A software-defined radio RFID reader design with improved wireless power transfer capabilities

Abstract

We present a SDR-based RFID reader design possessing two features that allow to improve the wireless power transfer capability and thereby extend the reading range of passive transponders: 1) The reader generates optimized non-CW powering waveforms that improve the RF-DC conversion efficiency of passive transponders. The sensitivity of an RFID chip was… (More)

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