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Technical contribution summarizing a proposed maintenance change to 3GPP TS 36.213 regarding scheduling delay and subframe counting for NPDSCH and NPUSCH procedures in IoT NTN TDD mode discussed within 3GPP TSG RAN WG1.
Year:
2026
Event:
3GPP TSG RAN WG1 #124
Location:
Gothenburg, Sweden
Dates:
February 9–13, 2026
Agenda item:
8.7.2
Organization:
3GPP TSG RAN Working Group 1
Source:
Moderator (Qualcomm Incorporated)
Document identifier:
R1-2601468
Subject:
IoT NTN TDD mode scheduling and subframe definition
Technical area:
NB-IoT physical layer procedures
Related specification:
3GPP TS 36.213
Related contribution:
R1-2601098
Contributing companies mentioned:
Iridium, Cambridge Consultants, Nokia
Document type:
Technical discussion contribution
Purpose:
Discussion
Change proposal:
TP1-1
Key topic:
Definition and counting of subframes for scheduling delay in IoT NTN TDD mode
Affected procedures:
UE procedure for receiving NPDSCH
Proposed modification:
Replace counting of “DL subframes” with “subframes” for IoT NTN TDD scheduling delay
Consequence if not approved:
Potential misinterpretation of subframe counting and reduced scheduling flexibility
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Year:
2025
Region / City:
Bangalore, India
Topic:
IoT NTN TDD mode capability
Document Type:
Meeting Report
Organization / Institution:
3GPP TSG-RAN WG2
Author:
Samsung
Target Audience:
Industry experts and stakeholders in mobile communication
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Modifications:
Not specified
Year:
2025
Region / city:
Bangalore, India
Topic:
IoT-NTN TDD
Document type:
Discussion paper
Organization:
3GPP TSG-RAN WG2
Author:
Toyota ITC
Target audience:
Participants of the 3GPP TSG-RAN WG2 meeting
Period of validity:
August 2025
Approval date:
August 2025
Modification date:
None
Deadline for feedback:
August 7th, 08:00 UTC
Note:
Contact information
Toyota ITC:
Claude Arzelier, Kai-Erik Sunell
Thales:
Flavien Ronteix Jacquet
Year:
2025
Location:
Bangalore, India
Topic:
IoT-NTN TDD, Stage 2 Change Requests
Document type:
Technical discussion document
Organization:
3GPP TSG-RAN WG2
Author:
Iridium Satellite LLC
Audience:
RAN2 members and contributing companies
Deadline for input:
August 1, 2025, 08:00 UTC
References:
RP-243293 (Madrid, Dec 2024), R1-2504883 (St. Julians, May 2025)
Contact persons:
Andjela Ilic-Savoia (Iridium), Yitao Mo (vivo), Zhihong Qiu (ZTE), Ping Yuan (Nokia), Xubin (Huawei, HiSilicon)
Scope:
Open issues related to Stage 2 CR for IoT-NTN TDD Rel-19 WI
Purpose:
Discussion and endorsement of proposed changes
Affected specifications:
TS 36.300, TS 36.102
Relevant bands:
1616–1626.5 MHz
Year:
2026
Location:
Gothenburg, Sweden
Topic:
IoT NTN TDD scheduling and subframe definitions
Document type:
Technical report
Organization:
3GPP TSG RAN WG1
Author:
Qualcomm Incorporated
Audience:
Discussion participants in 3GPP working group
Agenda item:
8.7.2
Issue number:
1
Period of relevance:
February 9–13, 2026
Reference documents:
R1-2601098, TS 36.213, TS 36.211
Year:
2015
Region / City:
Asia-Pacific, Kyoto, Japan
Topic:
Network Synchronization Technologies in Radio Access Networks for IMT TDD Systems
Document Type:
Report
Organization / Institution:
APT Wireless Group (AWG)
Author:
APT Wireless Group
Target Audience:
Network engineers, telecommunications professionals, regulators
Period of Action:
Ongoing
Date of Approval:
March 13, 2015
Date of Modifications:
None
Year:
2021
Date:
2021-02-02
Organization:
3rd Generation Partnership Project
Technical Group:
TSG RAN WG4
Meeting:
RAN WG4 Meeting #98-e
Document Type:
Change Request
Specification:
3GPP TS 38.101-4
Current Specification Version:
16.3.0
Release:
Rel-16
CR Number:
0131
Revision:
1
Category:
B (addition of feature)
Source to WG:
CMCC
Source to TSG:
R4
Work Item Code:
NR_UE_pow_sav-Perf
Affected Clauses:
5.3.2.2.3 (New); 5.3.3.2.3 (New)
Affected Specifications:
TS38.521-4
Technical Domain:
Radio Access Network
Subject:
Demodulation performance requirements for power saving UE in FR1 TDD using PDCCH DCI format 2_6
Test Scope:
FR1 TDD PDCCH monitoring and demodulation performance during DRX operation
Year:
2026
Region / city:
Gothenburg Metropolitan Area, Sweden
Theme:
Technical change request
Document type:
Change Request
Organization / institution:
3GPP
Author:
Ericsson
Target audience:
Technical experts, engineers, regulatory bodies
Period of action:
February 2026
Approval date:
2026-02-12
Date of changes:
2026-02-12
Summary:
The document outlines a change request to remove UTRA TDD from the MSR BS specifications due to the discontinuation of UTRA TDD production and its minimal deployment.
Year:
2026
Location:
Gothenburg Metropolitan Area, Sweden
Topic:
Telecommunications, Radio Access Network
Document type:
Change Request
Organization:
3GPP TSG-RAN4
Author:
Ericsson
Work item code:
AAS_BS_LTE_UTRA-Core, TEI17
Release:
Rel-17
Category:
F (correction)
Date submitted:
2026-02-12
Affected specifications:
37.104, 37.141, 37.145-1, 37.145-2
Clauses affected:
4.5, 6.7.2.3, 7.4.2.3, 7.5.2.2, 7.7.2, 9.7.6.3.3, 9.7.6.3.4, 9.7.6.4.4, 9.8.2.3, 10.5.2.3, 10.6.2.2, 10.6.3.2, 10.6.4.2, 10.8.2
Reason for change:
UTRA TDD is no longer produced and deployments are minimal, making previous co-existence requirements obsolete
Consequences if not approved:
Outdated requirements for UTRA TDD co-existence would remain in AAS BS specifications
Revision history:
R1 – Removal of references to UTRA TDD requirements in tables of 4.3.4.5
Regional requirements:
Certain specifications apply differently depending on local regulations, including operating bands, emission limits, and blocking requirements
Source to WG:
Ericsson
Source to TSG:
R4
Year:
2026
Location:
Gothenburg Metropolitan Area, Sweden
Document type:
Change Request
Standard:
3GPP TS 37.105
Work item code:
AAS_BS_LTE_UTRA-Core, TEI17
Source organization:
Ericsson
Target group:
3GPP R4
Release:
Rel-19
Revision:
1
Date submitted:
2026-02-12
Affected clauses:
4.5, 6.7.2.3, 7.4.2.3, 7.5.2.2, 9.7.6.4.4, 9.8.2.3, 10.5.2.3, 10.8.2
Affected specifications:
37.104, 37.141, 37.145-1, 37.145-2
Category:
F (correction)
Reason for change:
UTRA TDD is no longer produced and deployments are minimal
Summary:
Removes co-existence and colocation requirements with UTRA TDD from the base station specification, including spurious emissions, intermodulation, and receiver blocking
Regional applicability:
Some requirements apply only in certain regions as specified by local regulations
Date of implementation:
2026
Year:
2026
Location:
Gothenburg Metropolitan Area, Sweden
Document type:
Change Request
Organization:
3GPP TSG-RAN4
Author:
Ericsson
Work item code:
AAS_BS_LTE_UTRA, TEI17
Release:
Rel-17
Category:
F (correction)
Date of issue:
2026-02-12
Affected clauses:
4.4, 5.2, 5.3.2, 6.6.3.5.3, 6.7.5.1.3, 7.4.5.1.3, 7.5.5.1.2, 7.5.5.2, 7.5.5.3.2, 7.5.5.4.2, 7.7.5.1
Other affected specifications:
37.104, 37.105, 37.141, 37.145-2
Regional applicability:
Certain requirements apply depending on local or regional regulation
Consequences if not approved:
Unnecessary requirements for UTRA TDD co-existence would remain in the AAS BS specification
Year:
2026
Location:
Gothenburg Metropolitan Area, Sweden
Subject:
Radio Access Network change request
Document type:
Change Request
Organization:
3GPP TSG-RAN4
Author:
Ericsson
Work item code:
AAS_BS_LTE_UTRA, TEI17
Release:
Rel-17
Category:
F (correction)
Date submitted:
2026-02-12
Clauses affected:
4.4, 5.2, 5.3.2, 5.4, 6.7.6.4.5, 6.7.6.5.5, 6.8.5.1.3, 7.5.5.1.3, 7.6.3.5, 7.8.5.1
Other specifications affected:
37.104, 37.105, 37.141, 37.145-1
Att.1 – TDD update (TG-FakeMed) for AI-based detection of falsified medicine, Study Period 2017-2020
Year:
2021
Organization:
International Telecommunication Union, Telecommunication Standardization Sector
Study Period:
2017-2020
WG(s):
Plen
Meeting:
Online, 19-21 May 2021
Source:
TG-FakeMed Topic Driver
Document Type:
Topic Description Document (TDD)
Author / Contact:
Frank Verzefé, TrueSpec-Africa, DRC, [email protected]
Focus:
AI for detection of substandard and falsified medical products
Purpose:
Discussion and development of AI benchmarking methods
Abstract:
Description of objectives, methodology, data structure, and benchmarking approach for AI in detecting falsified medicines
Scope:
Global, with emphasis on public health impact and data collection from LMICs
Ethical Considerations:
Data quality, accuracy, database management, and impact assessment
Year:
2026
Region / City:
Not specified
Subject:
Industrial Automation / Motion Control
Document Type:
Technical Guide
Organization / Institution:
Rockwell Automation
Author:
Not specified
Target Audience:
PLC and motion control engineers
Software Version:
Studio V24
Equipment:
Powerflex 525, Powerflex 527
Functionality Covered:
Drive configuration, motion commands, input/output mapping, acceleration/deceleration, jog simulation
Contextual Notes:
Includes examples and programming practices for integrating Powerflex 527 drives in PLC systems
Year:
2026
Region / City:
N/A
Theme:
HSE Management, Risk Assessment
Document Type:
Contractual Agreement
Organization / Institution:
N/A
Author:
N/A
Target Audience:
Contract Owners, HSE Specialists, Contractors
Period of Action:
3 years from the Contract Owner Signature Date
Approval Date:
N/A
Modification Date:
N/A
Year:
2023
Region / City:
N/A
Theme:
Networking, Password Recovery
Document Type:
Technical Guide
Author:
Cisco Systems
Target Audience:
Networking professionals, instructors, students
Period of validity:
N/A
Approval Date:
N/A
Date of changes:
N/A
Note:
Context
Year:
2020
Region / city:
Multiple (various cities across South Africa)
Topic:
Assessment Plan, Assignment Instructions
Document Type:
Academic assessment guide
Institution:
North-West University (NWU)
Author:
Not specified
Target audience:
Students at North-West University
Period of validity:
2020
Approval date:
Not specified
Date of changes:
Not specified
Year:
2026
Note:
Region / city
Subject:
Wireless LAN, NPCA mode
Document Type:
Technical Draft
Organization:
IEEE
Author:
Shawn Sanghyun Kim, Kiseon Ryu, Hank Hyeonjun Sung, John Juhyung Son, Jin Sam Kwak, Greg Geonjung Ko
Target Audience:
Technical professionals in wireless networking
Contextual description:
Technical draft outlining proposed changes to the IEEE P802.11 wireless LAN standard regarding NPCA mode operation and configuration for non-AP devices.
Year:
2025
Region / city:
Sophia Antipolis, France
Theme:
Mobile Networks, Non-Access-Stratum
Document type:
Technical Specification
Organization / institution:
3GPP
Author:
3GPP Technical Specification Group
Target audience:
Mobile network engineers, telecommunications professionals
Period of validity:
2025-03
Approval date:
2025-03
Date of changes:
None specified
Contextual description:
A technical specification related to Non-Access-Stratum (NAS) functions for Mobile Station in idle mode within the context of the 3GPP standards development.
Note:
Year
Topic:
Refund, Rectification
Document Type:
Guidelines
Organ / Institution:
Protean CRA
Target Audience:
Subscribers of eNPS
Contextual description:
Guidelines for subscribers on how to submit documents to request refunds or rectification of erroneous transactions made through the eNPS portal/D-remit Mode.
Year:
2023
Region / City:
Not specified
Subject:
Maths
Document Type:
Educational material
Institution:
Not specified
Author:
Not specified
Target Audience:
Students preparing for Functional Skills exams
Effective Period:
Not specified
Approval Date:
Not specified
Revision Date:
Not specified