Patent ID: 9094849
Filing Date: 2015-07-28
Classification: H04L,H04W

Abstract:
1. A method of communicating data between a first base station, a second base station, and a mobile terminal, the method comprising: the first base station sending, to the second base station, a first message comprising a request to handle uplink transmissions from the mobile terminal; the first base station receiving, from the second base station, a second message indicating that the second base station accepts the request to handle uplink transmissions from the mobile terminal; the first base station sending, to the second base station, a third message comprising carrier information indicating one or more uplink carriers for receiving the uplink transmissions from the mobile terminal, said one or more uplink carriers being controlled by the second base station; and the first base station sending downlink transmissions to the mobile terminal, said downlink transmissions configuring the mobile terminal to send uplink transmissions on the one or more uplink carriers as indicated by the carrier information.