METHOD FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

摘要

The present invention relates to a wireless communication system. Particularly, the present invention relates to a method and a device for reporting channel state information, the method comprising the steps of: carrying out periodic reporting of a first channel state information item; and carrying out periodic reporting of a second channel state information item, wherein the period for reporting the first channel state information item is longer than the period for reporting the second channel state information item, and the second channel state information item is determined on the basis of the first channel state information item.