Patent ID: 9655137
Date: 2017-05-16
CPC Classifications: H04L,H04W

Claim:
1. A method for receiving a signal by a user equipment (UE) using time division duplex (TDD) in a wireless communication system, the method comprising: receiving, by the UE, uplink (UL) grant information on a first cell, the UL grant information scheduling a UL transmission on a second cell; transmitting, by the UE, UL data in a UL subframe on the second cell via a physical UL shared channel based on the UL grant information; and receiving, by the UE, hybrid automatic repeat and request acknowledgement (HARQ-ACK) information in a downlink (DL) subframe on the first cell, wherein the first cell and the second cell have different TDD UL-DL configurations, and wherein the DL subframe on the first cell is determined based on a TDD UL-DL configuration of the second cell.