WIRELESS LANs

WIRELESS LANs

ABSTRACT:

A wireless LAN is an on-premise data communication system that reduces the need for wired connections and makes new applications possible, thereby adding new flexibility to networking. Mobile WLAN users can access information and network resources as they attend meetings, collaborate with other users, or move to other campus locations. With wireless LANs, the network itself is movable. Wireless LANs have proven their effectiveness in vertical markets and are now experiencing broader applicability in a wide range of business settings.

A wireless local area network (WLAN) is a flexible data communications system that can use either infrared or radio frequency (RF) technology to transmit and receive information over the air, through walls, ceilings and even cement structures. A typical wireless LAN comprised of an access point and the wireless LAN adapter installed on the notebook. The Access Point is essentially the wireless equivalent of a LAN hub. An Access Point is typically connected with the wired backbone through a standard Ethernet cable, and communicates with wireless devices by means of an antenna.

Wireless LAN has increasingly became an important adjunct to the more traditional wired LANs, to satisfy the needs for mobility, relocation, ad hoc networking connectivity, and coverage of locations in accessible for wiring.

Wireless LANs have gained strong popularity in a number of vertical markets, including the health-care, retail, manufacturing, warehousing, and academia.Today wireless LANs are becoming more widely recognized as a general-purpose connectivity alternative for a broad range of business customers.

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