3. 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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October 22,
2015
RFID & its Applications 3
4. 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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October 22,
2015
RFID & its Applications 4
5. 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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October 22,
2015
RFID & its Applications 5
6. 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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October 22,
2015
RFID & its Applications 6
7. 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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October 22,
2015
RFID & its Applications 7
8. Current Applications
Thursday,
October 22,
2015
RFID & its Applications 8
Application Segment Representative
Applications
Competitive
Technologies
Current
Penetration
Typical Tag Type
Access Control Doorway entry Other keyless entry
technologies
High Passive
Asset Tracking Locating tractors within
a freight yard
None Low Active
Asset Tagging Tracking corporate
computing systems
Bar Code Low Passive
Authentication Luxury goods
counterfeit prevention
Holograms Low Passive
Baggage Tracking Positive bag matching Bar Code, Optical
Character Recognition
Low Passive
POS Applications SpeedPass Credit Cards, Smart
Cards, Wireless Phones
Medium Passive
SCM (Container Level) Tracking containers in
shipping terminals
GPS-based Systems Low Active
SCM (Pallet Level) Tracking palletized
shipments
Bar Code Minimal Active, Passive
SCM (Item Level) Identifying individual
items
Bar Code Minimal Passive
Vehicle Identification Electronic toll
collection
Bar Code, License plate,
reader systems
Medium Active, Passive
Vehicle Immobilizers Automotive ignition
systems
Other theft prevention
technologies
High Passive
9. Applications
Credit Cards with RFID
(Paywave function)
Octopus (Smart Card)
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October 22,
2015
RFID & its Applications 9
11. Online Survey
• Target: SME
• Information: Opinion on RFID and its applications
• Site:
• http://qtrial.qualtrics.com/SE/?SID=SV_9N5UPRZuyuWtsk4
Thursday,
October 22,
2015
RFID & its Applications 11
12. Survey Result
Logistics and Supply
Chain Management
20%
Pharmaceutic
manufacturing
industries
15%
Library Management
21%
Inventory Control
10%
Document Management
8%
Security
8%
Customer Services
5%
Hotel Management
5%
Banking and Finance
5%
Social Services
3%
Other
18%
TYPES OF INDUSTRIES THAT RESPONDENTS THINK
IT IS POSSIBLE TO APPLY RFID TECHNOLOGY
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October 22,
2015
RFID & its Applications 12
13. Further Development
• In medical uses and library management
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October 22,
2015
RFID & its Applications 13
15. 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
Thursday,
October 22,
2015
RFID & its Applications 15
