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Proposal to unify powerline networks fails

Posted: 18 Nov 2008     Print Version  Bookmark and Share

Keywords:powerline networks  wired home networks  IEEE P1901  PHY protocol 

Some home networking chip companies see G.hn as a better opportunity than P1901 to unify their markets.

IPTV providers in Europe, such as France Telecom, use powerline home networks. In the United States, IPTV providers AT&T and Verizon use coaxial networks based on technology from the Home Phoneline Networking Association and the Multimedia over Coax Alliance, respectively.

Wired advantage
"Compliant wired networking products would help us better compete using a single chip in multiple markets," said Gomez. "I think what happened in P1901 will only put more positive pressure on the G.hn group to get its work finished."

G.hn is seen as the ultimate goal for a wired home networking standard, but the P1901 effort is still important, said Paul Liao, chief technology officer for Panasonic. One source said carriers are holding off on deploying powerline networks until a standard for them is set.

Wi-Fi dominates today, used in an estimated 53 per cent of networked homes in the United States, according to Parks Associates. Category 5 Ethernet cable makes up 28 per cent, while the remaining 19 per cent is nearly evenly divided between powerline and coaxial cabling.

- Rick Merritt
EE Times


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