METHOD AND APPARATUS FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM

摘要

One embodiment of the present invention provides a method for reporting channel state information (CSI) of a terminal in a wireless communication system, comprising the steps of: receiving a downlink signal comprising an uplink grant; when a CSI request field contained in the downlink signal triggers a CSI report, deriving a CQI value on the basis of a PDSCH transmission block in a CSI reference resource; and carrying out a CSI report including the CQI value in subframe n, wherein the CSI reference resource is the last subframe that is not later than a subframe which is four subframes before subframe n.

主权项

1. A method for performing Channel State Information (CSI) reporting by a User Equipment (UE) in a wireless communication system, the method comprising:
receiving a downlink signal including an uplink grant; deriving a Channel Quality Indicator (CQI) value based on a Physical Downlink Shared Channel (PDSCH) transport block in a CSI reference resource when a CSI request field included in the downlink signal triggers CSI reporting; and performing CSI reporting including the CQI value in a subframe n, wherein the CSI reference resource is a last valid subframe among subframes which precede the subframe n by 4 subframes.