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  ITU-T A.5 justification information for referenced document ETSI TS 128 552 V18.12.0 (2026-02) in draft L.1331
1. Clear description of the referenced document:
Name: ETSI TS 128 552 V18.12.0 (2026-02)
Title: 5G; Management and orchestration; 5G performance measurements (3GPP TS 28.552 version 18.12.0 Release 18)
2. Status of approval:
Approved.
3. Justification for the specific reference:
Needed for implementation of the Rec.
4. Current information, if any, about IPR issues:
See ETSI IPR policy: https://www.etsi.org/resources/intellectual-property-rights/
5. Other useful information describing the "Quality" of the document:
Well known spec developed by 3GPP.
6. The degree of stability or maturity of the document:
Mature.
7. Relationship with other existing or emerging documents:
None
8. Any explicit references within that referenced document should also be listed:
[1] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications". [2] Void. [3] 3GPP TS 32.404: "Performance Management (PM); Performance measurements - Definitions and template". [4] 3GPP TS 23.501: "System Architecture for the 5G System". [5] IETF RFC 5136: "Defining Network Capacity". [6] 3GPP TS 38.473: "NG-RAN; F1 Application Protocol (F1AP)". [7] 3GPP TS 23.502: "Procedures for the 5G System". [8] 3GPP TS 28.554: "Management and orchestration; 5G end to end Key Performance Indicators (KPI)". [9] 3GPP TS 32.425: "Performance Management (PM); Performance measurements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN)". [10] 3GPP TS 32.451: "Key Performance Indicators (KPI) for Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Requirements". [11] 3GPP TS 38.413: "NG-RAN; NG Application Protocol (NGAP)". [12] Void. [13] 3GPP TS 38.423: "NG-RAN; Xn Application Protocol (XnAP)". [14] 3GPP TS 29.502: "5G System; Session Management Services; Stage 3". [15] Void. [16] 3GPP TS 29.244: "Technical Specification Group Core Network and Terminals; Interface between the Control Plane and the User Plane Nodes; Stage 3". [17] ETSI GS NFV-IFA027 v2.4.1: "Network Functions Virtualisation (NFV); Management and Orchestration; Performance Measurements Specification". [18] Void. [19] 3GPP TS 38.214: "NR; Physical layer procedures for data". [20] 3GPP TS 38.331: "NR; Radio Resource Control (RRC); Protocol specification". [21] 3GPP TS 29.518: "5G System; Access and Mobility Management Services; Stage 3". [22] 3GPP TS 29.413: "Application of the NG Application Protocol (NGAP) to non-3GPP access". [23] 3GPP TS 29.122: "Technical Specification Group Core Network and Terminals; T8 reference point for Northbound APIs". [24] 3GPP TS 24.501: "Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3". [25] ETSI ES 202 336-12 V1.2.1: "Environmental Engineering (EE); Monitoring and control interface for infrastructure equipment (power, cooling and building environment systems used in telecommunication networks); Part 12: ICT equipment power, energy and environmental parameters monitoring information model". [26] 3GPP TS 28.541: "Management and orchestration; 5G Network Resource Model (NRM); Stage 2 and stage 3". [27] 3GPP TS 29.274: "Evolved General Packet Radio Service (GPRS); Tunnelling Protocol for Control plane (GTPv2-C); Stage 3". [28] 3GPP TS 29.510: "5G System; Network function repository services; Stage 3". [29] 3GPP TS 38.314: "NR; layer 2 measurements". [30] 3GPP TS 28.313: "Self-Organizing Networks (SON) for 5G networks". [31] 3GPP TS 38.415: "NG-RAN; PDU session user plane protocol". [32] 3GPP TS 38.321: " NR; Medium Access Control (MAC) protocol specification". [33] 3GPP TS 38.214: "NR; Physical layer procedures for data". [34] 3GPP TS 38.215: "NR; Physical layer measurements". [35] 3GPP TS 38.133: "NR; Requirements for support of radio resource management". [36] 3GPP TS 33.501: "Security architecture and procedures for 5G system". [37] 3GPP TS 38.304: "NR; User Equipment (UE) procedures in Idle mode and RRC Inactive state". [38] Void. [39] 3GPP TS 29.507: "5G System; Access and Mobility Policy Control Service; Stage 3". [40] 3GPP TS 29.512: "5G System; Session Management Policy Control Service; Stage 3". [41] 3GPP TS 29.531: "5G System; Network Slice Selection Services". [42] 3GPP TS 29.281: "General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U)". [43] 3GPP TS 29.540: "5G System; SMS Services; Stage 3". [44] 3GPP TS 29.522: "5G System; Network Exposure Function Northbound APIs; Stage 3". [45] GPP TS 29.541: "5G System; Network Exposure FunctionServices for Non-IP Data Delivery (NIDD); Stage 3". [46] 3GPP TS 23.503: "Policy and charging control framework for the 5G System (5GS); Stage 2". [47] 3GPP TS 29.504: "5G System; Unified Data Repository Services; Stage 3". [48] 3GPP TS 29.554: "5G System; Background Data Transfer Policy Control Service; Stage 3". [49] 3GPP TS 38.300: "NR and NG-RAN Overall description; Stage-2". [50] Void. [51] 3GPP TS 29.503: "5G System; Unified Data Management Services; Stage 3". [52] GPP TS 23.558: "Architecture for enabling Edge Applications". [53] GPP TS 23.273: "5G System (5GS); Location Services (LCS); Stage 2". [54] 3GPP TS 29.572: "5G System (5GS); Location Management Services; Stage 3". [55] Void. [56] 3GPP TS 38.425: "NG-RAN; NR User plane protocol". [57] 3GPP TS 36.425: "(E-UTRAN); X2 interface user plane protocol". [58] GPP TS 29.520: "5G System; Network Data Analytics Services; Stage 3". [59] 3GPP TS 23.288: "Architecture enhancements for 5G System (5GS) to support network data analytics services". [60] 3GPP TS 37.340: "NR; Multi-connectivity; Overall description; Stage-2". [61] Void. [62] GPP TS 28.532: "Management and orchestration; Generic management services". [63] 3GPP TS 28.318: "Management and Orchestration; Network and Service Operations for Energy Utilities (NSOEU)". [64] GPP TS 38.213: "NR;Physical layer procedures for control". [65] 3GPP TS 28.622: "Generic Network Resource Model (NRM) Integration Reference Point (IRP); Information Service (IS)". [66] 3GPP TS 23.527: "5G System; Restoration procedures ". [67] GPP TS 32.426: " Telecommunication management; Performance Management (PM); Performance measurements Evolved Packet Core (EPC) network". [68] ITU-T Y.1540: "Internet protocol data communication service - IP packet transfer and availability performance parameters".
9. Qualification of ETSI:
ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
10. Other (for any supplementary information):
Note: This form is based on Recommendation ITU-T A.5