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Implementation of Gen2 RFID Tag with Data Storage to Log and Maintain Vehicle History
Keywords: RFID, VHDL simulation, MEMS technology
The paper will address the application of RFID technology in areas such as supply chains like WAL MART, Seven Eleven, Vehicle Identification system, etc. The goal of this project is to develop a “RFID Tag” with a RFID reader which can work for any Radio frequency. This project deals with the creation of a Multipurpose RFID Tag following the Gen2 specification. This tag is passive, read/write enabled and can store data in the memory. It can also be connected to external memory, display and to enhance the functionalities of different applications. This multipurpose RFID tag can be used in a Vehicle Identification System to maintain the vehicle history like accident history, violated safety rules, registration details such as owner’s name, date of registration, expiration date of the registration, etc. It could also be interfaced with a temperature sensor to display the outside temperature. The function of the RFID tag will be realized using VHDL code and the hardware will be realized with an ASIC design. The communication setup between reader and tag will be built using a FSK modulation-demodulation technique and the miller encoding techniques. The device will work in Radio Frequency domain. The ASIC design can be realized using a HDL code, while the antenna will be designed using MEMS technology. A horn antenna or a slotted waveguide antenna, depending on the application can be fabricated using MEMS technology. The package of the whole device will be appropriately designed for the protection of the device and RFID readers. In a similar fashion, the RFID reader can be designed, so that it can be reconfigured, and this single reader can be made to work for any of the RF frequency tag. Finally, a good application for the RFID tag is to enhance police timing in recording an accident as well as buyers of older vehicles will automatically have the history of the vehicle in RFID tag attached to the vehicle.
Kavya Kollu, Student
Temple University
Philadelphia, PA

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