Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD AND APPARATUS FOR PROVIDING A SECURITY MECHANISM FOR A STEERING OF ROAMING PROCEDURE
Document Type and Number:
WIPO Patent Application WO/2024/065857
Kind Code:
A1
Abstract:
Methods and apparatus are disclosed for protecting information for a SoR procedure initiated by a user equipment (UE). A method comprises, creating at a UE, a first secured packet which is protected with one or more keys, wherein the first secured packet comprises enhanced steering of roaming (SoR) related information for triggering a SoR procedure; and sending from the UE to a first visited public land mobile network (VPLMN), a message comprising the first secured packet. Each of the one or more keys is a symmetric key, which is available for the UE and a home public land mobile network (HPLMN) of the UE before a primary authentication of an initial registration to the first VPLMN.

Inventors:
MAVUREDDI DHANASEKARAN RANGANATHAN (DE)
PING JING (CN)
KHARE SAURABH (IN)
Application Number:
PCT/CN2022/123667
Publication Date:
April 04, 2024
Filing Date:
September 30, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NOKIA SHANGHAI BELL CO LTD (CN)
NOKIA SOLUTIONS & NETWORKS OY (FI)
NOKIA TECHNOLOGIES OY (FI)
International Classes:
H04L27/00
Domestic Patent References:
WO2021223507A12021-11-11
WO2021089688A12021-05-14
WO2022035512A12022-02-17
Foreign References:
CN111937420A2020-11-13
Other References:
NOKIA, NOKIA SHANGHAI BELL: "Updates on steering of roaming call flow", 3GPP DRAFT; C1-186202_23122_SOR_CORRECTION, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. CT WG1, no. Vilnius (Lithuania); 20181015 - 20181019, 8 October 2018 (2018-10-08), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051571303
HUAWEI, HISILICON: "Acquiring user location information for SOR", 3GPP DRAFT; C1-196344_5GPROTOC16_23.122_USER LOCATION INFORMATION FOR SOR, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. CT WG1, no. Portoroz (Slovenia); 20191007 - 20191011, 30 September 2019 (2019-09-30), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051787963
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
Download PDF: