CPRI_MUX(SRAN12.1_04)

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CPRI_MUX
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  SingleRAN CPRI MUX Feature Parameter Description Issue04Date2017-10-17HUAWEI TECHNOLOGIES CO., LTD.    Copyright © Huawei Technologies Co., Ltd. 2017. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior writtenconsent of Huawei Technologies Co., Ltd.  Trademarks and Permissions  and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respectiveholders.  Notice The purchased products, services and features are stipulated by the contract made between Huawei and thecustomer. All or part of the products, services and features described in this document may not be within thepurchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,and recommendations in this document are provided AS IS without warranties, guarantees or representations of any kind, either express or implied.The information in this document is subject to change without notice. Every effort has been made in thepreparation of this document to ensure accuracy of the contents, but all statements, information, andrecommendations in this document do not constitute a warranty of any kind, express or implied.  Huawei Technologies Co., Ltd.  Address:Huawei Industrial BaseBantian, LonggangShenzhen 518129People's Republic of ChinaWebsite:http://www.huawei.comEmail:support@huawei.com Issue 04 (2017-10-17)Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd.i  Contents 1 About This Document..................................................................................................................1 1.1 Scope..............................................................................................................................................................................11.2 Intended Audience..........................................................................................................................................................11.3 Change History...............................................................................................................................................................21.4 Differences Between Base Station Types.......................................................................................................................3 2 Overview.........................................................................................................................................4 2.1 Introduction....................................................................................................................................................................42.2 Benefits...........................................................................................................................................................................5 3 BBUs and Boards That Support CPRI MUX............................................................................6 3.1 BBU3900 Boards That Support CPRI MUX.................................................................................................................63.2 BBU3910 Boards That Support CPRI MUX.................................................................................................................93.3 BBU3910As That Support CPRI MUX.......................................................................................................................103.4 BBU3910C That Supports CPRI MUX........................................................................................................................103.5 BBU5900 Boards That Support CPRI MUX................................................................................................................11 4 CPRI Topology Principles for Multimode Base Stations....................................................125 Star Topology with CPRI MUX (BBU3900)............................................................................13 5.1 Co-MPT Scenarios.......................................................................................................................................................135.1.1 Constraints.................................................................................................................................................................135.1.2 UL CPR I MUX in Star Topology..............................................................................................................................135.1.3 GU/GL CPRI MUX in Star Topology.......................................................................................................................155.1.4 GUL CPRI MUX in Star Topology...........................................................................................................................215.2 Separate-MPT Scenarios..............................................................................................................................................255.2.1 Constraints.................................................................................................................................................................255.2.2 UL CPR I MUX in Star Topology..............................................................................................................................255.2.3 GU/GL CPRI MUX in Star Topology.......................................................................................................................26 6 Star Topology with CPRI MUX (BBU3910)............................................................................28 6.1 Co-MPT Scenarios.......................................................................................................................................................286.2 Separate-MPT Scenarios..............................................................................................................................................30 7 Star Topology with CPRI MUX (BBU3910A).........................................................................348 Star Topology with CPRI MUX (BBU3910C).........................................................................35 SingleRANCPRI MUX Feature Parameter DescriptionContentsIssue 04 (2017-10-17)Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd.ii  9 Star Topology with CPRI MUX (BBU5900)............................................................................36 9.1 Co-MPT Scenarios.......................................................................................................................................................369.2 Separate-MPT Scenarios..............................................................................................................................................37 10 Chain Topology with CPRI MUX..........................................................................................4011 CPRI MUX with Multimode Load Sharing Topology.......................................................4412 Triple-Mode Dual-Star Topology..........................................................................................46 12.1 GU+L Dual-Star Topology.........................................................................................................................................4612.2 GL+U Dual-Star Topology.........................................................................................................................................4712.3 G[U*L] Dual-Star Topology.......................................................................................................................................47 13 Specifications of the CPRI MUX Feature..............................................................................48 13.1 CPRI MUX Converging Capabilities.........................................................................................................................4813.2 Cascading Level of the Chain Topology with CPRI MUX........................................................................................53 14 Related Features.........................................................................................................................54 14.1 Prerequisite Features...................................................................................................................................................5414.2 Mutually Exclusive Features......................................................................................................................................5414.3 Impacted Features.......................................................................................................................................................55 15 Network Impact.........................................................................................................................56 15.1 System Capacity.........................................................................................................................................................5615.2 Network  Performance.................................................................................................................................................5615.3 Reliability...................................................................................................................................................................56 16 Engineering Guidelines...........................................................................................................58 16.1 When to Use...............................................................................................................................................................5816.2 Required Information.................................................................................................................................................5816.3 Network  Planning.......................................................................................................................................................5816.4 Deployment................................................................................................................................................................5916.4.1 Requir ements...........................................................................................................................................................5916.4.2 Data Preparation......................................................................................................................................................5916.4.3 Activation................................................................................................................................................................6216.4.4 Activation Observation............................................................................................................................................6616.4.5 Deactivation.............................................................................................................................................................6716.4.6 Reconfiguration.......................................................................................................................................................6716.5 Performance Monitoring.............................................................................................................................................6816.6 Parameter Optimization..............................................................................................................................................6816.7 Possible Issues............................................................................................................................................................6816.7.1 Related Alarms........................................................................................................................................................6816.7.2 MML Commands for Maintenance.........................................................................................................................71 17 Parameters...................................................................................................................................7318 Counters......................................................................................................................................81 SingleRANCPRI MUX Feature Parameter DescriptionContentsIssue 04 (2017-10-17)Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd.iii
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