| 主权项 |
1. A method comprising:
a) transmitting, by a serving base station to a target base station, at least one first message in response to making a handover decision by said serving base station for a wireless device; b) receiving, by said serving base station from said target base station, at least one second message comprising a plurality of parameters of a plurality of cells for said wireless device, said plurality of parameters comprising:
i) configuration parameters of a primary cell and at least one secondary cell; andii) a cell group index for a secondary cell in said at least one secondary cell, said cell group index identifying one of a plurality of cell groups, said plurality of cell groups comprising:
(1) a primary cell group comprising a first subset of said plurality of cells, said first subset comprising said primary cell; and(2) a secondary cell group comprising a second subset of said at least one secondary cell; and c) transmitting, by said serving base station to said wireless device, a third message:
i) comprising said plurality of parameters; andii) configured to cause said wireless device to start a synchronization process with said target base station. |
