Network Card User Manual

WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt Page 14 © Siemens, 2002
Station
AH3
Station
Station
AH1
AH2
Ad Hoc Network
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
Station
Station Station
Station
A1
A2 B1
B2
BSS-A
BSS-B
A
AP
AP
B
Server
DISTRIBUTION SYSTEM