Patent · US Active

Method, apparatus and system for key derivation

US8019083B2 · kind B2 · utility

11Cited by

0References

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	Mar 28, 2011
Grant date	Sep 13, 2011
Priority date	—
Expiry date	Mar 28, 2031

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.