|
802.11 Protocol Architecture
FIGURE 2.30
Contention-Free Period Medium Access
FIGURE 2.31
Ending the Contention-Free Period and Starting the Contention Period
Error Control
Because of potential transmission impairments, such as RF interference
and collisions, bit errors can disrupt the transmission of frames. For
example, station A may send a Request-to-Send (RTS) frame and never
|
