Analysis of UWB RFID tag backscattering in the presence of scatterers

The modulation of the tag backscattering is a possible solution to assess a communication in ultra wide band (semi-)passive Radio Frequency Identification (RFID), which represents now the most promising solution in terms of cost, size and power consumption. In this paper we try to characterize the tag backscattered response in a scenario where scatterers are included, using the superposition principle. Results obtained both from measurements and simulations are analyzed and compared to the ones obtained using the superposition principle.