Patent ID: 9432977
Filing Date: 2016-08-30
CPC Classification: H04B,H04L,H04W

Claim Text:
1. A method of transmitting aperiodic channel status information (CSI) at a user equipment (UE) through a physical uplink shared channel (PUSCH) in a wireless communication system, the method comprising: receiving radio resource control (RRC) configuration information about a plurality of component carrier sets for aperiodic CSI reporting, wherein at least one of the plurality of the component carrier sets includes two or more component carriers; receiving a physical downlink control channel (PDCCH) signal for scheduling the PUSCH, wherein the PDCCH signal includes a 2-bit value indicator, and a value of the 2-bit value indicator indicates only one of the plurality of component carrier sets for which aperiodic CSI reporting is triggered only for CSI feedback through the PUSCH scheduled by the PDCCH signal; and transmitting aperiodic CSI for the indicated one of the plurality of component carrier sets only through the PUSCH scheduled by the PDCCH signal.