Patent ID: 9173205
Filing Date: 2015-10-27
Classification: H04L,H04W

Abstract:
1. A method for transmitting a downlink signal from a base station in a wireless communication system in which resource sets for channel measurement include a first resource sets for a non-zero transmission power region and a second resource sets for a zero transmission power region, the method comprising: transmitting resource information indicating the zero transmission power region to a User Equipment (UE); and performing downlink transmission to the UE based on the resource information, wherein the first resource sets for the non-zero transmission power region are defined according to a number of antenna ports configured for transmission of channel measurement reference signal, wherein the second resource sets for the zero transmission power region are defined according to a predetermined number of antenna ports, regardless of the number of antenna ports configured for transmission of the channel measurement reference signal, and wherein the predetermined number is greater than 1.