Global Patent Index - EP 3881573 A4

EP 3881573 A4 20220810 - COLLISION RESOLUTION BETWEEN A USER EQUIPMENT (UE)-INITIATED SIGNALING PROCEDURE AND PAGING FOR A CIRCUIT SWITCHED (CS) SERVICE

Title (en)

COLLISION RESOLUTION BETWEEN A USER EQUIPMENT (UE)-INITIATED SIGNALING PROCEDURE AND PAGING FOR A CIRCUIT SWITCHED (CS) SERVICE

Title (de)

KOLLISIONSAUFLÖSUNG ZWISCHEN EINEM VON EINEM BENUTZERGERÄT (UE) INITIIERTEN SIGNALISIERUNGSVERFAHREN UND FUNKRUF FÜR EINEN LEITUNGSVERMITTELTEN (CS) DIENST

Title (fr)

RÉSOLUTION DE COLLISION ENTRE UNE PROCÉDURE DE SIGNALISATION INITIÉE PAR UN ÉQUIPEMENT UTILISATEUR (UE) ET UNE RADIOMESSAGERIE POUR UN SERVICE À COMMUTATION DE CIRCUITS (CS)

Publication

EP 3881573 A4 20220810 (EN)

Application

EP 19884056 A 20191114

Priority

  • US 201862768693 P 20181116
  • US 2019061547 W 20191114

Abstract (en)

[origin: WO2020102587A1] Technology is disclosed for a user equipment (UE) operable for collision resolution between UE-initiated signals and paging for a mobile terminated (MT) circuit switched (CS) service from a Third Generation Partnership Project (3GPP) network. The UE can be configured to initiate a UE-initiated procedure, wherein the UE initiated procedure is one or more of a tracking area update (TAU) procedure, an international mobile subscriber identity (IMSI) detach procedure, or a routing area update (RAU) procedure. The UE can be configured to decode a CS page procedure from a target base station (BS) before the UE-initiated procedure is completed, wherein the CS page procedure is one or more of a CS service notification or a CS page request. The UE can be configured to complete the UE-initiated procedure prior to responding to the CS page procedure.

IPC 8 full level

H04W 8/02 (2009.01); H04W 60/06 (2009.01); H04W 68/02 (2009.01)

CPC (source: EP)

H04W 60/00 (2013.01); H04W 68/02 (2013.01); H04W 8/02 (2013.01); H04W 60/04 (2013.01); H04W 60/06 (2013.01); H04W 76/28 (2018.02)

Citation (search report)

  • [Y] US 2016212782 A1 20160721 - KO CHENG-HSIAO [TW], et al
  • [Y] "3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3 (Release 15)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 24.301, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. CT WG1, no. V15.4.0, 21 September 2018 (2018-09-21), pages 1 - 530, XP051487107
  • [A] CATT: "The collision handling of paging for CSFB procedure", 3GPP DRAFT; C1-091903, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, no. Sophia Antipolis (France); 20090427, 27 April 2009 (2009-04-27), XP050337484
  • [A] ALCATEL-LUCENT ET AL: "Paging for downlink signalling when the UE is in EMM-IDLE mode and collision case", vol. CT WG1, no. New Orleans; 20121112 - 20121116, 19 November 2012 (2012-11-19), XP050655646, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ct/WG1_mm-cc-sm_ex-CN1/TSGC1_81_NewOrleans/docs/> [retrieved on 20121119]
  • [XP] INTEL: "Collision between paging for CS fallback and UE initiated NAS procedures", vol. CT WG1, no. West Palm Beach (FL), USA; 20181126 - 20181130, 19 November 2018 (2018-11-19), XP051491804, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fct/WG1%5Fmm%2Dcc%2Dsm%5Fex%2DCN1/TSGC1%5F113%5FWestPalmBeach/Docs/C1%2D188323%2Ezip> [retrieved on 20181119]
  • [XP] INTEL: "Collision between paging for non-GPRS services and MS initiated PS NAS procedures", vol. CT WG1, no. West Palm Beach (FL), USA; 20181126 - 20181130, 19 November 2018 (2018-11-19), XP051491805, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fct/WG1%5Fmm%2Dcc%2Dsm%5Fex%2DCN1/TSGC1%5F113%5FWestPalmBeach/Docs/C1%2D188324%2Ezip> [retrieved on 20181119]
  • See also references of WO 2020102587A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2020102587 A1 20200522; CN 112956221 A 20210611; CN 112956221 B 20240322; EP 3881573 A1 20210922; EP 3881573 A4 20220810

DOCDB simple family (application)

US 2019061547 W 20191114; CN 201980042590 A 20191114; EP 19884056 A 20191114