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At this year’s Bluetooth Asia event, imec, the world-leading research and innovation hub in nano-electronics and digital technology, will demonstrate a new ultralow-power radio for IoT applications, with Arm (at booth 49). The radio combines imec’s latest transceiver frontend, operating from a nominal supply as low as 0.8V, with Arm’s qualified and silicon-proven Cordio® Bluetooth low energy 5 digital baseband. Designed for IoT applications demanding very low power consumption, such as leave-behind sensors or wearables, the solution demonstrates industry compatibility of these novel, highly energy-efficient radios.
The digital transformation that is currently happening at all levels of our society, is urging the need for specialty radios that have an extremely low power consumption. These will be used in battery-powered IoT devices such as leave-behind sensors in infrastructure, smart wearables or even implantables. Reducing power consumption and enabling operation at low supply voltages is key to extend lifetime of these devices, operating from low cost, single cell or even printed batteries. Arm’s heritage in low-energy IP makes them a perfect partner for imec. In the race for the lowest energy consumption, imec’s frontend components, such as the digital phase-tracking receiver technology presented at the renowned conference ISSCC 2018, are leading. While designed to be used in next generation Bluetooth and IEEE 802.15.4 products, they combine an unparalleled low power consumption, low cost and high performance. High energy efficiency and low supply voltage operation at 0.8V is achieved, while maintaining similar RX sensitivity as best-in-class products.
As one of the salient characteristics, imec’s RF frontend employs a novel phase-tracking receiver to directly translate the RF input to demodulated digital data. The receiver has been implemented in 40nm CMOS and features a 3x smaller area thanks to this novel front-end architecture, further reducing device costs. For wearable or implantable devices, where the antenna impedance can vary due to changes in a device’s position or surroundings, imec has developed a sub-mW on-chip impedance detection technique that further improves receiver sensitivity and transmitter efficiency.
“Arm’s IP provides the foundation for a secure, connected IoT. By demonstrating interoperability with our solution, we’re further proving our ability to design bleeding-edge innovations compatible with cost-effective, robust industry solutions,” says Kathleen Philips, program director IoT at imec. “Our components offer companies a long-term competitive advantage for multiple new generations of Bluetooth and 802.15.4 radios still to come. We offer white-box IP licenses to partners in which we support technology transfer and offer assistance during the transfer phase. In addition, we invite companies interested to help build the future of ultralow-power connectivity to join our research programs.”
About imec
Imec (imec-int.com) is the world-leading research and innovation hub in nanoelectronics and digital technologies. The combination of our widely acclaimed leadership in microchip technology and profound software and ICT expertise is what makes us unique. By leveraging our world-class infrastructure and local and global ecosystem of partners across a multitude of industries, we create groundbreaking innovation in application domains such as healthcare, smart cities and mobility, logistics and manufacturing, energy and education.
As a trusted partner for companies, start-ups and universities we bring together more than 4,000 brilliant minds from over 85 nationalities. Imec is headquartered in Leuven, Belgium and has distributed R&D groups at a number of Flemish universities, in the Netherlands, Taiwan, USA, China, and offices in India and Japan. In 2017, imec's revenue (P&L) totaled 546 million euro.
Imec is a registered trademark for the activities of IMEC International (a legal entity set up under Belgian law as a "stichting van openbaar nut”), imec Belgium (IMEC vzw supported by the Flemish Government), imec the Netherlands (Stichting IMEC Nederland, part of Holst Centre which is supported by the Dutch Government), imec Taiwan (IMEC Taiwan Co.) and imec China (IMEC Microelectronics (Shanghai) Co. Ltd.) and imec India (Imec India Private Limited), imec Florida (IMEC USA nanoelectronics design center).
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hanne.degans[.]imec.be 
