Method for transceiving signal via interference measurement in wireless communication system with cooperative base stations, and apparatus therefor

摘要

Disclosed is a method for a first base station for transmitting a signal to a terminal in a wireless communication system. The method comprises the steps of: receiving, from a second base station, information related to a plurality of interference measurement resources; applying beamformings corresponding to the plurality of interference measurement resources; transmitting, to the terminal, information that downlink data signal does not get mapped in the plurality of interference measurement resources; and transmitting a downlink signal independent of the beamformings to the terminal from a resource domain which excludes the plurality of interference measurement resources.

主权项

1. A method for transmitting, by a first base station (BS), a data for a first user equipment (UE) served by the BS in a wireless communication system, the method comprising:
receiving information about a first interference measurement resource (IMR) and a second IMR from a second BS, wherein the first and the second IMRs do not overlap each other; transmitting a first dummy signal in the first IMR by applying a first beamforming and a second dummy signal in the second IMR by applying a second beamforming; receiving a first channel state information (CSI) report associated with the first dummy signal and a second CSI report associated with the second dummy signal from a second UE served by the second BS; selecting a beamforming with lower interference among the first and the second beamformings in consideration of the first and the second CSI reports; and transmitting the data for the first UE in a data transmission resource by applying the selected beamforming, wherein the data transmission resource does not overlap with both of the first and the second IMRs.