ETSI TS 128 627-2018 Universal Mobile Telecommunications System (UMTS) LTE Telecommunication management Self-Organizing Networks (SON) Policy Network Resource Model (NRM) Integrati.pdf

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1、 ETSI TS 128 627 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); LTE; Telecommunication management; Self-Organizing Networks (SON) Policy Network Resource Model (NRM) Integration Reference Point (IRP); Requirements (3GPP TS 28.627 version 15.0.0 Release 15) TECHNICAL SPECIFICATI

2、ON ETSI ETSI TS 128 627 V15.0.0 (2018-07)13GPP TS 28.627 version 15.0.0 Release 15Reference RTS/TSGS-0528627vf00 Keywords LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but

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9、 owned by the GSM Association. ETSI ETSI TS 128 627 V15.0.0 (2018-07)23GPP TS 28.627 version 15.0.0 Release 15Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential

10、 IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are

11、 available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) whi

12、ch are, or may be, or may become, essential to the present document. Trademarks The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and

13、conveys no right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by

14、 ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between G

15、SM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of t

16、he ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 128 627 V15.0.0 (2018-07)33GPP TS 28.627 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2

17、g3Modal verbs terminology 2g3Foreword . 5g3Introduction 5g31 Scope 6g32 References 6g33 Definitions and abbreviations . 6g33.1 Definitions 6g33.2 Abbreviations . 7g34 Concepts and background 7g34.1 Overview 7g34.2 Self-Optimization Concept . 9g34.2.1 Logical Function Blocks . 9g34.2.1.1 Self-Optimiz

18、ation Input Monitoring Function (SO_MON_F) 9 g34.2.1.2 Triggering Optimization Function (TG_F) . 9g34.2.1.3 Optimization Fallback Function (O_FB_F) 9g34.2.1.4 Self-Optimization Progress Update Function (SO_PGS_UF) . 9g34.2.1.5 NRM IRP Update Function (NRM_UF) . 9g34.2.1.6 Self-Optimization Monitorin

19、g and Management Function (SO_MMF) . 9g34.2.1.6.1 Self-Optimization Monitoring and Management Function (SO_MMF_NM) . 9g34.2.1.6.2 Self-Optimization Monitoring and Management Function (SO_MMF_EM) 9g34.2.1.7 Load Balancing Function (LB_F) . 9g34.2.1.8 Interference Control Function (IC_F) . 10g34.2.1.9

20、 Coverage and Capacity Function (CC_F) . 10g34.2.1.10 RACH Optimization Function (RACH_F) 10g34.2.1.11 HandOver Optimization Function (HO_F) . 10g34.2.1.12 NM centralized Coverage and Capacity Function (CC_F_NM) . 10g34.2.1.13 Self-Optimization for AAS Function (SO_AAS_F) . 10g34.3 SON Coordination

21、Concepts 10g35 Business level requirements . 10g35.0 General . 10g35.1 Requirements 11g35.1.1 Self-Optimization Monitoring and Management 11g35.1.2 Load Balancing . 11g35.1.3 Handover (HO) Parameter optimization . 11g35.1.4 Interference control . 12g35.1.5 Coverage and Capacity optimization 12g35.1.

22、6 RACH optimization 12g35.1.7 SON Coordination 12g35.1.8 Active Antenna System (AAS) management 13g35.2 Actor roles 13g35.3 Telecommunications Resources . 13g35.4 High-Level use case . 13g35.4.1 Load Balancing . 13g35.4.2 Interference control . 15g35.4.3 Coverage and capacity optimization . 16g35.4.

23、4 NM centralized Coverage and Capacity Optimization . 18g35.4.4.0 General 18g35.4.4.1 Use case 1: Cell coverage adapting to traffic demand. 18g35.4.4.2 Use case 2: Coverage and accessibility . 18g35.4.4.3 Use case 3: LTE coverage holes with underlaid UTRAN/GERAN 18g3ETSI ETSI TS 128 627 V15.0.0 (201

24、8-07)43GPP TS 28.627 version 15.0.0 Release 155.4.4.4 Use case 4: LTE Connection failure . 19g35.4.4.5 Use case 5: Radio link quality . 21g35.4.5 SON for AAS 21g35.4.5.1 General 21g35.4.5.2 Use case 1: Cell splitting . 21g35.4.5.3 Use case 2: Cell Merging 22g35.4.5.4 Use case 3: Cell Shaping . 22g36

25、 Specification level requirements 22g36.1 Requirements 22g36.1.1 Self-Optimization Monitoring and Management 22g36.1.1.1 Management Part 22g36.1.2 Load Balancing . 23g36.1.3 Handover (HO) Parameter optimization . 23g36.1.3.1 HO failure categorization 23g36.1.3.1.1 HO failures due to too late and too

26、 early HO triggering 23g36.1.3.2 Reducing inefficient use of network resources due to unnecessary HOs 25g36.1.3.3 Requirements 26g36.1.4 Interference control 26g36.1.5 Coverage and capacity optimization . 26g36.1.6 RACH optimization 26g36.1.7 SON Coordination 26g36.1.8 NM centralized coverage and ca

27、pacity optimization 27g36.1.9 AAS management . 27g36.2 Actor roles 27g36.3 Telecommunications Resources . 27g36.4 Use case 28g36.4.1 Use case Self-Optimization Monitoring and Management . 28g36.4.2 Use case Load Balancing Allowed/Prohibited Management 28g36.4.3 Use case NM centralized Coverage and C

28、apacity Optimization 30g37 Functions and Architecture 31g37.1 Self-Optimization Logical Architecture . 31g37.2 Self-Optimization Reference Model . 31g3Annex A (informative): Steps for SON self-optimization Technical Specifications . 32g3Annex B (informative): General descriptions related to NM centr

29、alized CCO high level use cases . 33g3B.1 General . 33g3B.2 Monitoring of UE distribution 34g3Annex C (informative): Change history . 36g3History 37g3ETSI ETSI TS 128 627 V15.0.0 (2018-07)53GPP TS 28.627 version 15.0.0 Release 15Foreword This Technical Specification has been produced by the 3rdGener

30、ation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date

31、and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical

32、 enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. Introduction The present document is part of a TS-family covering the 3rdGeneration Partnership Project Technical Specification Group Services and System Asp

33、ects, Telecommunication management; as identified below: 28.627: “Self-Organizing Networks (SON) Policy Network Resource Model (NRM) Integration Reference Point (IRP): Requirements” 28.628: “Self-Organizing Networks (SON) Policy Network Resource Model (NRM) Integration Reference Point (IRP): Informa

34、tion Service (IS)” 28.629: “Self-Organizing Networks (SON) Policy Network Resource Model (NRM) Integration Reference Point (IRP): Solution Set (SS) definitions” ETSI ETSI TS 128 627 V15.0.0 (2018-07)63GPP TS 28.627 version 15.0.0 Release 151 Scope The present document describes concept and requireme

35、nts of SON Policy management for Self-Optimization and SON coordination. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. - References are either specific (identified by date of publication, edition number,

36、version number, etc.) or non-specific. - For a specific reference, subsequent revisions do not apply. - For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version

37、 of that document in the same Release as the present document. 1 3GPP TS 32.101: “Telecommunication management; Principles and high level requirements“. 2 3GPP TS 32.102: “Telecommunication management; Architecture“. 3 3GPP TS 32.150: “Telecommunication management; Integration Reference Point (IRP)

38、Concept and definitions“. 4 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 5 3GPP TS 32.600: “Telecommunication management; Configuration Management (CM); Concept and high-level requirements“. 6 3GPP TS 28.620: “Telecommunication management; Fixed Mobile Convergence (FMC) Federated Network In

39、formation Model (FNIM) Umbrella Information Model (UIM)“. 7 3GPP TS 37.320: “Universal Terrestrial Radio Access (UTRA) and Evolved Universal Terrestrial Radio Access (E-UTRA); Radio measurement collection for Minimization of Drive Tests (MDT); Overall description; Stage 2“. 8 3GPP TS 36.133: “Evolve

40、d Universal Terrestrial Radio Access (E-UTRA); Requirements for support of radio resource management“. 9 3GPP TS 36.213: “Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer procedures“. 10 3GPP TS 36.321: “Evolved Universal Terrestrial Radio Access (E-UTRA); Medium Access Control (M

41、AC) protocol specification“. 11 3GPP TS 36.214: “Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer; Measurements“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in 3GPP TS 32.101 1, 3GPP TS 32.102 2, 3GPP T

42、S 32.150 3 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TS 32.101 1, TS 32.102 2, TS 32.150 3 and TR 21.905 4, in that order. ETSI ETSI TS 128 627 V15.0.0 (2018-07)73GPP TS 28.627 version 15.0.0 Release 15Target: Ta

43、rget provides a clear basis for assessing performance of self-optimization functions. Targets need to be carefully specified in terms of a series of performance measurements and/or KPIs, which can be specific, and which can be used also to identify problems. A target should be expressed in terms of

44、a specific value or specific value range. The present document does not specify the specific value or desired value range of each target since those should be set by operators according to their policy and different network situation. Trigger condition: The condition at which self-optimization shoul

45、d be triggered. Different self-optimization algorithms may have different trigger conditions for achieving same objectives and targets. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: AAS Active Antenna System CCO Coverage and Capacity Optimization CQI

46、Channel Quality Indicator EM Element Manager eNodeB evolved NodeB EPC Evolved Packet Core E-UTRA Evolved Universal Terrestrial Radio Access E-UTRAN Evolved Universal Terrestrial Radio Access Network HO Handover ICIC Inter Cell Interference Coordination LB Load Balancing LTE Long Term Evolution NE Ne

47、twork Element NM Network ManagerNRM Network Resource Model OAM Operation Administration Maintenance PRB Physical Resource Block RCEF RRC Connection Establishment Failure RLF Radio Link Failure RSRP Reference Signal Received Power RSRQ Reference Signal Received Quality SON Self Organizing Networks UE

48、 User Equipment 4 Concepts and background 4.1 Overview A self-optimization functionality will monitor input data such as performance measurements, fault alarms, notifications etc. After analyzing the input data, optimization decisions will be made according to the optimization algorithms. Finally, c

49、orrective actions on the affected network node(s) will be triggered automatically or manually when necessary. IRPManager should be able to control the self-optimization procedures according to the operators objectives and targets. The following diagram is illustrated how the self-optimization functionality works: ETSI ETSI TS 128 627 V15.0.0 (2018-07)83GPP TS 28.627 version 15.0.0 Release 15Figure 4-1 Logical view of self-optimization procedure The self-optimization functionality working procedure could be interpreted logically as followi