CARRIER-SENSE MULTIPLE ACCESS/COLLISION AVOIDANCE

Communications Systems Glossary

Communications Systems — Multiple access — Carrier-sense multiple access — Carrier-sense multiple access/collision avoidance

 

 

 

 

 

 

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Information on Carrier-sense multiple access/collision avoidance

Carrier-sense multiple access/collision avoidance (CSMA/CA) is a refinement of carrier-sense mulitple access (CSMA) in which a station uses a collision avoidance (CA) technique to avoid collisions. Once a station detects that the shared channel is free, it waits a fixed time plus a random amount before transmitting. Used by the AppleTalk protocol.


Other topics in our resources on Communications Systems related to Carrier-sense multiple access/collision avoidance include: 
 
  • multiple access
  • frequency-division multiple access (FDMA)
  • time-division multiple access (TDMA)
  • code-division multiple access (CDMA)
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  • frequency hopping (FH)
  • carrier-sense multiple access (CSMA)
  • carrier-sense multiple access/collision detection (CSMA/CD)
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  • token ring
  • Collision detection (CD)
  • Collision avoidance (CA)

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