CSMA/CA + ACK in 802.11 Wireless LANs
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
- Station or access point sender listens for traffic
- If there is no traffic, can send if there has been no traffic for a specified amount of time
- If the specified amount of time has not been met, must wait for the specified amount of time. Can then send if the line is still clear