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Technical document presenting a risk assessment of SCell Activation/Deactivation MAC CE, evaluating potential passive attacks on user location identification and discussing the severity and mitigation measures.
Year:
2026
Location:
Goa, India
Organization:
3GPP TSG-SA3
Authors:
Huawei, HiSilicon
Document Type:
Meeting Contribution / Discussion Paper
Agenda Item:
5.3.11
Subject:
Risk assessment of SCell Activation/Deactivation MAC CE
References:
3GPP TS 38.321, GSMA FSAG Doc 88_009, 3GPP S3-212305, Huawei MAC CE risk analysis
Target Audience:
3GPP SA3 participants
Risk Level:
Low
Methodology:
MAC CE risk analysis framework as per [4]
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Year:
2020
Region / City:
Electronic meeting
Topic:
MBS Session activation/deactivation
Document Type:
Contribution
Author:
Nokia, Nokia Shanghai Bell
Target Audience:
SA WG2 members
Period of validity:
Not specified
Approval Date:
Not specified
Date of changes:
Not specified
Year:
2022
Date:
2022-04-14
Meeting:
3GPP TSG-RAN4 #103-e
Document type:
Change Request
Source organization:
Huawei, HiSilicon
Work item code:
LTE_NR_DC_enh2-Core
Category:
B
Release:
Rel-17
Affected specifications:
36.133, TS36.521-3
Clauses affected:
7.32.2.X
Proposed change:
Interruptions on LTE active serving cells during A-TRS based single SCell activation/deactivation
Consequences if not approved:
Incomplete support of further Multi-RAT Dual-Connectivity enhancements
Context:
Technical change request detailing interruption timing rules for LTE active serving cells during fast SCell activation or deactivation in EN-DC scenarios.
Year:
2022
Region / City:
Online
Subject:
5G Network, SCG Activation/Deactivation
Document Type:
Change Request (CR)
Author:
Apple
Target Audience:
3GPP members, RAN4 working group
Effective Period:
2022-04-05
Approval Date:
2022-04-05
Amendment Date:
N/A
Release:
Rel-17
Category:
F
Work Item Code:
LTE_NR_DC_enh2-Core
TSG Source:
R4
Proposed Change:
Modify SCG activation/deactivation requirements
Reason for Change:
SCG interruption due to activation/deactivation
Impact if Not Approved:
SCG activation/deactivation interruption requirements remain undefined
Affected Clauses:
8.2.4.2.16, 8.17.2
Test Specifications Affected:
TS38.533
O&M Specifications Affected:
None
Other Comments:
Detailed explanation of SCG interruption at activation/deactivation provided in the change document.
Detailed Change History:
Revision history of SCG activation/deactivation interruption requirements and impact on MCG and SCG in different Frequency Range (FR) conditions.
Year:
2021
Region / City:
Unknown
Theme:
5G, RAN, SCell activation
Document type:
Technical report
Organization / Institution:
3GPP TSG-RAN WG2
Author:
MediaTek Inc.
Target audience:
Companies involved in 5G network technology
Period of validity:
Not specified
Approval date:
Not specified
Date of modifications:
Not specified
Year:
2021
Region / City:
Not specified
Topic:
NR CA, SCell activation, temporary RS
Document Type:
Technical Paper
Organization / Institution:
Huawei
Author:
Moderator (Huawei)
Target Audience:
Industry professionals, companies involved in NR CA
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2020
Region / City:
e-Meeting
Topic:
5G NR L1-SINR and SCell Beamforming Reports
Document Type:
Meeting Contribution
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (Apple)
Target Audience:
Technical specialists and engineers in wireless communications
Effective Period:
May 25th– June 5th, 2020
Approval Date:
Not provided
Modification Date:
Not provided
Note:
Context
Document type:
Change Request
Specification:
3GPP TS 38.133
Release:
Rel-16
Current version:
16.4.0
CR number:
1081
Revision:
2
Meeting:
3GPP TSG-RAN4 Meeting #96-e
Meeting format:
Electronic Meeting
Meeting date:
17–28 August 2020
CR form version:
CR-Form-v12.0
Work item code:
LTE_NR_DC_CA_enh-Core
Category:
F (correction)
Date:
2020-07-11
Source to WG:
Huawei, HiSilicon
Source to TSG:
R4
Affected clauses:
8.6.2, 8.6.2A
Technology:
NR (New Radio)
Subject:
SCell dormancy and BWP switch delay requirements
Organization:
3GPP
Working Group:
RAN WG4
Meeting:
RAN WG4 Meeting #98-e
Meeting format:
Electronic meeting
Meeting date:
2021-01-25 – 2021-02-05
Document type:
Change Request
CR number:
R4-2103567
Specification:
38.133
Current version:
16.6.0
Release:
Rel-16
Category:
B (addition of feature)
Title:
DraftCR on EN-DC NR SpCell in FR1 and 2 NR SCells in FR2 for Dormant SCell switch via DCI 2_6 within and after 3 OFDM symbols
Source to WG:
Qualcomm Incorporated
Source to TSG:
R4
Work item code:
LTE_NR_DC_CA_enh-Perf
Date:
2021-01-25
Affected clauses:
A.5.5.x.y
Affected specifications:
TS38.533, TS36.133
Related technology:
EN-DC, NR FR1, NR FR2, E-UTRA
Test scenario:
EN-DC configuration with one E-UTRA PCell, one NR FR1 PSCell, and three NR FR2 SCells
Purpose:
Verification of dormant BWP switch delay and interruption requirements
Year:
2025
Location:
Gothenburg, Sweden
Subject:
OD-SSB SCell reference for SSB-less SCell activation
Document type:
Liaison Statement
Organization:
3GPP TSG-RAN WG4
Authors:
[email protected], [email protected]
Intended audience:
RAN1, RAN2, RAN4
Release:
Rel-19
Work item:
Netw_Energy_NR_enh-Core
Date of meeting:
8–13 February 2025
Next meetings:
13–17 April 2025, Malta; 18–22 May 2025, TBD, China
Attachments:
None
Contact email:
[email protected]
Year:
2022
Date:
2022-04-14
Meeting:
3GPP TSG-RAN4 #103-e
Document type:
Change Request
Source organization:
Huawei, HiSilicon
Work item code:
LTE_NR_DC_enh2-Core
Category:
B
Release:
Rel-17
Affected specifications:
36.133, TS36.521-3
Clauses affected:
7.32.2.X
Proposed change:
Interruptions on LTE active serving cells during A-TRS based single SCell activation/deactivation
Consequences if not approved:
Incomplete support of further Multi-RAT Dual-Connectivity enhancements
Context:
Technical change request detailing interruption timing rules for LTE active serving cells during fast SCell activation or deactivation in EN-DC scenarios.
Year:
2025
Region / city:
Gothenburg, Sweden
Topic:
UICC apps, Radio Access Network, Core Network
Document Type:
Change Request
Organization / institution:
3GPP
Author:
Nokia
Target Audience:
TSG-RAN4, WG members
Validity period:
Not specified
Approval date:
2025-01-30
Date of changes:
Not specified
Year:
2022
Region / City:
Global
Theme:
LTE/NR Dual Connectivity
Document Type:
Change Request
Author:
Huawei, HiSilicon
Target Audience:
Technical Working Groups
Release:
Rel-17
Date of Approval:
2022-05-14
Change Request ID:
2347
Document Revision:
1
Affected Clauses:
8.3.16, 8.3.X
Reason for Change:
Correction of activation delay parameters
Impact if Not Approved:
Incomplete support of further Multi-RAT Dual-Connectivity enhancements
Categories Affected:
Radio Access Network, Core Network
Core Specifications Affected:
TS38.533
Test Specifications Affected:
TS38.533
O&M Specifications Affected:
Not specified
Context:
A detailed specification of the delay requirements for activating a secondary cell (SCell) based on A-TRS, addressing multiple downlink SCells in LTE/NR environments.
Year:
2023
Organization:
3GPP TSG-SA3
Source:
Ericsson, BT, Huawei, HiSilicon
Type of document:
Meeting contribution / Draft report
Agenda Item:
5.151
Purpose:
Approval
Subject:
Security solution for Rich Call Data based on STIR/SHAKEN
Meeting format:
Electronic meeting, Online
Date of meeting:
17–21 April 2023
Target audience:
3GPP working group members
References:
3GPP TR 33.890, TS 24.229
Decision/action requested:
Include proposed pCR in TR, send LS to SA2 if needed
Year:
2026
Location:
Goa, India
Document Type:
Technical Report / Contribution
Organization:
3GPP TSG-SA3
Authors:
Lenovo, Motorola Mobility
Agenda Item:
5.2.11
Purpose:
Approval
References:
3GPP TR 33.703, Post Quantum Cryptography Guidelines Version 2.0, NIST SP 800-227
Technical Scope:
SUCI computation using Hybrid PQC and ECC key derivation
Target Audience:
3GPP SA3 working group members
Related Standard:
TS 33.501
Meeting:
#126
Context:
Describes detailed steps for UE and network processing of SUCI with hybrid post-quantum cryptography and ECC mechanisms, including key derivation and encryption protocols
Year:
2026
Location:
Goa, India
Subject:
Mobile network security; SUCI calculation; Post-Quantum Cryptography
Document Type:
Technical contribution
Organization:
3GPP TSG-SA3
Author:
ZTE
Target audience:
3GPP SA3 members and network security experts
Agenda item:
5.2.1
Specification:
3GPP TR 33.703
Version:
0.3.0
Work Item:
FS_CryptoPQC
Date of meeting:
9–13 February 2026
Key topics:
Hybrid PQC encryption, AEAD key derivation, UE and network processing steps, SUCI structure
Notes:
Editor’s evaluations pending for AEAD choice, SUCI length impact, computing overhead, USIM card update scenario
Year:
2026
Location:
Goa, India
Organization:
3GPP
Author:
Qualcomm Incorporated
Document type:
Technical specification contribution
Agenda item:
5.2.11
Specification:
3GPP TR 33.714
Version:
0.2.0
Work item:
FS_AIoT_SEC_Ph2
Intended for:
Approval
Key topics:
AIoT NAS data transfer, information protection, session key derivation
Scope:
DO-A capable AIoT devices
Date of meeting:
09 – 13 February 2026
Year:
2026
Location:
Goa, India
Organization:
3GPP TSG-SA3
Author:
Ericsson
Document Type:
Work Item Description
Agenda Item:
6.13
Target Release:
Rel-201
Scope:
UICC apps, Mobile Equipment, Access Network, Core Network
Classification:
Normative – Stage 1
Parent Work Item:
FS_CryptoPQC (Study on Transitioning to Post Quantum Cryptography in 3GPP)
Related Work Items:
Various referenced governmental and standards migration documents
Purpose:
Agreement on migration to post-quantum cryptography and timeline alignment
Expected Implementation Milestones:
Rel-20 Stage 3 mid-2027, SA Stage 2 December 2026, Rel-21 early 2029
Security Considerations:
Confidentiality and authentication transition strategies
References:
NIST IR 8547, EU PQC Roadmap, UK NCSC PQC Timelines, NSA CNSA 2.0 FAQ, ANSSI Guide, ASD Guidelines, Canadian CCS PQC Roadmap, Swedish NCSC PQC Guidance, NSM Cryptographic Recommendations, AIVD PQC Migration Handbook, 3GPP Release 20 Milestones
Year:
2026
City:
Goa
Country:
India
Event:
3GPP TSG-SA3 Meeting #126
Dates:
9–13 February 2026
Agenda item:
5.1.1
Document type:
Proposed Change Request (pCR)
Specification:
3GPP TS 33.502
Specification version:
1.0.0
Work item:
SECHAND
Organizations:
Vodafone; Verizon; China Mobile; NTT DOCOMO; KDDI; AT&T; Deutsche Telekom; Telecom Italia; Ericsson; IIT Bombay
Technical domain:
5G system security
Architecture context:
Service Based Architecture (SBA)
Related specifications:
3GPP TR 21.905; 3GPP TS 29.500; 3GPP TS 33.501; 3GPP TS 33.310; 3GPP TS 33.210; 3GPP TS 28.541
Subject:
Detection and reporting of configuration changes in SBA-related parameters of network functions
Status:
Draft for approval
Year:
2026
Location:
Goa, India
Topic:
Post-Quantum Cryptography, 3GPP Security Specifications
Document type:
Technical Report Contribution
Organization:
3GPP TSG-SA3
Authors:
Huawei, HiSilicon, Lenovo, Motorola Mobility
Work Item:
FS_CryptoPQC
Agenda item:
5.2.1
Specification:
3GPP TR 33.703
Version:
0.3.0
Purpose:
Approval of corrections and editorial updates
References:
3GPP TR 21.905, 3GPP TR 33.938, 3GPP TS 33.180, 3GPP TS 33.501, IETF RFCs, NIST FIPS, ANSSI, NSA, GSMA, other post-quantum cryptography guidelines
Date of meeting:
9–13 February 2026
Year:
2026
Location:
Goa, India
Topic:
5G security and authentication for AIoT devices
Document type:
Draft contribution for approval
Organization:
3GPP TSG-SA3
Author:
OPPO
Agenda item:
5.2.11
Specification reference:
3GPP TR 33.714, TS 33.501
Work item:
FS_AIoT_SEC_Ph2
Version:
0.2.0
Meeting dates:
9–13 February 2026
Target audience:
3GPP technical committee members