FIELD: radio engineering, communication.
SUBSTANCE: invention discloses in particular a method for transmitting by means of a terminal the channel state information (CSI) in the wireless communication system, comprising the following stages: subsampling the codebook for four antenna ports; and CSI feedback transmitting based on subsampled codebook. Also CSI comprises a rank indicator (RI), communicated with the reported precoding type indicator (PTI), and if RI is greater than 2, PTI is set equal to one.
EFFECT: throughput improvement.
14 cl, 14 tbl, 22 dwg
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