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Home > Press > Imec demonstrates low power beamforming transceiver chipset for 60GHz multi-Gbit wireless communication: New advancement enables the development of low-power, low-cost, high-data rate solutions for true mobile devices
|Imec’s low-power multi-Gbit 60GHz wireless module integrating a 40nm low-power chip with a 4-antenna array|
Imec, in collaboration with Panasonic Corporation (Japan), has presented at the IEEE International Solid-State Circuits Conference (ISSCC2013) a 60GHz radio transceiver chipset with low power consumption, that delivers high data rates over short distances. Imec drastically boosted the link budget of the system by introducing beamforming into the radio architecture. This multi-Gbit 60GHz chipset paves the way toward small size, low-power, low-cost, high-data rate solutions for battery-operated consumer devices, such as smart phones and tablets.
"Exchange of gigabytes of data between mobile devices requires a viable 60GHz technology that balances cost, size and power consumption," said Liesbet Van der Perre, program director of green radios at imec, "Imec's prototype transceiver chipset enables multi-gigabit wireless connectivity for ‘true mobile' devices thanks to its very low power consumption. More demanding applications such as high-definition video streaming and gaming with low latency, proximity computing and wireless docking can also be built on our technology."
The prototype chipset consists of a receiver and a transmitter chip, and these are based on a direct conversion architecture combined with an on-chip phased-array architecture. This makes it suited for implementation in 40nm low-power digital CMOS technology targeting low-cost, mass market production. The receiver and transmitter chips are implemented for 4 antenna paths, but they are easily extendible to more antenna paths thanks to the beamforming at analog baseband, rather than at RF. The chip size is kept low through the use of lumped components even at 60GHz, and very compact mm-wave CMOS layout techniques. The transmitter chip consumes 584mW and the receiver chip 400mW at 1.1V power supply. The chipset is integrated with a 4 antenna array in a compact module and demonstrated in a wireless link. With QPSK modulation, a data rate of 2.31Gbps is obtained, and with QAM16 modulation, a data rate of 4.62Gbps is achieved. No bit errors were found when transmitting packets of 32,768 symbols over a distance of 3.6m with QPSK modulation and 0.7m with QAM16 modulation. Thanks to the beamforming a 3dB scan angle range around 120º is achieved with 11dBi antenna gain.
The imec receiver and transmitter chips are designed for the IEEE802.11ad standard. The receiver and transmitter chipset has been tested with a IEEE 802.11ad PHY/MAC baseband chip developed by Panasonic, demonstrating the complete system for IEEE 802.11 applications. The beamforming functionality is also verified in these system tests.
We invite other companies to join imec's 60GHz R&D program as research partner or they can have access to the technology for further development through licensing programs.
Imec performs world-leading research in nanoelectronics. Imec leverages its scientific knowledge with the innovative power of its global partnerships in ICT, healthcare and energy. Imec delivers industry-relevant technology solutions. In a unique high-tech environment, its international top talent is committed to providing the building blocks for a better life in a sustainable society. Imec is headquartered in Leuven, Belgium, and has offices in Belgium, the Netherlands, Taiwan, US, China, India and Japan. Its staff of close to 2,000 people includes more than 600 industrial residents and guest researchers. In 2011, imec's revenue (P&L) was about 300 million euro. Further information on imec can be found at www.imec.be.
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 (Shangai) Co. Ltd.) and imec India (Imec India Private Limited).
Panasonic Corporation is a worldwide leader in the development and manufacture of electronic products in three business fields, consumer, components & devices, and solutions. Based in Osaka, Japan, the company recorded consolidated net sales of 7.85 trillion yen for the year ended March 31, 2012. Panasonic’s stock is listed on the Tokyo, Osaka, Nagoya and New York (NYSE:PC) Stock Exchanges. The company has the vision of becoming the No. 1 Green Innovation Company in the Electronics Industry by the 100th year of its founding in 2018. For more information on Panasonic, its brand and commitment to sustainability, visit the company's website at panasonic.net
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