Describe CSMA/CA.

What will be an ideal response?


CSMA/CA stands for Carrier Sense Multiple Access with Collision Avoidance. This method differs from CSMA/CD in that the wireless transceiver cannot listen to the network for other transmissions while it is transmitting. Its transmitter simply drowns out any other signal that may be present. Instead, stations attempt to avoid collisions by using random backoff delays to delay transmission when the network is busy (when some other station is transmitting). A handshaking sequence is used between communicating stations (ready and acknowledge packets) to help maintain reliable delivery of messages over the air.

Computer Science & Information Technology

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