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Radio link budget is a determinant factor for the coverage estimation of wireless communication systems. Various studies have been made to model the radio link budget of passive Ultra-High Frequency (UHF) Radio Frequency IDentification (RFID) systems, which operate in dyadic channels. These studies generally either ignore or make simple assumptions on the backscattered-transmission loss due to the...
The RFID tag backscatter transfer power function is estimated from various measurement results in our anechoic chamber for two brands of tags. The backscatter transfer power function turns out to not be directly proportional to input power and therefore it cannot be modeled as a constant radar cross section. Additionally it shows that the classic radar equation cannot be applied directly under the...
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