(12) International Application Status Report

Received at International Bureau: 18 October 2017 (18.10.2017)

Information valid as of: 12 March 2019 (12.03.2019)

Report generated on: 24 July 2019 (24.07.2019)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2019/06308604 April 2019 (04.04.2019) English (EN)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/EP2017/07469828 September 2017 (28.09.2017) English (EN)


(51) International Patent Classification:
H04W 36/00 (2009.01); H04W 76/04 (2009.01); H04W 92/20 (2009.01)

(71) Applicant(s):
NOKIA TECHNOLOGIES OY [FI/FI]; Karaportti 3 02610 Espoo (FI) (for all designated states)

(72) Inventor(s):
GODIN, Philippe; 20 rue de la Chaumiere 78000 Versailles (FR)
CASATI, Alessio; 34 Molesham way West Molesey Surrey KT8 1NT (GB)


(54) Title (EN): CONTEXT TRANSFER VIA LAST VISITED RAN NODE
(54) Title (FR): TRANSFERT DE CONTEXTE PAR L'INTERMÉDIAIRE DU DERNIER NŒUD RAN VISITÉ

(57) Abstract:
(EN): It is provided a method comprising monitoring if a new base station receives, from a terminal, location update information for the terminal, an anchor base station identifier, a context identifier, and at least one of a last visited cell identifier and a last visited base station identifier; checking if a first direct connection between the new base station and the anchor base station exists if the location update information and the anchor base station identifier are received; instructing the new base station to request the context from the anchor base station via the last visited base station if the first direct connection does not exist and the at least one of the last visited cell identifier and the last visited base station identifier is received; wherein the request for the context from the anchor base station comprises the anchor base station identifier and the context identifier.
(FR): L'invention concerne un procédé consistant à surveiller si une nouvelle station de base reçoit, en provenance d'un terminal, des informations de mise à jour de localisation pour le terminal, un identifiant de station de base d'ancrage, un identifiant de contexte et l'identifiant de la dernière cellule visitée et/ou l'identifiant de la dernière station de base visitée ; à vérifier si une première connexion directe entre la nouvelle station de base et la station de base d'ancrage existe si les informations de mise à jour de localisation et l'identifiant de station de base d'ancrage sont reçus ; à ordonner à la nouvelle station de base de demander le contexte à la station de base d'ancrage par l'intermédiaire de la dernière station de base visitée si la première connexion directe n'existe pas et que l'identifiant de la dernière cellule visitée et/ou l'identifiant de la dernière station de base visitée sont reçus ; la demande de contexte à la station de base d'ancrage comprenant l'identifiant de station de base d'ancrage et l'identifiant de contexte.

International search report:
Received at International Bureau: 27 November 2017 (27.11.2017) [EP]

International Report on Patentability (IPRP) Chapter II of the PCT:
Not available

(81) Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
European Patent Office (EPO) : AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
African Intellectual Property Organization (OAPI) : BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG
African Regional Intellectual Property Organization (ARIPO) : BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW
Eurasian Patent Organization (EAPO) : AM, AZ, BY, KG, KZ, RU, TJ, TM