Patent ID: 9253799
Filing Date: 2016-02-02
CPC Classification: H04W

Claim Text:
1. A method for performing communication by a cellular base station in a wireless communication system, the method comprising: performing channel contention for occupying a channel of an unlicensed band; if the channel of the unlicensed band is occupied, transmitting a first message including information about a time period in which the channel of the unlicensed band is useable, to at least one first User Equipment (UE) that performs communication in the channel of the unlicensed band using a first communication scheme; and performing communication with a second UE using a second communication scheme different from the first communication scheme in the channel of the unlicensed band during a time period corresponding to the time period information; wherein the second communication scheme corresponds to a cellular communication scheme, and the first message is transmitted to the at least one first UE based on the first communication scheme.