DATA PROCESSING METHOD, DATA TRANSMISSION METHOD, DATA RECEPTION METHOD, APPARATUS, CODEBOOK, COMPUTER PROGRAM PRODUCT, COMPUTER PROGRAM DISTRIBUTION MEDIUM

摘要

The invention is related to a data processing method comprising: selecting from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form: [ ⁢ 1 0 0.5 0.5 0.5 0 1 0.5 ⁢ ⅇ j ⁢ ⁢ 0 0.5 ⁢ ⅇ j ⁢ &pgr; 3 0.5 ⁢ ⅇ j ⁢ 2 ⁢ &pgr; 3 ⁢ ⁢ ⁢ ⁢ 0.5 0.5 0.5 0.5 ⁢ ⅇ j ⁢ ⁢ &pgr; 0.5 ⁢ ⅇ j ⁢ 4 ⁢ &pgr; 3 0.5 ⁢ ⅇ j ⁢ 5 ⁢ &pgr; 3 ] ; and informing the selected at least one codebook and weight to a transmitter for being used in transmission.