№ files_lp_4_process_3_127029
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This document is a change request to introduce relaxed accuracy requirements for CSI-RS based L1-RSRP and L1-SINR measurements in SBFD scenarios, as part of the NR duplex evolution for Rel-19.
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
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Feature Lead Summary on L1-SINR and SCell BFR email thread #1
Year: 2020
Region / City: e-Meeting
Topic: 5G NR L1-SINR and SCell Beamforming Reports
Document Type: Meeting Contribution
Organization / Institution: 3GPP TSG RAN WG1
Author: Moderator (Apple)
Target Audience: Technical specialists and engineers in wireless communications
Effective Period: May 25th– June 5th, 2020
Approval Date: Not provided
Modification Date: Not provided
Note: Context
WF on use of NCD-SSB and CSI-RS for RedCap UE
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.
Extension of CSI-RS capabilities per codebook type in 3GPP Release 16
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
CSI-RS based L1-RSRP accuracy requirements for neighbour cell in FR1 with periodic reporting for FR2 — Change Request for 3GPP TS 38.133 (Rel-19), January 2026
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
Agreement for L1-RSRP, Consideration of Measurement/Reporting Enhancement to Facilitate Inter-TRP Beam Pairing
Note: Year
Topic: Beam Management
Document Type: Agreement
Organization / Institution: RAN1
Draft CR on test case for inter-frequency SSB based L1-RSRP measurement without MG with event triggered reporting
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
CSI-RS based L1-RSRP accuracy requirements for neighbour cell in FR1 with periodic reporting for FR2 — Change Request for 3GPP TS 38.133 (Rel-19), January 2026
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
Topics: L1-SINR CSI-RS L1-RSRP