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Reflections

RevMike writes "The New York Times (reg required) is reporting that Bell Labs/Lucent has developed a method to multiply the bandwidth of cellular networks by using multipath. Robert Lucky developed the system called Blast. He claims that it should multiply the data rates in existing spectrum 300% to 400%. One prototype took a network from 2.5Mb/s to 19.2 Mb/s. Interestingly, the system works better in cluttered environments." And on a related note, Kimberley Burchett writes "The latest Physics News Update mentions that skyscrapers could actually help wireless communication. 'The more scatterers between the transmitters and receivers, the more channels that are available. For the time being, the communication technique is limited to ultrasonic communication - the electronics necessary for exploiting scatterers with wide-band time-reversal antennas at cell phone frequencies simply don't yet exist.'"

11 of 169 comments (clear)

  1. another dissapointment by syle · · Score: 5, Funny

    wide-band time-reversal antennas ... simply don't exist yet. And in related news, still no flying cars. So far, this new millennium sucks.

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    /syle

  2. Just Effing Great by Wintermancer · · Score: 4, Funny

    First, it's people yakking on the cell phone in the movie theater.

    Now it going to be people wanking off to their live-feed pr0n delived to their cellular in the movie theater.

    Lovely....

    1. Re:Just Effing Great by Amsterdam+Vallon · · Score: 2, Funny

      Why pay eight bucks when you can J.O. at home for free?

      Just curious if I'm missing some new technique or something...

      --

      Reply or e-mail; don't vaguely moderate. Ex-O'Reilly/MIT employee, now a full-time Google employee.
  3. Robert Lucky developed the system called Blast. by stratjakt · · Score: 3, Funny

    I thought that was Robert Blake?

    --
    I don't need no instructions to know how to rock!!!!
  4. Re:Anyone got a Mirror by the+way,+what're+you · · Score: 4, Funny

    Who needs a mirror when you've got Reflections?

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    example.org - powered by Linux!
  5. Who would've thought? by Amsterdam+Vallon · · Score: 4, Funny

    The latest Physics News Update mentions that skyscrapers could actually help wireless communication.

    I never would have imagined that a tall, slender, permanent, cellphone tower-like structure could serve as a cellphone tower.

    --

    Reply or e-mail; don't vaguely moderate. Ex-O'Reilly/MIT employee, now a full-time Google employee.
  6. Re:Anyone got a Mirror by Anonymous Coward · · Score: 1, Funny

    That says foreign flicks

  7. Hmmm... by Visigothe · · Score: 4, Funny
    Interestingly, the system works better in cluttered environments.
    You should see the bandwidth available in my bedroom!!
  8. If my calculations are correct... by jpsst34 · · Score: 4, Funny

    "...the electronics necessary for exploiting scatterers with wide-band time-reversal antennas at cell phone frequencies simply don't yet exist."

    Perhaps if someone would fall and hit their head on the toilet, then they would come up with the means for time-reversal. Tell me future boy, why do we need screen savers on our mobile phone LCD screens?

    --
    How are you going to keep them down on the farm once they've seen Karl Hungus?
  9. Customary Joke by dracken · · Score: 2, Funny

    ...skyscrapers could actually help wireless communication.'The more scatterers between the transmitters and receivers, the more channels that are available...

    It took the physics guys this long to figure out that a beowulf cluster of skyscrappers works better ?

    Ducks...;)

  10. Re:Similar work at BYU by Anonymous Coward · · Score: 1, Funny

    Brigham Young University is doing similar work on MIMO (Multiple Input Multiple Output) systems.

    There is a joke about polygamy lying in this statement.

    Sorry, had to be said :)