Method and apparatus for allocating and signaling ack/nack...

Details Method and apparatus for allocating and signaling ack/nack... Method and apparatus for allocating and signaling ack/nack...

H - Electricity

04

B

H04B 7/26 (2006.01)

Patent

CA 2674652

A method and apparatus for allocating and signaling ACK/NACK resources in a wireless communication system are provided, in which a Node B determines to use ACK/NACK resources within a predetermined fixed-size first resource group for ACK/NACK transmission for non-persistently scheduled data channels, the ACK/NACK resources being implicitly mapped to SCCHs carrying scheduling information about the non-persistently scheduled data channels, and allocates ACK/NACK resources within a predetermined flexible-size second resource group for ACK/NACK transmission for persistently scheduled data channels and transmits resource indication information explicitly indicating the allocated ACK/NACK resources to at least one UE.

Cette invention concerne un procédé et un appareil permettant d'attribuer et de signaler des ressources ACK/NACK dans un système de communication sans fil, dans lequel un noeud B détermine l'utilisation de ressources ACK/NACK à l'intérieur d'un premier groupe de ressources d'une taille fixée prédéterminé pour la transmission ACK/NACK destinée à des voies de données programmées de manière non persistante, les ressources ACK/NACK étant implicitement mises en correspondance avec SCCH portant les informations de programmation concernant les voies de données programmées de manière non persistante, et il attribue les ressources ACK/NACK dans un second groupe de ressources de taille variable prédéterminé pour la transmission ACK/NACK destinée à des voies de données programmées de manière persistante et il transmet les informations d'indication de ressources indiquant explicitement les ressources ACK/NACK attribuées à au moins un équipement utilisateur (UE).

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