Automatic repeat request (ARQ), also known as automatic repeat query, is an error-control method for data transmission that uses acknowledgements (messages...

Hybrid automatic repeat request (hybrid ARQ or HARQ) is a combination of high-rate forward error correction (FEC) and automatic repeat request (ARQ) error-control...

automatic repeat request (ARQ), and is most notably used in the Internet. An alternate approach for error control is hybrid automatic repeat request (HARQ)...

Go-Back-N ARQ is a specific instance of the automatic repeat request (ARQ) protocol, in which the sending process continues to send a number of frames...

packets are received in the correct order. It is the simplest automatic repeat-request (ARQ) mechanism. A stop-and-wait ARQ sender sends one frame at...

Selective Repeat ARQ or Selective Reject ARQ is a specific instance of the automatic repeat request (ARQ) protocol used to manage sequence numbers and...

through a network, by lower-layer retransmission procedures (such as automatic repeat request), or via parallel processing paths within network equipment that...

level, use a number of mechanisms to provide that reliability. Automatic repeat request (ARQ) protocols have an important role for achieving reliability...

the sender to indicate it can send the next packet. In a simple automatic repeat request protocol (ARQ), the sender stops after every packet and waits for...

segments. This process may include automatic repeat-request (ARQ) mechanisms to detect missing segments and to request the source to re-transmit specific...

correct receipt by sending an ACK or NACK message to the sender. Automatic repeat request schemes may be used to retransmit lost or corrupted data. Flow...

the use of data retransmissions invoked by error detection and automatic repeat request (ARQ). Before a virtual circuit may be used, it must be established...

re-transmitted. This re-transmission process is known as ARQ (automatic repeat request). The problem with Stop-and-wait is that only one frame can be...

the same network medium. It can also provide flow control and automatic repeat request (ARQ) error management mechanisms. The LLC sublayer is primarily...

Retransmission of lost or corrupt packets due to transport layer automatic repeat request (ARQ), caused by bit errors or packet dropping in congested switches...

services that provide acknowledgment after successful delivery and automatic repeat request functions in case of missing or corrupted data. Asynchronous Transfer...

Interval (TTI), fast link adaptation and scheduling, and fast hybrid automatic repeat request (HARQ). Additional new features include the High Speed Downlink...

delay. In a VoIP connection, error-control techniques such as automatic repeat request (ARQ) are usually not feasible and the receiver should be able...

AMTOR operates in one of two modes: an error detection mode and an automatic repeat request (ARQ) mode. The AMTOR protocol utilizes a 7-bit code for each character...

Enhanced link adaptation and retransmission protocol (e.g. Hybrid Automatic Repeat Request (HARQ)). If needed, adaptation to regulatory rules specific to...

packet data to be detected. When either problem occurs, TCP uses automatic repeat request (ARQ) to ask the sender to re-send the lost or damaged packet....

decoding convention. Popular conventions include: Request that the codeword be resent – automatic repeat-request. Choose any random codeword from the set of...

Retransmission, essentially identical with automatic repeat request (ARQ), is the resending of packets which have been either damaged or lost. Retransmission...

point links. SITOR-A uses automatic repeat request (ARQ) to gain reliability. If the receiver detects an error, it requests a retransmission. SITOR-B...

Ethernet) are examples. The acknowledgement function is used in the automatic repeat request (ARQ) function. Acknowledgement frames are numbered in coordination...

rates will be used in noisy environments such as power lines. Automatic repeat request (ARQ) mechanisms: G.hn supports operation both with and without...

current physical state will help a channel allocation scheme or automatic repeat request (ARQ) strategy at the MAC layer in optimizing tradeoffs and achieving...

synchronization In the logical link control (LLC) sublayer: Error control (automatic repeat request, ARQ), in addition to ARQ provided by some transport-layer protocols...

mode communication and Frame synchronization Error detection and automatic repeat request (ARQ) Flow control Layer 6, the presentation layer: Source coding...

Avoidance, carrier-sense multiple access with collision detection, or automatic repeat request) to minimize the times that contention occurs, and to re-send data...