ARQ

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Automatic repeat-request
Automatic Repeat-reQuest (ARQ) is an error control method for data transmission which uses acknowledgments and timeouts to achieve reliable data transmission. An acknowledgment is a message sent by the receiver to the transmitter to indicate that it has correctly received a data frame. A timeout is a reasonable point in time after the sender sends the data frame; if the sender does not receive an acknowledgment before the timeout, it usually re-transmits the frame until it receives an acknowledgment or exceeds a predefined number of re-transmissions.
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Telecommunication Standard Terms DictionaryDownload this dictionary
ARQ
Abbreviation for automatic repeat-request. Error control for data transmission in which the receiver detects transmission errors in a message and automatically requests a retransmission from the transmitter. Note: Usually, when the transmitter receives the ARQ, the transmitter retransmits the message until it is either correctly received or the error persists beyond a predetermined number of retransmissions. (188 ) Synonyms error-detecting-and-feedback system, repeat-request system.
 
automatic repeat request (ARQ)
See ARQ.


FOLDOC DictionaryDownload this dictionary
ARQ

(c) Copyright 1993 by Denis Howe

Dizionario inglese-italiano 1.0.012Download this dictionary
ARQ
AUTOMATIC REPEAT REQUEST. ARQ

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