Presentation for CT231

1. RFID Technology
What is it? What can it do?
What are the problems with it?

2. What is RFID Technology?
CC BY-NC-ND 2.0 4-6

3. History of RFID Technology
CC BY-NC-ND 2.0 Feggy Art

4. Three Types of Tags
• Active
CC BY-NC-ND
2.0
thisyearsboy

5. Three Types of Tags
• Active
• Higher Frequencies – 455MHz, 2.45GHz, or
5.8GHz
• 128 kilobyte memory

6. Three types of RFID tags
• Passive
CC BY-NC-ND 2.0 midnightcomm

7. Three Types of Tags
• Passive
• Lower Frequencies
• Energy Stored in the tag

8. Three Types of Tags
• Battery Assisted Passive
• Contains small battery
• Can be read up to 45 metres away

9. What can RFID technology do?
CC BY-NC-ND 2.0 francois

10. What can RFID technology do?
CC BY 2.0 boocal

11. What can RFID technology do?
• Passports
• Driving Licence
• Self service in a library

12. What can RFID technology do?
CC BY-NC catinatree

13. Problems
• Jammed Easily
• Tag collision
• Solution
▫ Anti Collision Protocol

14. Standards
• International Standard Organisation(ISO)
▫ Contactless systems
▫ ID card systems
• EPCglobal
▫ Storage of information

15. Walmart & Privacy problems
CC BY-NC 2.0 crawfishpie

16. Walmart & Privacy Problems
CC BY 2.0 cleanwalmart

17. Privacy Problems
• RFID tags essentially barcodes
• Can be easily removed from product

18. Future of RFID Technology
• RFID on paper
• Automation and tracking of products through
the supply chain

19. Future of RFID Technology
• Automated purchases
• Smart appliances

20. • RFID Technology is here to stay
• Has many applications for the future
• Further developments will make it cheaper and
smaller