Method and device for replacement of main cell
A technology of primary cell and cell, applied in the field of communication, can solve the problems that there is no effective solution for the LTE-A system, and the handover process of the LTE system cannot be directly applied.
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[0029] In the embodiment of the present invention, when the UE receives the primary cell replacement command, it deletes the configuration information of the source secondary cell and retains the configuration information of the source primary cell. The configuration information of the source primary cell is not deleted immediately, and then when the primary cell replacement command is executed, The configuration information of the reserved primary cell is updated according to the configuration information of the target primary cell carried in the primary cell replacement command, and the primary cell is changed from the source primary cell to the target primary cell, thus realizing the replacement of the primary cell in the LTE-A system.
[0030] See figure 1 In this embodiment, the communication system includes a base station and a UE. The base station can be an eNB or a NodeB.
[0031] The base station is used to generate a primary cell replacement command including the configur...
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