FIELD: communication.
SUBSTANCE: invention relates to mobile communication system. Method includes receiving information about at least one Channel State Information Reference Signal (CSI-RS); performing channel estimation based on the information about at least one CSI-RS; receiving information about at least one feedback; and transmitting at least one feedback including channel estimation result using information about at least one feedback, wherein information about at least one feedback includes information about transmission timing and feedback mode for at least one feedback.
EFFECT: invention discloses method for transmitting feedback information by User Equipment (UE).
14 cl, 4 tbl, 18 dwg
