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Tuesday, March 17, 2009
Ecma Starts TV White Spaces Standard


Ecma International started developing a high-speed wireless networking standard for use in the Television White Spaces, based on the contribution from Cognitive Networking Alliance (CogNeA).

The standard will employ cognitive radio technology to avoid interference with licensed services and other incumbent users in compliance with the Federal Communication Commission (FCC) regulatory rules.

The wireless networking standard will serve a broad range of applications, including in-home high-definition multimedia networking and distribution, and internet access for communities. Simply put, the new standard will deliver more robust wireless connectivity, extend the coverage range and result in cost effective networking solutions, both indoors and outdoors. Since the standard leverages frequencies allocated for television services in the Ultra High Frequency (UHF) bands, it inherits superior propagation characteristics to penetrate walls for improved coverage.

CogNeA contributed its specification to Ecma?s TC48-TG1 that will further develop it and plans to finalise the 1st edition for publication by the end of 2009. The Standard comprises Physical (PHY) and Medium Access Control (MAC) layers that include interference-avoidance mechanisms. The Physical layer, interference-avoidance and cognitive radio technologies, will be specified such that other wireless networking standards, looking to operate in the TV whitespaces, can use it.

"Our mission in Ecma international is to deliver the new wireless standard for use in TV white spaces to provide the robust and low cost wireless connections, while meeting the FCC requirements to protect incumbents. This standard will expedite commercialization of innovative wireless applications and stimulate wireless and IT industries," said Dr. Kyutae Lim, TC48-TG1 convener.


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