Patent ID: 9706593
Date: 2017-07-11
CPC Classifications: H04L,H04W

Claim:
1. A method for reporting buffer status, comprising: receiving a connectivity configuration on dual connectivities to a first base station and a second base station, the connectivity configuration indicates that a first connectivity of the dual connectivities is related to the first base station and a second connected of the dual connectivities is related to the second base station; receiving a bearer configuration, the bearer configuration indicates that a first bearer is associated with the first connectivity and a second bearer is associated with the second connectivity; identifying a change of a radio bearer, wherein the identifying the change of the radio bearer comprises receiving a reconfiguration information indicating that an association of the second radio bearer is changed from the second connectivity to the first connectivity; and triggering a buffer status report (BSR), if the association of the second radio bearer is changed from the second connectivity to the first connectivity.