An Injection-Locked 5.2 GHz SoC Transceiver with On-Chip Antenna for Self-Powered RFID and Medical Sensor Applications

A completely integrated 5.2 GHz BFSK transceiver, including on-chip antenna, suitable for self-powered RFID and medical sensor applications is presented. Averaged transmit and receive power consumptions are less than 1 mW, enabling on-chip ultracapacitors to serve as the power source. The solution has a 1.75 m communication range at 5 kb/s, which can be increased at the expense of the bit-rate, power consumption in the receiver, or by using off-chip antennas.