138. AQA A Level SLR21 CSMA-CA and RTS-CTS
About this video
AQA Specification Reference
AS Level 3.9.2.3
A Level 4.9.2.3
This video provides an explanation of the wireless protocols: Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) with and without Request to Send/Clear to Send (RTS/CTS).
Key questions:
- What is the CSMA/CA protocol?
- What difference does it make by adding in RTS/CTS to the protocol?
00:00 CSMA/CA and RTS/CTS
00:10 Intro
00:15 Wireless communication
01:28 CSMA/CA with and without RTS/CTS
02:06 CSMA/CA without RTS/CTS
02:33 CSMA/CA with RTS/CTS
03:11 The hidden node problem
04:31 Key questions
04:44 Outro
Last updated: 30.10.25
