This document discusses RFID technology and its applications. It defines RFID and its key components, including tags (passive, semi-passive, active), readers, and antennas. It then outlines several common applications of RFID in areas like access control, asset tracking, supply chain management, toll collection, and more. The document also summarizes the results of an online survey on potential RFID applications and discusses future development opportunities for RFID in areas like medical uses and library management.
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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
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
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
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
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
Frequency of RFID tags in different applications
8. Current ApplicationsApplication 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
11. Online Survey
Target: SME
Information: Opinion on RFID and its applications
Site:
http://qtrial.qualtrics.com/SE/?SID=SV_9N5UPRZuyuWtsk4
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 respondentsthink
it is possible to apply RFID technology
14. 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
