1Lu Xiao,Wang Ping,Han Zhu,et al.Wireless networks with RF energy harvesting:A contemporary survey[J].IEEE Communications Surveys&Tutorials,2015,17(2):757-789.
2Yao Chia-Yu,Hsia Wei-Chun.A—21.2 d Bm dual-channel UHF passive CMOS RFID tag design[J].IEEE Transactions on Circuits and Systems,2014,61(4):1269-1279.