Method, apparatus, device and network system for adding secondary serving cell
地域：
Shenzhen, Guangdong
摘要
The present invention provides a method for adding a secondary serving cell, an apparatus, a device, and a network system. The method includes: communicating, with each other to acquire a unified serial number of a random access preamble code, a unified serial number of a PRACH mask code, and a unified cell radio network temporary identifier of a terminal; scrambling the serial number of the random access preamble code and the serial number of the PRACH mask code, and then sending the serial number of the random access preamble code and the serial number of the PRACH mask code to the terminal; and determining, a time advance command TAC according to a random access request message that carries the random access preamble code, and sending the TAC to the terminal.
說明書
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An embodiment of the present invention still provides a network system, and the network system includes the terminal device, the secondary base station device, and the primary base station device provided in the foregoing embodiments.
意見反饋
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