Patent ID: 9480050
Filing Date: 2016-10-25
CPC Classification: H04L,H04W

Claim Text:
1. A method for performing a communication on a specific single secondary cell (SCell) in a wireless communication system supporting carrier aggregation (CA), the method comprising: receiving configuration information of multiple frequency zones constructing the specific single SCell, wherein a primary cell (PCell) is allocated to a licensed band and the specific single SCell is allocated to an unlicensed band, wherein the configuration information indicates one or more available frequency zones and zero or more unavailable frequency zones included in the multiple frequency zones, and wherein the one or more available frequency zones and the zero or more unavailable frequency zones are determined based on a frequency occupation of another system; and performing the communication on the specific single SCell, wherein the configuration information is applied only to a reference signal transmission for the communication, and wherein the reference signal transmission for the communication is dropped when a band of the reference signal transmission is overlapped with an unavailable frequency zone on the specific single SCell based on the configuration information.