Atheros Intros Dynamic TurboAtheros Intros Dynamic Turbo
Atheros deploys adaptive bandwidth technology to provide performance on demand based on channel availability
March 15, 2004
SUNNYVALE, Calif. -- Atheros Communications, a leading developer of advanced wireless LAN (WLAN) chipsets, today announced the first commercial deployment of adaptive bandwidth technology. This new capability, which is based on Atheros' award-winning Super G technology, is a software update that provides performance-on-demand based on channel availability. It is the first commercial deployment of a variable-bandwidth radio system that will monitor the entire 802.11g band and automatically increase the throughput when channels are available.
The base mode uses standards-based data compression, large frames and bursting features to deliver real-world network throughput in excess of 40 Mbps for typical data files, an increase of up to two times over traditional 802.11g networks. The enhanced mode, called Dynamic Turbo, further increases throughput by extending the bandwidth of the signal to provide a total throughput of over 60 Mbps for typical data, up to three times greater than traditional 802.11g networks. These figures compare to 18-22 Mbps peak throughput for standard 802.11g solutions, and recent throughput claims of up to 30 Mbps for proprietary solutions from other vendors.
The new Dynamic Turbo extends the feature set of Super G products by adding a capability that automatically detects and adapts to nearby Super G, 802.11g, and 802.11b products. This capability aligns with Federal Communications Commission (FCC) initiatives on Cognitive Radio, which promote more efficient sharing of spectrum. It also allows greater use of the spectrum overall, because the Atheros Super G technology enhances channel efficiency, leaving more channel access time available for other network users. The new feature has been released to Atheros' customers, and will be available to end users in new products and as Web-based upgrades.
Independent tests conducted by Elliott Laboratories have shown that Super G products with Dynamic Turbo will consistently deliver over 60 Mbps of end-user TCP/IP throughput using typical data files. Elliott Labs tests also show that, when operated in close proximity to a nearby 802.11b or 802.11g wireless network, Super G automatically adjusts to single-channel transmission allowing other users to achieve maximum throughput.
"This new capability allows users to take advantage of the benefits of Super G technology at the fastest rate available," said Colin Macnab, vice president of marketing and business development of Atheros. "With this advance in Super G technology, we've delivered on another milestone in our product strategy to introduce adaptive, high performance radios that offer greater throughput and extended range. This will improve the overall wireless user experience, both for those using Atheros technology and also those using other competing technologies. The Dynamic Turbo feature allows Atheros Super G products to automatically detect and adapt to the wireless environment."
Atheros Communications Inc.
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