Patent ID: 8625415

Claim:
A method, comprising: buffering data in a user equipment; and in response to an amount of buffered data exceeding a threshold value, triggering the generation of a buffer status report and the sending of the buffer status report to a network access node, where the threshold value is a function of the capacity of a currently allocated uplink data transmission resource and some certain amount of time; where the user equipment stores a plurality of buffer status report tables, where each of the plurality of buffer status report tables has a different maximum value and granularity; where each buffer status report table corresponds to a different maximum uplink data rate and comprises a plurality of entries each identified by an index and a buffer size indicating an amount of data that is buffered for uplink transmission, where the maximum uplink data rate and the maximum value of data buffered for uplink transmission is dependent upon at least the currently allocated uplink data transmission resource that comprises at least a number of uplink component carriers that are allocated for use; and identifying in uplink signaling to the network access node which one of the plurality of buffer status report tables is currently applicable to data buffered in the user equipment for uplink transmission.