| 摘要 |
A communication device for handling communication operations with a network comprising a storage unit and a processing means. The processing means is configured to execute instructions stored in the storage unit. The instructions comprise starting a first time alignment timer (TAT) for a pTAG comprising a PCell; starting a second TAT for a first sTAG comprising a PUCCH SCell; releasing PUCCH and SRS for all serving cell(s) of the first sTAG, when the second TAT expires and the first TAT does not expire; being configured a first SCell of the network which belongs to the pTAG or a second sTAG; being configured the first SCell which belongs to a secondary PUCCH group comprising the PUCCH SCell; and releasing PUCCH for the first SCell, when the second TAT expires and the first TAT does not expires. |
