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technologyreview.com - 10/7/2008

Wireless at Fiber Speeds

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There's no shortage of demand for faster wireless, but today's fastest technologies--Wi-Fi, 3G cellular networks, and even the upcoming WiMax --max out at tens or hundreds of megabits per second. So far, no commercial wireless system can beat the raw speed of optical fiber, which can carry tens ...

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20-Gigabit Wireless Data Achieved By Crossing Laser Beams [Wireless]
Gizmodo — ... on two low-frequency laser beams, then combin[ing] the two." I knew crossing the streams of a proton gun could be bad; I did not know crossing laser beams modulated with data signal could be this good. I suppose the breakthrough does bode well for wireless devices, but I can't imagine how any of this could run off of a lithium-ion battery. And, hey, wouldn't laser phones make us all go blind? OK, smart people, please start talking, cuz I'm definitely over my head on this one. [MIT Tech Review via ...

Battelle creates faster millimeter-wave device - Wireless at Fiber Speeds
D' Technology Weblog — ... expensive and very complex equipment. Now, engineers at Battelle, a research and development firm based in Columbus, OH, have come up with a simpler way to send data through the air with millimeter-wave technology. Earlier this year, in field tests of a prototype point-to-point system, the team was able to send a 10.6-gigabit-per-second signal between antennas 800 meters apart. And more recently, the researchers demonstrated a 20-gigabit-per-second signal in the lab. Full Article ...