Patent ID: 8050292
Filing Date: 2011-11-01
Classification: H04W

Abstract:
1. A method used in a medium access control (MAC) layer of a wireless communications system for performing transmission and prioritization for packets of a radio link control (RLC) layer comprising a plurality of RLC entities coupled to a plurality of logical channel, the plurality of logical channel transferring packets between the RLC layer and the MAC layer, the method comprising: determining a size of a MAC protocol data unit (PDU) according to a grant provided by a communications layer lower than the MAC layer, the MAC PDU comprising a MAC PDU header and at least a MAC service data unit; selecting MAC control elements for use in the MAC PDU header; determining MAC sub-headers for use in the MAC PDU header according to the selected MAC control elements; determining a total transmission payload size according to a total size of the MAC control elements and a total size of the MAC sub-headers; and according to the total transmission payload size, a data volume provided by each of the plurality of RLC entities for transmission, and channel priority of the plurality of logical channels, allocating a transmission payload size for each of the plurality of RLC entities.