№ files_lp_4_process_3_127045
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Technical change request defining new test cases and parameters for verifying CSI-RS based L1-RSRP measurement accuracy for neighbour cells in 5G NR FR2 within 3GPP TS 38.133 Release 19.
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
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Year:
2022
Region / city:
Electronic Meeting
Topic:
Telecommunications
Document type:
Technical Meeting Report
Organization / institution:
3GPP TSG-RAN WG4
Author:
Not specified
Target audience:
Professionals in telecommunications and network technology
Period of validity:
January 17-25, 2022
Approval date:
Not specified
Date of changes:
Not specified
Context:
Technical document detailing agreements on the use of NCD-SSB and CSI-RS for RedCap UE, discussed during the 3GPP TSG-RAN WG4 meeting.
Year:
2020
Organization:
3GPP TSG-RAN2
Source:
NTT DOCOMO, INC.
Document type:
Change Request (CR)
Work item code:
NR_newRAT-Core, TEI16
Category:
C (functional modification of feature)
Release:
Rel-16
Date submitted:
2020-02-13
Meeting:
TSG-RAN2 Meeting #109-e
Affected specifications:
TS 38.331, TS 38.306
Clauses affected:
6.3.3
Scope:
Radio Access Network, UICC apps, ME
Revision history included:
Yes
Year:
2026
Region / City:
Gothenburg, Sweden
Topic:
Accuracy requirements for CSI-RS based L1-RSRP and L1-SINR
Document Type:
Change Request
Organization:
3GPP
Author:
OPPO
Target Audience:
3GPP members, radio network engineers, and standardization bodies
Period of Validity:
Until approval
Approval Date:
Not specified
Modification Date:
Not specified
Release:
Rel-19
Work Item Code:
NR_duplex_evo-Perf
Category:
B (Addition of feature)
Affected Clauses:
10.1.19.2, 10.1.20.2, 10.1.27, 10.1.28
Other Specifications Affected:
TS 38.533
Test Specifications Affected:
TS/TR ... CR
Other Core Specifications Affected:
Not specified
Other Comments:
Revision history included
Note:
Year
Topic:
Beam Management
Document Type:
Agreement
Organization / Institution:
RAN1
Year:
2026
Region / City:
Gothenburg, Sweden
Topic:
Accuracy requirements for CSI-RS based L1-RSRP and L1-SINR
Document Type:
Change Request
Organization:
3GPP
Author:
OPPO
Target Audience:
3GPP members, radio network engineers, and standardization bodies
Period of Validity:
Until approval
Approval Date:
Not specified
Modification Date:
Not specified
Release:
Rel-19
Work Item Code:
NR_duplex_evo-Perf
Category:
B (Addition of feature)
Affected Clauses:
10.1.19.2, 10.1.20.2, 10.1.27, 10.1.28
Other Specifications Affected:
TS 38.533
Test Specifications Affected:
TS/TR ... CR
Other Core Specifications Affected:
Not specified
Other Comments:
Revision history included
Year:
2026
Location:
Gothenburg Metropolitan Area, SE
Document type:
Change Request
Organization:
3GPP TSG-RAN WG4
Author:
CATT
Work item code:
NR_Mob_Ph4-Perf
Release:
Rel-19
Category:
B
Date issued:
2026-01-30
Clauses affected:
A.6.6.28.2
Proposed change:
Addition of test case for inter-frequency L1-RSRP measurement without measurement gap with event-triggered reporting
Target audience:
Network equipment vendors, test engineers
Test configurations:
NR 15 kHz SSB SCS, 10 MHz bandwidth FDD/TDD; NR 30 kHz SSB SCS, 40 MHz bandwidth TDD
Measurement type:
L1-RSRP
Reporting type:
Event-triggered or periodic
Test duration:
T1 = 0.3 s, T2 = 0.5 s
Propagation condition:
AWGN
Reference specifications:
3GPP TR 21.900, clause 9.15.6
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
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
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