ETSI TR 145 926-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Solutions for GSM EDGE Base Transceiver Station (BTS) energy saving (V14 0 0 3GPP TR 45 926 version.pdf
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1、 ETSI TR 145 926 V14.0.0 (2017-04) Digital cellular telecommunications system (Phase 2+) (GSM); Solutions for GSM/EDGE Base Transceiver Station (BTS) energy saving (3GPP TR 45.926 version 14.0.0 Release 14) TECHNICAL REPORT GLOBAL SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TR 145 926 V14.0.0 (2017-0
2、4)13GPP TR 45.926 version 14.0.0 Release 14Reference RTR/TSGR-0645926ve00 Keywords GSM 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 non lucratif enregistre la Sous-Prfecture de
3、 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/or print versions of the present document shall not be modifie
4、d 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 kept on a specific network drive within ETSI Secretariat. User
5、s 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 https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send
6、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 microfilm except as authorized by written permission o
7、f 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 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI
8、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 owned by the GSM Association. ETSI ETSI TR 145 926 V14
9、.0.0 (2017-04)23GPP TR 45.926 version 14.0.0 Release 14Intellectual 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 publicly available for ETSI members and non-members, and
10、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 Web server (https:/ipr.etsi.org/). Pursuant to the E
11、TSI 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 may become, essential to the present document. Forewo
12、rd This Technical Report (TR) 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 should be interpreted as being references to the correspondin
13、g 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 “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as
14、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 TR 145 926 V14.0.0 (2017-04)33GPP TR 45.926 version 14.0.0 Release 14Contents Intellectual Pro
15、perty Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g3Introduction 5g31 Scope 6g32 References 6g33 Definitions, symbols and abbreviations . 7g33.1 Definitions 7g33.2 Symbols 7g33.3 Abbreviations . 7g34 Study Considerations 8g34.0 General . 8g34.1 Network Scenario Considerations 8g34
16、.2 Energy Consumption of BTS . 8g35 Objectives . 9g35.1 Performance Objectives: energy efficiency target 9g35.2 Compatibility Objectives 9g35.2.1 Avoid impact to voice user call quality 9g35.2.2 Avoid impact to data user session quality . 9g35.2.3 Avoid impact to cell (re)selection and handover 9g35
17、.2.4 Support of legacy MSs 9g35.2.5 Implementation impacts to new MSs 9g35.2.6 Implementation impacts to BSS 9g35.2.7 Impacts to network planning . 10g36 Common Assumptions . 10g36.1 Reference Configuration 10g36.2 Evaluation Metrics . 11g36.3 Traffic Load profiles 11g36.4 Reference deployment scena
18、rios 12g36.5 MS characteristics 16g36.5.1 BCCH carrier power measurement sampling . 16g36.5.1.1 Idle mode 16g36.5.1.2 Connected mode 18g36.5.2 BCCH carrier power measurement accuracy 18g36.5.3 BCCH carrier power measurement averaging 18g36.5.4 BSIC Decoding . 18g36.5.5 Power reduction on TS precedin
19、g BCCH timeslot . 19g36.5.6 Handover, Cell Selection and Cell Reselection 19g36.5.7 Mobile velocity . 19g36.5.8 Mobile station types 19g36.6 BTS characteristics . 19g36.6.1 Network synchronization 19g36.6.2 Modelling of TRX power consumption 19g37 Candidate Solution: BCCH Carrier Power Reduction Met
20、hodology . 20g37.1 Introduction 20g37.2 Methodology 20g37.2.1 Variant 1 . 20g37.2.2 Variant 2 . 21g37.3 Evaluation. 21g37.3.1 Simulation Assumptions . 22g3ETSI ETSI TR 145 926 V14.0.0 (2017-04)43GPP TR 45.926 version 14.0.0 Release 147.3.2 Evaluations . 23g37.3.2.1 Impacts to Radiated Power and Powe
21、r Consumption . 23g37.3.2.2 Impacts to Call Quality . 24g37.3.2.3 Impacts to Handover . 25g37.4 Conclusion 26g38 Candidate Solution: Output Power Reduction on BCCH Carrier for GMSK 27g38.1 Introduction 27g38.2 Concept Description . 27g38.2.1 Overview 27g38.2.2 Exemplary Scenario 27g38.3 Concept Eval
22、uation 28g38.3.0 Overview 28g38.3.1 Simulation Model . 28g38.3.1.1 Simulation Assumptions . 28g38.3.1.2 Channel Allocation Strategies . 32g38.3.1.3 Deployment Scenarios and Network Layout . 32g38.3.1.4 Output Power Reduction Settings on BCCH carrier . 33g38.3.1.5 Employed Link-to-System Mapping . 34
23、g38.3.2 Simulation Results 34g38.3.2.1 Scenario S1 . 34g38.3.2.2 Scenario S2 . 35g38.3.2.3 Scenario S3 . 36g38.3.2.4 Scenario S4 . 37g38.3.2.5 Scenario M1 37g38.3.2.6 Scenario M2 38g38.3.2.7 Impact on performance of neighbour cell identification in connected mode 39g38.3.2.8 Impact on performance of
24、 neighbour cell identification in idle mode 40g38.3.2.9 Results for the alternative MS velocity . 42g38.3.2.9.1 Scenario S5 42g38.3.2.9.2 Scenario S6 43g38.3.2.9.3 Impact on performance of neighbour cell identification in connected mode . 44g38.3.2.9.4 Impact on performance of neighbour cell identif
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