Method for selecting a precoding matrix in a multiple input multiple output ("MIMO") system

A method is provided for selecting a precoding matrix to be used in an MIMO communication system. The MIMO communication system includes a transmitter, a receiver and a communication channel. The precoding matrix is used by the transmitter to precode codewords to be transmitted to the receiver over...

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Bibliographic Details
Main Authors PRIOTTI PAOLO, COLLOTTA IVANO SALVATORE, DELL'AERA GIAN MICHELE, MELIS BRUNO, MONDIN FABIO
Format Patent
LanguageEnglish
Published 26.08.2014
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:A method is provided for selecting a precoding matrix to be used in an MIMO communication system. The MIMO communication system includes a transmitter, a receiver and a communication channel. The precoding matrix is used by the transmitter to precode codewords to be transmitted to the receiver over the communication channel. At the receiver, an optimum precoding matrix within a codebook of precoding matrices is determined based on a metric related to the power of received signal layers. An indication is then fed back from the receiver to the transmitter to enable the transmitter to select the optimum precoding matrix from the codebook.
Bibliography:Application Number: US200913520028