Method and arrangements in a telecommunication system

Details Method and arrangements in a telecommunication system Method and arrangements in a telecommunication system

H - Electricity

04

B

H04B 7/06 (2006.01)

Patent

CA 2692109

The present invention relates to a method and arrangements in a communication system for Multi User Multiple-Input-Multiple-Output (MU-MIMO) signaling via Multiple-Input-Multiple-Output (MIMO) antennas between a base station and one of a plurality of mobile terminals supporting both Single User and Multi User Multiple- Input-Multiple-Output (SU-MIMO and MU-MIMO) signaling modes. Switching between the modes is supported in the system and the modes have partly shared signaling. SU-MIMO mode signaling which is redundant, i.e. not needed, for MU-MIMO mode signaling is identified. Bits, i.e. data bits, of the identified redundant signaling is re-interpreted or re-defined to comprise signaling information associated with MU-MIMO mode. The signaling information associated with MU-MIMO mode is signaled to the mobile terminal by using the reinterpreted redundant bits.

La présente invention concerne un procédé et des agencements dans un système de communications pour la signalisation entrée multiple sortie multiple multiutilisateur (MU-MIMO) via des antennes MIMO entre une station de base et une parmi une pluralité de terminaux mobiles exécutant à la fois des modes de signalisation MIMO mono-utilisateur et multiutilisateur. La commutation entre les modes est exécutée dans le système et les modes ayant une signalisation partagée en partie. La signalisation en mode SU-MIMO qui est redondante, c'est-à-dire non requise, pour la signalisation en mode MU-MIMO est identifiée. Des bits, c'est-à-dire des bits de données, de la signalisation redondante identifiée sont réinterprétés ou redéfinis pour comprendre l'information de signalisation associée au mode MU-MIMO. L'information de signalisation associée au mode MU-MIMO est indiquée au terminal mobile au moyen des bits redondants réinterprétés.

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