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Bell Labs achieves over 10Gbps using traditional copper phone lines

Bell Labs claims it has set a new broadband speed record using traditional copper telephone lines, smashing 10Gbps

| Connectivity & Communications News | Posted: Jul 10, 2014 9:31 am

Bell LAbs, which is a division of Alcatel-Lucent, is claiming to have "set a new broadband speed record of 10Gbps using traditional copper telephone lines". This was achieved in a research project that could see gigabit broadband speeds delivered to normal broadband networks with copper, by combining fiber.

 

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These 10Gbps speeds can only be achieved at 30 meters (or 100 feet), and at 70m (or 230 feet) the top speeds drop to 1Gbps. Alcatel-Lucent has said that bidirectional 1Gbps speeds can be achieved in the real-world over networks that deliver fiber to the curbside, and rely on copper for the final few feet of the connection.

 

Alcatel-Lucent said: "When it becomes commercially available in 2015, G.fast will use a frequency range for data transmission of 106MHz, giving broadband speeds up to 500Mbps over a distance of 100 meters. In contrast, XG-FAST uses an increased frequency range up to 500MHz to achieve higher speeds but over shorter distances. Bell Labs achieved 1Gbps symmetrical over 70 meters on a single copper pair. 10Gbps was achieved over a distance of 30 meters by using two pairs of lines (a technique known as 'bonding'). Both tests used standard copper cable provided by a European operator".

NEWS SOURCES:Arstechnica.com

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