№ files_lp_3_process_7_090659
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Formal technical change request to 3GPP TS 38.133 specifying corrections to Rel-19 mobility RRM requirements for CSI-RS based L1-RSRP measurements, including applicability conditions, measurement periods, and parameter definitions in clause 9.14a.5.
Meeting:
3GPP TSG-RAN4 Meeting #116bis
Location:
Prague, Czech Republic
Meeting Date:
13–17 October 2025
Specification:
3GPP TS 38.133
Current Version:
19.2.0
CR Number:
R4-2513488
CR Form Version:
CR-Form-v12.3
Category:
F (correction)
Release:
Rel-19
Work Item Code:
NR_Mob_Ph4-Core
Title:
Corrections on R19 mobility RRM
Source to WG:
Huawei, HiSilicon
Source to TSG:
R4
Date:
22 September 2025
Affected Clause:
9.14a.5
Other Affected Specification:
TS 38.533
Proposed Change Affects:
ME, Radio Access Network
Reason for Change:
Correct some incorrect or redundant content
Summary of Change:
Correction of incorrect or redundant requirements related to CSI-RS based L1-RSRP measurements
Consequences if Not Approved:
Requirements of CSI-RS based L1 measurement on candidate cells remain incorrect
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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
Year:
2020
Date:
2020-10-20
Organization:
3rd Generation Partnership Project
Working Group:
TSG-RAN WG4
Meeting:
3GPP TSG-RAN WG4 Meeting #97-e (Electronic Meeting, 2–13 Nov 2020)
Specification:
3GPP TS 38.133
Specification Version:
16.5.0
Related Specification:
3GPP TS 38.533
Release:
Rel-16
Category:
B (addition of feature)
Work Item Code:
5G_V2X_NRSL-Perf
Source Organization:
LG Electronics
Technical Domain:
5G NR radio performance and conformance testing
Technology Context:
NR V2X sidelink communication
Document Type:
Change request
Affected Clause:
A.9.1.2
Test Focus:
Initiation and cease of SLSS transmission
Applicable Equipment:
V2X-capable user equipment supporting NR Uu and sidelink operation
Test Environment:
FR1 NR cell used as synchronization reference source under non-DRX conditions
Year:
2021
Region / city:
N/A
Topic:
Telecommunications, Network Testing
Document type:
Change Request (CR)
Organization / institution:
3GPP
Author:
CMCC, Apple, Intel
Target audience:
Technical experts in network testing and telecommunications
Period of validity:
N/A
Approval date:
2021-10-20
Date of changes:
N/A
Category:
F
Release:
Rel-15
Reason for change:
Core requirements of interruption at active BWP switching for NE-DC are missing test cases.
Clauses affected:
A.3.13B, A.3A.7, A.4A
Other affected specs:
TS38.533
Test specifications:
TS38.533
O&M Specifications:
N/A
Year:
2026
Date:
2026-01-29
Meeting:
3GPP TSG-RAN4 Meeting #118
Meeting location:
Gothenburg Metropolitan Area, Sweden
Meeting dates:
9–13 February 2026
Specification:
3GPP TS 38.133
Current specification version:
19.3.0
Release:
Rel-19
Change Request number:
R4-2600559
Category:
B (addition of feature)
Work item code:
NR_Mob_Ph4-Perf
Source to Working Group:
Apple
Source to TSG:
R4
Technical domain:
Radio Access Network
Affected clauses:
New section A.7.7.15.2
Related test specification:
TS 38.533
Technology:
5G NR
Subject:
CSI-RS based L1-RSRP measurement accuracy for neighbour cells
Frequency range:
FR2
Measurement type:
CSI-RS based L1-RSRP
Test configuration:
NR cells with periodic reporting and CSI-RS measurements
Test environment:
AWGN propagation conditions with TDD configuration
Document type:
Technical change request
Year:
2020
Region / City:
Online
Topic:
Telecommunications, Network Standards
Document Type:
Change Request
Organization / Institution:
3GPP
Author:
Apple
Target Audience:
Technical Working Group, Standardization Bodies, Engineers
Period of Validity:
Not specified
Approval Date:
2020-07-31
Modification Date:
Not specified
Year:
2022
Region / City:
Electronic Meeting
Topic:
RRM relaxation for Redcap
Document Type:
Technical Report
Organization / Institution:
3GPP TSG-RAN WG4
Author:
Xusheng Wei
Target Audience:
RAN2
Effective Period:
January 2022
Approval Date:
17 Jan. 2022
Modification Date:
Not specified
Related Release:
Release 17
Work Item:
NR_redcap-Core
Attachments:
None
Description:
Document describes the RRM relaxation requirements for Redcap UE in idle and inactive modes, specifying the criteria for Release 17 and seeking RAN2’s feedback on the methodology.
Organization:
3GPP TSG-RAN WG4
Meeting:
RAN4#101-bis-e
Document Number:
R4-22XXXX
Meeting Type:
Electronic Meeting
Date:
January 17–25, 2022
Agenda Items:
6.20.3.2; 6.20.3.3
Source:
vivo
Subject:
eDRX and RRM measurement relaxations requirements for NR RedCap UE
Document For:
Approval
Technology:
NR (New Radio)
Frequency Ranges:
FR1, FR2
Topic:
Extended DRX enhancements and RRM measurement requirements
Status:
Agreements and tentative agreements recorded
Year:
2026
Region / City:
Gothenburg, Sweden
Topic:
5G, Radio Access Network, LP WUR
Document Type:
Change Request
Organization:
3GPP TSG-RAN WG4
Author:
OPPO, Huawei, HiSilicon, vivo
Target Audience:
Technical experts in 5G, Radio Access Networks
Period of validity:
Until completion of specifications
Approval Date:
2026-01-30
Modification Date:
None
Release:
Rel-19
Change Type:
F (correction)
Work Item Code:
NR_LPWUS-Core
Affected Clauses:
4.8.2.2, 4.8.2.3.2
Related Specifications:
TS 38.306
Other Comments:
None
Year:
2023
Region / City:
Electronic Meeting
Topic:
NR FR2 multi-Rx chain DL reception
Document Type:
Meeting document
Organization:
3GPP TSG-RAN WG4
Source:
vivo
Target Audience:
RAN4 working group members
Approval:
Pending
Agenda Item:
5.8.5
Period of Validity:
April 17th ‒ 26th, 2023
Date of Approval:
Pending
Date of Changes:
None
Issues Discussed:
RRM requirements for single carrier and simultaneous reception
Document Purpose:
To define RRM requirements for NR FR2 multi-Rx chains DL reception
Context:
The document outlines RRM requirements and issues for multi-Rx chain DL reception in NR FR2 scenarios.
Year:
2022
Meeting:
3GPP TSG-RAN WG4 #101bis-e
Document type:
Change Request (CR)
Work item code:
NR_MG_ehn-core
Source organizations:
Intel, MediaTek
Affected network areas:
UICC apps, ME, Radio Access Network, Core Network
Category:
B (addition of feature)
Release:
Rel-17
Date:
2022-01-25
Clauses affected:
3.38.18.2.28.58.14 (new), 9.1.2A(new), 9.1.2B(new), 9.1.2C(new), 9.1.59.1.5.19.1.5.2, 9.1.5.3(new), 9.2.59.2.6, 9.2.7(new), 9.3.49.3.59.3.9, 9.3.10(new), 9.49.5.49.5A.49.99.10.2.59.10.3
Consequences if not approved:
NR positioning measurement accuracy requirements and NR positioning test cases will not be specified
Revision history:
Based on draft CR endorsed in R4-2017373 at RAN4#97-e
Year:
2026
City:
Gothenburg
Country:
Sweden
Event:
3GPP TSG‑RAN WG4 Meeting #118
Organization:
3rd Generation Partnership Project
Working Group:
RAN WG4
Agenda item:
8.1
Source:
Feature lead (Apple)
Company:
Apple Inc.
Document number:
R4-2602146
Document type:
Meeting minutes
Technical domain:
6G radio resource management (RRM)
Related study topics:
Gap-less measurement design; Unified measurements; UE group for RRM
Frequency range references:
FR1 and FR2
Standardization context:
6G study and framework discussion within RAN4
Meeting date:
February 9–13, 2026
Year:
2026
Location:
Gothenburg, Sweden
Document type:
Meeting minutes
Organization:
3GPP TSG-RAN WG4
Source:
Apple (Feature lead)
Target audience:
3GPP working group members
Agenda item:
8.1
Topics covered:
Gap-less measurement scenarios, unified measurements, UE grouping for RRM, measurement procedures, interruption and delay considerations
Companies supporting:
Xiaomi, CMCC, OPPO, Samsung, Apple, Nokia, CATT, MTK, LGE, Ericsson, vivo, ZTE
Companies expressing concerns:
QC, MTK, LGES, HW, Ericsson, ZTE, vivo
Period covered:
Feb 9–13, 2026
Year:
2026
Region / City:
Gothenburg, Sweden
Topic:
6G RRM (Radio Resource Management)
Document Type:
Meeting Minutes
Organization:
3GPP TSG-RAN WG4
Author:
Feature lead (Apple)
Target Audience:
Technical experts, 3GPP members, telecommunications engineers
Action Required:
Approval
Study Period:
Feb 9 – 13, 2026
Date of Approval:
To be decided
Date of Modifications:
To be decided
Year:
2024
Location:
Maastricht, Netherlands
Meeting:
TSG-RAN WG4 #112
Topic:
RRM requirements for 6Rx capable UE in NR FR1/FR2 and EN-DC
Document type:
Meeting summary / Technical report
Source:
Moderator (Huawei, HiSilicon)
Contributors:
Nokia, Nokia Shanghai Bell; Huawei, HiSilicon; Ericsson
Agenda item:
8.1.3
Discussion period:
19–23 August 2024
RAN version:
R19
Technical focus:
Antenna switching, RLM/BFD testing, UE power support
Outstanding issues:
Cell identification delay, measurement delay, mobility, SRS interruption, RRM performance, SNR levels
Year:
2021
Region / City:
Global
Theme:
NR Positioning RRM Requirements
Document Type:
Meeting Report
Organization:
3GPP TSG RAN WG4
Author:
Moderator (Intel Corporation)
Target Audience:
3GPP participants, RAN4 Working Group members
Effective Period:
May 19-27, 2021
Approval Date:
Not specified
Revision Date:
Not specified
Organization:
3rd Generation Partnership Project (3GPP)
Working Group:
TSG-RAN WG4
Meeting:
TSG-RAN WG4 Meeting #106-bis-e
Meeting Format:
Electronic Meeting
Meeting Date:
17–26 April 2023
Agenda Item:
5.8.5
Source Company:
vivo
Document Status:
Document for Approval
Technical Domain:
NR FR2 Radio Resource Management
Topic:
General aspects of multi-Rx chain downlink reception
Sub-topic:
Scope and scenarios
Technology Standard:
5G New Radio (NR)
Technical Focus:
Multi-Rx chain reception, simultaneous reception scenarios, UE architectures, beam management, and RRM requirements
Contributing Companies:
Nokia, Huawei, LG Electronics
Discussion Context:
Work item on NR FR2 multi-receiver chain downlink reception RRM requirements
Year:
2026
Location:
Gothenburg, Sweden
Event:
3GPP TSG-RAN WG4 Meeting #118
Agenda item:
7.13.1
Topic:
NR_Mob_Ph5_RRM
Subject area:
NR mobility enhancements Phase 5 radio resource management
Technical domain:
5G NR radio access network
Document type:
Meeting contribution summary
Organization:
3GPP TSG RAN WG4
Source:
Moderator (OPPO)
Contributing companies:
Apple; Lenovo; CATT; Xiaomi; Huawei; HiSilicon
Related meetings:
3GPP RAN4 #118, #118bis, #119, #120, #120bis, #121, #122
Referenced specification:
TS 38.133
Document purpose:
Information
Date:
February 2026
Year:
2026
Region / city:
Gothenburg, Sweden
Topic:
Radio Access Network, AI/ML support, NR Air Interface
Document type:
Change Request
Source organization:
vivo
Target organization:
3GPP TSG
Work item code:
NR_AIML_air-Core
Period of validity:
Release 19
Approval date:
2026-01-27
Modification date:
Not specified
Clauses affected:
8.10.2A
Test specifications affected:
TS 38.533
Category:
F
Release:
Rel-19
Reason for change:
Missing scenario for RS resource corresponding to the target TCI state
Description:
A change request to introduce a missing scenario for the RS resource in TCI state with beam prediction.