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Consortium takes on next phase of DSL tech

Posted: 12 Oct 2006 ?? ?Print Version ?Bookmark and Share

Keywords:ECI Telecom? DSL consortium? broadband? DSL? Dynamic Spectrum Management?

Led by Israeli broadband equipment provider ECI Telecom, a group of industrialists and academics have formed a consortium to spearhead the next phase of DSL technology that would use Dynamic Spectrum Management (DSM) techniques. The group is funded with an expected grant of $10 million over the next three years, and is being financed by the Chief Scientist Office of the Israeli Government.

Initial members of the multidisciplinary group include telecom operators such as Telefonica and Bezeq, equipment vendors including Actelis, RIT Technologies and Amethist, as well as leading academic institutions, including the Technion, Bar Ilan University and Tel Aviv University.

The participants say DSM is a "promising technology expected to provide reliable, fiber-optic-like rates over the existing copper infrastructure." They suggest DSM will have a significant impact on the market, as the DSL industry is looking for solutions beyond VDSL2 to increase subscriber broadband rates.

"The main obstacle for the advancement of DSL technology is the interference ("crosstalk") generated from different DSL lines that share the same telephone cable binder," said John Cioffi, professor of engineering at Stanford University, a pioneer of DSM research, who is also recognized as the inventor of the DMT line code.

Zvika Weinshtock, VP marketing of ECI Telecom's broadband access division, said in a statement, "DSM is the next step in the evolution of telco's access infrastructure. It will allow telcos to provide high-bandwidth services cost-effectively by leveraging FTTC topologies rather than replacing all copper wires with fiber-optics until the subscriber premises."

- John Walko
EE Times Europe

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