Patent ID: 8380200
Filing Date: 2013-02-19
Classification: H04W

Abstract:
1. A method for a mobile station, said mobile station having a transmitter, a first receiver, and a second receiver, said method comprising: said mobile station using said transmitter and said first receiver to engage in a communication session via a serving base station, said serving base station using a first radio access technology; said mobile station transmitting through said transmitter a trial communication to said serving base station, wherein said serving base station transfers at least said trial communication for delivery to a target base station in response to receiving said trial communication, wherein said target base station transfers a trial response in response to receiving at least said trial communication; said mobile station receiving through said second receiver said trial response from said target base station, said target base station using a second radio access technology, wherein said trial response is a response to said trial communication; and after receiving said trial response, said mobile station transmitting through said transmitter a handover request to said serving base station, wherein said handover request is configured to request a handover of said communication session from said serving base station to said target base station.