Control of data transmission based on harq in a wireless...

H - Electricity – 04 – L

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H04L 1/18 (2006.01)

Patent

CA 2713069

Techniques for controlling data transmission in a wireless communication system based on hybrid automatic re-transmission (HARQ) are described. In one design, a user equipment (UE) may determine the number of HARQ processes (Z) supported by the UE, e.g., based on the amount of resources available at the UE. The UE may send information indicative of the number of HARQ processes supported by the UE to a Node B. The UE may thereafter receive data from the Node B on up to Z HARQ processes. In one design, the UE may receive data for non-guaranteed bit rate (non-GBR) traffic on up to Z HARQ pro-cesses and may receive data for guaranteed bit rate (GBR) traffic on up to all HARQ processes available in the system. In another design, the UE may receive data for both GBR traffic and non-GBR traffic on up to Z HARQ processes.

Linvention concerne des techniques permettant de contrôler la transmission de données dans un système de communication sans fil sur la base dune retransmission automatique hybride (HARQ). Dans une réalisation, un équipement utilisateur (UE) peut déterminer le nombre de processus HARQ (Z) pris en charge par lUE, p. ex. en fonction de la quantité de ressources disponibles au sein de lUE. LUE peut envoyer des informations indiquant le nombre de processus HARQ pris en charge par lUE à un nud B. LUE peut ensuite recevoir des données du nud B sur Z processus HARQ maximum. Dans une réalisation, lUE peut recevoir des données pour un trafic à débit binaire non garanti (non-GBR) sur Z processus HARQ maximum et peut recevoir des données pour un trafic à débit binaire garanti (GBR) sur tous les processus HARQ disponibles dans le système. Dans une autre réalisation, lUE peut recevoir des données pour le trafic GBR et le trafic non-GBR sur Z processus HARQ maximum.

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