Development of UHF implanted RFID antenna for medical/health-care applications

Radio-frequency identification (RFID) is a developed technology and useful for several fields; moreover, it has promising for reducing medical error and receiving the patients' information without connecting cable lines in hospitals. In this paper, we present an implanted RFID antenna with 50-ohm system for medical/health-care applications. The antenna is designed for one of the UHF band (951-956 MHz) and implanted into a three-layer phantom which represents human upper arm. Some characteristics including the S
₁₁
and the radiation pattern are calculated by use of the FDTD method and measured with the three-layer phantom.