Alcatel-Lucent claims record broadband speed via copper lines
Alcatel-Lucent says it has delivered speeds of 10Gbps via copper cables.
French telecoms equipment company Alcatel-Lucent claims to have set a new broadband speed record for data transmission using traditional copper infrastructure.
Bell Labs, the firm's research arm, achieved a top speed of 10Gbps over a distance of 30m by using two pairs of copper lines – a process known as 'bonding'. On a single copper pair, the tests delivered 1Gbps symmetrical speeds over 70m.
A prototype technology called XG-FAST – an extension of the new G.fast broadband standard being finalised by the International Telecommunication Union – was adopted during the trials.
Set to come into effect next year, G.fast will use a 106MHz frequency for transmitting data at speeds of up to 500Mbps for distances of 100m.
Discussing the potential benefits provided by its achievement, Bell Labs explained it will allow operators to deliver speeds that are "indistinguishable" from those offered by fibre-to-the-home broadband services.
Marcus Weldon, President of Bell Labs, said: "By pushing broadband technology to its limits, operators can determine how they could deliver gigabit services over their existing networks, ensuring the availability of ultra-broadband access as widely and as economically as possible."
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