IP Library › Granted Patent US 12,231,876
Granted Patent B2
US 12,231,876 · App. 17/266,295 · Granted Feb 18, 2025

Method and apparatus for security realization of connections over heterogeneous access networks

Inventor: Jennifer Liu (Plano, TX)
Assignee: NOKIA TECHNOLOGIES OY
H04W12/037H04W8/02H04W12/06H04W12/086H04W12/60H04W60/00H04W76/11H04W88/06
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,231,876
App. No.
17/266,295
Granted
Feb 18, 2025
Kind
B2
Abstract

This application relates to session establishment by user equipment over a plurality of heterogenous access networks. In one aspect, the heterogenous access networks may include 3GPP and non-3GPP access networks ( 106 ). The non-3GPP access networks ( 106 ) may include one or more non-3GPP trusted access networks ( 108 ) or one or non-3GPP, non-trusted access networks ( 110 ).

Claims (88)

1. A user equipment (UE) comprising:

at least one processor; and

at least one memory storing instructions thereon that, when executed by the at least one processor, cause the UE to perform at least:

determining a subscription permanent identifier (SUPI) format of a SUPI from among a plurality of SUPI formats, the plurality of SUPI formats comprising an international mobile subscriber identity (IMSI) type and a network specific identifier (NSI) type;

constructing a subscription concealed identifier (SUCI) operable to be used to identify the UE during communication with a core network via a selected type of access network, the selected type of access network being a third-generation partnership project (3GPP) access network type or a non-3GPP access network type, the SUCI including at least:

a SUPI format value corresponding to the SUPI format of the SUPI,

a home network identifier associated with a home network of the UE, a home network identifier format of the home network identifier being dependent upon the SUPI format of the SUPI,

a routing indicator associated with the home network of the UE,

a protection scheme identifier corresponding to a protection scheme of a plurality of protection schemes,

a home network public key identifier associated with a public key generated by the home network of the UE, and

a scheme output, the scheme output being determined from the SUPI using the protection scheme, wherein a scheme output format of the scheme output is dependent on the protection scheme;

in an instance in which the SUPI format of the SUPI is the IMSI type, setting the SUPI format value to a first value to indicate the SUPI format of the SUPI is the IMSI type;

in an instance in which the SUPI format of the SUPI is the NSI type, setting the SUPI format value to a second value to indicate the SUPI format of the SUPI is the NSI type; and

communicating with a network node of the core network via the selected type of access network using the SUCI.

2. The UE of claim 1 , wherein the SUCI is transmitted to the network node of the core network as a mobile identity parameter with a type of identity field indicating a SUCI identity type.

3. The UE of claim 2 , wherein the mobile identity parameter comprises a fifth-generation system (5GS) mobile identity parameter.

4. The UE of claim 3 , wherein the SUPI format value of the SUCI is encoded in a SUPI format field of the 5GS mobile identity parameter.

5. The UE of claim 1 , wherein the selected access network comprises one of: a trusted non-3GPP access network or an untrusted non-3GPP access network.

6. The UE of claim 5 , wherein the selected access network comprises an untrusted non-3GPP access network.

7. The UE of claim 1 , wherein the core network comprises a fifth-generation core network (5GCN).

8. The UE of claim 1 , wherein the SUPI comprises a network specific indicator (NAI) indicating that the SUPI format of the SUPI is the NSI type.

9. A network node comprising:

at least one processor; and

at least one memory storing instructions thereon that, when executed by the at least one processor, cause the network node to perform at least:

receiving, from a user equipment (UE), via a selected type of access network, a subscription concealed identifier (SUCI), the selected type of access network being a third-generation partnership project (3GPP) access network type or a non-3GPP access network type, the SUCI including at least:

a subscription permanent identifier (SUPI) format value corresponding to a SUPI format of a SUPI, the SUPI format being one of a plurality of SUPI formats, the plurality of SUPI formats comprising an international mobile subscriber identity (IMSI) type and a network specific identifier (NSI) type,

a home network identifier associated with a home network of the UE, a home network identifier format of the home network identifier being dependent upon the SUPI format of the SUPI,

a routing indicator associated with the home network of the UE,

a protection scheme identifier corresponding to a protection scheme of a plurality of protection schemes,

a home network public key identifier associated with a public key generated by the home network of the UE, and

a scheme output, the scheme output being determined from the SUPI using the protection scheme, wherein a scheme output format of the scheme output is dependent on the protection scheme;

determining, based on the SUPI format value being set to a first value, that the SUPI format of the SUPI is the IMSI type;

determining, based on the SUPI format value being set to a second value, that the SUPI format of the SUPI is the NSI type; and

identifying the UE, during communication with the UE via the selected type of access network, based at least on the SUCI.

10. The network node of claim 9 , wherein the SUCI is received by the network node as a mobile identity parameter with a type of identity field indicating a SUCI identity type.

11. The network node of claim 10 , wherein the mobile identity parameter comprises a fifth-generation system (5GS) mobile identity parameter.

12. The network node of claim 11 , wherein the SUCI format value of the SUCI is encoded in a SUPI format field of the 5GS mobile identity parameter.

13. The network node of claim 9 , wherein the selected access network comprises one of: a trusted non-3GPP access network or an untrusted non-3GPP access network.

14. The network node of claim 13 , wherein the selected access network comprises an untrusted non-3GPP access network.

15. The network node of claim 9 , wherein the core network comprises a fifth-generation core network (5GCN).

16. The network node of claim 9 , wherein the SUPI comprises a network specific indicator (NAI) indicating that the SUPI format of the SUPI is the NSI type.

17. The apparatus of claim 9 , wherein the SUCI is constructed in a network access identifier (NAI) format.

18. A method comprising:

determining a subscription permanent identifier (SUPI) format of a SUPI from among a plurality of SUPI formats, the SUPI being associated with a user equipment (UE), the plurality of SUPI formats comprising an international mobile subscriber identity (IMSI) type and a network specific identifier (NSI) type;

constructing, at the UE, a subscription concealed identifier (SUCI) operable to be used to identify the UE user equipment during communication with a core network via a selected type of access network, the selected type of access network being a third-generation partnership project (3GPP) access network type or a non-3GPP access network type, the SUCI including at least:

a SUPI format value corresponding to a SUPI format of the SUPI,

a home network identifier associated with a home network of the UE, a home network identifier format of the home network identifier being dependent upon the SUPI format of the SUPI,

a routing indicator associated with the home network of the UE,

a protection scheme identifier corresponding to a protection scheme of a plurality of protection schemes,

a home network public key identifier associated with a public key generated by the home network of the UE, and

a scheme output, the scheme output being determined from the SUPI using the protection scheme, wherein a scheme output format of the scheme output is dependent on the protection scheme;

in an instance in which the SUPI format of the SUPI is the IMSI type, setting the SUPI format value to a first value to indicate the SUPI format of the SUPI is the IMSI type;

in an instance in which the SUPI format of the SUPI is the NSI type, setting the SUPI format value to a second value to indicate the SUPI format of the SUPI is the NSI type; and

communicating with a network node of the core network via the selected type of access network using the SUCI.

19. A method comprising:

receiving, from a user equipment (UE), via a selected type of access network, a subscription concealed identifier (SUCI), the selected type of access network being a third-generation partnership project (3GPP) access network type or a non-3GPP access network type, the SUCI including at least:

a subscription permanent identifier (SUPI) format value corresponding to a SUPI format of a SUPI, the SUPI format being one of a plurality of SUPI formats, the plurality of SUPI formats comprising an international mobile subscriber identity (IMSI) type and a network specific identifier (NSI) type,

a home network identifier associated with a home network of the UE, a home network identifier format of the home network identifier being dependent upon the SUPI format of the SUPI,

a routing indicator associated with the home network of the UE,

a protection scheme identifier corresponding to a protection scheme of a plurality of protection schemes,

a home network public key identifier associated with a public key generated by the home network of the UE, and

a scheme output, the scheme output being determined from the SUPI using the protection scheme, wherein a scheme output format of the scheme output is dependent on the protection scheme;

determining, based on the SUPI format value in the SUCI being set to a first value, that the SUPI format of the SUPI is the IMSI type;

determining, based on the SUPI format value in the SUCI being set to a second value, that the SUPI format of the SUPI is the NSI type; and

identifying the UE, during communication with the UE via the selected type of access network, based at least on the SUCI.

20. A non-transitory computer readable storage medium having instructions embodied thereon that, when executed by one or more processors of a user equipment (UE), cause the UE to perform at least the following:

determining a subscription permanent identifier (SUPI) format of a SUPI from among a plurality of SUPI formats, the SUPI being associated with the UE, the plurality of SUPI formats comprising an international mobile subscriber identity (IMSI) type and a network specific identifier (NSI) type;

constructing, using the UE, a subscription concealed identifier (SUCI) operable to be used to identify the UE during communication with a core network via a selected type of access network, the selected type of access network being a third-generation partnership project (3GPP) access network type or a non-3GPP access network type, the SUCI being calculated at least based on the SUPI and the SUPI format of the SUPI, the SUCI including at least:

a SUPI format value corresponding to a SUPI format of the SUPI,

a home network identifier associated with a home network of the UE, a home network identifier format of the home network identifier being dependent upon the SUPI format of the SUPI,

a routing indicator associated with the home network of the UE,

a protection scheme identifier corresponding to a protection scheme of a plurality of protection schemes,

a home network public key identifier associated with a public key generated by the home network of the UE, and

a scheme output, the scheme output being determined from the SUPI using the protection scheme, wherein a scheme output format of the scheme output is dependent on the protection scheme;

in an instance in which the SUPI format of the SUPI is the IMSI type, setting the SUPI format value to a first value to indicate the SUPI format of the SUPI is the IMSI type;

in an instance in which the SUPI format of the SUPI is the NSI type, setting the SUPI format value to a second value to indicate the SUPI format of the SUPI is the NSI type; and

communicating with a network node of the core network via the selected type of access network using the SUCI.

21. A non-transitory computer readable storage medium having instructions embodied thereon that, when executed by one or more processors of an apparatus, cause the apparatus to perform at least the following:

receiving, from a user equipment (UE), via a selected type of access network, a subscription concealed identifier (SUCI), the selected type of access network being a third-generation partnership project (3GPP) access network type or a non-3GPP access network type, the SUCI including at least:

a subscription permanent identifier (SUPI) format value corresponding to a SUPI format of a SUPI, the SUPI format being one of a plurality of SUPI formats, the plurality of SUPI formats comprising an international mobile subscriber identity (IMSI) type and a network specific identifier (NSI) type,

a home network identifier associated with a home network of the UE, a home network identifier format of the home network identifier being dependent upon the SUPI format of the SUPI,

a routing indicator associated with the home network of the UE,

a protection scheme identifier corresponding to a protection scheme of a plurality of protection schemes,

a home network public key identifier associated with a public key generated by the home network of the UE, and

a scheme output, the scheme output being determined from the SUPI using the protection scheme, wherein a scheme output format of the scheme output is dependent on the protection scheme;

determining, based on the SUPI format value in the SUCI being set to a first value, that the SUPI format of the SUPI is the IMSI type;

determining, based on the SUPI format value in the SUCI being set to a second value, that the SUPI format of the SUPI is the NSI type; and

identifying the UE, during communication with the UE via the selected type of access network, based at least on the SUCI.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 22, 2021
From: LIU, JENNIFER
To: NOKIA TECHNOLOGIES OY
Reel/Frame 055351/0567 →
Continuity (2)
Provisional Application 62716887 · Aug 9, 2018
Related Publication 20210306849A1 · Sep 30, 2021
References Cited (115)
US 20100203888A1 · Gunaratnam et al. · 2010 [cited by applicant]
US 20160105780A1 · Hooker et al. · 2016 [cited by applicant]
US 20170048702A1 · Barrett et al. · 2017 [cited by applicant]
US 20180020417A1 · Catovic et al. · 2018 [cited by applicant]
US 20180027414A1 · Li et al. · 2018 [cited by applicant]
US 20180220364A1 · Li et al. · 2018 [cited by applicant]
US 20190021064A1 · Ryu et al. · 2019 [cited by applicant]
US 20190253885A1 · Bykampadi · 2019 [cited by examiner]
US 20190364428A1 · Torvinen · 2019 [cited by examiner]
US 20200068391A1 · Liu · 2020 [cited by examiner]
US 20200296660A1 · Wang · 2020 [cited by examiner]
US 20200344601A1 · Baskaran · 2020 [cited by examiner]
US 20200359195A1 · Nakarmi · 2020 [cited by examiner]
US 20210092603A1 · Yang · 2021 [cited by examiner]
US 20210153010A1 · Torvinen · 2021 [cited by examiner]
US 20210195409A1 · Zhang · 2021 [cited by examiner]
US 20210314857A1 · Wang · 2021 [cited by examiner]
US 20210368345A1 · Nakarmi · 2021 [cited by examiner]
US 20220174480A1 · Baskaran · 2022 [cited by examiner]
US 20220272534A1 · Torvinen · 2022 [cited by examiner]
US 20230164559A1 · Yang · 2023 [cited by examiner]
CN 107683591A · 2018 [cited by applicant]
CN 107925879A · 2018 [cited by applicant]
EP 4093093A1 · 2022 [cited by applicant]
KR 20060130429A · 2006 [cited by applicant]
KR 1020170132273A · 2017 [cited by applicant]
KR 1020180022565A · 2018 [cited by applicant]
KR 1020180057665A · 2018 [cited by applicant]
WO WO2018008944A1 · 2018 [cited by applicant]
WO WO2018197601A1 · 2018 [cited by applicant]
WO WO2018208949A1 · 2018 [cited by applicant]
WO WO2019098496A1 · 2019 [cited by applicant]
WO WO2019139033A1 · 2019 [cited by applicant]
Ericsson, “SUCI—Readiness to Protection Schemes Update in Future”, 3GPP TSG-SA WG3 Meeting #91, Belgrade, Serbia, Apr. 16, 2018, pp. 1-3, S3-181393, 3GPP (Year: 2018). [cited by examiner]
BlackBerry UK Ltd., Increment the “Registration Attempt Counter”, 3GPP TSG-CT WG1 Meeting #111, C1-183739, (May 21-25, 2018), 5 pages. [cited by applicant]
LG Electronics, “TS 23.501 P-CR Update to Registration Management”, SA WG2 Meeting #120, S2-172411, (Mar. 27-31, 2017), 4 pages. [cited by applicant]
Nokia et al., “Initial Registration Not Accepted Due to Serving Network Not Authorized”, 3GPP TSG-CT WG1 Meeting #112, Change Request 0301, C1-185268, (Aug. 20-24, 2018), 6 pages. [cited by applicant]
Nokia et al., “Non-3GPP Access to 5GCN Not Allowed”, 3GPP TSG-CT WG1 Meeting #111bis, Change Request 0080, C1-184875, (Jul. 9-13, 2018), 3 pages. [cited by applicant]
Notice of Allowance for Chilean Application No. 2021-000335 dated Sep. 15, 2022, 2 pages. [cited by applicant]
Office Action for ARIPO Application No. AP/P/2021/012934 dated Oct. 25, 2022, 6 pages. [cited by applicant]
Office Action for Australian Application No. 2019319095 dated May 20, 2022, 4 pages. [cited by applicant]
Office Action for Chilean Application No. 202100337 dated Aug. 16, 2022, 18 pages. [cited by applicant]
Office Action for Chilean Application No. 202100337 dated May 4, 2022, 18 pages. [cited by applicant]
Office Action for Korean Application No. 10-2021-7004962 dated Oct. 28, 2022, 10 pages. [cited by applicant]
Office Action for Singapore Application No. 11202100720P dated Nov. 2, 2022, 13 pages. [cited by applicant]
Partial Supplementary European Search Report for European Application No. 19846960.3 dated Aug. 10, 2022, 22 pages. [cited by applicant]
Qualcomm Incorporated, “TS 23.501: De-Registration Procedure for the UE”, SA WG2 Meeting #S2-122, S2-174449, (Jun. 26-30, 2017), 4 pages. [cited by applicant]
Office Action for Australian Application No. 2019319095 dated Oct. 27, 2021, 8 pages. [cited by applicant]
Office Action for Korean Application No. 10-2021-7004763 dated Oct. 28, 2021, 3 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Procedures for the 5G System; Stage 2 (Release 15)”, 3GPP TS 23.502 v15.2.0, (Jun. 2018), 308 pages. [cited by applicant]
Office Action for Algerian Application No. DZ/P/2021/000051 dated Jan. 20, 2022, 2 pages. [cited by applicant]
Office Action for Canadian Application No. 3,106,505 dated Feb. 25, 2022, 4 pages. [cited by applicant]
First Examination Report for Indian Application No. 202127009623 dated Feb. 23, 2022, 10 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Non-Access-Stratum (NAS) Protocol for 5G Systems (5GS); Stage 3 (Release 15)”, 3GPP TS 24.501 v15.0.0 (Jun. 2018), 338 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Numbering, addressing and identification (Release 15)”, 3GPP TS 23.003 v15.4.0 (Jun. 2018), 120 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; NR and NG-RAN Overall Description; Stage 2 (Release 15)”, 3GPP TS 38.300 v2.0.0 (Dec. 2017), 68 pags. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Architecture Enhancements for Non-3GPP Accesses”, 3GPP TS 23.402 v14.2.0 (Dec. 2016), 307 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Policy and Charging Control Framework for the 5G System; Stage 2 (Release 15)”, 3GPP TS 23.503 v15.0.0 (Dec. 2017), 56 page… [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Procedures for the 5G System; Stage 2 (Release 15)”, 3GPP TS 23.502 v15.0.0 (Dec. 2017), 258 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Security architecture and procedures for 5G system (Release 15)”, 3GPP TS 33.501 v15.0.0 (Mar. 26, 2018), 128 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Security Architecture and Procedures for 5G System (Release 15)”, 3GPP TS 33.501 v15.1.0 (Jun. 2018), 152 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; System Architecture for the 5G System; Stage 2 (Release 15)”, 3GPP TS 23.501 v15.2.0 (Jun. 2018), 217 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; System Architecture for the 5G System; Stage 2 (Release 15)”, 3GPP TS 23.501 v15.0.0 (Dec. 2017), 181 pages. [cited by applicant]
Arkko et al., “Improved Extensible Authentication Protocol Method for 3rd Generation Authentication and Key Agreement (EAP-AKA')”, Internet Draft, Network Working Group [online] [Retrieved Apr. 8, 2021]. Retrieved from … [cited by applicant]
International Search Report and Written Opinion for Patent Cooperation Treaty Application No. PCT/FI2019/050573 dated Oct. 24, 2019, 16 pages. [cited by applicant]
Kaufman et al., “Internet Engineering Task Force (IETF) Request for Comments: 7296; Internet Key Exchange Protocol Version 2 (IKEv2)”, [online] [Retrieved Apr. 8, 2021]. Retrieved from the Internet: <URL: https://tools.… [cited by applicant]
Catt, “Clause 6.1.2—Clarification to Authentication Method Selection-Based on Living CR S3-181465”, 3GPP TSG-SA WG3 Meeting #91-bis, S33-181719, Change Request 33.501 CR 0084 Rev 2, (May 21-25, 2018), 3 pages. [cited by applicant]
MediaTek Inc., “Correction to UE Actions When Receiving 5GMM Cause 11”, 3GPP TSG-CT WG1 Meeting #111bis, C1-184504, Change Request 24.501 CR 0211, (Jul. 9-13, 2018), 5 pages. [cited by applicant]
Notice of Acceptance for Australian Application No. 2019319095 dated Jul. 1, 2022, 3 pages. [cited by applicant]
Notice of Allowance for Korean Application No. 10-2021-7004763 dated Apr. 28, 2022, 3 pages. [cited by applicant]
Office Action for Chilean Application No. 202100335 dated May 4, 2022, 10 pages. [cited by applicant]
Office Action for Chilean Application No. 202100337 dated May 4, 2022, 9 pages. [cited by applicant]
Office Action for European Application No. 19846960.3 dated Apr. 11, 2022, 3 pages. [cited by applicant]
Office Action for Japanese Application No. 2021-506706 dated Apr. 11, 2022, 7 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Access to the 3GPP 5G Core Network (5GCN) via Non-3GPP Access Networks (N3AN); Stage 3 (Release 16)”, 3GPP TS 24.502 V16.3.0… [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3; (Release 16)”, 3GPP TS 24.501 v16.4.1, (Mar. 2020), 666 page… [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; System architecture for the 5G System (5GS); Stage 2 (Release 16)”, 3GPP TS 23.501 v16.4.0, (Mar. 2020), 430 pages. [cited by applicant]
China Mobile, “Clarification on Deriving SUPI from SUCI”, 3GPP TSG-CT WG4 Meeting #90, CR 0530, C4-191270, (Apr. 8-12, 2019), 4 pages. [cited by applicant]
Ericsson, “SUPI and SUCI for Wireline Access”, SA WG2 Temporary Document, SA WG2 Meeting #131, S2-1902321, (Feb. 25-Mar. 1, 2019), 3 pages. [cited by applicant]
Extended European Search Report for European Application No. 19846960.3 dated Nov. 10, 2022, 19 pages. [cited by applicant]
Huawei et al., “Authentication Failure Scenarios”, 3GPP TSG CT WG4 Meeting #89, CR 0044, C4-190587, (Feb. 25-Mar. 2, 2019), 7 pages. [cited by applicant]
Intel, “Clarification on SUCI Scheme-Output Format”, 3GPP TSG-CT4 Meeting #91, CR 0532, C4-192184, (May 13-17, 2019), 4 pages. [cited by applicant]
MediaTek Inc., “SUCI Value IE in Registration Reject Message”, 3GPP TSG-CT WG1 Meeting #117, CR 1252, C1-193425, (May 13-17, 2019), 9 pages. [cited by applicant]
NEC, “Structure of SUPI and SUCI”, 3GPP TSG CT WG4 Meeting #85, CR 0504, C4-184201, (May 21-25, 2018), 8 pages. [cited by applicant]
Office Action for Canadian Application No. 3,106,505 dated Dec. 5, 2022, 5 pages. [cited by applicant]
Office Action for Japanese Application No. 2021-506706 dated Jan. 30, 2023, 7 pages. [cited by applicant]
Qualcomm Incorporated, “Stopping T3519 and Deleting SUCI when Receiving Authentication Reject”, 3GPP TSG-CT WG1 Meeting #116, CR 1039, C1-192290, (Apr. 8-12, 2019), 4 pages. [cited by applicant]
Decision to Grant for Japanese Application No. 2021-506706 dated Jun. 22, 2023, 5 pages. [cited by applicant]
Notice of Allowance for ARIPO Application No. AP/P/2021/012934 dated Nov. 22, 2023, 5 pages. [cited by applicant]
Notice of Acceptance for Australian Application No. 2022252749 dated Oct. 6, 2023, 3 pages. [cited by applicant]
Office Action for Canadian Application No. 3,106,505 dated Nov. 21, 2023, 3 pages. [cited by applicant]
Office Action for Saudi Arabia Application No. 521421213 dated Sep. 20, 2023, 11 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Nerwork and Terminals; Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 (Release 15)”, 24.501 v15.1.0, (Sep. 2018), 398 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Nerwork and Terminals; Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 (Release 15)”, 3GPP TS 24.501 v15.7.0, (Jun. 2022), 491 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Nerwork and Terminals; Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 (Release 15)”, 3GPP TS 24.501 v15.3.0, (Mar. 2019), 470 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Nerwork and Terminals; Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 (Release 15)”, 3GPP TS 24.501 v15.2.0, (Dec. 2018), 455 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Nerwork and Terminals; Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 (Release 15)”, 3GPP TS 24.501 v15.2.1, (Jan. 2019), 455 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Nerwork and Terminals; Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 (Release 15)”, 3GPP TS 24.501 v15.4.0, (Jun. 2019), 480 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Nerwork and Terminals; Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 (Release 15)”, 3GPP TS 24.501 v15.5.0, (Sep. 2019), 480 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Nerwork and Terminals; Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 (Release 15)”, 3GPP TS 24.501 v15.6.0, (Dec. 2019), 478 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Security architecture and procedures for 5G system (Release 15)”, 3GPP TS 33.501 v15.8.0, (Mar. 2020), 191 pages. [cited by applicant]
“5G; Non-Access-Stratum (NAS) Protocol for 5G System (5GS); Stage 3 (3GPP TS 24.501 bersion 16.5.1 Release 16)”, ETSI TS 124 504 v16.5.1, (Aug. 2020), 729 pages. [cited by applicant]
“5G; System Architecture for the 5G System (5GS) (3GPP TS 23.501 version 16.6.0 Release 16)”, ETSI TS 123 501 v16.6.0, (Oct. 2020), 450 pages. [cited by applicant]
Office Action for Chinese Application No. 201980053388.2 dated Dec. 28, 2023, 20 pages. [cited by applicant]
Office Action for Colombian Application No. NC2021/0002942 dated Nov. 22, 2023, 16 pages. [cited by applicant]
“3rd Generation Partnership Project; Technical Specificaton Group Core Network and Terminals; Access to the 3GPP 5G Core Network (5GCN) via Non-3GPP Access Networks (N3AN); Stage 3 (Release 16)”, 3GPP TS 24.502 V16.3.0,… [cited by applicant]
“3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Numbering, addressing and identification; (Release 16)”, 3GPP TS 23.003 V16.2.0, (Mar. 2020), 140 pages. [cited by applicant]
Notice of Acceptance for Chilean Application No. 2021-000337 dated Mar. 21, 2023, 6 pages. [cited by applicant]
Office Action for Saudi Arabia Application No. 521421213 dated May 10, 2023. [cited by applicant]
Notice of Allowance for Korean Application No. 10-2023-7028554 dated Apr. 3, 2024, 5 pages. [cited by applicant]
Office Action for Indonesian Application No. P00202101642 dated Jan. 10, 2024, 6 pages. [cited by applicant]
Extended European Search Report for European Application No. 24165791.5 dated Jun. 27, 2024, 13 pages. [cited by applicant]
Interdigital, “Discussion Paper on the need and ways to make SUPI protection opaque to IMSI sniffers”, 3GPP TSG SA WG3 (Security) Meeting #90-Bis, S3-180505, (Feb. 26-Mar. 2, 2018), 9 pages. [cited by applicant]
CATT, “SUCI structure and SUCI generation conditions”, 3GPP TSG SA WG3 (Security) Meeting #90-Bis, S3-180594, (Feb. 26-Mar. 2, 2018), 2 pages. [cited by applicant]
Ericsson et al., “Subscription privacy: proposed content to clause 6.8.1 (SUPI) ”, 3GPP TSG SA WG3 (Security) Meeting #88, S3-171782, (Aug. 7-11, 2017) 1 page. [cited by applicant]