Patent ID: 9712293
Date: 2017-07-18
CPC Classifications: H04L,H04W

Claim:
1. A method performed by a network node in a radio communication system to obtain aperiodic downlink channel quality reporting from a User Equipment apparatus (UE), wherein the UE is set up to communicate with the network node utilizing a plurality of downlink component carriers and a plurality of uplink component carriers, the method comprising: signaling, in a downlink control channel to the UE, first information and second information, wherein the first information identifies an uplink component carrier selected from the plurality of uplink component carriers and is used for selecting a downlink component carrier from the plurality of downlink component carriers for the UE to generate a channel quality report, wherein the selecting is based on an association of the selected downlink component carrier with the uplink component carrier identified by the first information, and wherein the second information includes a positive channel quality report request; and receiving from the UE the channel quality report for the selected downlink component carrier associated with the uplink component carrier identified by the first information.