Performance and reliability of Radio Frequency Identification RFID

1
Performance and reliability of Radio Frequency
Identification (RFID)

• Theoretical evaluation and practical testing in
  relation to requirement from use in Abu Dhabi
  Sewerage Directorate

Hussain Al-Mousawi
2
Overview

• Problem Description
• RFID Technology
• Performance and reliability theory
• Tests Results
• Conclution

3
Problem Description

• The place Abu Dhabi Sewerage Directorate
• The problem Identification and location of
  manholes.
• The case Performance and reliability of
  RFID Technology.
• Theory x Practical testing

4
RFID TechnologyPart I General

• Wireless technology
• No Line-of-Sight
• Long History New tasks
• RFID System Reader Tag

5
Performance and reliabilityPart I Reading
Distance

• Antennas Magnetic field - H
• Tags Interrogation field strength - Hmin

(1) (2)
6
Performance and reliabilityPart II Reading
Distance

• Energy Range x
• Interrigation zone

(3)
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Performance and reliabilityPart III -
Permeability

• Diamagnatic materials
• Paramagnatic materials
• Ferromagnatic materials

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Performance and reliabilityPart IV
Permeability for Diamagnatic and Paramagnatic

• The magnetic susceptibility - xm
• The relative magnetic permeability - µ

(4) (5) (6)
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Performance and reliabilityPart IV
Permeability for Ferromagnetic

• B and H not linear

(7)
10
Performance and reliabilityPart III
Penetration depth
(8)
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Test Application
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Tests and ResultsTest I

• Field strength testing

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Tests and ResultsTest II

• Reading Angle testing

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Tests and ResultsTest III

• Tag endurance

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Tests and ResultsPart IV

• Plastic permeability

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Tests and ResultsPart V

• Concrete permeability

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Tests and ResultsPart VI

• Metal permeability

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Tests and ResultsPart VII

• Field testing

19
Conclution

• Short reading distance
• Permeability Plastic lt concrete lt metal
• No metal surfaces
• Tag with protection
• Air gap more range, more penetration
• Possible RFID system usage in Abu Dhabi Sewerage
  Directorate