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    ZXSDR BS8900A Product Description

    ZTE Confidential Proprietary 2011 ZTE Corporation. All rights reserved. I

    ZXSDR BS8900A Product

    Description

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    ZXSDR BS8900A Product Description

    II 2011 ZTE Corporation. All rights reserved. ZTE Confidential Proprietary

    ZXSDR BS8900A Product Description

    Version Date Author Approved By Remarks

    V1.00 2011-11-07 ZTE Not open to the Third Party

    2011 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 documentis subjected to change without notice.

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    TABLE OF CONTENTS

    ZXSDR BS8900A Product Description ............................................................................ II

    TABLE OF CONTENTS .................................................................................................... III

    FIGURES IV

    TABLES IV

    1

    Product Overview ........................................................................................... 1

    1.1

    Introduction ....................................................................................................... 1

    1.2

    Benefits ............................................................................................................ 1

    1.3

    Application Scenarios ....................................................................................... 3

    2

    Product Architecture ...................................................................................... 3

    2.1

    Physical Structure ............................................................................................. 3

    2.2

    Hardware Architecture ...................................................................................... 4

    2.2.1

    Baseband Unit .................................................................................................. 5

    2.2.2

    Radio Unit ....................................................................................................... 14

    2.3

    Software Architecture ..................................................................................... 17

    2.4

    Functionality ................................................................................................... 18

    2.4.1

    Basic Functions .............................................................................................. 18

    2.4.2

    Service Functions ........................................................................................... 19

    3

    Technical Specifications .............................................................................. 19

    3.1

    Physical Indices .............................................................................................. 19

    3.2

    Performance Indices ....................................................................................... 20

    3.2.1

    Operation Frequency Band ............................................................................. 20

    3.2.2

    Receiver sensitivity ......................................................................................... 21

    3.2.3

    TOC Output Power ......................................................................................... 21

    3.3

    Power Indices ................................................................................................. 21

    3.3.1

    Power Supply ................................................................................................. 21

    3.3.2

    Power Consumption ....................................................................................... 21

    3.4

    Interface Indices ............................................................................................. 22

    3.5

    Environment Indices ....................................................................................... 23

    3.6

    Electromagnetic Compatibility Indices ............................................................ 23

    3.7

    Reliability Indices ............................................................................................ 24

    4

    Abbreviation .................................................................................................. 24

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    FIGURES

    Figure 1-1 BS8900A Appearance ......................................................................................... 1

    Figure 1-2 BS8900A Application Scenario ........................................................................... 3

    Figure 2-1 BS8900A Physical Architecture (Complete Style) ............................................... 4

    Figure 2-2 BS8900A Hardware Structure ............................................................................. 4

    Figure 2-3 Baseband Unit of BS8900A ................................................................................. 5

    Figure 2-4 CC Panel ............................................................................................................ 5

    Figure 2-5 UBPG Panel........................................................................................................ 7

    Figure 2-6 BPK Panel .......................................................................................................... 8

    Figure 2-7 FS Panel ............................................................................................................. 9

    Figure 2-8 SA Panel ............................................................................................................. 9

    Figure 2-9 UES Panel ........................................................................................................ 11

    Figure 2-10 TMA Panel ...................................................................................................... 11

    Figure 2-11 PM Panel ........................................................................................................ 12

    Figure 2-12 FAM Panel ...................................................................................................... 13

    Figure 2-13 Radio Unit RSU40/RSU60E of BS8900A ........................................................ 14

    Figure 2-14 Radio Unit RSU82 of BS8900A ....................................................................... 16

    Figure 2-15 BS8900A Software Structure .......................................................................... 17

    TABLES

    Table 2-1 Board List of Baseband Unit ................................................................................. 5

    Table 2-2 CC Panel Interfaces ............................................................................................. 6

    Table 2-3 FS Panel Interfaces .............................................................................................. 9

    Table 2-4 SA Panel Interfaces ........................................................................................... 10

    Table 2-5 SE Panel ............................................................................................................ 10

    Table 2-6 SE Panel Interfaces ........................................................................................... 10

    Table 2-7 UES Panel Interface ........................................................................................... 11

    Table 2-8 TAM Panel Interface ........................................................................................... 12

    Table 2-9 PM Panel Interfaces ........................................................................................... 12

    Table 2-10 RSU40/RSU60E Interfaces Description ............................................................ 14

    Table 2-11 RSU82 Interfaces Description .......................................................................... 16

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    Table 2-12 RF Module Brief List ......................................................................................... 17

    Table 3-1 BS8900A Physical Indices.................................................................................. 19

    Table 3-2 Different Combination of BS8900A ..................................................................... 20

    Table 3-3 BS8900A Operation Frequency Band ................................................................ 20

    Table 3-4 BS8900A Receiver Sensitivity ............................................................................ 21

    Table 3-5 BS8900A Output Power ..................................................................................... 21

    Table 3-6 BS8900A Power Supply Indices ......................................................................... 21

    Table 3-7 BS8900A GSM Configuration Power Consumption List (Unit: W, -48V DC) ....... 22

    Table 3-8 BS8900A UMTS Configuration Power Consumption (Unit: W, -48V DC,20W/Carrier) ......................................................................................................................... 22

    Table 3-9 BS8900A G/U Dual-mode Configuration Power Consumption (Unit: W, -48V DC,

    20W/TRX, 20W/Carrier) ........................................................................................................ 22

    Table 3-10 BS8900A Interface Indices ............................................................................... 22

    Table 3-11 BS8900A Working Environment Indices ........................................................... 23

    Table 3-12 BS8900A EMC Indices ..................................................................................... 23

    Table 3-13 BS8900A Reliability Indices (RSU82 Configured, DC Power Supply) ............... 24

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    1 Product Overview

    1.1 Introduction

    With the multi-mode era coming, ZTE, who is dedicated to provide comprehensive

    network solutions and deliver 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 series product to satisfy different

    scenario requirements, including Indoor Macro, Outdoor Macro, Distributed, Outdoor

    Micro, Mini BTS.

    The SDR based series product aims to design a unified network which can bring

    seamless experience to operators. In GSM, UMTS or mixed mode, it enables operators

    to make significant CAPEX and OPEX savings because they only need to deploy a uni

    Radio Access Network, compared to the costs involved with independent GSM and

    UMTS networks.

    ZXSDR BS8900A is one outdoor macro BTS, providing all in one solution for power

    supply, battery, and transmission integration. It offers GSM/UMTS dual-mode networking

    capability and provides a future-proof solution for smooth evolution to Enhanced EDGE,

    HSPA+ and LTE. BS8900As appearance is shown in Figure 1-1. In the followingchapters, a general description will be given to ZXSDR BS8900A (hereafter referred as

    BS8900A).

    Figure 1-1 BS8900A Appearance

    1.2 Benefits

    Easy Installation, Fast Deployment

    Complete Style Standard Style Compact Style

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    Four basic cabinets of BS8900A can be combined flexibly to cater for different scenarios.

    Auxiliary equipments, including transmission, battery and power supply, are integrated

    into the cabinet to provide a full functional outdoor base station solution. Front wiring

    design enables installation against wall and convenient maintenance. Least footprint

    requirement relieves the operator from bothering by the site acquisition problem.

    Large Capacity, Easy Expansion

    ZXSDR BS8900A can accommodate several kinds of multi-carrier RSUs, including 1T2R,

    2T4R RF modules. The 2T4R Radio Unit (RSU82) has the capability to support 2*4

    GSM TRXs or 2*2 UMTS carriers. Expansion is achieved through software configuration.

    Flexible GSM/UMTS Dual Mode Networking

    ZXSDR BS8900A meets GSM/UMTS dual mode networking requirements in different

    scenarios. It supports GSM 900+GSM 1800 dual band networking, and UMTS 900 can

    be realized in the same hardware with corresponding software upgrade. When GSM are

    configured initially, UMTS 2100 can be supported by adding new RF unit.

    Smooth Evolution

    ZXSDR BS8900A software and hardware support full-feature EDGE and UMTS/HSPA

    and satisfy operators future needs for data services. With software upgrade it is easy to

    realize the evolution to EDGE+ and HSPA+. Even in the LTE phase, through minimal

    change, ZXSDR BS8900A can support LTE functionality.

    Low Power Consumption

    The PA efficiency achieves up to 50% with ZTE patent Doherty + DPD + D-PT

    technology. Power consumption can be greatly decreased together with several energy-

    saving features.

    IP RAN

    ZXSDR BS8900A fully supports IP RAN and provides GE/FE or IPoverE1 for Abis/Iub

    interfaces.

    Adaptable to Transmission Networks

    BS8900A provides E1/T1, and GE/FE interfaces for Abis/Iub connection and supports

    various transmission networking schemes such as SDH network, IP networking and

    splitting transmission.

    Adaptable to Tough Environments

    Outdoor Macro BTS BS8900A adopts hermetic rack. It is water proof, dust proof, EMC

    compatible to suit the outdoor application scenarios. BS8900A provides IP55 protection

    capability, -40~55C working temperature, and C class lightning protection. BS8900A

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    can provide a fast deployment, low cost and equipment room free solution in tough

    environments.

    1.3 Application Scenarios

    BS8900A develops a new solution for GSM/UMTS integrated network and network

    evolution. BS8900A can be applied in dense urban, urban, suburban, rural area,

    highway or outdoor environment. Furthermore it can fully meet operators requirements

    in different stages and scenarios. BS8900A can be some combination of 4 basic

    cabinets and be a flexible and customized solution for outdoor application scenario. With

    IP55 protection capability and -40~55C working temperature, BS8900A can be used in

    tough environments.Figure 1-2 shows the application scenario of BS8900A.

    Figure 1-2 BS8900A Application Scenario

    2 Product Architecture

    2.1 Physical StructureBS8900A adopts standard 19 inches rack structure. It is composed of outdoor baseband

    cabinet BC8910A, outdoor radio cabinet RC8910A, outdoor radio cabinet RC8911A, and

    battery cabinet PC8910A. Typical configuration dimension of BS8900A is 1600mm *

    600mm * 600mm (H*W*D). With the 200mm bottom base and 16mm top cover, the total

    height reaches 1816mm.

    Outdoor baseband cabinet is also called site support cabinet, including power

    distribution shelf, fan shelf, baseband unit shelf, ventilation shelf, and additional space

    reserved for transmission or other equipments. Outdoor RF cabinets are used for

    containing radio unit, maximum supporting 6 RSUs. Battery cabinet supports maximum

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    2150AH battery. BS8900A complete style is shown in the following figure, consisting of

    one BC8910A, one RC8910A and one PC8910A. BS8900A single rack supports up to

    48 TRXs GSM or 30 CS UMTS.

    Figure 2-1 BS8900A Physical Architecture (Complete Style)

    RC8910A

    BC8910A

    PC8910A

    2.2 Hardware Architecture

    BS8900A consists of two main parts: baseband unit and radio unit as shown in the

    following figure.

    Figure 2-2 BS8900A Hardware Structure

    Baseband Unit

    Radio UnitSA/SE

    CC

    BasebandProcessing

    FSRSU

    E1

    Clock

    Data

    Control Signaling

    CPRI

    Antenna

    RF Unit

    GE/FE

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    2.2.1 Baseband Unit

    Baseband unit in BS8900A is responsible for processing the baseband signals.

    Figure 2-3 Baseband Unit of BS8900A

    The Baseband unit consists of control & clock board, fabric switch board, basebandprocessing board, site alarm board (optional), site alarm extension board (optional),

    universal Ethernet switch (optional), Tower mounted Amplifier control Module (optional),

    power module, and fan module.

    Table 2-1 Board List of Baseband Unit

    Board Name Function Description

    CC Control & Clock Board

    BasebandProcessing

    Unit

    UBPG Universal Baseband Processing board for GSM

    BPK Base band Processing type K for UMTS

    FS Fabric Switch Board

    InterfaceBoard

    SA Site Alarm Board

    SE Site alarm Extension Board

    UES Universal Ethernet Switch Board

    TAM Tower mounted Amplifier control Module

    PM Power Module

    FAM FAN Module

    2.2.1.1 Control & Clock Board (CC)

    CC is control & clock board, used for control and management of baseband unit,

    providing Ethernet and system clock. The CC panel is illustrated in the following figure.

    Figure 2-4 CC Panel

    Baseband Processin BoardFSPM

    SA

    FAM

    CC

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    Description of CC panel interfaces is shown in the following table.

    Table 2-2 CC Panel Interfaces

    Interface Name Description

    ETH0Ethernet interface between BS8900A and RNC, adapting interfaceof 10M/100M/1000M.

    ETH1Ethernet interface used for cascading, debugging or localmaintenance, adapting interface of 10M/100M/1000M.

    TX/RXUsed for Ethernet interface connection between BTS andBSC/RNC. This interface is 100M/1000M Ethernet opticalinterface.

    EXTExternal communication port, connected to external receiver,

    Mainly 485 and PP1S+/2M+ interfaces.

    REF External connection GPS antenna, SMA(F) interface

    Control & clock board functions are as follows:

    Ethernet switching function, implementing data switching for service and control

    flow within the system

    Iub interface protocol processing

    Monitoring, controlling and maintaining of the base station system, providing LMT

    interface

    Managing software versions of boards and programmable components, and

    supporting local and remote software upgrade

    Supervising the running status of each board within the system

    Synchronizing with various external reference clocks, including Abis/Iub interface

    recovery clock, the GPS clock, Synchronous Ethernet clock and the clock provided

    by BITS. CC can select one according to the actual configuration.

    Generating and delivering the clock signal demanded by each part

    Providing GPS receiver interface and managing the GPS receiver

    Providing a real-time clock for system operation and maintenance. The real-time

    clock can be calibrated.

    Board power interface (-48V, -48V ground, protection ground, digital ground) with

    reverse connection protection function

    Reading various hardware management identifiers in the system, including the rack

    number, backplane type number, slot number, board function type, board version,

    and board function configuration mark

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    Supporting primary/slave switchover

    2.2.1.2 Baseband Processing Unit

    2.2.1.2.1 Baseband Processing Unit for GSM

    UBPG

    UBPG is the GSM baseband processing board. It processes the physical layer protocol

    and frame protocol specified by 3GPP. UBPG panel is illustrated in the following figure.

    Figure 2-5 UBPG Panel

    UBPG has the following functions:

    Achieving rate adaptation, channel coding, interleaving, encryption, generate

    TDMA shock burst, GMSK/8PSK modulation, IQ baseband digital signals output

    Achieving uplink IQ data receiving, receiver diversity combiner, digital demodulation(GMSK&8PSK, equilibrium), decryption, deinterleaving, demodulator, rate

    adaptation, GE Ethernet interface transmit it to CC board for processing

    Radio link synchronization, transmission frame processing

    Measuring parameters required in power control and handover

    Diversified transmission and receiving

    Communicating with CC board via Ethernet interface

    Reading all the hardware management identifiers, including the backplane type

    number, slot number, board function type, board version, board function

    configuration identifier, and the CPU serial number

    2.2.1.2.2 Baseband Processing Unit for UMTS

    BPK

    BPK is the UMTS baseband processing board. It processes the physical layer protocol

    and frame protocol specified by 3GPP. BPK panel is illustrated in the following figure.

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    Figure 2-6 BPK Panel

    It provides the following functions:

    Achieving downlink baseband signal processing, including downlink data coding,

    multiplexing, rate adaptation, channel mapping, spread spectrum and

    scrambling power regulation and channel compositing

    Achieving uplink baseband signal processing, including uplink data RAKE receiving,

    demodulator, transmitting the data to lub interface for processing

    Downlink data coding/multiplexing, rate matching, channel mapping, spreading and

    scrambling, power adjusting, and channel compositing

    Uplink signal RAKE receiving and channel decoding

    Radio link synchronization and Frame processing

    Measuring parameters required in power control and handover

    Softer handover and carrier diversity

    Communicating with the CC board via the Ethernet interface

    Reading all the hardware management identifiers, including the backplane type

    number, slot number, board function type, board version, board function

    configuration identifier, and the CPU serial number

    Performing UL 16QAM, and the peak rate throughput can reach 11.5Mbps

    Supporting A-RAKE receiving and UL interface cancellation

    2.2.1.3 Fabric Switch Board (FS)

    FS is fabric switch board which provides baseband optical interface between BBU and

    RRU and processes the IQ signal. FS panel is illustrated in the following figure.

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    Figure 2-7 FS Panel

    Description of FS panel interfaces is shown in the following table.

    Table 2-3 FS Panel Interfaces

    Interface Name Description

    TX0 RX0 ~ TX5 RX56 pairs optical interfaces, connected toRRU

    The FS has the following functions:

    Receive the signal from the rear board in the downlink and retrieve the data and

    timing.

    Multiplex the received data and retrieve I/Q signal

    I/Q mapping in the downlink and multiplex I/Q signal to the optical signals.

    Receive the I/Q in uplink and demultiplex/mapping into I/Q signal

    The multiplexed I/Q signal transmit to BP

    Exchange CPU interface signaling through HDLC interface with RF module

    MicroTCA protocol based module management function

    2.2.1.4 Interface Board

    1. Site Alarm Board (SA)

    SA/SE is a site alarm board, illustrated in the following figure.

    Figure 2-8 SA Panel

    Description of SA panel interface is shown in the following table.

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    Table 2-4 SA Panel Interfaces

    Interface Name Description

    - 8 E1/T1 interfaces,

    1 RS485,1RS232 interface,

    6+2 dry contacts (6 input interfaces, 2 bidirectional interfaces)

    The SA has the following functions:

    Providing E1/T1 transmission interfaces for Iub.

    Providing site alarm monitoring interfaces.

    Providing FAM's alarm and rate control.

    Being responsible for the signal monitoring and interface lightning protection of its

    shelf.

    2. Site alarm Extension Board (SE)

    SE is site alarm extension board, and shares the bottom-right slot with Baseband

    processing board. It is used to extend the port number if SA cannot fulfill the

    requirements. The SE panel is illustrated in the following figure.

    Table 2-5 SE Panel

    Description of SE panel interfaces is shown in the following table.

    Table 2-6 SE Panel Interfaces

    Interface Name Description

    - 8 E1/T1 interfaces,

    1 RS485,

    1RS232 interface,

    6+2 dry contacts (6 input interfaces, 2 bidirectional interfaces)

    SE board can provide the following functions:

    Providing E1/T1 transmission interfaces for Iub.

    Providing site alarm monitoring interfaces.

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    2.2.1.5 Universal Ethernet Switch Board (UES)

    UES is used for synchronized Ethernet and the panel is illustrated in the following figure.

    Figure 2-9 UES Panel

    Description of UES panel interfaces is shown in the table below:

    Table 2-7 UES Panel Interface

    Interface Name Description

    X1X2 The electrical interfaces for cascaded connection.

    X3/ULPINK A compatible electrical interface for both cascaded connectionand uplink connection for link aggregation.

    UPLINK An electrical or optical interface.

    X4/UPLINK A compatible optical interface for both cascaded connection anduplink connection for link aggregation.

    UES provides the following functions:

    6 Ethernet interfaces, including 4 electrical interfaces and 2 optical interfaces

    Supporting L2 Ethernet switch

    Supporting Synchronous Ethernet clock

    2.2.1.6 Tower mounted Amplifier control Module (TAM)

    TAM is used for tower mounted amplifier control when TMA is needed. Panel of TAM is

    shown as following figure.

    Figure 2-10 TMA Panel

    Description of the Interfaces on the TAM panel is shown in the table below.

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    Table 2-8 TAM Panel Interface

    Interface Name Description

    TA0 DC output voltage channel 0

    TA1 DC output voltage channel 1

    TA2 DC output voltage channel 2

    TA3 DC output voltage channel 3

    TA4 DC output voltage channel 4

    TA5 DC output voltage channel 5

    The board provides the following functions:

    Working status detection of tower amplifier and reporting alarm signals to CC board

    Providing power on and off for tower amplifier with +28V, +12V or +13V power

    supply

    Realizing the communication with CC board

    Implementing conversion, protection and filtering of power supply

    Providing anti-lightning for power supply circuit

    Implementing software remote downloading and current threshold setting

    2.2.1.7 Power Module (PM)

    PM is the power module, illustrated in the following figure.

    Figure 2-11 PM Panel

    Description of PM panel interface is shown in the following table.

    Table 2-9 PM Panel Interfaces

    Interface Name Description

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    MONDebugging interface, RS232interface

    -48V/-48VRTN -48V input

    ON/OFF Power switch, turning on/off 12V powerto/from BBU

    The PM has the following functions:

    16 internal interfaces for +12 V load power;

    16 internal interfaces for +3.3 V management power;

    EMMC management;

    Measurement and protection of input over-voltage/under-voltage;

    Output over-current protection and load power management.

    2.2.1.8 Fan Array Module (FAM)

    FAM is fan array module which panel is illustrated in the following figure.

    Figure 2-12 FAM Panel

    The FAM main functions are as follows:

    System temperature monitor and control;

    Monitor, control, and report of fan state.

    2.2.1.9 AC/DC Power System

    The power system of BC8910A contains 4*30A AC/DC rectifiers. It is 5U in height. Its

    configuration depends on the load and the backup battery capacity.

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    2.2.2 Radio Unit

    2.2.2.1 RSU40

    RSU40 is UMTS multi-carrier radio unit, working on 2100M/AWS. RSU40 supports

    maximum 4 carriers, and the output power is 60W.

    RSU40 module consists of MCPA (multi-carrier power module) module, transceiver

    module, and duplex filter LNA. There are one TX/RX port and one RX port for

    connecting antennas.

    2.2.2.2 RSU60E

    RSU60E is a multi-carrier RF module, working on 850M/900M/1800M/1900M. It can beconfigured as GSM only, UMTS only or dual mode module. RSU60E maximum supports

    6 TRXs in GSM mode. The maximum of 80W TOC output power can be provided. In

    dual mode, RSU60E maximum supports 4 GSM TRXs and 1 UMTS carrier or 2 GSM

    TRXs and 2 UMTS carriers.

    RSU60E module consists of MCPA module, transceiver module, and duplex filter LNA.

    There are one TX/RX port and one RX port for connecting antennas.

    The appearance of RSU40 is nearly the same as that of RSU60E, except the label, as

    shown in the following figure.

    Figure 2-13 Radio Unit RSU40/RSU60E of BS8900A

    10

    8

    6

    7

    3

    1

    9

    2 5

    4

    The interfaces of RSU40 are the same as those of RSU60E, as described in the

    following table.

    Table 2-10 RSU40/RSU60E Interfaces Description

    S.N. Label Interface Type/Connector

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    1 ANT2(RX)Interface to receive diversityRF cable

    50 DIN type connector

    2 ANT1(TX/RX)Interface to transmit/receivemain diversity RF cable

    50 DIN type connector

    3 RXinFrequency extensioninterface

    SMA connector

    4 RXoutFrequency extensioninterface

    SMA connector

    5 TX1 RX1BBU and RSU Interface/RSU cascading interface

    LC-type optical interface (IEC874)

    6 TX2 RX2BBU and RSU Interface/RSU cascading interface

    LC-type optical interface (IEC874)

    7 DBGDebugging networkinterface

    RJ45 socket

    8 MON External equipmentinterface

    DB15 socket

    9 AISG AISG interface B9 socket

    10 POWER Power supply interface -48V DC input

    2.2.2.3 RSU82

    RSU82 is a multi-carrier and multi-mode RF module, working on 900M/1800M/2100M.

    One RSU82 can process 2-way transmitting and 4-way receiving, thus supporting 2

    sectors in GSM/UMTS or 1 sector with 2*2 MIMO in HSPA+ mode. RSU82 can be

    configured as GSM only, UMTS only or mixed mode. In GSM mode, RSU82 maximumsupports 2*4 TRXs. The maximum of TOC output power reaches up to 2*80W. In UMTS

    mode, it maximum supports 2*20MHz with TOC output power 2*80W on 900M or 2*60W

    on 2100M. In dual mode, RSU82 maximum supports 2*(4 TRXs + 1 carrier) or 2*(2

    TRXs + 2 carriers).

    RSU82 module consists of MCPA module, transceiver module, and duplex filter LNA.

    There are two TX/RX port and two RX port for connecting antennas.

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    Figure 2-14 Radio Unit RSU82 of BS8900A

    2

    1

    3

    4

    10

    8

    6

    7

    9

    5

    The interfaces of RSU82 are described in the following table.

    Table 2-11 RSU82 Interfaces Description

    S.N. Label Interface Type/Connector

    1 ANT2(RX)Interface to receivediversity RF cable

    50 DIN type connector

    2 ANT1(TX/RX)Interface totransmit/receive maindiversity RF cable

    50 DIN type connector

    3 ANT3(TR/RX)

    Interface to

    transmit/receive maindiversity RF cable

    50 DIN type connector

    4 ANT4(RX)Interface to receivediversity RF cable

    50 DIN type connector

    5 TX1 RX1BBU and RRUInterface /RRUcascading interface

    LC-mode optical interface (IEC 874)

    6 TX2 RX2BBU and RRUInterface /RRUcascading interface

    LC-mode optical interface (IEC 874)

    7 DBGDebugging network

    interface

    RJ45 socket

    8 MONExternal equipmentinterface

    DB15 socket

    9 AISG AISG interface B9 socket

    10 POWER Power supply interface -48V DC input

    All the above RF modules can be inserted into BS8900A for different applications. The

    following table gives a brief summary of all the RF modules.

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    Table 2-12 RF Module Brief List

    Radio Tx/Rx Frequency (Hz) Mode TOC

    RSU40 1T2R

    2100M

    U 60WAWS

    RSU60E 1T2R

    850M G/U

    80W900M G/U

    1800M G

    1900M G/U

    RSU82 2T4R

    900M G/U2*80W

    1800M G

    2100M U 2*60W

    2.3 Software Architecture

    The software system of BS8900A can be divided into operating support layer and

    application layer.

    Figure 2-15 BS8900A Software Structure

    The operating support layer provides the functions of OSS, while OAM, DBS, BRS,

    BRACS, and SCS serve different BTS modes.

    OSS

    GSM Function UMTS Function

    NOP

    OMC-B

    SCS OAM DBS BRACSBRS

    VOS

    Sche. Timer Moni. CPP Excep Mem BBX File DBG

    Hardware (BSP)

    VxWorks

    LMT

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    OAM (Operating and Maintenance) is to provide the configuration, alarm and

    performance measurement function.

    DBS (Database Sub-system) is the database system.

    BRS (Bearer Sub-system) is for protocol stack processing.

    BRACS (Bearer Access Control Sub-system) is to control the access to bear layer.

    SCS (System Control Sub-system) is to control the power supplying and

    active/standby switching.

    OSS (Operation Support Sub-system) is the support layer in this entire framework, which

    is a hardware platform for running software and provides basic functions like scheduling,

    timer, memory management, communication, sequencing control, monitoring, alarming

    and logging.

    BSP (Board Support Package) supports the data routing to the GSM, UMTS and public

    parts in the application layer.

    2.4 Functionality

    2.4.1 Basic Functions

    Being compliant with 3GPP standards, including GSM Phase I/Phase II Phase II plus, aswell as UMTS R99/R4/R5/R6/R7/R8/R9, ZXSDR BS8900A supports G/U 900, G/U 850,

    G 1800 and G/U 1900, UMTS 2100, even mixed installation of boards with different

    frequencies in the same cabinet.

    With Um/Uu, Abis/Iub and O&M interfaces, ZXSDR BS8900A accomplishes the

    following basic functions

    With Um/Uu interface, the base station accomplishes UE access and radio link

    transmission including RF processing, channel coding and decoding, channel

    multiplexing and de-multiplexing, measuring and reporting, power control, transmit

    diversity, receiving diversity, calibration and synchronization.

    with Abis/Iub interface, the base station connects with BSC/RNC and accomplishes

    the following functions including cell management, reporting BS measurement

    information, broadcasting system Information, implementing access control from

    BSC/RNC, mobility management, radio resource management and controlling, FP

    processing and ATM transmission management.

    With operating and maintenance interface, the base station provides system

    management functions including configuration management, alarm management,

    status checking and system monitoring.

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    2.4.2 Service Functions

    Main service functions of ZXSDR BS8900A are listed as follows:

    GSM voice service (FR/EFR/HR/AMR/AMR-WB), GPRS, EDGE, EGPRS2-A of E-

    EDGE

    UMTS R99 service, HSPA (DL 14.4Mbps/UL 5.76Mbps/), HSPA+ (DL

    43.2Mbps/UL 11.5Mbps)

    MBMS service, including broadcast and multicast functions (PtP & PtM)

    Supports 64QAM, MIMO, DC, DC + 64QAM, MIMO + 64QAM for DL

    Supports 16QAM, A-RAKE technology, interference cancellation for UL

    Advanced energy-saving features, such as dynamic power sharing, intelligent Cell

    shutdown

    Supports BSS local switch, and the voice data frame will switch in BSS and will not

    go to core network

    Several measures to make cell range extended up to 240 Km

    Supports basic interworking between G/U and LTE network

    Support full IP networking

    3 Technical Specifications

    3.1 Physical Indices

    Table 3-1 BS8900A Physical Indices

    Item BC8910A RC8910A RC8911A PC8910A

    Appearance

    Dimension(H*W*D)

    ( mm*mm*mm)800*600*600 800*600*600 800*600*600 800*600*600

    Weight of fullconfigurationwithout battery

    82Kg

    127Kg(RSU40,RSU60E)

    139Kg (RSU82)

    93Kg(RSU40/RSU60E)99Kg (RSU82)

    47Kg

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    Weight of fullconfiguration withbattery

    N/A N/A277Kg(RSU40/RSU60E)283 Kg (RSU82)

    415Kg

    RF module N/A 6 RSUs 3*RSUs N/A

    Battery N/A N/A 150AH 2*150AH

    Note: 1. BS8900A has totally 4 basic cabinets. 2. The basic cabinets can be flexibly

    combined together according to the actual application scenarios.

    Table 3-2 Different Combination of BS8900A

    Item Complete StyleStandard

    StyleCompact Style

    Cabinet

    Combination

    BC8910A +

    RC8910A+ PC8910A

    BC8910A+

    RC8910A

    BC8910A+RC8911A

    Appearance

    Dimension(H*W*D)

    ( mm*mm*mm)1600*(1200+100)*600 1600*600*600 1600*600*600

    Weight of full

    configurationwithout battery

    260Kg (RSU40,

    RSU60E)270Kg (RSU82)

    195Kg(RSU40,

    RSU60E)205Kg(RSU82)

    180Kg (RSU40,

    RSU60E)185Kg (RSU82)

    RF Modules 6*RSUs 6RSUs 3*RSUs

    Power Supply AC+2*150AH DC AC+150AH

    Note: Minimally 100mm interval between two cabinets standing on the ground is

    reserved for wiring or maintenance in complete style.

    3.2 Performance Indices

    3.2.1 Operation Frequency Band

    Table 3-3 BS8900A Operation Frequency Band

    Item Indices

    Frequency BandGSM: 850M/900M/1800M/1900M

    UMTS: 850M/900M/1800M/1900M//2100M/AWS

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    3.2.2 Receiver sensitivity

    Table 3-4 BS8900A Receiver Sensitivity

    Item Indices

    Receiver sensitivity

    -113.5dBm@GSM single antenna

    -126.5dBm@UMTS single antenna

    -129.2dBm@UMTS double antennas

    -131.9dBm@UMTS four antennas

    3.2.3 TOC Output Power

    Table 3-5 BS8900A Output Power

    Radio Unit Type TOC Output Power

    RSU40 60W

    RSU60E 80W

    RSU822*80W (900/1800MHz)

    2*60W (2100MHz)

    3.3 Power Indices

    3.3.1 Power Supply

    Table 3-6 BS8900A Power Supply Indices

    Item Indices

    Power supply, voltage range of variation

    -48V DC (-57V DC~ -40V DC)

    220V AC (176V AC~ 264V AC)

    380V AC (phase voltage as above)

    Battery back-up Maximum 2*150AH

    3.3.2 Power Consumption

    3.3.2.1 GSM Single Mode

    RSU82 is based on MCPA technology. It supports maximum 2*4 TRXs for GSM.

    RSU60E is based on MCPA technology. It supports maximum 6 TRXs for GSM.

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    Table 3-7 BS8900A GSM Configuration Power Consumption List (Unit: W, -48V DC)

    Station S4/4/4 S8/8/8

    Radio Module Frequency Average

    Peak

    Average

    Peak

    RSU82

    (20W/TRX)

    900M 685 1150 1135 2050

    1800M 705 1190 1175 2130

    Station S6/6/6 S12/12/12

    Radio Module Frequency Average Peak Average Peak

    RSU60E

    (13W/TRX)

    850M/900M 670 1165 1275 2165

    1800M/1900M 715 1225 1360 2285

    3.3.2.2 UMTS Single Mode

    Table 3-8 BS8900A UMTS Configuration Power Consumption (Unit: W, -48V DC,20W/Carrier)

    Station S111 S222 S333

    RadioModule

    Frequency Average Peak

    Average

    Peak

    Average Peak

    RSU40 2100M 400 605 475 785 615 975

    RSU60E 850M/900M 460 665 535 795 635 1000

    RSU822100M 355 590 460 775 585 950

    900M 510 745 615 875 - -

    3.3.2.3 GSM/UMTS Dual Mode

    Table 3-9 BS8900A G/U Dual-mode Configuration Power Consumption (Unit: W, -48VDC, 20W/TRX, 20W/Carrier)

    S444(G)+S111(U)

    Radio Module Name Average Peak

    RSU60E (850M/900M) 755 1185

    RSU82 (900M) 730 1185

    3.4 Interface Indices

    Table 3-10 BS8900A Interface Indices

    Interface Item Indices Type Standard

    Abis/Iub E1/T116 pairs(8pairsoptional)

    DB44 ITU G.703/G.704

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    Ethernet(either or)

    1 10M/100M/1000Melectrical

    Auto-Negotiation.

    Auto-MDI/MDIX

    RJ4510/100/1000BASE-T IEEE 802.3compatible

    1 1000M optical

    Or 1 100M optical

    SFP(LC)

    1000BASE-LXIEEE 802.3compatible

    100BASE-FX IEEE802.3 compatible

    Cascading,Debugging orLocalMaintenance

    Ethernet

    1 10M/100M/1000Melectrical

    Auto-Negotiation.

    Auto-MDI/MDIX

    RJ4510/100/1000BASE-T IEEE 802.3compatible

    Baseband/Radio CPRI 12 pairsSFP(LC)

    CPRI 2.0

    Clock GPS 1 SMAGPS TX/RX Port

    NMEA 0183 V3.0

    3.5 Environment Indices

    Table 3-11 BS8900A Working Environment Indices

    Item Indices

    Temperature

    -40~55C (AC Power Supply)

    -20~55C (DC Power Supply)

    Relative Humidity 5%~100%

    Waterproof/Dustproof IP55

    Ground5. Earth resistance can be less than 10in thunder less area where there are lessthan 20 thunderstorm days in a year.

    Mechanical vibration ETSI 300019-1-4 ClassM4.1

    3.6 Electromagnetic Compatibility Indices

    Table 3-12 BS8900A EMC Indices

    Item Indices

    Anti-static protectionCapable of protecting against the contactdischarge of 6000V, Air discharge of8000V.

    Surge anti-interference requirement 2000V between lines and the ground.

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    3.7 Reliability Indices

    In ZXSDR BS8900A, the algorithm of system reliability is based on the national military

    GJB/Z299B Electronic Equipment Reliability Estimation Manual and US militaryhandbook MIL-HDBK-217F Electronic Equipment Reliability Estimation.

    Table 3-13 BS8900A Reliability Indices (RSU82 Configured, DC Power Supply)

    Item Indices

    MTBF 140,000 hours

    MTTR 0.5 hours

    Availability index: 99.999643%

    Down duration

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    DTX Discontinuous transmission

    EDGE Enhanced Data rates for GSM Evolution

    E-EDGE Enhanced EDGE

    EFR Enhanced Full Rate

    FAM FAn Module

    FE Fast Ethernet

    FP Frame Protocol

    FR Full Rate

    FS Fabric Switch

    GE Gigabit Ethernet

    GERAN GSM Edge Radio Access Network

    GPS Global Positioning System

    GSM Global System for Mobile communicationsHR Half Rate

    HSPA+ HSPA Evolution

    LTE Long Term Evolution

    MicroTCA Micro Telecommunications Computing Architecture

    MIMO Multi Input Multi Output

    MS/UE Mobile Station/User Equipment

    MTBF Mean Time Between Failures

    MTTR Mean Time To Recovery

    NBAP Node B Application Part

    OAM Operating And Maintenance

    OPEX OPeration EXpenditure

    OSS Operation Support Sub-system

    PM Power Module

    PS Packet Switch

    PtM Point to Multi-point

    PtP Point to Point

    RF Radio Frequency

    RNC Radio Network Controller

    RRU Remote Radio Unit

    RTT Round Trip Time

    SA Site Alarm

    SCS System Control Sub-system

    SDH Synchronous Digital Hierarchy

    SDR Software Defined Radio

    SE Site Alarm Extension

    TA Time Advance

    TAM Tower mounted Amplifier control Module

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    TMA Tower Mounted Amplifier

    TNS Transport Network Sub-system

    UBPG Universal Baseband Processing board for GSM

    UES Universal Ethernet Switch Board

    UL Up Link

    USB Universal Serial Bus

    UTRAN UMTS Terrestrial Radio Access Network

    VxWorks Winder River provided OS

    WCDMA Wideband Code Division Multiple Access

    WiMAX Worldwide Interoperability for Microwave Access