Brief presentation about RFID

1. RFID & Its
Applications
MEMBERS:
TIMOTHY TUNG
(15227049)
TIANNA LUI
(15223779)
NAOMI CHAN
(15213471)

2. Flow of Presentation
Introduction Application Video
Survey &
Results
Conclusion

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

8. Current Applications

9. Applications Credit Cards with RFID
(Paywave function)
Octopus (Smart Card)

10. Applications
Autotoll (Electronic toll collection)
Access Control

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

13. Further Development
 In medical uses and library management

14. Video

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