Design of a CMOS System-on-Chip for Passive, Near-Field Ultrasonic Energy Harvesting and Back-Telemetry
Product Description
Design of a CMOS System-on-Chip for Passive,
Near-Field Ultrasonic Energy Harvesting
and Back-Telemetry
Abstract— Many packaging and structural materials are made of conductive materials such as metal or carbon-fiber composites, which limits the use of embedded radio frequency-based telemetry systems for sensing. In this paper, we present the design of a complete passive ultrasonic energy harvesting and back-telemetry system that exploits near-field acoustic coupling to wirelessly transfer energy and data across conductive barriers. The use of near-field operation makes the telemetry robust to multipath reflections that occur at barrier discontinuities and
robust to crosstalk when multiple sensors are simultaneously interrogated. Underlying the proposed architecture is a systemon- chip (SoC) that integrates different ultrasonic energy harvesting and telemetry modules. < final year projects >
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