arq

ARQ is an acronym for Automatic Repeat-reQuest. It is an Error control method for data transmission in which the receiver detects transmission errors in a message and automatically requests a retransmission from the transmitter. 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. Few types of ARQ protocols are Stop-and-wait ARQ, Go-Back-N ARQ and Selective Repeat ARQ.

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address message
adjacent channel interference
advanced data communication control procedures
aerial insert
aeronautical emergency communications system plan
aiod leads
airborne radio relay
air ground worldwide communications system
alarm sensor
a law algorithm
allan variance

alphanumeric
alternate party
ambient noise level
amplitude distortion
analog decoding
angular misalignment loss
antenna blind cone
antenna effective area
antenna height above average terrain
antenna noise temperature
aperture to medium coupling loss

apparent power
area broadcast shift
arithmetic overflow
arithmetic shift
articulation score
artificial transmission line
associative storage
asynchronous communications system
asynchronous operation
atmospheric duct
attack time

arj
attenuation
attenuation constant
attenuator
attribute
audible ringing tone
audio response unit
audit (telecommunication)
audit trail
aurora
authenticator