Thomas Kunz
Systems and Computer Engineering
165
802.11 Layers and Functions
nPLCP Physical Layer Convergence Protocol
–clear channel assessment signal (carrier sense)
nPMD Physical Medium Dependent
–modulation, coding
nPHY Management
–channel selection, MIB
nStation Management
–coordination of all management functions
nMAC
–access mechanisms, fragmentation, encryption
nMAC Management
–synchronization, roaming, MIB, power management
PMD
PLCP
MAC
LLC
MAC Management
PHY Management
PHY
DLC
Station Management