With the recent adoption of new standards for high-rate wireless LANs, mobile users can realize levels of performance, throughput, and availability comparable to those of traditional wired Ethernet. As a result, WLANs are on the verge of becoming a mainstream connectivity solution for a broad range of business customers. The most critical issue slowing WLAN demand until now has been limited throughput. This paper describes the new IEEE 802.11b standard for wireless transmission at rates up to 11 Mbps, which promises to open new markets for WLANs. It describes 802.11 and 802.11b technology and discusses the key considerations for selecting a reliable, high- performance wireless LAN.
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