An Ultra-Low-Power Long Range Battery/Passive RFID Tag for UHF and Microwave Bands With a Current Consumption of 700 nA at 1.5 V
High-Efficiency Differential-Drive CMOS Rectifier for UHF RFIDs
An Overview of Near Field UHF RFID
Low-Power CMOS Rectifier Design for RFID Applications
RF power amplifiers for wireless communications