Wireless LAN – WLAN
BAT54-Rail/F..
Release
7.54
06/08
3.1
What is a Wireless LAN?
27
Interesting applications arise for the Wireless LAN from the LAN connection
of base stations:
D Connecting the Wireless LAN to an existing LAN
D Extending the coverage of a Wireless LAN
Additionally, the use of a base station enables a central administration of the
Wireless LAN.
Connection to an existing LAN
An infrastructure network is ideally suitable as an extension to existing wired
LANs. For extension of a LAN in areas, where a wiring is not possible or un-
economical, the infrastructure network represents an ideal alternative.
Larger extension by roaming function
The area, in which mobile stations can get in touch with a base station, is
called radio cell.
If the range of a radio cell is not sufficient any longer to serve all mobile sta-
tions of a wireless network, several base stations can be brought in action. It
is possible to change from a radio cell into another one without interruption
of the network connection. The transmission of roaming information and data
between the base stations is enabled by the wired LAN connection.
LAN
base station
Wireless LAN
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