| 摘要 |
A method of handling uplink information under carrier aggregation for a MAC layer of a UE in a wireless communication system includes receiving uplink data from a higher layer of the UE, triggering a request for requesting UL-SCH resource on at least one of a plurality of component carriers according to whether a PUCCH resource is configured on the at least one of the plurality of component carriers in a current TTI when no UL-SCH resource is available for transmitting the uplink data in the current TTI, and instructing a lower layer of the UE to transmit the request on the at least one of the plurality of component carriers.
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