Dynamic allocation of radio resources

H - Electricity – 04 – W

Patent

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H04W 16/10 (2009.01)

Patent

CA 2559448

Radio resources are allocated to communication between a mobile station (40) and a base station (20). The available set of radio resources may comprise radio resources primarily assigned to a neighbouring cell if the 5 mobile station (40) experience an instantaneous low level of co-channel interference from such neighbouring cells. The existence of interference is preferably deduced from signal quality measurements of pilot signals. The allocation may concern uplink and/or downlink (54) communication. Devices (41) for performing the measurements are located in the mobile station (40), while devices for performing the evaluation (22), selection (23) and actual allocation (24) can be placed in different parts of the communications system- in the mobile station (40), in a base station (20) or In a core network node (70), or as a distributed means.

Selon l'invention, des ressources radio sont allouées pour permettre une communication entre une station mobile (40) et une station de base (20). L'ensemble des ressources radio disponibles peut comprendre des ressources radio affectées principalement à une cellule voisine, si la station mobile (40) est confrontée à un niveau faible instantané d'interférences dans la même voie provenant de ces cellules voisines. L'existence d'interférences est de préférence déduite de mesures de qualité de signaux pilotes. L'allocation peut concerner la communication par liaison montante et/ou descendante (54). Les dispositifs (41) servant à effectuer des mesures sont situés dans la station mobile (40), tandis que les dispositifs servant à réaliser l'évaluation (22), la sélection (23) et l'allocation actuelle (24), peuvent être placés dans différentes parties du système de communication - dans la station mobile (40), dans une station de base (20) ou dans un noeud de réseau central (70) - ou se présenter sous la forme de moyens distribués.

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