Patent ID: 9591667
Date: 2017-03-07
CPC Classifications: H04B,H04W

Claim:
1. A method for receiving random access (RA) signal by a base station in a wireless communication system, the method comprising: transmitting RA information to a mobile terminal, the RA information comprising information related to a number of reception beam forming patterns corresponding to one or more RA channels of the base station; receiving a RA signal through the reception beam forming patterns corresponding to a RA channel; and transmitting information related to a reception beam forming pattern and a transmission beam forming pattern with the highest signal strength, wherein the one or more RA channels is configured to different reception beam forming patterns; wherein the information related to the number of reception beam forming patterns corresponding to one or more RA channels of the base station comprises information indicating the number of reception beam forming patterns corresponding to one or more RA channels of the base station, or index information corresponding to the number of reception beam forming patterns corresponding to one or more RA channels of the base station, and wherein the information related to the number of reception beam forming patterns corresponding to one or more RA channels of the base station comprises information indicating the number of times the base station uses the identical reception beam forming pattern for each of the one or more RA channels.