2024 Academic Thesis Prize: Ashkan AZARFAR
Headlines, Research
Ashkan AZARFAR received the 2024 Academic Thesis Prize for his research work among PhDs graduating in 2023.
Thesis Title: Motion-modulated Chipless RFID for Identification and Sensing in Long-range Applications
To clearly explain the concept, the different methods of backscatter communication are classified from a system point of view based on the two fundamental properties of linearity and variation in time. The principle of classical chipless RFID technology and the motion-modulated chipless RFID are described with general mathematical demonstrations, while the performance of the two approaches is compared in terms of read range. Three different types of motion-induced modulation namely phase (Doppler) modulation, polarization modulation, and directional modulation are addressed based on the developed analytical model for scattering from moving resonant scatterers. The modulation process in each case is theoretically described, and the performance of the motion-modulated tag is experimentally verified in terms of identification capability and large read range. The proposed concept has been also employed in real applications such as healthcare monitoring and commercial identification scenarios.
Key Words: Motion-modulated, Chipless RFID, Sensing
Doctoral School: ED EEATS - Electronics, Electrical Energy, Automatic Control, Signal Processing
Research laboratory: Laboratoire de conception et d'intégration des systèmes (LCIS - UGA/Grenoble INP-UGA)
Thesis supervision: Etienne PERRET and Nicolas BARBOT
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Updated on May 30, 2024