MIT Develops Small-Scale Wake-Up Receiver to Extend IoT Sensor Battery
With IoT devices and the batteries that power them, becoming increasingly small in design, developing compatible wake-up receivers that keep the devices in low-power sleep mode has become an important task for engineers.
By using terahertz waves, the team from MIT was able to create a suitable small-scale receiver. Terahertz waves are around one-tenth the length of radio waves, allowing the device to be smaller.
Applications for the receiver include environmental monitoring microbots, which are often deployed in small and hard-to-reach areas.
“By using terahertz frequencies, we can make an antenna that is only a few hundred micrometers on each side,” said Eunseok Lee, lead author of the study. “This means we can integrate these antennas to the chip, creating a fully integrated solution. Ultimately, this enabled us to build a very small wake-up receiver that could be attached to tiny sensors or radios.”
Siemens Healthineers has selected Cognosos to provide real-time asset tracking and intelligence for its network of hospitals and health care facilities.
Designed to track the location of critical medical assets, Cognosos’ technology enables users to streamline operations, avoid unnecessary costs and create greater transparency across a health care facility.
“Enhancing our customers' ability to optimize operations and maximize productivity with real-time, room-level visibility of their assets using easily deployed, lightweight infrastructure will be a significant workflow and efficiency driver for healthcare providers,” said Ben Sperling, Siemens Healthineers vice president.
Cognosos’ real-time location services (RTLS) use wireless network technology and AI-enabled location tracking to provide widespread, consistent asset visibility.
“This collaboration will enable hospitals to quickly and easily implement RTLS while providing the intelligence needed to accelerate processes and streamline operations within their facilities,” said Braxton Jarratt, Cognosos CEO.
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