ZTE R8881S1900L, R8881S1900H, R8881S8500 User Manual
ZXSDR R8881 Product Description
UR13
Version
Date
Author
Reviewer
Notes
V1.00
2014-05-30
Yang Lisha
Chen Yong, Yang
Xu
First release, information of GSM, UMTS
dual-mode are all included
© 2015 ZTE Corporation. All rights reserved.
ZTE CONFIDENTIAL: This document contains proprietary information of ZTE and is not to be disclosed or used
without the prior written permission of ZTE.
Due to update and improvement of ZTE products and technologies, information in this document is subjected to
change without notice.
ZXSDR R8881 Product Description
ZXSDR R8881 Product Description
ZTE Confidential & Proprietary 1
ZXSDR R8881 Product Description
TABLE OF CONTENTS
1 Overview ............................................................................................................ 5
1.1 Introduction .......................................................................................................... 5
1.2 Benefits ................................................................................................................ 5
1.3 Application Scenarios .......................................................................................... 6
2 Product Architecture ......................................................................................... 7
2.1 Physical Structure ................................................................................................ 7
2.2 Hardware Structure .............................................................................................. 7
2.2.1 Transceiver (RTR) ............................................................................................... 8
2.2.2 Power Amplifier (PA) .......................................................................................... 10
2.2.3 Duplexer (DFL) .................................................................................................. 10
2.2.4 Power Supply (PWR) ......................................................................................... 11
2.2.5 Lightning Protection Module (PIB) ...................................................................... 11
2.3 External Interfaces ............................................................................................. 11
2.4 Software Architecture ......................................................................................... 13
2.5 Functionality ....................................................................................................... 14
3 Technical Specifications ................................................................................. 15
3.1 Physical Indices ................................................................................................. 15
3.2 Performance Indices .......................................................................................... 16
3.2.1 Operation Frequency Band ................................................................................ 16
3.2.2 Capacity ............................................................................................................. 16
3.2.3 Receiver Sensitivity ............................................................................................ 16
3.2.4 TOC Output Power ............................................................................................ 17
3.3 Power Indices .................................................................................................... 17
3.3.1 Power Supply ..................................................................................................... 17
3.3.2 Power Consumption ........................................................................................... 17
3.4 Transmission ..................................................................................................... 18
3.5 Working Environment ......................................................................................... 18
3.6 Electromagnetic Compatibility ............................................................................ 18
3.7 Reliability ........................................................................................................... 19
4 Installation ....................................................................................................... 19
5 Configurations ................................................................................................. 20
6 Warning and Note ............................................................................................ 20
7 Abbreviation .................................................................................................... 21
2 ZTE Confidential & Proprietary
ZXSDR R8881 Product Description
ZTE Confidential & Proprietary 3
ZXSDR R8881 Product Description
FIGURES
Figure 1-1 R8881 Physical Structure .................................................................................. 5
Figure 2-1 R8881 System Structure .................................................................................... 7
Figure 2-2 R8881 External Interfaces ................................................................................12
Figure 2-3 SDR BTS Software Structure ............................................................................13
TABLES
Table 2-1 R8881 Modules ................................................................................................... 7
Table 2-2 R8881 External Interfaces Description ...............................................................12
Table 3-1 R8881 80W Physical Indices..............................................................................15
Table 3-2 R8881 80W Operation Frequency Band ............................................................16
Table 3-3 R8881 80W Capacity .........................................................................................16
Table 3-4 R8881 Static Receiver Sensitivity ......................................................................16
Table 3-5 R8881 TOC Output Power .................................................................................17
Table 3-6 R8881 Power Supply .........................................................................................17
Table 3-7 R8881 80W Power Consumption in UMTS Single Mode ....................................17
Table 3-8 R8881 80W Power Consumption in GSM Single Mode ......................................17
Table 3-9 R8881 80W Power Consumption in G/U Dual-Mode ..........................................18
Table 3-10 R8881 CPRI Interfaces ....................................................................................18
Table 3-11 R8881 Environment Condition Compatibility ....................................................18
Table 3-12 R8881 Reliability Characteristics ......................................................................19
4 ZTE Confidential & Proprietary
1 Overview
1.1 Introduction
With the multi-mode era coming, ZTE, who is dedicated to providing comprehensive
network solutions and delivering the future-oriented quality network for the operators,
developed the ground breaking SDR unified platform with the essential feature to support
multi-mode and multi-band radio access.
Based on this innovative SDR platform, ZTE promotes a series of products to satisfy
different scenario requirements, including the indoor macro, outdoor macro, distributed,
outdoor micro, mini and pico base station. In this document, R8881 is introduced.
ZXSDR R8881 Product Description
ZTE ZXSDR R8881 (hereinafter referred to as R8881) is a distributed Remote Radio Unit
(RRU) used in ZTE Uni-RAN solution, with 1-way transmitting and 2-way receiving.
R8881 80W works in GSM or UMTS single mode or multi-mode.
Figure 1-1 R8881 Physical Structure
1.2 Benefits
R8881 is one of the most widely used remote radio units in ZTE SDR base station series.
The following part lists the key benefits for operators.
High performance
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ZXSDR R8881 Product Description
To meet with the growing demands for wide working bandwidth, R8881 modules
with full working bandwidth are released. Maximum working bandwidth of R8881 is
75MHz for 1800M band and 35MHz for 900M band. For frequency spectrums
become scarce, resources allocated for operators tend to be characterized with
fragmentation and large span. RRUs with full working bandwidth integrate more
spectrum resources and help to decrease hardware investment exponentially. (This
is the maximum bandwidth of the RF modules. Please make the actual module as
the standard.)
Clearer and simpler network
R8881 supports GSM, UMTS, or mixed technologies. Instead of running hardware
on independent platforms for each technology, operators can implement various
wireless technologies in software on the same hardware platform.
Since hardware platforms can be reused, there is significantly less investment risk
for deploying hardware. Wireless technologies are developing so fast, and investing
on one technology may bring risks to operators. SDR-based solutions will decrease
the investment risk since SDR platform can support various technologies.
High PA Efficiency, Low Power Consumption
The PA of R8881 achieves high efficiency with ZTE patent Doherty, Digital
Pre-Distortion (DPD) and Dynamic Power Trace (D-PT) technologies. The PA
power supply voltage is dynamically adapted to the output power, reducing RU’s
power consumption.
1.3 Application Scenarios
The R8881s and one base band unit (BBU) form a complete BTS/NodeB. It implements
radio transmission in the covered area, controls radio channels and communicates with
the Base Station Controller (BSC/RNC). It supports indoor and outdoor applications.
6 ZTE Confidential & Proprietary
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