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September 21, 2016 10:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/e_60WacR9aM/nokia-says-it-can-deliver-internet-1000x-faster-than-google-fiber
Nokia Says It Can Deliver Internet 1,000x Faster Than Google Fiber
An anonymous reader writes: Verizon Fios has topped Netflix's speed index for quite some time now with its 500 Mbps up and down internet speeds. When compared to dial-up speeds of about 56 Kbps, Fios is roughly 1000 times faster (since 500 Mbps is equivalent to 500,000 Kbps). Google Fiber on the other hand offers 1 Gbps speeds, but it's not as widely available as Fios as of yet. In a statement made to ZDNet last week, Nokia said it has figured out how to deliver internet that is 2,000 times faster than Verizon Fios, or 1,000 times faster than Google Fiber. Their technique is called Probabilistic Constellation Shaping (PCS), which can deliver 1 Tbps speeds over a fiber connection. "The trial of the novel modulation approach, known as Probabilistic Constellation Shaping (PCS), uses quadrature amplitude modulation (QAM) formats to achieve higher transmission capacity over a given channel to significantly improve the spectral efficiency of optical communications," Nokia explains. "PCS modifies the probability with which constellation points, the alphabet of the transmission, are used. Traditionally, all constellation points are used with the same frequency. PCS cleverly uses constellation points with high amplitude less frequently than those with lesser amplitude to transmit signals that, on average, are more resilient to noise and other impairments. This allows the transmission rate to be tailored to ideally fit the transmission channel, delivering up to 30 percent greater reach." Nokia's demonstration is described as being achieved in "real-world conditions," though there is no timeframe as to when the technology will be deployed in real networks.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/e_60WacR9aM/nokia-says-it-can-deliver-internet-1000x-faster-than-google-fiber
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