ZTE R8862AS2600 LTE Remote Radio Unit User Manual part 5

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ZXSDR R8862A
Macro Radio Remote Unit
Product Description
Version: V1.0
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 © 2015 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
R1.1
2015-09-15
Updated the following information:
R1.0
2015-08-21
R8862A functions in 2.1 Product Positioning
5.1 Physical Specifications
5.2 Performance Specifications
5.3 Power Consumption
First edition
Serial Number: SJ-20150203110107-040
Publishing Date: 2015-09-15 (R1.1)
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Contents
About This Manual ......................................................................................... I
Chapter 1 Product Positioning and Features .......................................... 1-1
1.1 Product Positioning ............................................................................................ 1-1
1.2 Product Features................................................................................................ 1-2
Chapter 2 Product Structure ..................................................................... 2-1
2.1 Hardware Architecture ........................................................................................ 2-1
2.2 Logical Architecture ............................................................................................ 2-1
2.3 Software Architecture ......................................................................................... 2-2
Chapter 3 Operation and Maintenance..................................................... 3-1
Chapter 4 Technical Specifications .......................................................... 4-1
4.1 Physical Specifications ....................................................................................... 4-1
4.2 Performance Specifications................................................................................. 4-1
4.3 Power Consumption ........................................................................................... 4-3
4.4 EMC Specifications ............................................................................................ 4-4
4.5 Reliability Specifications ..................................................................................... 4-4
Chapter 5 Environment Requirements ..................................................... 5-1
5.1 Operating Power Supply ..................................................................................... 5-1
5.2 Operating Environment Requirements ................................................................. 5-1
Figures............................................................................................................. I
Tables ............................................................................................................ III
Glossary .........................................................................................................V
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About This Manual
Purpose
This manual provides information about the ZXSDR R8862A, including functions,
structures, maintenance, and technical specifications.
Intended Audience
This manual is intended for:
Equipment installation engineers
Maintenance engineers
What Is in This Manual
This manual contains the following chapters.
Chapter 1, Product
Describes the positioning and features of the ZXSDR R8862A.
Positioning and Features
Chapter 2, Product
Describes the software, hardware, and logical structures of the ZXSDR
Structure
R8862A.
Chapter 3, Operation and
Describes the operation and maintenance methods for the ZXSDR
Maintenance
R8862A.
Chapter 4, Technical
Describes the technical specifications of the ZXSDR R8862A.
Specifications
Chapter 5, Environment
Describes environment requirements of the ZXSDR R8862A.
Requirements
Related Documentation
The following documentation is related to this manual:
ZXSDR R8862A Macro RRU Hardware Description
ZXSDR R8862A Macro RRU Engineering Installation Guide
ZXSDR R8862A Macro RRU Parts Replacement Guide
Conventions
This manual uses the following conventions.
Caution: indicates a potentially hazardous situation. Failure to comply
can result in moderate injury, equipment damage, or interruption of
minor services.
Note: provides additional information about a topic.
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Chapter 1
Product Positioning and
Features
Table of Contents
Product Positioning ....................................................................................................1-1
Product Features........................................................................................................1-2
1.1 Product Positioning
The ZXSDR R8862A is an outdoor remote radio unit in a ZTE base station. The ZXSDR
R8862A and a BBU form a complete base station, implementing radio transmission in the
coverage area and controlling radio channels.
Figure 1-1 shows the position of the ZXSDR R8862A (an RRU) in a wireless network.
Figure 1-1 Position of the ZXSDR R8862A in a Wireless Network
The ZXSDR R8862A supports the following functions:
Supporting the LTE configuration of 1.4 MHz/3 MHz/5 MHz/10 MHz/15 MHz/20 MHz
scalable bandwidth
Supporting the UMTS configuration of 5 MHz/4.8 MHz/4.6 MHz/4.4 MHz/4.2 MHz
channel interval of each carrier
Operating frequency bands: AP700 MHz, 850 MHz, 1800 MHz, 2100 MHz, and 2600
MHz
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ZXSDR R8862A Product Description
Supporting 2T4R(S7200/S8500/S1800/S2100/S2600) in one box which can optimize
spectrum efficiency greatly and improve network uplink performance
LTE uplink and downlink 64QAM modulation
Transmit power reporting of each carrier
Load protection for the Power Amplifier (PA)
Transmit channel switching on and off
RRU power consumption reporting
Energy saving (dynamic voltage adjustment and symbol shutdown)
Immune to software faults when cascaded to the software
1.2 Product Features
Small size for easy installation and deployment
The small size facilitates the transportation and installation and decreases the
load-bearing requirement and operating expense when it is installed on a pole, tower,
or wall.
Multimode RRU
The RRU is based on common ZTE compacted RRU platform, and can work in GSM,
CDMA, UMTS or LTE single mode or Multi-Mode at the same frequency band.
Multiple transmitting channels and multiple receiving channels
The ZXSDR R8862A supports two transmitting channels and four receiving channels,
improving the spectral efficiency and uplink network performance and offering better
user experience.
Low cost and high efficiency
The PA efficiency of the ZXSDR R8862A can be up to 45%.
The ZXSDR R8862A supports a dynamic auto-sensing PA power supply based on
the output power, reducing the overall power consumption.
Natural heat dissipation of the ZXSDR R8862A contributes to quite low power
consumption and zero noise.
Integrated lightning protection module
The ZXSDR R8862A has an integrated lightning protection module with the protection
level of 20 kA.
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Chapter 2
Product Structure
Table of Contents
Hardware Architecture................................................................................................2-1
Logical Architecture....................................................................................................2-1
Software Architecture .................................................................................................2-2
2.1 Hardware Architecture
There are two types of dimensions for different categories of bands. Figure 2-1 shows an
external view of the ZXSDR R8862A.
Figure 2-1 External View of the ZXSDR R8862A
2.2 Logical Architecture
The ZXSDR R8862A consists of a power supply, transceiver, power amplifier, and diplexer
filter. Figure 2-2 shows the logical structure of the ZXSDR R8862A.
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ZXSDR R8862A Product Description
Figure 2-2 Logical Structure of the ZXSDR R8862A
For the function description of the modules, refer to Table 2-1.
Table 2-1 ZXSDR R8862A Module Description
Module
Function
Power supply
Outputs power and protects the power supply equipment.
Transceiver
Transceives the digital intermediate frequency and radio
frequency, and controls the clocks, power supply, and power
amplifier.
Power amplifier
Amplifies the downlink RF signals, outputs the RF signals to the
duplexer, and integrates the low-noise amplifier.
Diplexer filter
Consists of two duplexers and one filter, implementing the receive
diversity function.
2.3 Software Architecture
Figure 2-3 shows the software architecture of the ZXSDR R8862A.
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Chapter 2 Product Structure
Figure 2-3 Software Architecture of the ZXSDR R8862A
The hardware platform is operating on the Linux operating system. The Board Support
Package (BSP) is a set of software closely related to board hardware and supports the
RealTime Operating System (RTOS) to operate on boards. The operating support layer
provides the following functions: OSS, SCS, OAM, DBS, BRS, and BRACS.
As a support layer of the entire software subsystem, the Operation Support
Sub-system (OSS) provides a hardware-independent platform for the entire software
architecture. It also provides some basic software functions, including scheduling,
timers, memory management, inter-module communication, sequence control,
monitoring, alarm reporting, and logging.
The System Control Sub-system (SCS) controls the power supply and the switchover
between active and standby power supplies.
The Operating And Maintenance subsystem (OAM) provides the configuration, alarm
management, and performance measurement functions.
The Data Base Sub-system (DBS) stores and manages system data.
The Barrier Sub-system (BRS) is used for protocol stack processing.
The Barrier Access Control Sub-system (BRACS) controls access to the bearer layer.
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Chapter 3
Operation and Maintenance
Remote Maintenance
The radio NE management system (NetNumen U31) is connected to a BBU and then to the
ZXSDR R8862A through a CPRI interface for remote operation and maintenance. Figure
3-1 shows a diagram of remote operation and maintenance.
Figure 3-1 Remote Operation and Maintenance
In remote maintenance mode, the NetNumen U31 system is connected to NEs through
the TCP/IP protocol. One NetNumen U31 system can maintain multiple base stations at
the same time.
Local Maintenance
The Local Maintenance Terminal (LMT), which is installed on a PC, is connected to the
ZXSDR R8862A through an Ethernet cable for local operation and maintenance. Figure
3-2 shows a diagram of local operation and maintenance.
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ZXSDR R8862A Product Description
Figure 3-2 Local Operation and Maintenance
You can query the following information on the LMT of the ZXSDR R8862A: power, power
increase and decrease, and calibration. The LMT is used to maintain a single base station.
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Chapter 4
Technical Specifications
Table of Contents
Physical Specifications ...............................................................................................4-1
Performance Specifications ........................................................................................4-1
Power Consumption ...................................................................................................4-3
EMC Specifications ....................................................................................................4-4
Reliability Specifications .............................................................................................4-4
4.1 Physical Specifications
There are two types of dimensions for different categories of bands. For a description of
the physical specifications of the ZXSDR R8862A, refer to Table 4-1.
Table 4-1 Physical Specifications
Item
Indices
422 mm × 218 mm × 133 mm (Height × Width × Depth), 12 L for 850 MHz/1800
Volume
MHz/2100 MHz/2600 MHz
425 mm × 220 mm × 165 mm (Height × Width × Depth), , 13.8 L for AP700 MHz
Weight
Color
15 kg for 850 MHz/1800 MHz/2100 MHz/2600 MHz
16 kg for AP700 MHz
Silvery grey
4.2 Performance Specifications
Operating Frequency Band
For a description of the operating frequency bands supported by the ZXSDR R8862A, refer
to Table 4-2.
Table 4-2 Operating Frequency Band
Model
Operating Frequency Band
R8862A S7200
AP700 MHz (Tx: 758 MHz–803 MHz; Rx: 703 MHz–748 MHz )
R8862A S8500
850 MHz (Tx: Tx: 869 MHz-894 MHz ; Rx: 824 MHz-849 MHz MHz)
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ZXSDR R8862A Product Description
Model
Operating Frequency Band
R8862A S1800
1800 MHz
Type1: Tx: 1805 MHz–1860 MHz; Rx: 1710 MHz–1765 MHz
Type2: Tx: 1825 MHz–1880 MHz; Rx: 1735 MHz–1785 MHz
Type3: Tx: 1825 MHz–1875 MHz; Rx: 1730 MHz–1780 MHz
R8862A S2100
2100 MHz (Tx: 2110 MHz–2170 MHz; Rx: 1920 MHz–1980 MHz)
R8862A S2600
2600 MHz (Tx: 2620 MHz–2690 MHz; Rx: 2500 MHz–2570 MHz)
Capacity
For a description of the capacity of the ZXSDR R8862A, refer to Table 4-3.
Table 4-3 Capacity
System
RRU Capacity
LTE single mode
2 2*4 MIMO carriers, 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15
MHz, and 20 MHz each carrier
GL dual-mode 1800 MHz
6 GSM TRXs + LTE 20 MHz
UL dual-mode 2100 MHz
2 UMTS carriers (MIMO) + 1 20 MHz 2*4 MIMO LTE carrier
4 UMTS carriers (non-MIMO) + 1 20 MHz 2*4 MIMO LTE
carrier
Cabinet-Top Output Power
For a description of the maximum cabinet-top output power of the ZXSDR R8862A, refer
to Table 4-4.
Table 4-4 Cabinet-Top Output Power
Model
PA Output Power
Cabinet-Top Output Power
R8862A S7200
2 × 75 W
2 × 60 W
R8862A S8500
2 × 75 W
2 × 60 W
R8862A S1800
2 × 75 W
2 × 60 W
R8862A S2100
2 × 75 W
2 × 60 W
R8862A S2600
2 × 50 W
2 × 40 W
Bandwidth
The ZXSDR R8862A supports all LTE bandwidths, including 1.4 MHz, 3 MHz, 5 MHz, 10
MHz, 15 MHz, and 20 MHz.
Receiving Sensitivity
For a description of the receiving sensitivity of the ZXSDR R8862A, refer to Table 4-5.
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Chapter 4 Technical Specifications
Table 4-5 Receiver Sensitivity
Mode
Frequency
Single Antenna
Dual Antennas
Four Antennas
Spectrum (MHz)
(dBm)
(dBm)
(dBm)
GSM
1800
-113.5
-115.5
N/A
UMTS
2100
-126.5
-129.2
N/A
LTE
AP700/850
-106.6
-109.4
-112.2
1800/2100/ 2600
-106.4
-109.2
-112
4.3 Power Consumption
For a description of the power consumption specifications of the ZXSDR R8862A, refer to
Table 4-6, Table 4-7 and Table 4-8.
Table 4-6 Power Consumption in LTE Single Mode
•
Module
Average PC (W)
Peak PC (W)
R8862A S7200
220
440
R8862A S8500
210
430
R8862A S1800
220
370
R8862A S2100
210
440
R8862A S2600
215
360
Configuration: LTE single carrier, 2 PA, 60 W/LTE
Table 4-7 Power Consumption in U/L Dual-mode
Configuration: 4U+1L 2*2 MIMO, 2PA, 20W/LTE, 20W/UMTS
•
Module
Average PC (W)
Peak PC (W)
R8862A S2100
250
420
Configuration: 4 U+1 L 2*2 MIMO, 2 PA, 20 W/LTE, 20 W/UMTS
Table 4-8 Power Consumption in G/L Dual-mode
Configuration: 4G+1L 2*2 MIMO, 2PA, 20W/LTE, 20W/GSM
•
Module
Average PC (W)
Peak PC (W)
R8862A S1800
245
370
Configuration: 4 G+1 L 2*2 MIMO, 2 PA, 20 W/LTE, 20 W/GSM
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ZXSDR R8862A Product Description
4.4 EMC Specifications
For a description of the Electro Magnetic Compatibility (EMC) specifications of the ZXSDR
R8862A, refer to Table 4-9.
Table 4-9 EMC Specifications
Electrostatic discharge immunity
Contact discharge: ±6000 V
Air discharge: ±8000 V
Surge immunity
DC power interface cable (ground): ±2000 V
4.5 Reliability Specifications
For a description of the reliability specifications of the ZXSDR R8862A, refer to Table 4-10.
Table 4-10 Reliability Specifications
MTBF
DC: ≥ 46,4000 hours
AC: ≥ 44,2000 hours
MTTR
1 hour
Availability
DC: ≥ 99.999784%
AC: ≥ 99.999774%
Duration for
DC: ≤ 1.133 minutes/year
out-of-service
AC: ≤ 1.189 minutes/year
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Chapter 5
Environment Requirements
Table of Contents
Operating Power Supply.............................................................................................5-1
Operating Environment Requirements........................................................................5-1
5.1 Operating Power Supply
For a description of the operating power supply specifications of the ZXSDR R8862A, refer
to Table 5-1.
Table 5-1 Operating Voltage Range
DC
–48 V (–37 V to –60V)
AC
220 V / 110 V (90 V to 280 V)
5.2 Operating Environment Requirements
For a description of the operating environment requirements of the ZXSDR R8862A, refer
to Table 5-2 .
Table 5-2 Operating Environment Requirements
Temperature
–40℃ to +55℃
Relative humidity
5%–95%
Protection level
IP66
Grounding resistance
≤5Ω
(< 10 Ω for the areas where the number of the days with lightning and
storm per year is smaller than 20)
Caution!
If the operating environment temperature is higher than 40℃, to avoid burns, never directly
touch the equipment surface. If you disassemble the equipment in this case, first switch
off its power supply. Do not disassemble the device until it cools down.
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FCC & IC STATEMENT
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may
cause undesired operation.
Note:
This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in
a commercial environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction manual,
may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own expense.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment
Caution!
This equipment should be installed and operated with minimum distance 4.22 m between
the radiator & your body.
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Figures
Figure 1-1
Position of the ZXSDR R8862A in a Wireless Network............................. 1-1
Figure 2-1
External View of the ZXSDR R8862A....................................................... 2-1
Figure 2-2
Logical Structure of the ZXSDR R8862A.................................................. 2-2
Figure 2-3
Software Architecture of the ZXSDR R8862A .......................................... 2-3
Figure 3-1
Remote Operation and Maintenance........................................................ 3-1
Figure 3-2
Local Operation and Maintenance............................................................ 3-2
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Tables
Table 2-1
ZXSDR R8862A Module Description ......................................................... 2-2
Table 4-1
Physical Specifications .............................................................................. 4-1
Table 4-2
Operating Frequency Band........................................................................ 4-1
Table 4-3
Capacity .................................................................................................... 4-2
Table 4-4
Cabinet-Top Output Power ........................................................................ 4-2
Table 4-5
Receiver Sensitivity ................................................................................... 4-3
Table 4-6
Power Consumption in LTE Single Mode................................................... 4-3
Table 4-7
Power Consumption in U/L Dual-mode ...................................................... 4-3
Table 4-8
Power Consumption in G/L Dual-mode...................................................... 4-3
Table 4-9
EMC Specifications ................................................................................... 4-4
Table 4-10
Reliability Specifications .......................................................................... 4-4
Table 5-1
Operating Voltage Range .......................................................................... 5-1
Table 5-2
Operating Environment Requirements ....................................................... 5-1
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Tables
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Glossary
64QAM
- 64 Quadrature Amplitude Modulation
BBU
- Base Band Unit
BRACS
- Bearer Access Control Subsystem
BRS
- Bearer Subsystem
BSP
- Board Support Package
CDMA
- Code Division Multiple Access
CPRI
- Common Public Radio Interface
DBS
- Database Server
DBS
- Database Subsystem
GSM
- Global System for Mobile Communications
IP
- Internet Protocol
LMT
- Local Maintenance Terminal
LTE
- Long Term Evolution
MTBF
- Mean Time Between Failures
MTTR
- Mean Time To Recovery
NE
- Network Element
OAM
- Operation, Administration and Maintenance
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ZXSDR R8862A Product Description
OAM
- Operating and Maintenance
OSS
- Operation Support Subsystem
PA
- Power Amplifier
PC
- Personal Computer
RRU
- Remote Radio Unit
RTOS
- Real-Time Operating System
SCS
- System Control Subsystem
SDR
- Software Defined Radio
TCP
- Transmission Control Protocol
UMTS
- Universal Mobile Telecommunication System
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