Patent ID: 9608699
Date: 2017-03-28
CPC Classifications: H04B,H04L

Claim:
1. A method for transmitting, by a user equipment (UE), channel state information (CSI) for a plurality of transmission points (TPs) configured to perform cooperative transmission for the UE in a wireless communication system, the method comprising: receiving configuration information for a first and a second CSI subframe sets and for interference measurement resource (IMR) from one of the plurality of TPs, wherein the IMR is not configured in the second CSI subframe set; calculating a channel quality indicator (CQI) value for the first CSI subframe set by using the IMR; transmitting only a CSI for the first CSI subframe set including the CQI value to the one of the plurality of TPs; and receiving, in response to the transmission of the CSI, re-configuration information for at least one of the first and the second CSI subframe sets and the IMR from the one of the plurality of TPs.