Utilizing harq for uplink grants received in wireless...

Details Utilizing harq for uplink grants received in wireless... Utilizing harq for uplink grants received in wireless...

H - Electricity

04

L

H04L 1/18 (2006.01)

Patent

CA 2731514

Systems and methodologies are described that facilitate utilizing hybrid automatic repeat/request (HARQ) in system access communications. A HARQ entity is provided that manages a plurality of HARQ processes, which can typically use new data indicators (NDI) to determine when received data is a new transmission or retransmission. For resource grants, the HARQ entity can determine whether the communication is a new transmission or retransmission based on the type of message that contains the grant. In addition, an address comprised within the message, a previous use of the HARQ process, and/or the like can further be utilized to determine whether the message is a new transmission or retransmission. Once determined, the HARQ entity can provide the message to the appropriate HARQ process along with the indication of new transmission or retransmission.

On décrit des systèmes et méthodologies qui facilitent lutilisation dune demande automatique de retransmission hybride (hybrid automatic repeat request, HARQ) dans les communications daccès au système. On prévoit une entité HARQ qui gère une pluralité de processus HARQ, pouvant typiquement utiliser des indicateurs de nouvelles données (NDI) pour déterminer les cas où les données reçues constituent une nouvelle transmission ou une retransmission. Pour les attributions de ressources, lentité HARQ peut déterminer si la communication est une nouvelle transmission ou une retransmission sur la base du type de message qui contient lattribution. De plus, une adresse incluse dans le message, une utilisation antérieure du processus HARQ et / ou des indications similaires peuvent être utilisées pour déterminer si le message est une nouvelle transmission ou une retransmission. Une fois ceci déterminé, lentité HARQ peut communiquer le message au processus HARQ approprié, accompagné de lindication qu'il sagit dune nouvelle transmission ou dune retransmission.

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