(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 ...

Anyone developing wireless LAN (WLAN) systems knows the security problem created by the wired equivalency protocol (WEP). The bigger issue designers must wrestle with is how to solve the problems ...

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 ...