Patent · US Active

Method, apparatus and system for key derivation

US9125116B2 · kind B2 · utility

0Cited by

8References

20Claims

0Family size

Assignee

Huawei Technologies Co., Ltd. · CN

Inventors

Min Huang · Shanghai, CN
Jing Chen · Shanghai, CN
Aiqin Zhang · Nanhu, CN
Xiaohan Liu · Nanhu, CN

Key dates

Filing date	Nov 2, 2012
Grant date	Sep 1, 2015
Priority date	—
Expiry date	Dec 25, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH04W76/27
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method, an apparatus and a system for key derivation are disclosed. The method includes the following steps: a target base station) receives multiple keys derived by a source base station, where the keys correspond to cells under control of the target base station; the target base station selects a key corresponding to the target cell after knowing a target cell that a user equipment (UE) wants to access. An apparatus for key derivation and a communications system are also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.