№ files_lp_3_process_7_050961
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Formal change request within the 3GPP standardization process amending headings and applicability conditions of OBUE requirement tables in TS 37.105 for Rel-15 to align terminology and structure for MSR and AAS Base Station emission limits.
Year: 2021
Date: 2021-02-04
Organization: 3GPP
Technical Body: TSG-RAN WG4
Meeting: TSG-RAN WG4 Meeting #98-e
Specification: 3GPP TS 37.105
Current Version: 15.11.0
Release: Rel-15
Work Item Code: TEI15
Category: F (correction)
Source to WG: Ericsson
Source to TSG: R4
Affected Clauses: 6.6.5.2.2, 6.6.5.2.3, 9.7.5.2.2, 9.7.5.2.3
Affected Specifications: 37.145-1, 37.145-2
Subject: OBUE table headings and applicability for Band Categories 1 and 3
Technical Scope: Operating Band Unwanted Emission (OBUE) requirements for MSR and AAS Base Stations
Reason for Change: Ambiguity and inconsistency in OBUE applicability table headings
Consequences if Not Approved: Continued ambiguity and incomplete or incorrect OBUE table headings
Revision History: Rev1 – correction of BC3 applicability and addition of “or” in penultimate BS type
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CR to 37.145-1 on OBUE table headings and applicability
Year: 2021
Region / City: N/A
Topic: Technical specifications
Document type: Change request
Organization / Institution: 3GPP
Author: Ericsson
Target audience: 3GPP Working Group
Effective period: N/A
Approval date: 2021-02-04
Modification date: N/A
Summary of changes: Correction of ambiguous and inconsistent OBUE table headings
Impact of non-approval: OBUE table headings would remain ambiguous, incomplete, or incorrect
Clauses affected: 6.6.5.5.2, 6.6.5.5.3
Other specifications affected: 37.145-2, 37.105
Category: F (correction)
Release: Rel-15
Context description: This document is a change request for technical specifications regarding the clarification and correction of OBUE table headings in the 3GPP standards.
Change Request 0934 Rev.1 to 3GPP TS 37.104 Rel-15 on OBUE Table Headings and Applicability (2021-02-04)
Organization: 3rd Generation Partnership Project
Working Group: 3GPP TSG-RAN WG4
Meeting: TSG-RAN WG4 Meeting #98-e
Document Number: R4-2103883
Specification: 3GPP TS 37.104
Current Version: 15.12.0
Change Request: CR 0934 Rev.1
Release: Rel-15
Category: F (correction)
Work Item Code: TEI15
Source to WG: Ericsson
Source to TSG: R4
Date: 2021-02-04
Affected Clauses: 3.3; 6.6.2.1; 6.6.2.2
Related Specification: 3GPP TS 37.141
Subject: OBUE table headings and applicability alignment
Technical Domain: Radio Access Network
Abbreviations Included: OBUE; UEM; BS; NR; NB-IoT; GSM; EDGE; RAT; BC; RF
CR to 37.105: Removal of UTRA TDD from MSR BS specifications
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
CR to 3GPP TS 37.105: Removal of UTRA TDD from AAS BS specifications, February 2026
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
Topics: 0227 OBUE 37105