TERMINAL FOR PERIODICALLY TRANSMITTING CSI FEEDBACK INFORMATION

摘要

Disclosed herein is a terminal including: receiving a precoded/beamformed CSI-RS from a base station, generating CSI feedback information including indicators such as RI, PTI, and BI (or CRI) and a first PMI and a second PMI that are elements of a double codebook, on the basis of the CSI-RS and transmits the CSI feedback information to the base station through an uplink subframe corresponding to predetermined feedback periodicity. Periodic CSI reporting using PUCCH according to the 3GPP TS 36.213 Release 13.