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Up against laws of physics, Bell Labs pushes network performance

Mikael Ricknäs | April 9, 2015
By using more spectrum and developing new ways to send multiple channels of data at the same time, researchers at Bell Labs are working to increase bandwidths over fiber, copper and the air.

However, getting that much data onto one of the cores is very difficult. And squeezing many cores into a fiber can result in interference that has to be removed. Just like the network equipment, the fiber are still being developed. Figuring all this out, and doing it economically, will be as big a challenge as anything previously developed.

"As usual in physics, you don't get something for nothing," said Weldon.


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