Senin, 30 Juni 2008

The first certified implementation of mobile WiMAX has gone live in a small deployment in Jackson Hole, Wyoming, through a partnership of Alvarions silicon and DigitalBridge Communications.

DBC currently serves 3,000 homes and businesses in the area, and the company hopes to add the mobile capabilities to its 200,000-home footprint throughout the year, DBC said.

On June 17, the WiMAX Forum certified ten mobile WiMAX products that use the 2.5-GHz band. Mobile WiMAX allows for true nomadic roaming, like a cell phone or 3G-equipped notebook, allowing handsets or PC cards equipped with the proper chipset to receive WiMAX while on the road.

Alvarions BreezeMax 2.5 chipset, which will be used in Jackson Hole, is just one piece of the puzzle, however; DBC will still need to roll out a mobile station module to allow true broadband roaming using the technology. Alvarion, for its part, indicated that products "from the open market" could fill this need.

The products that the WiMAX Forum certified, however, include products from Airspan Networks, Beceem Communications, Intel, Samsung, Sequans Communications and ZyXEL, each of which received cerification for a mobile module. Alvarion, Motorola, Samsung, and Sequans all received certification for their base-station products. Certification ensures that all of the products are interoperable with one another.

More than 100 products are expected to be certified by the end of 2008, with over 1,000 by 2011, the Forum added.

The WiMAX Forum said that it will begin to accept certification applications for 3.5-GHz equipment during 3Q 2008, with testing to begin in the fourth quarter, and certification completed for those products before the end of the year. The 2.5-GHz band, where WiMAX is concerned, is essentially restricted to the United States; the 3.5-GHz band will be used elsewhere around the world. Testing of 2.3-GHz WiMAX procedures will also occur during 2008, the Forum said. The latter technology is used in a few locations throughout the world, most notably South Korea, where it is the spectrum band used by WiBro, a precursor to WiMAX.

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