№ lp_1_2_17427
File format: docx
Character count: 4273
File size: 56 KB
Year:
2026
Region / City:
Goa, India
Topic:
IMS signaling transport for GEO NB-IoT NTN access
Document Type:
Meeting Contribution
Organization / Institution:
3GPP
Author:
vivo
Target Audience:
3GPP TSG-SA WG2 members
Period of validity:
February 2026
Approval Date:
Not specified
Modification Date:
Not specified
Agenda Item:
20.1.1
Work Item / Release:
FS_5GSAT_Ph4_ARC / Rel-20
Abstract:
Updated conclusion on IMS signaling transport for GEO NB-IoT NTN access
Context:
Document proposing conclusions on IMS signaling transport for GEO NB-IoT NTN access.
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Year:
2025
Region / city:
Göteborg, SE
Theme:
IMS voice call optimization via NB-IoT GEO
Document Type:
Technical Specification
Organization:
Huawei, HiSilicon, China Telecom, CSCN
Author:
Not specified
Target Audience:
Telecom engineers, 3GPP members
Period of validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2026
Region / City:
Goa, India
Theme:
Telecommunications
Document Type:
Meeting Conclusion
Organization:
3GPP TSG-WG SA2
Author:
Huawei, HiSilicon
Target Audience:
Telecommunications professionals, engineers, and network operators
Period of validity:
N/A
Approval Date:
9th Feb 2026
Amendment Date:
N/A
Year:
2026
Location:
Goa, India
Topic:
IMS enhancement for GEO NB-IoT NTN access
Document type:
Meeting contribution / Technical report
Organization:
3GPP TSG-WG SA2
Author:
Huawei, HiSilicon
Audience:
3GPP members, telecom engineers
Agenda item:
20.1.1
Work item / Release:
FS_5GSAT_Ph4-ARC / Rel-20
Reference document:
TR 23.700-19 v1.1.0
Meeting number:
#173
Date:
9–13 February 2026
Summary:
Interim conclusions for Key Issue #2 on IMS enhancement for GEO NB-IoT NTN access including SIP message size reduction, shortened call setup, and B2BUA interoperation
Year:
2025
Region / City:
Global / 3GPP Members
Subject:
Telecommunications; NB-IoT; IMS Voice; GEO Satellite
Document Type:
Technical contribution / Agreement
Organization:
3GPP, vivo Mobile Communication Co.
Authors:
Contributors from vivo, China Mobile, MediaTek, ZTE, Verizon, Ericsson, CATT, Nokia, Skylo, Thales, China Telecom, Spreadtrum, Xiaomi, OPPO, China Unicom, LG Electronics, Apple, Samsung, NTT DOCOMO, CSCN, SHARP
Target Audience:
3GPP Working Groups RAN1, RAN2, SA2, SA4
Period of Effect:
2025 – until next update
Approval Date:
August 2025
References:
3GPP TR 23.700-19, TS 26.132, TR 36.321, TR 36.763, TR 38.811, TR 38.821, FS_ULBC Tdocs
Year:
2026
Region / city:
Goa, India
Topic:
IMS Voice over GEO Satellite
Document Type:
Specification
Organization:
3GPP
Author:
Nokia
Target audience:
3GPP members
Period of validity:
N/A
Approval date:
N/A
Modification date:
N/A
Year:
2026
Location:
Goa, India
Subject:
IMS enhancement for GEO NB-IoT NTN access
Document Type:
Meeting contribution / Technical conclusion
Organization:
3GPP TSG-WG SA2
Author:
Huawei, HiSilicon
Agenda Item:
20.1.1
Work Item / Release:
FS_5GSAT_Ph4-ARC / Rel-20
Purpose:
Approval
Reference Document:
TR 23.700-19 v1.1.0
Interim Conclusions:
SigComp, SIP header slimming, SDP preconfiguration, shortened call setup, B2BUA support, dedicated bearer for IMS voice data
Year:
2026
Region / city:
Goa, India
Topic:
Change request for GEO voice data transport
Document Type:
Change Request
Organization:
3GPP
Author:
vivo
Target Audience:
3GPP Working Groups, SA2
Period of Validity:
N/A
Approval Date:
2026-01-30
Amendment Date:
N/A
Proposed change:
Documentation of required normative work for GEO voice data transport over UP IP.
Consequences if not approved:
GEO voice data transport over UP IP will not be supported.
Year:
2026
Region / City:
India
Document Type:
Change Request
Organization / Committee:
3GPP TSG-SA5
Author:
Huawei
Work Item Code:
TEI19
Release:
Rel-19
Category:
C
Date Submitted:
2026-01-10
Meeting Number:
165
Clauses Affected:
TraceControlNrm.yaml
Related Specifications:
Other core specifications, Test specifications, O&M Specifications
Revision History:
1st Change at commit 09d56814c19dc9ad803b1dd962315a850f929df4
URL:
https://www.3gpp.org/Change-Requests
Year:
2026
Location:
Goa, India
Organization:
3GPP TSG-SA WG2
Document Type:
Meeting Report
Agenda Item:
20.1.1
Work Item / Release:
FS_5GSAT_Ph4_ARC / Rel-20
Author / Contributor:
MediaTek Inc.
Target Audience:
3GPP members and IMS implementers
Subject:
IMS enhancement, GEO NB-IoT NTN, static SDP pre-definition
Date of Meeting:
February 09–13, 2026
Proposal Status:
Interim conclusion
References:
RFC 4566
Year:
2026
Institution:
University of Florida
Department:
Geography
Course Code:
GEO 2410
Course Type:
Asynchronous Online Class
Instructor:
Zeyu He
Syllabus Contributors:
Neha Kohli, Dr. Michael Waylen, Dr. Heidi Lannon
Email:
[email protected]
Office Hours:
Jan. 19 – Apr. 17, Friday 10:30 AM - 12:30 AM EST, Turlington Hall 1215 or Zoom
Target Audience:
University Students
Required Text:
The Newcastle Social Geographies Collective. 2021 Social Geographies: An Introduction, Rowman & Littlefield Publishers, ISBN 9781786612304
Topics Covered:
Social geography, human-environment interactions, migration, environmental justice, spatial social systems
Assessment:
Weekly deliverables (discussion posts, labs, quizzes), final project proposal outline
Policies:
Student accommodations through Disability Resource Center, online participation, class attendance, professional communication
Resources:
Counseling and Wellness Center, University Police, Canvas platform
Year:
Not specified
Region / City:
Not specified
Topic:
Colonic mucosa, PET-MPs, UC, immune cell infiltration
Document Type:
Research data table
Organization / Institution:
Not specified
Author:
Not specified
Target Audience:
Researchers in molecular biology, immunology, and related fields
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2026
Location:
Goa, India
Organization:
3GPP TSG-SA WG2
Document Type:
Meeting Report / Technical Conclusion
Author:
vivo
Agenda Item:
20.1.1
Work Item / Release:
FS_5GSAT_Ph4_ARC / Rel-20
Subject:
IMS signaling and voice transport over NB-IoT via GEO satellite
Target Audience:
3GPP members and technical contributors
Date of Meeting:
09-13 February 2026
Document ID:
S2-26XXXXX
Security Consideration:
IMS signaling must be transported over IP for end-to-end IPSec security
Year:
2026
Location:
Goa, India
Topic:
IMS signaling and voice transport over NB-IoT via GEO satellite
Document Type:
Meeting conclusion
Organization:
3GPP TSG-SA WG2
Contributors:
vivo, China Mobile, MediaTek Inc., Qualcomm Incorporated, China Unicom, China Telecom, CATT, Ericsson, Samsung, OPPO, Xiaomi, Spreadtrum, SHARP
Agenda Item:
20.1.1
Work Item / Release:
FS_5GSAT_Ph4_ARC / Rel-20
Period:
09-13 February 2026
Approval Status:
For approval
Abstract:
Updated conclusions on transport mechanisms for IMS signaling and voice packets over NB-IoT GEO NTN
Key Issues:
Support of IMS voice call over NB-IoT via GEO satellite connecting to EPC
Technical Recommendations:
Use of IP packets for IMS signaling, optional RoHC, single PDN connection for IMS signaling and voice
Summary:
Meeting document capturing technical conclusions and proposals for the transport of IMS signaling and voice packets over NB-IoT via GEO satellite connecting to EPC.
Year:
2026
Region / City:
Goa, India
Topic:
NB-IoT GEO Simulation
Document Type:
Technical Report
Organization:
3GPP TSG-SA WG4
Author:
China Mobile Com. Corporation
Target Audience:
Industry professionals, engineers, and members of 3GPP
Effective Period:
February 2026
Approval Date:
February 2026
Last Modified:
Not specified
Status:
Draft
Agenda Item:
16.2
Meeting Number:
135
Simulation Parameters:
NB-IoT GEO simulation, ULBC assumptions, and open issues
Pending Actions:
RAN input and confirmation, further investigation required
Summary:
The document outlines updates on assumptions and open issues for NB-IoT GEO simulation, covering unresolved technical aspects and proposing further studies.
Year:
2026
Region / City:
India
Document Type:
Change Request
Organization:
3GPP TSG-SA5
Author / Source:
Huawei
Work Item Code:
TEI19
Release:
Rel-19
Category:
C (functional modification of feature)
Date Submitted:
2026-01-29
Affected Clauses:
4.3.38.1, 4.3.X(new), 4.3.X.1(new), 4.3.X.2(new)
Proposed Changes:
Enhance description of NTN geographical area and modify nTNGeoAreaList attribute definition
Consequences if Not Approved:
Inaccurate implementation of NTN MDT geographical area
Related Specifications:
TS/TR ... CR ..., other core and test specifications
Year:
2021
Region / City:
N/A
Topic:
NB-IoT, LTE-MTC, enhancements
Document type:
Change request
Author:
Motorola Mobility
Target audience:
RAN1 working group
Period of validity:
N/A
Approval date:
2021-11-01
Change request date:
2021-11-01
Release:
Rel-17
Work item code:
NB_IOTenh4_LTE_eMTC6-Core
Category:
B
Reason for change:
Introduction of additional enhancements for NB-IoT
Summary of change:
Support for NB-IoT features according to RAN1 agreements: 16QAM for unicast in uplink and downlink
Clauses affected:
16.2.1.1.1, 16.2.2, 16.4.1.3, 16.4.1.5, 16.4.1.5.1, 16.5.1.1, 16.5.1.2
Other affected specifications:
TS 36.211, TS 36.212
Change history:
revision history available
Test specifications:
N/A
O&M Specifications:
N/A
Source:
Ericsson
Meeting:
3GPP TSG-WG SA2 #173
Agenda Item:
20.1.1
Work Item / Release:
FS_5GSAT_Ph4_ARC / Rel-20
Date:
February 09-13, 2026
Region:
Goa, India
Document Type:
Technical contribution / approval
Target Audience:
3GPP SA2 members
Key Issues:
KI#1 – non-IP transport and new RTP negotiation
Protocol Focus:
UE-EPC non-IP coordination, UE-IMS new RTP header
Standards Referenced:
TR 23.700-19, TS 29.303
Endorsement Status:
For approval
Year:
2021
Region / city:
Sophia Antipolis, France
Topic:
Narrow-Band Internet of Things (NB-IoT), enhanced Machine Type Communication (eMTC), Non-Terrestrial Networks (NTN)
Document Type:
Technical Report
Organization / Institution:
3rd Generation Partnership Project (3GPP)
Author:
3GPP
Target Audience:
Technical professionals and organizations involved in mobile communication technologies
Period of validity:
Not specified
Approval date:
Not subject to approval
Date of changes:
Not specified
Year:
2021
Region / City:
Global
Topic:
NB-IoT Carrier Selection
Document Type:
Technical Discussion Paper
Organization:
3GPP TSG-RAN WG2
Author:
Ericsson
Target Audience:
Industry professionals, 3GPP participants
Period of Validity:
Not specified
Approval Date:
Not specified
Amendment Date:
Not specified
Specification:
3GPP TS 38.331
Working Group:
3GPP TSG-RAN WG2
Meeting:
#132
Location:
Dallas, USA
Meeting dates:
17th – 21st November 2025
Document number:
R2-250xxxx
Revision:
1
Current version:
19.0.0
CR number:
5604
CR category:
B (addition of feature)
Release:
Rel-19
Work item code:
TEI19
Date:
2025-11-20
Title:
NR-NTN to NB-IoT NTN Cell Selection [IoT_NR_NTN_CellSelect]
Source to WG:
EchoStar, Boost Mobile Network, Qualcomm, Aalyria, Terrestar, Skylo, Sateliot, Samsung
Source to TSG:
R2
Clauses affected:
2, 5.2.2.4, 6.2.2, 6.3.1, 6.3.2
Other specifications affected:
TS 38.306 CR 1389; TS 38.300 CR 1059
Reason for change:
Enhanced inter-RAT cell selection mechanism between NR-NTN and IoT NTN
Summary of change:
Introduction of IoT NTN neighbour cell information in new SIBxy including IoT NTN carrier frequency and satellite information
Consequences if not approved:
Reduced efficiency of inter-RAT cell selection and potential service interruption or degraded performance for UEs with dual NTN RAT capabilities
Revision history:
r0 initial version; rev1 introduction of new SIBxy and revision of field description parameters
Form version:
CR-Form-v12.3