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US 2026/0075485 A1Published application
Radio base station and terminal
AssigneeNtt Docomo, Inc.
InventorTianyang MIN
Life of this patent
Estimating the term…
Abstract
A radio base station is provided that can change the security information of a secondary cell safely and surely, even when selective activation is applied. The radio base station includes a control unit that generates security information to be used in an addition/change procedure of a secondary cell, and a transmission unit that transmits the security information to another radio base station or a terminal, in which the transmission unit transmits the generated security information after executing the addition/change procedure.
Claims3
A radio base station comprising:
- a control unit that generates security information to be used in an addition/change procedure of a secondary cell;
- and
- a transmission unit that transmits the security information to another radio base station or a terminal,
- wherein the transmission unit transmits the generated security information after executing the addition/ change procedure.
1 more element
A terminal comprising:
- a control unit that controls an execution of an addition/change procedure of a secondary cell;
- and
- a reception unit that receives security information to be used in the addition/change procedure,
- wherein the control unit establishes security with a secondary node that forms the secondary cell using the security information after executing the addition/change procedure.
1 more element
Dependencies are inferred from the claim text.