Huawei Develops DSL Capable of Transmitting 1 Gpbs Over 100 Metres

Huawei has developed a prototype DSL (Digital Subscriber line), capable of transmitting 1 Gbps over 100 metres of twisted copper wire.

The company said the Giga DSL prototype uses time division duplex (TDD) technology to reach upload and download speeds of 1 Gpbs.

Huawei said the technology allows broadband service providers to offer more speeds than traditional FTTB (Fiber to the Building) or FTTC (Fiber to the Curb) connections offer.

The company said the Giga DSL technology is also low on radiation interference and power consumption thanks to its use of low-power spectral density in-signal transmission. Huawei said the DSL was capable of delivering upstream and downstream speeds of 1 Gbps in 100 meters of copper wire and 500 Mbps in 200 metres, as reported by iTWire.

"Huawei has taken the lead in developing a Giga DSL prototype because of our rich capabilities and industry-leading technical strengths in access networks," said Dr. Long Guozhu, Huawei's Principal Expert of DSL technology.

"It was inevitable that spectrum expansion would help us improve the rate of a twisted pair at a short distance, but after the spectrum is expanded, a technical issue appears: how to design the high-speed physical layer and high-frequency analog front end (AFE)," he added.