Patent ID: 8825794

Claim:
A method for a multicast broadcast service (MBS) transmitting device to transmit MBS to an MBS receiving device, the method comprising: establishing an MBS connection with the MBS receiving device through a connection establishment message; determining, using the connection establishment message, whether the MBS receiving device is set to immediately receive an MBS upon establishing the MBS connection; and determining an MBS reception start time based on whether the MBS receiving device is set to immediately receive an MBS upon establishing the MBS connection; wherein the MBS reception start time is a time following the establishment of the MBS connection if the MBS receiving device is set to immediately receive an MBS upon establishing the MBS connection; and wherein the MBS reception start time is a time following a receipt of an MBS report message if the MBS receiving device is not set to immediately receive an MBS upon establishing the MBS connection.