1、 ETSI TS 1Universal Mobile TelTelecommSelf-OrgaPolicy NetwoIntegratio(3GPP TS 28.6TECHNICAL SPECIFICATION128 627 V13.2.0 (2016elecommunications System (LTE; munication management; rganizing Networks (SON) rk Resource Model (NRM) tion Reference Point (IRP); Requirements .627 version 13.2.0 Release 13
2、16-04) (UMTS); ) 13) ETSI ETSI TS 128 627 V13.2.0 (2016-04)13GPP TS 28.627 version 13.2.0 Release 13Reference RTS/TSGS-0528627vd20 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
3、C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/
4、or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version
5、kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If y
6、ou find errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and mi
7、crofilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All right
8、s reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and ow
9、ned by the GSM Association. ETSI ETSI TS 128 627 V13.2.0 (2016-04)23GPP TS 28.627 version 13.2.0 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publi
10、cly 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 available on the ETSI
11、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) which are, or may be, or m
12、ay become, essential to the present document. Foreword This Technical Specification (TS) has been produced by 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 sh
13、ould be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, 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“, “m
14、ay“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the 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 V1
15、3.2.0 (2016-04)33GPP TS 28.627 version 13.2.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g3Introduction 5g31 Scope 6g32 References 6g33 Definitions and abbreviations . 6g33.1 Definitions 6g33.2 Abbreviations . 7g34 Concepts and background
16、7g34.1 Overview 7g34.2 Self-Optimization Concept . 9g34.2.1 Logical Function Blocks . 9g34.2.1.1 Self-Optimization 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 Updat
17、e Function (SO_PGS_UF) . 9g34.2.1.5 NRM IRP Update Function (NRM_UF) . 9g34.2.1.6 Self-Optimization Monitoring 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_
18、EM) 9g34.2.1.7 Load Balancing Function (LB_F) . 10g34.2.1.8 Interference Control Function (IC_F) . 10g34.2.1.9 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 Capaci
19、ty Function (CC_F_NM) . 10g34.3 SON Coordination Concepts 10g35 Business level requirements . 10g35.1 Requirements 11g35.1.1 Self-Optimization Monitoring and Management 11g35.1.2 Load Balancing . 11g35.1.3 Handover (HO) Parameter optimization . 12g35.1.4 Interference control . 12g35.1.5 Coverage and
20、 Capacity optimization 12g35.1.6 RACH optimization 12g35.1.7 SON Coordination 12g35.2 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 . 16g35.4.4 NM centralized C
21、overage 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 18g35.4.4.4 Use case 4: LTE Connection failure . 19g35.
22、4.4.5 Use case 5: Radio link quality . 21g3ETSI ETSI TS 128 627 V13.2.0 (2016-04)43GPP TS 28.627 version 13.2.0 Release 136 Specification level requirements 21g36.1 Requirements 21g36.1.1 Self-Optimization Monitoring and Management 21g36.1.1.1 Management Part 21g36.1.2 Load Balancing . 22g36.1.3 Han
23、dover (HO) Parameter optimization . 22g36.1.3.1 HO failure categorization 22g36.1.3.1.1 HO failures due to too late and too early HO triggering 22g36.1.3.2 Reducing inefficient use of network resources due to unnecessary HOs 23g36.1.3.3 Requirements 24g36.1.4 Interference control 24g36.1.5 Coverage
24、and capacity optimization . 24g36.1.6 RACH optimization 25g36.1.7 SON Coordination 25g36.1.8 NM centralized coverage and capacity optimization 25g36.2 Actor roles 25g36.3 Telecommunications Resources . 25g36.4 Use case 26g36.4.1 Use case Self-Optimization Monitoring and Management . 26g36.4.2 Use ca
25、se Load Balancing Allowed/Prohibited Management 26g36.4.3 Use case NM centralized Coverage and Capacity Optimization 28g37 Functions and Architecture 29g37.1 Self-Optimization Logical Architecture . 29g37.2 Self-Optimization Reference Model . 29g3Annex A (informative): Steps for SON self-optimizatio
26、n Technical Specifications . 30g3Annex B (informative): General descriptions related to NM centralized CCO high level use cases . 31g3B.1 General . 31g3B.2 Monitoring of UE distribution 32g3Annex C (informative): Change history . 34g3History 35g3ETSI ETSI TS 128 627 V13.2.0 (2016-04)53GPP TS 28.627
27、version 13.2.0 Release 13Foreword This Technical Specification has been produced by the 3rdGeneration 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
28、 present document, it will be re-released by the TSG with an identifying change of release date 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 unde
29、r change control. y the second digit is incremented for all changes of substance, i.e. technical 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 cove
30、ring the 3rdGeneration Partnership Project Technical Specification Group Services and System Aspects, 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
31、Networks (SON) Policy Network Resource Model (NRM) Integration Reference Point (IRP): Information 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 V13.2.0 (2016-04)63GPP TS 28
32、.627 version 13.2.0 Release 131 Scope The present document describes concept and requirements 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 docum
33、ent. - References are either specific (identified by date of publication, edition number, 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 (i
34、ncluding a GSM document), a non-specific reference implicitly refers to the latest version 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; Architec
35、ture“. 3 3GPP TS 32.150: “Telecommunication management; Integration Reference Point (IRP) 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
36、28.620: “Telecommunication management; Fixed Mobile Convergence (FMC) Federated Network Information 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 M
37、inimization of Drive Tests (MDT); Overall description; Stage 2“. 8 3GPP TS 36.133: “Evolved 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
38、 TS 36.321: “Evolved Universal Terrestrial Radio Access (E-UTRA); Medium Access Control (MAC) 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 prese
39、nt document, the terms and definitions given in 3GPP TS 32.101 1, 3GPP TS 32.102 2, 3GPP TS 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.
40、 ETSI ETSI TS 128 627 V13.2.0 (2016-04)73GPP TS 28.627 version 13.2.0 Release 13Target: Target 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,
41、and which can be used also to identify problems. A target should be expressed in terms of 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 diff
42、erent network situation. Trigger condition: The condition at which self-optimization should 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
43、abbreviations apply: CCO Coverage and Capacity Optimization CQI 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 Interfere
44、nce Coordination LB Load Balancing LTE Long Term Evolution NE Network 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 R
45、eference Signal Received Quality SON Self Organizing Networks UE 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 w
46、ill be made according to the optimization algorithms. Finally, corrective 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 operator“s objectives and targets. The
47、following diagram is illustrated how the self-optimization functionality works: ETSI ETSI TS 128 627 V13.2.0 (2016-04)83GPP TS 28.627 version 13.2.0 Release 13Figure 4-1 Logical view of self-optimization procedure The self-optimization functionality working procedure could be interpreted logically a
48、s following: 1. The self-optimization functionality keeps monitoring input data according to the operator“s objectives and targets. 2. Whenever the objectives and targets are not met, optimization algorithms will be triggered. 3. Corrective actions are provided and executed. 4. Then the self-optimiz
49、ation functionality evaluates the result of the executed corrective actions. Loop: Keep Monitoring Is system status better after the corrective actions execution? Analyse input data with Optimization Algorithms Execute corrective actions Monitor input data One time Self-optimization procedure ends Fallback may be needed to reverse the system to the previous status, which is before the corrective actions executed. Yes No Meet the targets? Yes No ETSI ETSI TS 128 627 V13.2.0 (2016-04)93GPP TS 28.627 version 13.2.0 Release 13a) If the
