Patent ID: 9264956
Filing Date: 2016-02-16
CPC Classification: H04L,H04W

Claim Text:
1. A handover method by mobile relay in a mobile communication system, the handover method comprising: receiving a handover command from a target base station (BS); transmitting a random access preamble to the target BS according to a backhaul link subframe pattern; and receiving a random access response from the target BS in response to transmission of the random access preamble according to the backhaul link subframe pattern, wherein information contained in the random access response is acquired on a physical downlink shared channel (PDSCH) indicated by downlink assignment information contained in information of a search space, and wherein information for mobile relay handover including the information of the search space for the mobile relay and the backhaul link subframe pattern for the mobile relay is shared by a plurality of BSs comprising the target BS, the plurality of BSs are located on a moving path of the mobile relay.