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1. (WO2017190969) MOBILE COMMUNICATION DEVICE WITH SUBSCRIBER IDENTITY MODULE

Pub. No.:    WO/2017/190969    International Application No.:    PCT/EP2017/059600
Publication Date: Fri Nov 10 00:59:59 CET 2017 International Filing Date: Tue Apr 25 01:59:59 CEST 2017
IPC: H04W 12/12
H04W 88/02
H04L 29/06
H04W 52/02
Applicants: GEMALTO M2M GMBH
GEMALTO SA
Inventors: BREUER, Volker
WEHMEIER, Lars
PAULIAC, Mireille
Title: MOBILE COMMUNICATION DEVICE WITH SUBSCRIBER IDENTITY MODULE
Abstract:
The present invention relates to amobile communication device for communicating with a cellular network by means of a serving base node, the mobile communication device further being connected to a subscriber identity module,the mobile communication device being configured to operate in a power optimization mode wherein the power optimization mode comprises extended paging periods,andthe mobile communication device is further configuredtoset up a communication context with the base node using authentication means of the subscriber identity module,wherein the mobile communication device is further configured, in case of detection of a removal of the subscriber identity moduleand when the power optimization mode is activated: -to send an removal alert message to the serving base node bymeans of said communication context, -afterwards to terminate the communication context.