This link has been bookmarked by 2 people . It was first bookmarked on 06 Feb 2008, by juandesant.
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06 Feb 08
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29 Mar 05
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In UC Berkeley electrical engineer Ali Niknejad's imagination, tomorrow's personal computers will look more like iPods than laptop PCs. You'd carry all of your data in your pocket. Need a monitor? Walk up to a wall screen and forge an instant wireless link. Inside your office, the device might connect to the local WiFi network for online access. Step outside and the Internet connection seamlessly switches to cellular. Such a device would require either several radios capable of operating at different frequencies, or a single radio with a bit of brains and a lot of flexibility. Niknejad is working on the latter. "We're trying to build a cognitive radio that would be aware of its environment," says Niknejad, a member of the Berkeley Wireless Research Center. "It would decide what specifications like frequency and power consumption are appropriate and adjust itself accordingly."
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In UC Berkeley electrical engineer Ali Niknejad's imagination, tomorrow's personal computers will look more like iPods than laptop PCs. You'd carry all of your data in your pocket. Need a monitor? Walk up to a wall screen and forge an instant wireless link. Inside your office, the device might connect to the local WiFi network for online access. Step outside and the Internet connection seamlessly switches to cellular. Such a device would require either several radios capable of operating at different frequencies, or a single radio with a bit of brains and a lot of flexibility. Niknejad is working on the latter. "We're trying to build a cognitive radio that would be aware of its environment," says Niknejad, a member of the Berkeley Wireless Research Center. "It would decide what specifications like frequency and power consumption are appropriate and adjust itself accordingly."
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