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1. (WO2017016450) ULTRA DENSE NETWORK SECURITY ARCHITECTURE AND METHOD

Pub. No.:    WO/2017/016450    International Application No.:    PCT/CN2016/091053
Publication Date: Fri Feb 03 00:59:59 CET 2017 International Filing Date: Sat Jul 23 01:59:59 CEST 2016
IPC: H04W 12/02
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
Inventors: MUHANNA, Ahmad Shawky
WANG, Zhibi
WANG, Jiangsheng
Title: ULTRA DENSE NETWORK SECURITY ARCHITECTURE AND METHOD
Abstract:
A method for establishing a trust relationship in an ultra dense network is provided. The method comprises receiving, by a user equipment (UE), a reconfiguration request from a macrocell; deriving, by the UE, a user plane encryption key according to information in the reconfiguration request; transmitting, by the UE, a first user plane signaling message to a first microcell in a group of microcells when the UE is attached to the first microcell; and transmitting, by the UE, a second user plane signaling message to a second microcell in the group of microcells when the UE is attached to the second microcell, wherein the first user plane signaling message and the second user plane signaling message are both encrypted according to the user plane encryption key.