Global Patent Index - EP 1938518 A4

EP 1938518 A4 20130814 - AN APPARATUS AND A METHOD FOR SERVICE CONTINUITY BETWEEN UMTS NETWORK AND WLAN NETWORK

Title (en)

AN APPARATUS AND A METHOD FOR SERVICE CONTINUITY BETWEEN UMTS NETWORK AND WLAN NETWORK

Title (de)

VORRICHTUNG UND VERFAHREN ZUR DIENSTKONTINUITÄT ZWISCHEN EINEM UMTS-NETZWERK UND EINEM WLAN-NETZWERK

Title (fr)

APPAREIL ET PROCEDE POUR UNE CONTINUITE DE SERVICE ENTRE UN RESEAU UMTS ET UN RESEAU LOCAL SANS FIL

Publication

EP 1938518 A4 20130814 (EN)

Application

EP 06783736 A 20060824

Priority

  • KR 2006003349 W 20060824
  • KR 20050078824 A 20050826
  • KR 20060080075 A 20060823

Abstract (en)

[origin: WO2007024115A1] Service continuity is provided between a 3GPP network and a non-3GPP network. When a mobile station having accepted service in the 3GPP network moves to the non-3GPP network or returns from the non-3GPP network to the 3GPP network, an interworking gateway is interworked with a GGSN through a universal tunnel using a packet data network, and accordingly a mobile subscriber may accept seamless service.

IPC 8 full level

H04W 36/00 (2009.01)

CPC (source: EP)

H04W 36/0011 (2013.01); H04W 36/1446 (2023.05); H04W 76/22 (2018.01); H04W 88/16 (2013.01)

Citation (search report)

  • [X] "3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 3GPP System Architecture Evolution: Report on Technical Options and Conclusions (Release 7)", 3GPP STANDARD; 3GPP TR 23.882, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, no. V0.3.0, 1 July 2005 (2005-07-01), pages 1 - 13, XP050364096
  • [XP] PANASONIC: "Inter Access System Mobility Management Aspects", 3GPP DRAFT; S2-052137, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Sophia; 20050831, 31 August 2005 (2005-08-31), XP050253576
  • [A] "3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 3GPP system to Wireless Local Area Network (WLAN) interworking; System description (Release 6)", 3GPP STANDARD; 3GPP TS 23.234, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, no. V6.5.0, 1 June 2005 (2005-06-01), pages 1 - 79, XP050363343
  • See references of WO 2007024115A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2007024115 A1 20070301; EP 1938518 A1 20080702; EP 1938518 A4 20130814

DOCDB simple family (application)

KR 2006003349 W 20060824; EP 06783736 A 20060824