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05/01/2023
RFID & Its ApplicationsHUANG WAI TIM(15215288)GCIT1015
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05/01/2023
Plow of my presentation
Introduction
Background
Application
Survey result Video Conclusion
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RFID
RFID = Radio Frequency Identification Electronic labeling and wireless identification of
objects using radio frequency Tag carries with its information
a serial number Model number Color or any other imaginable data
When these tags pass through a field generated by a compatible reader, they transmit this information back to the reader, thereby identifying the object
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RFID components
A basic RFID system consists of these components: A programmable RFID tag/inlay for storing item data;
Consisting of an RFID chip for data storage an antenna to facilitate communication with the RFID
chip A reader/antenna system to interrogate the RFID
inlay Application software and a host computer system
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RFID Tag
The RFID tag consists of an integrated circuit (IC) embedded in a thin film medium.
Information stored in the memory of the RFID chip is transmitted by the antenna circuit embedded in the RFID inlay via radio frequencies, to an RFID reader
3 types Passive Semi-passive Active
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Types of RFID Tags
Active Tags• Use a battery• communicate over
distances of several meters
Semi-passive Tags• Contain built-in
batteries to power the chip’s circuitry, resist interference and circumvent a lack of power from the reader signal due to long distance.
• They are different from active tags in that they only transmit data at the time a response is received
Passive Tags• Derive their power
from the field generated by the reader
• without having an active transmitter to transfer the information stored
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Applications
Frequency Appx. Read Range
Data Speed Cost of Tags
Application
Low Frequency (125kHz)
<5cm
(passive)
Low High • Animal Identification
• Access Control High Frequency (13.56 Mhz)
10 cm – 1m
(passive)
Low to Moderate
Medium to Low
• Smart Cards
• Payment (paywave) Ultra High Frequency (433, 868-928 Mhz)
3m -7m
(passive)
Moderate to High
Low • Logistics and Supply Chain
• Baggage Tracking Microwave (2.45 & 5.8 Ghz)
10m -15m
(passive)
20m – 40m
(active)
High High • Electronic toll collection (Autotoll)
• Container Tracking
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Current Applications
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Applications
Credit Cards with RFID(Paywave function)
Octopus (Smart Card)
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ApplicationsAutotoll (Electronic toll collection)
Access Control
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Online Survey
Target: SME Information: Opinion on RFID and its applications Site:
http://qtrial.qualtrics.com/SE/?SID=SV_9N5UPRZuyuWtsk4
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Survey ResultWhat types of industry do you think it is possible to
apply RFID technology?
Logistics and Supply Chain Management
21%
Pharmaceutic man-ufacturing industries
15%
Library Management21%
Inventory Control10%
Document Management
8%
Security8%
Customer Services5%
Hotel Management5%
Banking and Finance5%
Social Services3%
Types of industries that respondents think
it is possible to apply RFID technology
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Further Development
In medical uses and library management
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Video
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Conclusion Positive
RFID is a contactless reading technology and can read through other materials
Hold more data than barcode does RFID tags data can be changed or added More effective, bring lots of convenience to us
Negative Cost is relatively remain high (compare to barcode) RFID signals may have problems with some materials RFID standards are still being developed