Patent ID: 9591664
Date: 2017-03-07
CPC Classifications: H04B,H04J,H04L,H04W

Claim:
1. A method for obtaining control information by a relay node in a wireless communication system, the method comprising: receiving, by the relay node, search space configuration information for configuring a first search space for a downlink grant and configuring a second search space for an uplink grant in a data region of a subframe via a higher layer signaling; receiving, by the relay node, downlink standalone subframe information indicating which subframe is a downlink standalone subframe; and obtaining, by the relay node, the control information for the relay node by: wherein the second search space is configured as an invalid search space and a data channel is mapped to the invalid search space when the downlink standalone subframe information indicates that the subframe is the downlink standalone subframe.