CODEBOOK DESIGN METHOD FOR MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM AND METHOD FOR USING THE CODEBOOK

CODEBOOK DESIGN METHOD FOR MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM AND METHOD FOR USING THE CODEBOOK

A codebook design method for a multiple input multiple output system and a method for using the codebook are provided to improve a data transfer rate by using an optimized codebook according to the channel environment, transmission ranks or the number of transmission ranks. A codebook is read out fr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIM, KI LI, CLERCKX BRUNO, KIM, SUNG JIN, MAZZARESE DAVID
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Beschreibung
Zusammenfassung:A codebook design method for a multiple input multiple output system and a method for using the codebook are provided to improve a data transfer rate by using an optimized codebook according to the channel environment, transmission ranks or the number of transmission ranks. A codebook is read out from a memory, and a codebook includes a codeword matrixes having 4x1 dimension. The transmitted data stream is precoded based on at least one codeword matrix among the codeword matrixes included in the codebook(S350).