Apparatus and method of handling simultaneous UTRAN radio resource control procedures which change the security configuration in a UMTS user equipment

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EP 1 475 978 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	02.07.2008 Bulletin 2008/27

(45)	Mention of the grant of the patent:
	09.08.2006 Bulletin 2006/32

(21)	Application number: 03252933.1

(22)	Date of filing: 12.05.2003

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International Patent Classification (IPC):

H04Q 7/32^(2006.01)

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Apparatus and method of handling simultaneous UTRAN radio resource control procedures which change the security configuration in a UMTS user equipment

Vorrichtung und Verfahren zum Bearbeiten von gleichzeitigen UTRAN Funkressourcenkontrollprozessen, die die Sicherheitskonfiguration ändern, in einem UMTS Teilnehmergerät

Dispositif et procédé pour la gestion de procédures UTRAN de contrôle de ressouces radio simultanées, capables de modifier la configuration de sécurité, dans un terminal utilisateur UMTS

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

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Priority:

07.05.2003 US 430867
07.05.2003 CA 2428300

(43)	Date of publication of application:
	10.11.2004 Bulletin 2004/46

(73)	Proprietor: Research in Motion Limited
	Waterloo, ON N2L 3W8 (CA)

(72)	Inventors:
	Funnell, Nicola M. Coleshill, Warwickshire B46 1BH (GB) Pedlar, David W. Solihull, West Midlands B91 3FB (GB) Harrison, Robert J. Hollywood, Birmingham B47 5QG (GB)

(74)	Representative: Hibbert, Juliet Jane Grace et al
	Kilburn & Strode 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)

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References cited: :

EP-A- 1 233 636

GB-A- 2 350 704

"Universal Mobile Telecommunications System (UMTS); Radio Ressource Control (RRC) protocol specification (3GPP TS 25.331 version 3.10.0 Release 1999)" ETSI TS 125 331 V3.10.0 (2002-03), pages 87-98,217-222, XP002257416

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).