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On-silicon Gigahertz Radio Exploration
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The aim of the OGRE group is to design a
fully-integrated low-power multiple antenna
wireless LAN radio front-end at 60 GHz using conventional silicon
technology.
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mm-Wave Devices are
“exotic” and therefore expensive .........
How far can we push CMOS and Bipolar? |
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This will enable low-cost, low-power,
mobile, agile mm-wave communications.
A broadband wireless system capable of
providing 10x capacity and operating at 10x the carrier frequency of
current wireless radios will require a fundamental shift in the design of
CMOS circuits and new approaches to system design. To address these
challenges, our research is focused on several key areas:
We are investigating system algorithms
and architectures that are both amenable to the limited capabilities of
conventional silicon technologies and capable of overcoming the challenges
of the 60 GHz channel. The low required spectral-efficiency required for
60GHz operation allows for investigation into alternative system
architectures that are better suited to conventional silicon
implementations. Also, the significant processing capabilities of digital
CMOS architectures allow extensive estimation of and compensation for the
inherent impairments of silicon technologies in the 60GHz band.
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