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A summary document of the discussions and proposals about uplink WUS and its operation for 6G networks, presented during the 3GPP TSG RAN WG1 meeting.
Year:
2026
Region / City:
Gothenburg, SE
Topic:
Uplink WUS and operation for 6GR
Document type:
Meeting Summary
Author:
Moderator (LG Electronics)
Target audience:
3GPP TSG RAN WG1 members
Action:
Discussion and decision
Period of validity:
Feb. 9th ~ 13th, 2026
Date of approval:
N/A
Date of changes:
N/A
Note:
Context
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Organization:
3rd Generation Partnership Project (3GPP)
Technical Specification:
TS 36.304
Working Group:
TSG-RAN WG2
Meeting:
#110-e
Meeting Date:
1–12 June 2020
Document Type:
Change Request (CR)
CR Number:
0789
Revision:
13
Release:
Rel-16
Category:
F (correction)
Work Item Code:
LTE_eMTC5-Core (2020-065-162)
Source to WG:
Nokia
Source to TSG:
R2
Affected Clauses:
7.5.1, 7.5.x (new)
Affected Specifications:
TS 36.331 (CR 4239); TS 36.300 (CR 1277)
Subject:
Paging with Wake Up Signal (WUS) and Group Wake Up Signal (GWUS) for eMTC and NB-IoT
Scope:
Corrections and additions related to GWUS monitoring and WUS resource identification for BL UEs and UEs in enhanced coverage
Year:
2026
Location:
Gothenburg, Sweden
Topic:
6G Downlink Wake-Up Signal (DL WUS) design and coverage evaluation
Document Type:
Meeting summary
Organization:
3GPP TSG-RAN WG1
Authors:
Ericsson (Moderator), contributions from Nokia, Futurewei, MediaTek, Huawei, OPPO, Sharp, HONOR, ETRI, Apple, Samsung, Qualcomm, Google, LG, Ofinno, Xiaomi, vivo, CMCC
Target Audience:
3GPP members, RAN1 participants
Agenda Item:
10.6.1.1
Scope:
Study of DL WUS alignment with PDCCH and SSB, coverage targets, energy efficiency, and performance KPIs
Discussion Period:
February 9–13, 2026
Related Documents:
RAN1 #122bis, AI 10.6 of RAN1 #124, TR 38.830, TR 38.869
Year:
2026
Region / City:
Gothenburg, SE
Theme:
6GR, Uplink WUS, Network Design
Document Type:
Meeting Agenda Summary
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (LG Electronics)
Target Audience:
3GPP Members, 6GR Researchers, Network Engineers
Period of Action:
February 9th ~ 13th, 2026
Approval Date:
N/A
Change Date:
N/A
Year:
2026
Region / City:
Gothenburg, SE
Topic:
6GR uplink WUS and operation
Document Type:
Meeting Summary
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (LG Electronics)
Target Audience:
3GPP members and contributors
Period of Action:
February 9th - 13th, 2026
Approval Date:
February 2026
Date of Changes:
N/A
Contextual Description:
Meeting summary discussing the proposed studies and design considerations for uplink WUS and its integration into 6GR networks.
Year:
2026
Location:
Gothenburg, Sweden
Organization:
3GPP TSG RAN WG1
Document type:
Meeting summary / Technical discussion
Agenda item:
10.6.2
Source:
Moderator (LG Electronics)
Target audience:
3GPP members and contributors
Topics:
UL WUS scenarios, 6GR network operation, on-demand SSB and SIB1, energy saving mechanisms
Companies involved:
Nokia, Futurewei, Spreadtrum, Huawei, OPPO
Proposals:
Multiple study and design proposals for UL WUS and related procedures
Context:
Technical document summarizing contributions and proposals regarding uplink wake-up signals, synchronization, and energy-saving mechanisms for 6GR networks in a 3GPP working group meeting
Year:
2026
Region / City:
Gothenburg, SE
Topic:
Uplink WUS and operation for 6GR
Document Type:
Summary
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (LG Electronics)
Target Audience:
3GPP participants
Action:
Discussion and decision
Period of Validity:
February 9th ~ 13th, 2026
Approval Date:
Not specified
Modification Date:
Not specified
Context:
This is a summary document for agenda item 10.6.2 discussing the uplink WUS and its operation, with input from various companies like Nokia, Huawei, and OPPO, outlining observations, proposals, and ongoing studies for 6G design.
Year:
2026
Region / city:
Gothenburg, Sweden
Topic:
6G, DL WUS, OFDM, network coverage
Document Type:
Technical Report
Organization / Institution:
3GPP
Author:
Moderator (Ericsson)
Target audience:
Companies in the telecommunications sector, researchers in 6G
Period of validity:
Ongoing study
Approval date:
Not specified
Modification date:
Not specified
Contextual description:
A technical report summarizing the discussions and proposals about the design of the Downlink Wake-Up Signal (DL WUS) for 6G, focusing on coverage improvements and performance benchmarks.
Year:
2026
Event:
3GPP TSG RAN WG1 #124
Location:
Gothenburg, Sweden
Dates:
February 9–13, 2026
Agenda Item:
10.6.2
Document Number:
R1-260XXXX
Title:
Summary #1 of uplink WUS and operation for 6GR
Source:
Moderator (LG Electronics)
Document For:
Discussion and decision
Organization:
3GPP TSG RAN WG1
Technical Domain:
Wireless telecommunications standardization
Technology Generation:
6G Research (6GR)
Topic:
Uplink Wake-Up Signal (UL WUS) scenarios and operation
Contributing Companies:
Nokia; Futurewei; Spreadtrum; Huawei; OPPO
Related Procedures:
PRACH; RACH; synchronization signal (SS/SSB); SIB acquisition
Network Concepts Discussed:
network energy saving; on-demand synchronization signals; dormant and semi-dormant cell operation; UE-triggered wake-up mechanisms
Year:
2026
Location:
Gothenburg, SE
Organization:
3GPP TSG RAN WG1
Document Type:
Meeting summary / technical discussion
Topic:
Uplink Wake-Up Signal (UL WUS) and 6GR network operation
Author / Source:
Moderator (LG Electronics)
Agenda Item:
10.6.2
Target Audience:
3GPP members, network engineers, telecom researchers
Contributors:
Nokia, Futurewei, Spreadtrum, Huawei, OPPO
Period of Application:
6GR study phase
Related Standards:
5G NR, 6GR, Rel-18, Rel-19
Decisions / Actions:
Proposals for study postponement, energy saving configurations, UL WUS procedures
Key Concepts:
UL WUS, PRACH, RACH, on-demand SSB, OD-SIB1, network energy saving, UE-triggered wake-up
Year:
2020
Location:
Online
Topic:
WUS last used cell behavior and solutions in RAN2
Document Type:
Meeting report
Organization:
3GPP TSG-RAN WG2
Authors:
Huawei, HiSilicon, Qualcomm, Ericsson, ZTE, Thales, Nokia
Target Audience:
RAN2, RAN3, SA2 members
Relevant Standards:
36.300, 36.304, 36.331
Release:
Rel-15, Rel-16
Deadline for Discussion:
25 August 2020, 11:00 UTC
Referenced Documents:
R2-2007334, R2-2007566, R2-2008457, S2-2006478, S2-2005078
Proposals Discussed:
Signal in RRCConnectionRelease, new ‘ConnectionRejection’ indication, WUS UE behavior modifications
Decision Required:
Selection of solution in RAN2 based on RAN3 and SA2 feedback
Summary:
Meeting report containing discussions and proposed solutions regarding the Wake Up Signal (WUS) behavior in NB-IoT/eMTC Release 15 networks, including evaluations by multiple companies and coordination with RAN3 and SA2, to determine the preferred approach for handling WUS last used cell scenarios.
Organization:
3GPP
Working Group:
TSG-RAN WG4
Meeting:
RAN4#112
Document Number:
R4-2413028
Location:
Maastricht, Netherlands
Meeting Dates:
19–23 August 2024
Source:
Huawei, HiSilicon
Agenda Item:
8.1.1.1.1
Document Status:
Approval
Topic:
PC1.5 intra-band uplink carrier aggregation
Technical Scope:
PCMAX and PCMAX,c definitions
UE Architectures:
Dual-PA, TxD (Dual Tx)
Standards Referenced:
TS 38.101-1
3GPP Release:
Release 19
Related Work Items:
Higher power UE, UE RF enhancements for NR FR1/FR2 and EN-DC
References:
R4-2410750, RP-240828
Year:
2021
Organization:
3GPP
Technical Group:
TSG RAN WG1
Release:
Rel-17
Meeting:
RAN WG1 #105-e e-Meeting
Meeting period:
May 10–27, 2021
Agenda item:
5.1
Source:
Moderator (China Telecom)
Document type:
Technical meeting contribution
Document purpose:
Discussion
Subject area:
NR uplink transmission, Tx switching, FR1
Related specifications:
TS 38.214
Scope limitations:
Co-located and synchronized network deployment; single TAG for UL carriers
Contributors:
China Telecom, CATT, Qualcomm, vivo, OPPO, ZTE, Huawei, HiSilicon, CMCC
Checkpoints:
May 21, May 25, May 27, 2021
Year:
2025
Region / City:
Dallas, USA
Topic:
5G Network, Uplink DM-RS, RACH-less LTM
Document Type:
Change Request
Organization / Institution:
3GPP TSG-RAN WG1
Author:
Ofinno
Target Audience:
Technical experts, network engineers, RAN professionals
Period of validity:
November 17th – 21st, 2025
Approval Date:
2025-11-19
Modification Date:
N/A
Year:
2026
Region / city:
Gothenburg, SE
Topic:
6G, Uplink transmission schemes, PUSCH
Document type:
Meeting agenda item summary
Organization:
3GPP TSG-RAN WG1
Author:
Moderator (Docomo), Moderator (Samsung)
Target audience:
3GPP members, telecommunication companies
Period of validity:
2026-2027
Date of approval:
Feb. 9th, 2026
Date of last change:
Feb. 9th, 2026
Year:
2026
Location:
Gothenburg, Sweden
Topic:
Uplink transmission schemes for mobile networks
Document type:
Technical meeting report
Organization:
3GPP TSG-RAN WG1
Authors:
Moderators from Docomo and Samsung
Intended audience:
Mobile network standardization participants
Agenda item:
10.5.2.3
Related releases:
NR Rel-15, Rel-18, Rel-19, 6G study
UE antenna ports discussed:
1, 2, 3, 4, 8
Maximum SU-MIMO layers discussed:
up to 8
Transmission schemes covered:
PUSCH, PUCCH, codebook-based PUSCH, SRS-based and CSI-RS based
Proposal status:
Discussion and decision points for 6GR development
Year:
2026
Region / City:
Gothenburg, SE
Theme:
6GR, Uplink WUS, Network Design
Document Type:
Meeting Agenda Summary
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (LG Electronics)
Target Audience:
3GPP Members, 6GR Researchers, Network Engineers
Period of Action:
February 9th ~ 13th, 2026
Approval Date:
N/A
Change Date:
N/A
Year:
2026
Region / City:
Gothenburg, SE
Topic:
6GR uplink WUS and operation
Document Type:
Meeting Summary
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (LG Electronics)
Target Audience:
3GPP members and contributors
Period of Action:
February 9th - 13th, 2026
Approval Date:
February 2026
Date of Changes:
N/A
Contextual Description:
Meeting summary discussing the proposed studies and design considerations for uplink WUS and its integration into 6GR networks.
Year:
2026
Location:
Gothenburg, Sweden
Organization:
3GPP TSG RAN WG1
Document type:
Meeting summary / Technical discussion
Agenda item:
10.6.2
Source:
Moderator (LG Electronics)
Target audience:
3GPP members and contributors
Topics:
UL WUS scenarios, 6GR network operation, on-demand SSB and SIB1, energy saving mechanisms
Companies involved:
Nokia, Futurewei, Spreadtrum, Huawei, OPPO
Proposals:
Multiple study and design proposals for UL WUS and related procedures
Context:
Technical document summarizing contributions and proposals regarding uplink wake-up signals, synchronization, and energy-saving mechanisms for 6GR networks in a 3GPP working group meeting
Year:
2026
Region / City:
Gothenburg, SE
Topic:
Uplink WUS and operation for 6GR
Document Type:
Summary
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (LG Electronics)
Target Audience:
3GPP participants
Action:
Discussion and decision
Period of Validity:
February 9th ~ 13th, 2026
Approval Date:
Not specified
Modification Date:
Not specified
Context:
This is a summary document for agenda item 10.6.2 discussing the uplink WUS and its operation, with input from various companies like Nokia, Huawei, and OPPO, outlining observations, proposals, and ongoing studies for 6G design.
Year:
2026
Region / City:
Gothenburg, SE
Topic:
Uplink transmission schemes
Document Type:
Summary of contributions
Organization / Institution:
3GPP TSG-RAN WG1
Author:
Moderator (Docomo), Moderator (Samsung)
Target Audience:
3GPP participants and stakeholders
Effective Period:
February 9th - 13th, 2026
Approval Date:
February 9th, 2026
Amendment Date:
Not specified
Document Version:
R1-2601228
Agenda Item:
10.5.2.3
Keywords:
Uplink, PUSCH, MIMO, antenna ports, transmission scheme