Siemens IEEE802.11 Tutorial page 14

IEEE802.11 Configurations
n
Independent
– one "Basic Service Set", BSS
– "Ad Hoc" network
– direct communication
– limited coverage area
n
Infrastructure
– Access Points and stations
– Distribution System interconnects
Multiple Cells via Access Points
to form a single Network.
• extends wireless coverage area
WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt
Station
AH2
Ad Hoc Network
Station
DISTRIBUTION SYSTEM
AP
A
Station
A1
Station
BSS-A
A2
Station
AH3
AH1
Server
AP
B
BSS-B
Station
B2
Station
B1
Page 14 © Siemens, 2002