ZTE R8872AS8500 Macro Radio Remote Unit User Manual
ZTE Corporation Macro Radio Remote Unit Users Manual
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Users Manual
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| Date Submitted | 2017-03-28 00:00:00 |
| Date Available | 2017-09-24 00:00:00 |
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ZXSDR R8872A Macro Remote Radio Unit Product Description Hardware Version: HV1.0 ZTE CORPORATION No. 55, Hi-tech Road South, ShenZhen, P.R.China Postcode: 518057 Tel: +86-755-26771900 Fax: +86-755-26770801 URL: http://support.zte.com.cn E-mail: 800@zte.com.cn LEGAL INFORMATION Copyright © 2016 ZTE CORPORATION. The contents of this document are protected by copyright laws and international treaties. Any reproduction or distribution of this document or any portion of this document, in any form by any means, without the prior written consent of ZTE CORPORATION is prohibited. Additionally, the contents of this document are protected by contractual confidentiality obligations. All company, brand and product names are trade or service marks, or registered trade or service marks, of ZTE CORPORATION or of their respective owners. This document is provided “as is”, and all express, implied, or statutory warranties, representations or conditions are disclaimed, including without limitation any implied warranty of merchantability, fitness for a particular purpose, title or non-infringement. ZTE CORPORATION and its licensors shall not be liable for damages resulting from the use of or reliance on the information contained herein. ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications covering the subject matter of this document. Except as expressly provided in any written license between ZTE CORPORATION and its licensee, the user of this document shall not acquire any license to the subject matter herein. ZTE CORPORATION reserves the right to upgrade or make technical change to this product without further notice. Users may visit the ZTE technical support website http://support.zte.com.cn to inquire for related information. The ultimate right to interpret this product resides in ZTE CORPORATION. Revision History Revision No. Revision Date Revision Reason R1.4 2016-12-05 Updated “4.3 Performance” R1.3 2016-09-30 Updated “4.3 Performance” R1.2 2016–02–23 V4.14.10.30.P30 Those topics have been modified: R1.1 2015-05-13 Functions Operating Environment Performance Reliability Updated "1.1 Functions" and "1.2 Features" Added lightning protect unit in "2.1 Hardware Architecture" Updated specifications in "Chapter 4 Technical Specifications", involving "4.1 Technical Specification", "4.3 Power Supply", "4.4 Performance" and "4.5 Reliability" R1.0 2014-10-21 First edition Serial Number: SJ-20141127113509-001 Publishing Date: 2016-12-05 (R1.4) SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential Contents About This Manual ......................................................................................... I Chapter 1 Overview .................................................................................... 1-1 1.1 Functions........................................................................................................... 1-1 1.2 Features ............................................................................................................ 1-2 Chapter 2 System Architecture ................................................................. 2-1 2.1 Hardware Architecture ........................................................................................ 2-1 2.2 Software Architecture ......................................................................................... 2-2 Chapter 3 Networking and Maintenance .................................................. 3-1 3.1 Baseband-RF Networking ................................................................................... 3-1 3.2 Operation and Maintenance ................................................................................ 3-2 Chapter 4 Technical Specifications .......................................................... 4-1 4.1 Physical Specifications ....................................................................................... 4-1 4.2 Operating Environment ....................................................................................... 4-1 4.3 Power Supply..................................................................................................... 4-2 4.4 Performance ...................................................................................................... 4-2 4.5 Reliability ........................................................................................................... 4-5 4.6 Electromagnetic Compatibility ............................................................................. 4-6 Glossary .......................................................................................................... I SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential This page intentionally left blank. II SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential About This Manual Purpose This manual provides information about the ZXSDR R8872A, including functions, features, system architecture, operation and maintenance, and technical specifications. Intended Audience This manual is intended for: Network planning and optimization engineers Field designing engineers What Is in This Manual This manual contains the following chapters. Chapter 1, Overview Describes the external view, functions, and features of the ZXSDR R8872A. Chapter 2, System Describes the hardware architecture and software architecture of the Architecture ZXSDR R8872A. Chapter 3, Networking Describes the baseband-RF networking modes and operation and and Maintenance maintenance of the ZXSDR R8872A. Chapter 4, Technical Describes the technical specifications of the ZXSDR R8872A. Specifications Related Documentation The following documentation is related to this manual: ZXSDR R8872A Macro Remote Radio Unit Hardware Description Conventions This manual uses the following conventions. Note: provides additional information about a topic. SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential This page intentionally left blank. II SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential Chapter 1 Overview The ZXSDR R8872A is an outdoor RRU. It works with the BBU to form a distributed base station, implementing radio transmission and radio channel control in the coverage areas. Figure 1-1 shows an external view of the ZXSDR R8872A. Figure 1-1 External View Table of Contents Functions ...................................................................................................................1-1 Features.....................................................................................................................1-2 1.1 Functions The ZXSDR R8872A provides the following functions: Various bandwidth configurations of 1.4/3/5/10/15/20 MHz Frequency band: 850/900/1800/1900 MHz Support 2T4R in one box which can optimize spectrum efficiency greatly and improve network uplink performance 1-1 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential ZXSDR R8872A Product Description Uplink/downlink 64QAM modulation Transmission power reporting function for each carrier PA overload protection function Transmission channel switch function Software failure will not affect the running of connected BBU and other cascaded RRUs. Figure 1-2 shows the position of the ZXSDR R8872A in a radio network. Figure 1-2 ZXSDR R8872A Position in a Radio Network 1.2 Features The ZXSDR R8872A has the following features: High performance It provides a 75 MHz instantaneous bandwidth, which enables it to utilize more frequency spectrum resources. Design of 2T4R channels improves the spectrum efficiency. It provides a 2×80 W transmission power, and can be applied in urban areas with dense population. Convenient network construction It supports GSM/CDMA/LTE or mixed technologies, which ensure the smooth evolution from GSM/CDMA to LTE. Low TCO Advanced technologies including Doherty PA, DPD, and MCPA are applied to the power amplifiers. It also supports dynamic adaptive PA power supply based on output power, which reduces power consumption. Build-in lightning protect unit It has integrated lightning protect unit whose protection level is 20 kA. 1-2 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential Chapter 2 System Architecture Table of Contents Hardware Architecture................................................................................................2-1 Software Architecture .................................................................................................2-2 2.1 Hardware Architecture The ZXSDR R8872A contains five hardware modules, see Figure 2-1. Figure 2-1 Hardware Architecture Transceiver It implements the transmitter and receiver functions, and provides interfaces and control. Duplex filters It provides the functions of RF signal combination and splitting and filtering. PA It transmits and amplifies two channels of RF signals. This module consists of two PAs. Power supply It provides the system power supply. Protecting interface board Integrated lightning protect unit for the AISG, RS485 and dry contacts. 2-1 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential ZXSDR R8872A Product Description 2.2 Software Architecture The ZXSDR R8872A software architecture is divided into two layers: SDR unified platform software and application software, see Figure 2-2. Figure 2-2 Software Architecture SDR unified platform software à BSP: It provides basic functions including hardware drivers, initialization, alarms, and monitoring. It also provides interfaces for devices to access the Linux operating system. à Linux: It is the operating system platform. à OSS: It is the support layer in the entire software architecture. It provides a hardware-independent platform for system software operation, and provides some basic software functions, including scheduling, timer, memory management, inter-module communication, sequence control, monitoring, alarms, and logs. Application software OAM: It provides functions including configuration, alarms, and performance measurement. 2-2 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential Chapter 3 Networking and Maintenance Table of Contents Baseband-RF Networking ..........................................................................................3-1 Operation and Maintenance .......................................................................................3-2 3.1 Baseband-RF Networking The ZXSDR R8872A supports star and line networks with the BBU. The ZXSDR R8872A and the BBU are connected with optical fibers. Star network Each RRU has a point-to-point connection with the BBU, see Figure 3-1. This network topology is reliable but occupies more transmission resources. It is applicable to densely-populated areas. Figure 3-1 Star Network Line network Multiple RRUs are connected to form a link, and then the link is connected to the BBU, see Figure 3-2. This network topology occupies less transmission resources but is less reliable than the star network topology. It is applicable to sparsely-populated areas. Figure 3-2 Line Network 3-1 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential ZXSDR R8872A Product Description 3.2 Operation and Maintenance Remote Maintenance Remote maintenance is implemented through the EMS, which is connected to the BBU through the TCP/IP protocol, and the BBU is connected to the ZXSDR R8872A through the CPRI interface, see Figure 3-3. Multiple base stations can be maintained through one EMS. Figure 3-3 Remote Maintenance Mode Local Maintenance Local maintenance is implemented through the LMT, which is installed on a PC directly connected to the ZXSDR R8872A with an Ethernet cable, see Figure 3-4. The LMT is used to maintain a single base station. Figure 3-4 Local Maintenance Mode 3-2 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential Chapter 4 Technical Specifications Table of Contents Physical Specifications ...............................................................................................4-1 Operating Environment...............................................................................................4-1 Power Supply .............................................................................................................4-2 Performance ..............................................................................................................4-2 Reliability....................................................................................................................4-5 Electromagnetic Compatibility ....................................................................................4-6 4.1 Physical Specifications For a description of the physical specifications of the ZXSDR R8872A, refer to Table 4-1. Table 4-1 Physical Specifications Item Specification Dimensions (H × W × D) 415 mm × 352 mm × 137 mm Weight 23 kg Color Silver gray 4.2 Operating Environment For the operating environment requirements for the ZXSDR R8872A, refer to Table 4-2. Table 4-2 Operating Environment Requirements Item Specification Temperature –40 ℃ to +55 ℃ Relative humidity 5% to 100% Waterproof and IP65 dustproof level Grounding ≤5Ω In areas where the number of thunderstorm days per year is less than 20, the grounding resistance can be less than 10 Ω. 4-1 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential ZXSDR R8872A Product Description 4.3 Power Supply For the power supply requirements of the ZXSDR R8872A, refer to Table 4-3. Table 4-3 Power Supply Requirements Item Specification Power supply DC: –48 V DC (–37 V DC to –60 V DC) Power consump- GSM S8 x 20 W: tion Typical power consumption: 275 W Peak power consumption: 555 W S1800 GSM S2 x 2 x 20 W+LTE 2 x 40 W: Typical power consumption: 310 W Peak power consumption: 555 W GSM S8 x 20 W: Typical power consumption: 295 W Peak power consumption: 575 W LTE S2, 2 x 40 W/LTE cell: S9000 Typical power consumption: 315 W Peak power consumption: 575 W GSM S2 x 2 x 20 W+LTE 2 x 40 W: Typical power consumption: 365 W Peak power consumption: 575 W Lightening pro- tection S8500(LTE 2 x Typical power consumption: 315 W 80 W) Peak power consumption: 575 W S1900(LTE 2 x Typical power consumption: 290 W 80 W) Peak power consumption: 560 W 20 kA 4.4 Performance The ZXSDR R8872A supports four frequency band models: l ZXSDR R8872A S8500: supports CDMA, LTE, GSM, and UMTS. l ZXSDR R8872A S9000: supports GSM and LTE. l ZXSDR R8872A S1800: supports GSM and LTE. l ZXSDR R8872A S1900: supports GSM, UMTS, and LTE. For the performance requirements of the ZXSDR R8872A, refer to Table 4-4, Table 4-5, Table 4-6, and Table 4-7. 4-2 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential Chapter 4 Technical Specifications Table 4-4 ZXSDR R8872A S8500 Performance Requirements Item Specification Operating 850 MHz frequency Tx: 869–894 MHz band Rx: 824–849 MHz TOC output 2 x 80 W power Bandwidth LTE: 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, and 20 MHz Receiver GSM Sensitivity Single antenna: –113.5 dBm Dual antennas: –115.5 dBm Four antennas: N/A UMTS Single antenna: –125.8 dBm Dual antennas: –128.5 dBm Four antennas: N/A LTE Single antenna: –106.4 dBm Dual antennas: –109.2 dBm Four antennas: N/A Capacity Transmis- GSM single-mode 2 x 4 TRXs UMTS single-mode 2 x 2 CSs UMTS/LTE multi-mode UMTS 2 x 2 CSs and LTE 1 x 10 M 2T2R Cell GSM/LTE multi-mode GSM 2 x 4 TRXs and LTE 1 x 10 M 2T2R Cell GSM/UMTS multi-mode GSM 2 x 4 TRXs and UMTS 2 x 2 CSs GSM/UMTS/LTE GSM 2 x 2 TRXs , UMTS 2 x 1 CSs , and LTE 1x10 MIMO multi-mode 2T2R Cell CPRI interface, 2 x 6.144 Gbps sion Table 4-5 ZXSDR R8872A S9000 Performance Requirements Item Specification Operating 900 MHz frequency Tx: 934–960 MHz band Rx: 889–915 MHz TOC output 2 x 80 W power Bandwidth LTE: 1.4 MHz, 3 MHz, 5 MHz, and 10 MHz 4-3 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential ZXSDR R8872A Product Description Item Specification Receiving GSM sensitivity Single antenna: –113.5 dBm Dual antennas: –115.5 dBm Four antennas: N/A LTE Single antenna: –106.4 dBm Dual antennas: –109.2 dBm Four antennas: –112 dBm Capacity Transmis- GSM single-mode 2 x 6 TRXs LTE single-mode 2 x 10 MHz 2T2R/2T4R Cells GSM/LTE multi-mode GSM 2 x 4TRXs+LTE 1 x 10 MHz 2T2R/2T4R Cell GSM 2 x 2TRXs+LTE 2 x 10 MHz 2T2R/2T4R Cells CPRI interface, 2 x 6.144 Gbps sion Table 4-6 ZXSDR R8872A S1800 Performance Requirements Item Specification Operating 1800 MHz frequency Tx: 1805–1880 MHz band Rx: 1710–1785 MHz TOC output 2 x 80 W power Bandwidth LTE: 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, and 20 MHz Receiving GSM sensitivity Single antenna: –113.5 dBm Dual antennas: –115.5 dBm Four antennas: N/A LTE Single antenna: –106.4 dBm Dual antennas: –109.2 dBm Four antennas: –112 dBm Capacity Transmis- GSM single-mode 2 x 6 TRXs LTE single-mode 2 x 20 MHz 2T2R/2T4R Cells GSM/LTE multi-mode GSM 2 x 4 TRXs+LTE 1 x 20 MHz 2T2R/2T4R Cell GSM 2 x 2 TRXs+LTE 2 x 20 MHz 2T2R/2T4R Cells CPRI interface, 2 x 6.144 Gbps sion 4-4 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential Chapter 4 Technical Specifications Table 4-7 ZXSDR R8872A S1900 Performance Requirements Item Specification Operating 1900 MHz frequency Tx: 1930–-1990 MHz band Rx: 1850–1910 MHz TOC output 2 x 80 W power Bandwidth LTE: 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, and 20 MHz Receiving GSM Single antenna: –113.5 dBm sensitivity Dual antennas: –115.5 dBm Four antennas: N/A UMTS Single antenna: –125.8 dBm Dual antennas: –128.5 dBm Four antennas: N/A LTE Single antenna: –106.4 dBm Dual antennas: –109.2 dBm Four antennas: N/A Capacity Transmis- GSM single-mode 2 x 4 TRXs UMTS single-mode 2 x 2 CSs UMTS/LTE multi-mode UMTS 2 x 2 CSs and LTE 1 x 10 MIMO 2T2R Cell GSM/LTE multi-mode GSM 2 x 4 TRXs and LTE 1 x 10 MIMO 2T2R Cell GSM/UMTS multi-mode GSM 2 x 4 TRXs and UMTS 2 x 2 CSs GSM/UMTS/LTE GSM 2 x 2 TRXs , UMTS 2 x 1 CSs , and LTE 1 x 10 MIMO multi-mode 2T2R Cell CPRI interface, 2 x 6.144 Gbps sion 4.5 Reliability For the reliability requirements of the ZXSDR R8872A, refer to Table 4-8. Table 4-8 Reliability Requirements Item Specification MTBF DC: ≥ 438,000 hours MTTR 1 hour Availability DC: ≥ 99.999772% Down time DC: ≤ 1.200 minutes/year 4-5 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential ZXSDR R8872A Product Description 4.6 Electromagnetic Compatibility For the electromagnetic compatibility requirements of the ZXSDR R8872A, refer to Table 4-9. Table 4-9 Electromagnetic Compatibility Requirements Item Specification ESD immunity Contact discharge: ±6000 V Air discharge: ±8000 V Surge immunity DC power interface cable (grounding): ±2000 V 4-6 SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential Glossary 64QAM - 64 Quadrature Amplitude Modulation BBU - Base Band Unit BSP - Board Support Package CDMA - Code Division Multiple Access CPRI - Common Public Radio Interface DPD - Digital Pre-Distortion EMS - Element Management System GSM - Global System for Mobile Communications IP - Internet Protocol LMT - Local Maintenance Terminal LTE - Long Term Evolution MCPA - Multi-Carrier Power Amplifier MTBF - Mean Time Between Failures MTTR - Mean Time To Recovery OAM - Operating and Maintenance OSS - Operation Support Subsystem PA - Power Amplifier SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential ZXSDR R8872A Product Description PC - Personal Computer RRU - Remote Radio Unit TCO - Total Cost of Ownership TCP - Transmission Control Protocol II SJ-20141127113509-001|2016-12-05 (R1.4) ZTE Proprietary and Confidential
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