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Transcript of FPGA based RFID Reader Group Members – Farhan Tariq Usman Sarwar Khalid Khan Supervisor- Mr....
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FPGA based RFID ReaderGroup Members – Farhan Tariq Usman Sarwar Khalid Khan
Supervisor- Mr. Naveed Ahmed
Internal Advisor-Prof. Dr. Abdul Razzak Memon
External Advisor-Engn. Aurangzeb
Dated: 03-Sep-2007
@ Balochistan University of Information Technology and Management Sciences
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Presentation Objectives
• Provide overview of RFID Technology.• Describe the domain of the Project.• Explain all technical areas related to project.• Discuss:
Business value. Why? Applications. Future.
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Outline
• Automatic Identification Systems• Overview of RFID System• What will we do• Project Explanation• Applications• Future
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Automatic Identification Systems
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Overview of RFID System
• What is RFID?o Generic term for technologies that use radio waves
to automatically identify things.o Happens with a “Digital Information” that is Store in
a chip.o That microchip has an attached antenna (the chip
and the antenna together are called an RFID tag).o The antenna enables the chip to transmit the serial
number information to a reader.o The reader converts the radio waves reflected back
from the RFID tag into digital information that can then be processed.
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Overview of RFID System (Tag)• Types of Tags with respect to Storage
• Read only• Read/Write
• Types of Tags with respect to Batteryo Passiveo Activeo Semi-Active
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Overview of RFID System (Tag)
LF HF UHF Microwave
Freq. Range 125 - 134KHz 13.56 MHz 866 - 915MHz 2.45 - 5.8 GHz
Read Range 10 cm 1M 2-7 M 1M
Market share
74% 17% 6% 3%
Coupling Magnetic Magnetic Electro magnetic Electro magnetic
Existing standards
11784/85, 14223 18000-3.1, 15693,14443 A, B, and C
EPC C0, C1, C1G2, 18000-6
18000-4
Application Smart Card, Ticketing, animal tagging,Access, Laundry
Small item management, supply chain,Anti-theft, library, transportation
Transportation vehicle ID, Access/Security, large item management, supply chain
Transportation vehicle ID (road toll), Access/Security, large item management, supply chain
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What will we Do
Frequency Distance Example Application
LF 125/134khz Few cm Auto-Immobilizer
HF 13.56Mhz 1m Building Access
UHF 900Mhz ~7m Supply Chain
μwave 2.4Ghz 10m Traffic Toll
Our Focus is
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Project Explanation
• Project Module:• Antenna• contact less Card (Tag)• Demodulator • FPGA ( verilog code simulation)• MATLAB Simulation
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Project Explanation
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Project Explanation
• Transmit side
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Project Explanation
• Antenna• Loop Antenna
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Project Explanation
• Receive side• Demodulation
• FSK demodulation• ASK demodulation
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Project Explanation
• ASK demodulation
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Project Explanation
• FSK demodulation• PLL
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Project Explanation
• FPGA• Role of FPGA
• What to do?
• How to do• Draw flow diagrams
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Project Explanation (FPGA)
• 134.2Khz FSK Tag data format:
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Project Explanation (FPGA)
• Hardware Description Languages• verilog
• Explain the code
• Code simulation diagrams
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Applications
• In BUITMS:• As Automatic Attendance System• As a Security System. e.g. in Library, Examination Halls and so
on.• As a detection and Identification system at any Entrance point.
• General:• Can be use as an Detection and Identification System In any
Organization.
Discuss Ubiquitous Computing
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Future in Pakistan
o Current Situation HEC
Employee Cards NADRA
Driving License E-Passport
o Future: RFID based E-Toll System RFID based Ticketing System Ubiquitous environment at least at BUITMS
Discuss Ubiquitous Computing