Research Description
My main research interests lie in the areas of RFID, wireless power, low-power sensing, low-power high-bandwidth communication for passive devices, and biotelemetry for passive implantable devices.
My current research focuses on using vector modulation, such as quadrature amplitude modulation (QAM), to increase the communication bandwidth for low-frequency passive devices that operate in the magnetoquasistatic near field. Utilizing this communication scheme at a nominal operating frequency of 2.4 MHz, we can increase the communication bandwidth to 17% of the center frequency, compared to the 3% bandwidth usage of commercial NFC devices operating at 13.56 MHz. This communication scheme opens the door for high-bandwidth battery-free sensing devices with an essentially unlimited lifetime.