(Editor's note: This popular feature article, which was first published May 2007, is being republished in response to its great popularity and the likelihood that the 802.11n spec will be ratified in ...

Backward compatibility with the legacy devices (IEEE 802.11b/g) The typical 802.11n network consists of legacy 802.11b/g enabled systems and new 802.11n enabled MIMO-OFDM systems. The channel access ...

Wi-Fi's biggest advantage is that it provides mobility and coverage. But early versions of Wi-Fi did not achieve data rates on par with the wireline network. Recent advancements in wireless research ...

Course Description: This course is part of our eLearning Archive, which includes older courses that may not be current or as user-friendly as courses designed more recently. The IEEE 802.11n standard ...

802.11 is a set of IEEE standards that control wireless networking transmission methods. They are used today in the following versions to offer wireless connectivity in different environments ...

Like the original AirPort Express Base Station, released in 2004, Apple’s latest version is a Wi-Fi access point compact enough (3.6 by 2.9 by 1.1 inches, 6.7 ounces) to fit in a laptop bag and ...

Illustration: Mick Wiggins What a difference a couple of years makes. In our first roundup of draft-802.11n Wi-Fi routers (see “Wireless Routers: The Truth About Superfast Draft-N“), we found so many ...

It has been widely reported that 802.11n, the wireless LAN IEEE draft standard that uses multiple input/multiple output technology to boost Wi-Fi speeds to over 100Mbps, is “backward compatible” with ...

Wi-Fi systems enable products from different manufacturers to work together. This is made possible by international open systems, which no one manufacturer owns. All gain a commercial benefit by ...

Dazzling users with specification sheets is nothing new: screen sizes, resolutions, megapixels, memory sizes and processor speeds are just a few, but one of the most neglected and important is WiFi ...