Distributed virtual resource block allocation for ofdma

Details Distributed virtual resource block allocation for ofdma Distributed virtual resource block allocation for ofdma

H - Electricity

04

L

H04L 5/02 (2006.01) H04W 72/04 (2009.01) H04L 27/26 (2006.01)

Patent

CA 2712983

A mobile telecommunications system is described in which a base station allocates each mobile telephone a plurality of physical resource blocks by signalling data identifying a virtual resource block. The virtual resource block is mapped onto the plurality of physical resource blocks using stored mapping data. The mapping data is such that the mapped physical resource blocks are spaced over the operating bandwidth and all belong to the same resource block group subset. Application in OFDMA for the allocation of distributed virtual resource block (DVRB) to UEs and in particular to the mapping between the physical resource blocks and the DVRB.

L'invention concerne un système de télécommunication mobile dans lequel une station de base affecte à chaque téléphone mobile plusieurs blocs de ressources physiques par signalisation de données identifiant un bloc de ressources virtuelles. Ce bloc de ressources virtuelles est mappé sur plusieurs blocs de ressources physiques au moyen de données de mappage stockées. Ces données de mappage sont telles que les blocs de ressources physiques mappés sont espacés sur la largeur de bande d'exploitation et appartiennent tous au même sous-ensemble de groupe de blocs de ressources. L'invention concerne également l'application dans l'OFDMA de l'affectation de bloc distribué de ressources virtuelles (DVRB) aux dispositifs utilisateurs et, plus particulièrement, le mappage entre les blocs de ressources physiques et le DVRB.

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