Even so, the equipment-makers argue that, though doable, all this sensing palaver makes white-space devices needlessly complicated and expensive.
If Wi-Fi is anything to go by, white-space networking has the potential to change the way people live, work and play.
White-space consumer products could then hit the retail market by late 2012.
As a white-space gizmo moves around a city, the channels it can use will change, depending on how close it gets to various transmitters.
Cambridge start-up Neul is leading the way in making white-space equipment.
For one thing, white-space transmitters have to avoid interfering with both local television stations and the wireless microphones used in conference halls, sports arenas, theatres and churches.
The prototype white-space devices used in trials had little trouble sensing occupied TV channels, typically picking them up at signal strengths less than a thousandth of that needed to display an image on a TV screen.
Based on this, engineers in my company and others, many belonging to institutions such as the IEEE (Institute of Electrical and Electronics Engineers), have got together to develop a standardised technology that will work well with the spectrum identified - "white space spectrum" - and be optimal for machines.
Half a dozen computers were set up in a starkly decorated, white-walled living space.
Redesigned by Pritzker Prize-winning starchitect Jean Nouvel, the cube-like white space is flooded with light through skylights and tinted windows.
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Compared with other forms of wireless technology, such as Bluetooth and wi-fi, white space devices are being designed to use a much wider range of frequencies, including the lower frequencies that have traditionally been reserved for TV and radio.
The L.A. house, nestled between West Hollywood and Beverly Hills and blessed with terrific views, is by far his most modern creation, but it retains a classic Romualdez mix: High-gloss white terrazzo floors and flokati-upholstered Ricky Clifton settees share space with an Italian olive wood pyramid from Carlton Hobbs, one of his favorite dealers.
Davis and his sister, Bethie, had been entranced since infancy by this figure, by its bulbous, ghostly white space suit, its forever-unseen face behind the glistening visor of its helmet, its suggestion that perhaps within the interior of the McDonald's there existed some secret gravity-free realm.
The acquisitions AOL made were pre-purchase successful because they were White Space endeavors that had close connection to the market.
The literal launch of brand NASA found every American in front of the flickering black-and-white images of a man hurtling into space.
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The pilot will test the inter-operation of white spaces devices, white space databases and the processes to mitigate against causing any undue interference to current spectrum users.
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For now, and probably in the long term, TV white space networks will be complementary to fibre-optic broadband rather than a replacement.
The space has charcoal-and-white wallpaper, a magnetic wall, a custom sectional and a long desk with computers for Jake and his 8-year-old sister.
White Space devices will reach speeds of 400-800Mbps.
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By telling the U.S. to embrace the PLO, Israel found itself without recourse when -- in the space of just a few weeks from the euphoric signing ceremony in the White House Rose Garden -- the PLO resumed its war against Israel, transforming the areas Israel had transferred to its control into the largest terror training bases in the world.
The curving walls of this white-washed building arc around a courtyard amphitheatre, a space that was used for client presentations and meetings.
The frontier of biomedical research is inside an unassuming green box with a black-and-white touchscreen mounted on a rack in the International Space Station.
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Compared with other forms of wireless technologies, such as regular Bluetooth and Wi-Fi, the radio waves used by white space devices will be able to travel longer distances and more easily through walls.
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There, he collapses backward as Stravinsky's final, bleating note cues the escape from within the proscenium space of a silky wisp of pure-white fabric, sending it like a comet into the auditorium ceiling.
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It's a photo taken in 1972 of a Philip Morris office space, all white and empty but for rank-and-file black telephones on the floor hooked up to outlet poles as if on IV support.
It was a sweeping space in white and cream tones, and it single-handedly revived the staid shopping street.
Ando simplified the 53, 800-square-foot space by aligning doorways and hanging a giant white veil under the glass atrium to diffuse the natural light.
The offshoot of billionaire Richard Branson's Virgin Atlantic Airways in December unveiled the first commercial passenger spaceship, a sleek black-and-white vessel that represents an expensive gamble on creating a commercial space tourism industry.
Next day, near the Notre Dame Cathedral (I was beginning to blame the Frenchies for all this), there were dozens of Christmas-card sellers vying for space with bridal couples in absurd white satin dresses and morning suits, who had just been married during the auspicious festive season and were posing interminably for photographs.
And whereas Wi-Fi signals wimp out after 100 yards or less, the White Space signals could travel for miles.
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