Patent ID: 9380503
Filing Date: 2016-06-28
CPC Classification: H04W

Claim Text:
1. A method in a target base station for handover of a mobile station, the method comprising: receiving a handover indication from a source base station that is connected with the mobile station, the handover indication including a random access channel preamble, the random access channel preamble comprising a temporary mobile equipment identifier; receiving the random access channel preamble from the mobile station; in response to receiving the random access channel preamble from the mobile station, generating a timing advance message, the timing advance message being addressed by the random access channel preamble and a source base station identifier; sending the timing advance message to the mobile station via a wireless link between the target base station and the mobile station prior to sending an uplink allocation message; and switching the connection with the mobile station from the source base station to the target base station.