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ENodeB Technical Description(V100R003C00_14)(PDF)-En

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  eNodeBV100R003C00 Technical Description Issue14Date2013-11-30HUAWEI TECHNOLOGIES CO., LTD.    Copyright © Huawei Technologies Co., Ltd. 2013. 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 respective holders.  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 representationsof 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 14 (2013-11-30)Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd.i  About This Document Purpose This document provides the LTE-SAE system architecture and the following information aboutthe eNodeB: basic functions, structures, environment monitoring principles, clock synchronization modes, operation and maintenance, reliability, topologies, typical hardwareconfigurations, and technical specifications. Product Versions The following table lists the product versions related to this document. Product NameVersion BTS3900 LTEV100R003C00BTS3900A LTEV100R003C00BTS3900L LTEV100R003C00DBS3900 LTEV100R003C00  Intended Audience The intended audiences of this document are: l  Network planning engineers l Field engineers l System engineers Organization 1 Changes in the eNodeB Technical Description eNodeBTechnical DescriptionAbout This DocumentIssue 14 (2013-11-30)Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd.ii  This chapter describes the changes in the eNodeB Technical Description . 2 LTE-SAE System Architecture This chapter describes Long Term Evolution-System Architecture Evolution (LTE-SAE) systemarchitecture, including the position of eNodeBs in the system and the functions of the Network Elements (NEs) in the network. 3 eNodeB Functions This chapter describes the functions of eNodeBs. As the radio access equipment in the LTE-SAE system, eNodeBs perform radio resource management, packet compression and ciphering,user plane packet routing, MME selection, and message scheduling and transmission. 4 eNodeB Structure This chapter describes the structure of an eNodeB. eNodeBs are designed based on a distributedarchitecture. Each eNodeB consists of two basic types of component: baseband unit BBU3900and Radio Frequency (RF) unit RRU or RFU. 5 Environment Monitoring Principles This chapter describes environment monitoring principles for eNodeBs. Environmentmonitoring detects the following environmental conditions of an eNodeB: temperature,humidity, water damage, smoke, unauthorized access, and power distribution faults. Toimplement environment monitoring, the eNodeB is equipped with environment monitoringdevices and configured with external environment alarms, including Boolean alarms and anEMUA alarm. 6 eNodeB Synchronization Modes This chapter describes the clock synchronization modes of eNodeBs. eNodeBs supportsynchronization with the following clocks: GPS/RGPS clock, GLONASS clock, IEEE1588 V2clock, Clock over IP, synchronous Ethernet, 1 PPS+TOD clock, BITS clock, and E1/T1 lineclock. If an eNodeB fails to obtain clock signals, it works in free-run mode for a certain periodof time. 7 Operation and Maintenance of eNodeBs This chapter describes operation and maintenance of eNodeBs. The operation and maintenance(OM) system of eNodeBs manages, monitors, and maintains the software, hardware, andconfiguration data of the eNodeBs. In addition, the OM system provides various OM modes tomeet requirements. 8 eNodeB Reliability This chapter describes eNodeB reliability, which includes system reliability, hardwarereliability, and software reliability. 9 eNodeB Topologies This chapter describes the topologies on the S1 interface, topologies on the common public radiointerface (CPRI), and CPRI port specifications. 10 Typical Hardware Configurations of an eNodeB This chapter describes the hardware configurations of an eNodeB. 11 Product Specifications eNodeBTechnical DescriptionAbout This DocumentIssue 14 (2013-11-30)Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd.iii
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