Australian researcher speeds up ADSL to 100Mbps


— 1:53 PM on November 8, 2007

Although ADSL can already hit data speeds of up to 24Mbps in its latest iterations, the technology is trumped by faster cable and fiber-optic services from a speed standpoint. However, as Australia's Sunday Morning Herald reports, an Australian researcher has developed technology that could put ADSL back in the ring.

The technology put together by Dr. John Papandriopoulos for his Ph.D. thesis promises to push ADSL up to speeds of 100Mbps, rivaling the latest fiber-optic offers. Papandriopoulos tells the Sunday Morning Herald that his algorithm works by helping minimize cross-talk, which he says is the main obstacle to higher speeds.

"Many years ago people used to pick up the phone and make a phone call and you'd be able to hear a faint or distant telephone conversation taking place, and that's called cross-talk," Dr Papandriopoulos said when attempting to explain how his algorithm worked.

"That is not an issue for voice calls these days but it becomes a problem when you're trying to wring more bandwidth out of these existing copper telephone wires [which power ADSL broadband connections]."

"This cross-talk in current day DSL networks effectively produces noise onto other lines, and this noise reduces the speed of your connection."

Papandriopoulos explains that, while others have attempted to develop similar technology, his project is "more practical and easier to implement." He expects commercial applications of his technology to surface within "two to three years" if it is successfully licensed. (Thanks to DailyTech for the tip.)

   
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