Patent ID: 9124408
Filing Date: 2015-09-01
Classification: H04L,H04W

Abstract:
1. A method for transmitting control information by a user equipment (UE) in a carrier aggregation (CA)-based wireless communication system, the UE configured with a first cell and a second cell having different UL-DL subframe configurations, the second cell being set to one of uplink-downlink (UL-DL) configurations #0 to #6, the method comprising: receiving a downlink control information (DCI) having a DL DCI format comprising a downlink assignment index (DAI) field, for the second cell; and wherein subframe configurations according to the UL-DL configurations #0 to #6 are given as shown in the following table 1: where, D denotes a DL subframe, U denotes a UL subframe, and S denotes a special subframe.