Data transmission apparatus and method for an harq data...

Details Data transmission apparatus and method for an harq data... Data transmission apparatus and method for an harq data...

H - Electricity

04

L

H04L 1/00 (2006.01) H04L 1/18 (2006.01)

Patent

CA 2380008

Disclosed is an apparatus for transmitting a sequence of information bits and sequences of parity bits to a receiver in a transmitter of an HARQ transmission system. A turbo encoder receives a sequence of L information bits, and generates the sequence of information bits and M sequences of L parity bits for the information bits, wherein M is determined depending on a transmission code rate. A redundancy selector includes the sequence of information bits in an initial data block during initial transmission, and uniformly includes non-transmitted parity bits out of parity bits provided from each sequence of the parity bits in a retransmission data block upon every receipt of a retransmission request from the receiver.

L'invention concerne un appareil destiné à la transmission de séquences de bits d'information et de séquences de bits de parité vers un récepteur dans un transmetteur d'un système de transmission HARQ. Un codeur turbo reçoit une séquence L de bits d'information, et génère la séquence de bits d'information ainsi que des séquences M de bits de parité L pour les bits d'information, M étant déterminé en fonction d'un débit de codage de transmission. Un sélecteur de redondance comprend la séquence de bits d'information dans un bloc de données initial pendant la transmission initiale, et comprend de manière uniforme des bits de parité non transmis issus des bits de parité fournis par chaque séquence de bits de parité d'un bloc de retransmission lors de chaque réception d'une requête de retransmission par le récepteur.

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