Class 1 Gen 2 V. 1.0.9 Standard Conformance
    Requirements
  • Interoperability Test Methodology v1.2.4 for UHF
    Gen 2 RFID Devices
  • Antenna Radiation Pattern Omni-directional
  • Current Supply Management Environments
  • Couple Coil
  • Radiating Environments
  • Analyze Antenna Designs
  • Loop Antenna

Project Conclusions
  • Antenna will be a double dipole
  • The double dipole pattern shown below
    works for our program, because
  • of its omni-directional patterning as
    well as the ability to cover the
  • required bandwidth. Dimensions are shown
    in cm.
  • Ideal Environment will be Radiating
  • This environment was chosen because the
    readers can operate at
  • farther ranges than the readers available
    in a couple coil environment

Radiating Environment
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