Design and development of a chipless RFID tag-sensor for temperature sensing using PCB

Heng, Jia Ler (2021) Design and development of a chipless RFID tag-sensor for temperature sensing using PCB. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

Text (Full Text) Design and development of a chipless RFID tag-sensor for temperature sensing using PCB.pdf - Submitted Version Download (5MB)

Abstract

Nowadays, Radio Frequency Identification (RFID) technology has shown an increment in appearance this recently. There are many applications that adapt this RFID technology to aid human to accomplish daily activity. And one of them is the chipless RFID tag sensor technology that could use in tracking, identification, and sensing. Sensor is a device or component that capable to detect and respond to the environmental parameter’s changes such as heat, light, motion, and moisture. With the combination from both RFID and sensor can produce a ranged sensor wirelessly. Therefore, the idea to design and simulate of a chipless RFID tag-sensor for temperature sensing is proposed in this project. Nevertheless, there are some difficulties in realising the chipless RFID tag-sensor to replace the existing Quick Response code (QR code) and bar code for the same purpose to detect, tracking and identify. The problems are the reading range of chipless RFID tagsensor is limited in a few meters and the difficulties in both sensing all temperature change accurately and giving suitable bits for identification at the same time. To overcome these issue, respective action is taken in the methodology part to repair the disadvantage of the mentioned problems. In this project a V slotted chipless RFID tag-sensor has been designed, simulated and fabricated. The tag contains 8-bit information for identification and detection. The tag size is 25 × 25 mm2 which is small in size and can fit with most of the products. Different Coding of 8-bit combinations are also generated to justify the coding ability of this tag. In addition, the design has been tested on different flexible substrates i.e., Kapton (Polyimide) and Polyethylene terephthalate (PET). The design show robustness by exhibiting coding capacities also on those substrates.

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