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Wi-Fi (802.11x) - Что это такое? (Новости) Выпуск от 20.12.2004


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Выпуск № 80 от 20.12.2004.


Тема:
 
WiMAX ‘won’t kill Wi-Fi’
While WiMAX enthusiasts sometimes claim that it will “kill Wi-Fi”, nothing could be further from the truth, according to current studies from analysts ABI Research. The company says a complementary existence is more likely.

Phil Solis, senior analyst for wireless connectivity at ABI, says it will be several years before WiMAX gains any real traction in the 802.16e market. (802.16e is the mobile version of WiMAX that will allow for portability and mobility.)

“We’re not looking at WiMAX even starting to compete against Wi-Fi until 2007, when it will turn up in a few laptops. By then, Wi-Fi penetration in laptops will be almost universal,” Solis explains. And putting WiMAX chips, with their high power consumption, in PDAs or phones will be more difficult, and occur later, than putting them in a laptop, he adds.

While customer premises equipment (CPE) receivers will be able to get signals from local transmitters before WiMAX chips appear in computers, the rest of the devices in a corporate or home network will remain unconnected. Consequently, a combination of WiMAX to the building, then Wi-Fi for the interior network is likely.

The research suggests that WiMAX will coexist with Wi-Fi, providing backhaul to Wi-Fi access points, and as a supplement to costly cable and DSL deployment in areas where they are not present. Underdeveloped countries and rural regions stand to profit from WiMAX’s lower infrastructure cost.


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