This document discusses RFID (radio frequency identification) technology, its components, types of RFID tags, and applications. It provides an overview of RFID systems consisting of RFID tags/inlays, readers/antennas, and application software. The main types of RFID tags are passive, semi-passive, and active tags. Current applications discussed include credit cards, smart cards, electronic toll collection, access control, logistics/supply chain, and library management. A survey found logistics/supply chain and library management are industries seen as suitable for RFID application.
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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
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 respondents think
it is possible to apply RFID technology
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