CSMA

E201247

CSMA (Carrier Sense Multiple Access) is a network protocol that helps devices share a communication medium by listening before transmitting to reduce data collisions.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (5)

Label Occurrences
CSMA/CD 4
CSMA/CA 3
ALOHA protocol 1

Statements (46)

Predicate Object
instanceOf medium access control protocol
network protocol
accessMethodType contention-based
appliesTo local area networks
wireless networks (via CSMA/CA)
assumption propagation delay is non-zero
stations can sense carrier on the medium
backoffBehavior may wait random time before retransmission
category random access protocol
collisionHandling collisions may still occur due to propagation delay
contrastedWith Time Division Multiple Access
surface form: TDMA

token passing
designGoal improve channel utilization compared to ALOHA
feature each station senses the channel before transmitting
probabilistic occurrence of collisions
transmission deferred if channel is busy
fullName CSMA self-linksurface differs
surface form: Carrier Sense Multiple Access
hasExtension CSMA self-linksurface differs
surface form: CSMA/CA

CSMA self-linksurface differs
surface form: CSMA/CD
hasVariant 1-persistent CSMA
non-persistent CSMA
p-persistent CSMA
influencedBy CSMA self-linksurface differs
surface form: ALOHA protocol
keyMechanism carrier sensing
listen before transmit
limitation cannot completely eliminate collisions
inefficient under very high load
performance affected by propagation delay
mediumType multiaccess channel
operatesOn broadcast channel
shared communication medium
originField computer networking
performanceDependsOn network load
propagation time relative to frame time
predecessorTo CSMA self-linksurface differs
surface form: CSMA/CA

CSMA self-linksurface differs
surface form: CSMA/CD
primaryGoal coordinate access to a shared medium
reduce data collisions
relatedTo Ethernet
Wi‑Fi
sensingAction detects whether the medium is idle or busy
usedFor sharing a common transmission channel among multiple stations
usedInLayer data link layer
usedInStandard IEEE 802.11
surface form: IEEE 802.11 (conceptually via CSMA/CA)

IEEE 802.3 Ethernet standard
surface form: IEEE 802.3
usedInSubLayer MAC sublayer

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

CSMA abbreviation CSMA
10BASE5 accessMethod CSMA
this entity surface form: CSMA/CD
LocalTalk uses CSMA
this entity surface form: CSMA/CA
CSMA fullName CSMA self-linksurface differs
this entity surface form: Carrier Sense Multiple Access
CSMA hasExtension CSMA self-linksurface differs
this entity surface form: CSMA/CD
CSMA hasExtension CSMA self-linksurface differs
this entity surface form: CSMA/CA
CSMA predecessorTo CSMA self-linksurface differs
this entity surface form: CSMA/CD
CSMA predecessorTo CSMA self-linksurface differs
this entity surface form: CSMA/CA
CSMA influencedBy CSMA self-linksurface differs
this entity surface form: ALOHA protocol
IEEE 802.4 token bus contrastWith CSMA
this entity surface form: CSMA/CD