Method and arrangements for signaling control information in...

Details Method and arrangements for signaling control information in... Method and arrangements for signaling control information in...

H - Electricity

04

B

H04B 7/04 (2006.01)

Patent

CA 2701914

The invention relates to devices and methods for signalling control information associated with transmission of data over a wireless channel. A second communication device receives (S2) data from a first communication device, wherein the data comprises an indication of recommended precoders and a recommendation of a first transmission rank to possibly use during transmission. The second communication device determines (S4) a second transmission rank to use for transmitting data, and transmits (S6) a confirmation message to the first communication device. The confirmation message comprises a confirmation that transmission of data from the second communication device is using at least parts of each recommended precoder associated with a frequency resource that falls within the transmission of data and an indicator of the second transmission rank to use.

L'invention porte sur des dispositifs et des procédés pour signaler des informations de commande associées à une transmission de données sur un canal sans fil. Un second dispositif de communication reçoit (S2) des données provenant d'un premier dispositif de communication, les données comprenant une indication de précodeurs recommandés et une recommandation d'un premier rang de transmission à utiliser possiblement durant une transmission. Le second dispositif de communication détermine (S4) un second rang de transmission à utiliser pour transmettre des données, et transmet (S6) un message de confirmation au premier dispositif de communication. Le message de confirmation comprend une confirmation du fait que la transmission de données provenant du second dispositif de communication utilise au moins des parties de chaque précodeur recommandé associé à une ressource de fréquence qui tombe dans la transmission de données et un indicateur du second rang de transmission à utiliser.

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