Patent ID: 9560561
Date: 2017-01-31
CPC Classifications: H04B,H04W

Claim:
1. A method for handover in a user equipment (UE) of a wireless communication system, the method comprising: transmitting, to a first base station (BS), a first message for initiating channel measurement of at least one downlink (DL) beam for each of the first BS and a second BS; receiving, from the first BS, a second message in response to the first message; identifying, based on the second message, at least one of a DL beam and an uplink (UL) beam for each of the first BS and the second BS; transmitting, to the first BS, information for the at least one of the DL beam and the UL beam for each of the first BS and the second BS; and after a handover from the first BS to the second BS, communicating with the second BS based on at least one of the DL beam and the UL beam for the second BS.