| I&T Solution |
RF Energy Harvesting System for IoT Sensors
(REF: S-0998) |
| Matched I&T Wish |
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| Trial Project |
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| Solution Feature |
- Multiport and multiband antenna will be developed to collect ambient RF energy.
- Multiport and multiband rectifier will be utilized to convert RF power into dc power. DC combining will be adopted to improve dc output voltage.
- Power management unit (PMU) is used to incorporate multiple input power and redistribute them to multiple output loadings. Supercapacitor will be used to store up energy continuously.
- Low duty cycle and low power sensors can be powered up from ambient RF energy harvesting.
- Measured data can be transmitted to gateway via Bluetooth Low Energy (BLE).
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| Trial Application and Expected Outcome |
- Target volume of the entire RF energy harvesting system for IoT sensor is less than 200x180x40mm3.
- Target frequencies and RF bands to be covered are 900MHz, 1800MHz and 2100MHz.
- Possible IoT sensor types are for measuring different physical quantities in the environment, such as humidity or temperature.
- The proposed system can be used indoors closed to cell phone repeaters. Data collection frequency is 1~4 times per day.
- Base station compatibility is for any device compatible with Bluetooth 5.0.
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| Info on I&T Solution Provider |
| Solution Provider | : | Department of Electronic & Computer Engineering | | Address | : | Clear Water Bay, Kowloon, Hong Kong | | Contact Person | : | Ross Murch |
| Position | : | Chair Professor | | Tel | : | (852) 2358 7044 | | Email | : |
eermurch@ust.hk | | Webpage | : | https://eermurch.home.ece.ust.hk/ |
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