№ lp_2_3_56412
File format: docx
Character count: 4428
File size: 93 KB
Liaison statement from RAN WG2 to SA3 outlining security key change handling options for inter-CU LTM without DC, requesting security evaluation and guidance on acceptable derivation mechanisms and signalling implications.
Meeting:
3GPP TSG RAN WG2#125bis
Document number:
R2-240xx
Location:
Changsha, China
Date:
15th - 19th April 2024
Release:
Rel-19
Work Item:
NR_Mob_Ph4-Core
Source:
Apple
Target group:
SA WG3
Cc:
RAN WG3
Contact person:
Naveen Palle
Attachment:
None
Related specifications:
Rel-18 LTM, Rel-18 S-CPAC
Subject:
Security key handling options for inter-CU LTM without DC
Options discussed:
Option 1, Option 1A, Option 1B, Option 2, Option 3, Option 3A, Option 3B, Option 4, Option 5
Next meetings:
TSG RAN WG2 Meeting #126 (20 - 24 May 2024, Fukuoka, Japan); TSG RAN WG2 Meeting #127 (19 - 23 Aug 2024, Maastricht, Netherlands)
Price: 8 / 10 USD
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Event:
9th International Lead Assessors Certificate Training Course (On-Site)
Standard:
ISO 15189:2022
Dates:
15–19 December 2023
Location:
Godavari Resort, Kathmandu, Nepal
Last Date for Registration:
20 November 2023
Organizing Body:
Foundation for Quality India (FQI)
Associated Organizations:
AERSSC Nepal; AMLA
Type of Document:
Registration Form
Target Audience:
Lead Assessors and Laboratory Professionals
Fee (India, Twin Sharing):
Rs 34000 plus 18% GST (Total Rs 40120)
Fee (India, Single Sharing):
Rs 44000 plus 18% GST (Total Rs 51920)
Fee (Outside India, Twin Sharing):
1000 USD
Fee (Outside India, Single Sharing):
1300 USD
Bank Name:
Bank of Baroda
Account Name:
Foundation for Quality India
Branch:
John Nagar, Bengaluru
Office Address:
“Gayathri Villa”, 3rd Floor, #22, 2nd Main, 2nd Cross, RMV 2nd Stage, AECS Layout, Sanjayanagar, Bengaluru-560094, India
Contact Email:
[email protected]
Website:
www.foundationforqualityindia.co.in
Submission Method:
Scanned copy of duly filled registration form via email
Mandatory Fields:
All fields marked with an asterisk (*)
Payment Requirement:
UTR Number mandatory for NEFT transactions
Additional Notes:
Travel expenses to Nepal to be borne by candidates; incomplete or illegible forms not accepted; official registration form only
Registration form outlining participant details, fee structure, payment instructions, and submission requirements for an ISO 15189:
2022 lead assessor training course आयोजित by Foundation for Quality India in Kathmandu in December 2023.
Year:
2021
Week:
15–19 November
Grade:
Year 1
Subjects:
Maths, English, RE, Science, Global Learning, French, PE, Phonics
Type of document:
Educational plan / weekly schedule
Institution:
Oak Academy / Primary School
Author:
Teaching staff
Audience:
Students and parents
Learning platform links:
Oak Academy, YouTube, ActiveLearnPrimary, PhonicsPlay
Activities format:
Online lessons, reading, writing, arts and crafts, physical exercises
Year:
2025
Region / city:
Wuhan, China
Topic:
Inter-CU LTM in 5G networks
Document type:
Meeting agenda and summary
Organization / institution:
3GPP TSG RAN WG3
Author:
China Telecom
Target audience:
3GPP members, telecom companies
Effective period:
2025
Approval date:
7th April 2025
Modification date:
None specified
Year:
2026
Region / City:
Gothenburg, SE
Topic:
Change Request
Document Type:
Technical Specification
Organization:
3GPP
Author:
Huawei, Nokia, LG Electronics, ZTE, Ofinno, Jio Platforms, CMCC, Ericsson, Lenovo, NEC, NTT DoCoMo, Qualcomm, Samsung, Google, China Telecom
Target Audience:
Members of 3GPP TSG-RAN WG3
Effective Period:
2026-02-12 to ongoing
Approval Date:
2026-02-12
Date of Changes:
2026-02-12
Work Item Code:
NR_Mob_Ph4-Core
Release:
Rel-19
Category:
F (correction)
Clauses Affected:
8.6.1
Other Specifications:
TS38.473CR 1676
Impact:
Functional modification under isolated impact
Summary:
The change request clarifies the procedural text for enabling the candidate gNB-DU to properly provide CSI reporting configuration for CSI acquisition and CSI-IM measurement based on the existing CSI resource configuration in the LTM Configuration Update message.
Reason for Change:
To introduce a procedure for LTM Configuration Update to enable the correct feedback of CSI Report Configuration for CSI Acquisition and CSI-IM measurement.
Other Comments:
Revision history available
Year:
2026
Region / City:
Gothenburg, SE
Subject:
Telecommunication standards, 3GPP, RLF, LTM
Document Type:
Technical Paper
Organization / Institution:
3GPP TSG-RAN WG3
Author:
Huawei, Nokia, Qualcomm, Lenovo
Target Audience:
Telecommunication engineers, researchers, network specialists
Period of Validity:
Ongoing
Approval Date:
February 2026
Revision Date:
N/A
Year:
2026
Location:
Gothenburg, Sweden
Topic:
AI/ML-assisted mobile network handover
Document Type:
Draft report / pCR
Organization:
3GPP TSG-RAN WG3
Contributors:
Nokia, ZTE, Huawei, Lenovo
Agenda Item:
12.2.3
Target Audience:
Network engineers and standardization participants
Reference Standard:
TS 38.300
Meeting Number:
131
Period of Discussion:
9–13 February 2026
Year:
2026
Event:
3GPP TSG-RAN WG3 Meeting #131
Location:
Gothenburg, Sweden
Dates:
09–13 February 2026
Agenda Item:
11.2.1
Document Identifier:
R3-260718
Title Reference:
TP for TS 38.401
Section Reference:
7.12 MRO support for LTM and Inter-CU LTM
Document Type:
Technical Proposal
Standardization Body:
3rd Generation Partnership Project (3GPP)
Working Group:
TSG-RAN WG3
Source Organizations:
Huawei; Nokia
Related Specification:
3GPP TS 38.401
Technical Domain:
5G Radio Access Network
Subject:
Mobility Robustness Optimization for LTM and Inter-CU LTM
Network Elements Mentioned:
gNB-CU, gNB-DU, UE
Protocols / Interfaces:
Xn interface
Change Scope:
Annex A proposal modifying clause 7.12
Year:
2026
Location:
Goteborg, Sweden
Topic:
Telecommunications, 5G Core Network
Document type:
Change Request (CR)
Organization:
3GPP TSG-RAN WG3
Author:
CATT, Huawei, China Telecom, ZTE Corporation, CMCC
Work item code:
NR_Mob_enh2-CoreNR_Mob_Ph4-Core
Release:
Rel-1918
Category:
F (correction)
Date submitted:
2026-01-30
Clauses affected:
10.19.2, 10.7.2
Backward compatibility:
Not compatible
Related specifications:
Other core specifications, Test specifications, O&M specifications
Revision history:
Included in document
Contextual description:
Technical document detailing a change request for resolving ambiguity in SN Addition Request handling for Conditional Handover (CHO) and Inter-CU LTM within the 5G RAN specifications.
Year:
2026
Region / City:
Goteborg, Sweden
Topic:
Telecommunications, Network Architecture
Document Type:
Change Request (CR)
Organization / Institution:
3GPP, Huawei, China Telecom, ZTE Corporation, CMCC
Author:
3GPP RAN WG3
Target Audience:
Network Engineers, Telecommunications Specialists
Period of Validity:
Until next revision
Approval Date:
2026-01-30
Date of Changes:
2026-01-30
Release Version:
Rel-19
Work Item Code:
NR_Mob_enh2-CoreNR_Mob_Ph4-Core
Impact:
Non-backward compatible
Clauses Affected:
10.19.2, 10.7.2
Year:
2026
Event:
3GPP TSG-RAN WG3 Meeting #131
Location:
Gothenburg, Sweden
Dates:
09–13 February 2026
Agenda Item:
11.2.1
Document ID:
R3-260718
Specification Reference:
3GPP TS 38.401
Section Reference:
7.12 MRO support for Intra-CU LTM and Inter-CU LTM
Document Type:
Technical proposal (TP)
Organizations:
Huawei; Nokia; Qualcomm; Lenovo
Technical Domain:
5G Radio Access Network (RAN)
Topic:
Inter-CU LTM mobility handling and failure analysis
Network Elements Mentioned:
gNB-CU; gNB-DU; UE
Interfaces Mentioned:
Xn
Related Procedures:
RLF reporting; Beam Failure Recovery (BFR); RACH-based access; LTM cell switch
Organization:
3rd Generation Partnership Project (3GPP)
Working Group:
TSG-RAN WG3
Meeting:
3GPP TSG-RAN WG3 Meeting #131
Document Number:
R3-260718
Location:
Gothenburg, Sweden
Meeting Date:
09–13 Feb 2026
Agenda Item:
11.2.1
Specification:
TS 38.401
Topic:
Inter-CU LTM and MRO support
Document Type:
Technical Proposal
Contributing Companies:
Huawei; Nokia; Qualcomm; Lenovo
Contributing Operator:
China Unicom
Technical Domain:
5G Radio Access Network
Subject:
Mobility Robustness Optimization and LTM cell switch procedures between gNB-CU and gNB-DU
Year:
2026
Region / City:
Gothenburg, SE
Topic:
Mobile network protocols
Document Type:
Technical Paper
Organization:
Huawei, Nokia, Qualcomm, Lenovo, China Unicom
Author:
Huawei, Nokia, Qualcomm, Lenovo, China Unicom
Target Audience:
Telecom engineers, network developers
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
February 2026
Year:
2026
Region / City:
Goteborg, Sweden
Topic:
Mobile Networks, SN Addition Request, CHO, Inter-CU LTM
Document Type:
Change Request
Organization:
3GPP TSG-RAN WG3
Author:
CATT, Huawei, China Telecom, ZTE Corporation, CMCC, Nokia, LG Electronics
Target Audience:
3GPP members, mobile network operators, equipment manufacturers
Effective Period:
2026-01-30
Approval Date:
2026-01-30
Modification Date:
None