April 21, 2005
 



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Posted: 12.28.04
On the Horizon: 802.22
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The development of a first-generation, high-speed 802.22-based Internet connection is currently underway. Wi-Fi Wireless, an Oregon-based start-up, has contracted with Avalon RF, a developer of wireless links in California, to design and produce the first narrow band, “last mile” mobile high-data-rate solution for its global communication network.  

By Rita Kushnir




Most current Wi-Fi systems use the 802.11 standard and are confined to the limited radius of a hotspot. And because it depends on radio waves, the 802.11 standard is also limited in terms of speed. Although the maximum functional range of 802.11 networks is 1,000 feet, in reality the area is usually considerably smaller because radio waves have a hard time traveling through brick, wood and metal walls. A more accurate approximation is between 60 and 150 feet for a data connection in an office. Users of existing Wi-Fi systems can surf the Internet at a maximum data rate of 54 Mbps per user on a WLAN. However, the performance degrades at a rate of 50 percent for each additional user.

With the development of 802.22-based solutions, Wi-Fi Wireless claims to overcome these limitations by using an ultra high frequency (UHF) spectrum in conjunction with its Space-Time technology. The coverage area is not reduced by physical obstacles such as walls, because microwaves are split at a higher frequency and easily penetrate most conventional structures, retaining the promised 10-mile radius of coverage from a single base station. The use of proprietary IP and narrow-band channels allows the new Wi-Fi wireless solution to serve up to 25,000 users with data transfer rates from 200Kbps up to 3Mbps and an inexhaustible user terminal capacity.

Thus, the new Wi-Fi Wireless and Avalon RF solution promises to provide a seamless, highly mobile, high-speed Internet connection that will increase efficiency and reduce costs for businesses. And reportedly, the long-awaited development is almost here. Although it’s unclear whether 802.22 networks are prepared to take-off early next year, Wi-Fi Wireless plans to begin offering orientation demos to all qualified distributors by the first quarter of 2005.







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