| 摘要 |
The present invention is directed to a method, apparatus, system and computer program product for receiving a prioritized bit rate for a radio bearer, and setting a header element based at least on a relation of a measured data rate for the radio bearer and the prioritized bit rate for the radio bearer. A medium access control header element may be set based on the relation between the measured data rate and the prioritized bit rate for the corresponding radio bearer. A network element can derive information on the buffer status of the corresponding bearer, and lower-priority prioritized bit rate bearers. The medium access control header element may be set based on the amount of buffered data for radio bearers not included in the current transport block. The network element can derive information on the buffer status of non-prioritized bit rate bearers of priority lower than the transmitted ones.
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