WLAN Media Access Control
Uses CSMA/CA
- CA ? collision avoidance
- A station waits until another station is finished transmitting plus an additional random period of time before sending anything
May use two MAC techniques simultaneously
- Distributed Coordination Function (DCF)
- Also called “Physical Carrier Sense Method”
- Point Coordination Function (PCF)
- Also called “Virtual Carrier Sense Method”
- Optional: (can be set as “always”, “never”, or “just for certain frame sizes”