Selecting between normal and virtual dual layer ack/nack

Details Selecting between normal and virtual dual layer ack/nack Selecting between normal and virtual dual layer ack/nack

H - Electricity

04

L

H04L 5/00 (2006.01)

Patent

CA 2729510

An allocation of downlink resources is received, which are monitored on l layers for data. A resource-specific bit (ACK/NACK) is generated for each of those resources. From a pattern of those resources is selected an algorithm from among a first algorithm that bundles them in a first mode and a second algorithm that bundles them in a second mode. The selected algorithm is used on the generated resource-specific bits that correspond to the downlink resources, bundled according to the selected mode, to generate l reply bits which are then transmitted. At the network side a NACK reply bit is received, based on a pattern of the allocated downlink resources, a first algorithm that bundles them in a first mode or a second algorithm that bundles them in a second mode is selected. A bundling window and layer combination are determined from the selected algorithm, which gives the resource for retransmitting the NACK' d data.

L'invention concerne un procédé qui comporte les étapes consistant à: recevoir une attribution de ressources de liaison descendante soumises à une surveillance de données sur 1 couches; produire un bit spécifique de ressources (ACK/NACK) pour chacune des ressources; à partir d'un motif desdites ressources, sélectionner un algorithme entre un premier algorithme qui les lie dans un premier mode et un second algorithme qui les lie dans un second mode; utiliser l'algorithme sélectionné sur les bits spécifiques de ressources produits qui correspondent aux ressources de liaison descendante liées selon le mode sélectionné, afin de produire 1 bits de réponse, qui sont ensuite transmis; recevoir, côté réseau, un bit de réponse NACK sur la base d'un motif des ressources de liaison descendante attribuées, et sélectionner un premier algorithme qui les lie dans un premier mode ou un second algorithme qui les lie dans un second mode; déterminer à partir de l'algorithme sélectionné une fenêtre de liaison et une combinaison de couches afin de fournir les ressources permettant de retransmettre les données ayant fait l'objet d'un NACK.

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