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Updated: Apr 18, 2026
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Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver
Published on: August 27, 2021
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Remote powering platform for implantable sensor systems at 2.45 GHz.
Summary
This study presents a remote powering platform for low-power sensor systems using a miniaturized antenna and base station. The developed rectenna achieved a realized gain of -3.3 dB, enabling efficient wireless power transfer.
Area of Science:
- Electrical Engineering
- Wireless Communication
- Sensor Technology
Background:
- Low-power sensor systems require efficient power solutions for long-distance operation.
- Remote powering offers a viable alternative to traditional batteries for ubiquitous sensing applications.
Purpose of the Study:
- To demonstrate a functional remote powering platform for sensor systems.
- To design, fabricate, and measure a miniaturized rectenna for efficient energy harvesting.
Main Methods:
- Development of a remote powering base station operating at 2.45 GHz.
- Design and measurement of a rectenna (receiving and conversion element) for the sensor system.
- Antenna gain measurements performed within a 15 cm range.
Main Results:
- The rectenna achieved a measured realized gain of -3.3 dB.
- The measured gain was within 0.5 dB of the simulated gain of -2.8 dB.
- Successful demonstration of a remote powering platform.
Conclusions:
- The developed platform enables remote powering for low-power sensor systems.
- The miniaturized rectenna shows promising performance for wireless energy harvesting.
- Further optimization can enhance the range and efficiency of the remote powering system.
