Patent ID: 9504029
Filing Date: 2016-11-22
CPC Classification: H04L,H04W

Claim Text:
1. A method for transmitting Uplink Control Information (UCI) by a User Equipment (UE) in a wireless communication system based on carrier aggregation, the method comprising: configuring a first cell group having a Primary Cell (PCell); configuring a second cell group having one or more Secondary Cells (SCells); receiving one or more data in the second cell group; and transmitting Hybrid Automatic Repeat reQuest (HARQ)-ACKnowledgment (ACK) information for the one or more data on a Physical Uplink Control Channel (PUCCH), wherein if the first cell group and the second cell group are managed by the same Base Station (BS), the HARQ-ACK information is transmitted in the PCell, and if the first cell group and the second cell group are managed by different BSs, the HARQ-ACK information is transmitted in the second cell group.