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Automatic repeat request

Automatic repeat request (ARQ), also known as automatic repeat query, is an error-control method for data transmission that uses acknowledgements (messages sent by the receiver indicating that it has correctly received a message) and timeouts (specified periods of time allowed to elapse before an acknowledgment is to be received). If the sender does not r…

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Automatic repeat request

Nodes31
Edges30
Triples2
Avg. degree1.94
Density0.064516
Components1

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Automatic repeat request

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see also · 1
Automatic repeat request → Hybrid

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Important terminology

arq data repeat uses protocols transmission also used reliable selective message acknowledgment sender communication channel acknowledgements automatic request number retransmissions

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
for telegramsinstance ofLDPC for FEC and selective repeat for ARQ.ARQ systems are widely used on shortwave radio to ensure reliable delivery of data0.80text
Automatic repeat requestsee alsoHybrid0.60section

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