Carrier sense multiple access, MAC layer

1. How is carrier sensing used in multiple access?
2. Which wireless protocol uses Carrier Sense Multiple Access with Collision Avoidance in MAC layer in comparison with wired network?
3. How does Carrier Sense Multiple Access with Collision Avoidance CSMA CA work?
4. What are the two ways carrier sense is performed in CSMA CA?

How is carrier sensing used in multiple access?

Carrier Sense Multiple Access (CSMA) is a network protocol that listens to or senses network signals on the carrier/medium before transmitting any data. CSMA is implemented in Ethernet networks with more than one computer or network device attached to it. CSMA is part of the Media Access Control (MAC) protocol.

Which wireless protocol uses Carrier Sense Multiple Access with Collision Avoidance in MAC layer in comparison with wired network?

On a MAC layer protocol, CSMA/CA leverages a three-step carrier sense and transmission sequence. This approach helps to minimize the potential for collisions.

How does Carrier Sense Multiple Access with Collision Avoidance CSMA CA work?

Carrier-sense multiple access with collision avoidance (CSMA/CA) in computer networking, is a network multiple access method in which carrier sensing is used, but nodes attempt to avoid collisions by beginning transmission only after the channel is sensed to be "idle".

What are the two ways carrier sense is performed in CSMA CA?

Think of it like listening for a busy signal when you call someone on the phone. There are two ways that a carrier sense is performed: virtual carrier sense. physical carrier sense.