| 主权项 |
1. A method comprising:
a) transmitting, by a base station to a wireless device, at least one control message configured to cause in said wireless device:
i) configuration of a plurality of cells comprising a primary cell and at least one secondary cell; andii) assignment of each of said at least one secondary cell to a cell group in 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; b) transmitting, by said base station to said wireless device over said primary cell group, a first message comprising a content descriptor and originating from an application server in a communication network, said content descriptor describing content residing on said application server; c) receiving, by said base station from said wireless device over said primary cell group, a second message addressed to said application server, said second message requesting said content; d) transmitting by said base station to said wireless device over said primary cell group:
i) a first plurality of content packets comprising a first portion of said content; andii) an activation command activating one or more secondary cells in said secondary cell group; and e) transmitting, by said base station to said wireless device over said primary cell group and said secondary cell group, a second plurality of content packets comprising a second portion of said content. |
