射频识别天线和系统仿真（2005 Ansoft 年会 论文）Radio Frequency Identification (RFID) Antenna and System Design Markus Laudien Application Engineer RFID antenna and system design (Preliminary, not the final version ) will be updated by end of the week Agenda Requirements of UHF-RFID systems and limitations of analytical treatment Reader antenna Transponder unit ( chip, package, antenna ) Field-Simulation of a whole transmission setup. Integration of nonlinear components into the transmission setup. Conclusions What is RFID (Radio Frequency IDentification) Wireless identifications of piece goods Reader: Communication with Tags, tracking of piece goods Frequencies of operation : LF: 125 kHz ; 13.56 MHz ( near field coupling ) status : established, mass production, short range (typ