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RRU3606 CDMA Base Station Product Description

Commercial in Confidence

Page 20 of 43

The two sets of receiving equipment demodulate the received signals at the same time.

Then the signals are sent to the baseband processing unit of the upper-level BTS. This

unit decodes the signals with diversity combining algorithm to provide certain diversity

gain.

Receiving diversity enhances the anti-attenuation capability of the receiver, and

ensures the receiving effect of the RRU3606 under complicated radio environment.

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Содержание BSS7.0 RRU3606

Страница 1: ...BSS7 0 RRU3606 CDMA Base Station Product Description ...

Страница 2: ...Ltd provides customers with comprehensive technical support and service Please feel free to contact our local office or company headquarters Huawei Technologies Co Ltd Address Administration Building Huawei Technologies Co Ltd Bantian Longgang District Shenzhen P R China Postal Code 518129 Website http www huawei com ...

Страница 3: ...uawei Technologies Co Ltd in the People s Republic of China and certain other countries All other trademarks and trade names mentioned in this document are the property of their respective holders Notice The information in this manual is subject to change without notice Every effort has been made in the preparation of this manual to ensure accuracy of the contents but all statements information an...

Страница 4: ...t BTSs 7 2 4 Flexible Networking 7 2 4 1 Networking Topology 7 2 4 2 Clock Sources 8 2 5 Easy Installation 8 2 6 Strong Environment Adaptability 9 2 7 Convenient Operation and Maintenance 9 2 7 1 System Status Monitoring 9 2 7 2 Data Configuration 9 2 7 3 Alarm Processing 9 2 7 4 Security Management 9 2 7 5 Test Function 10 2 7 6 Upgrade 10 2 7 7 Auto Restart 10 2 8 Easy Upgrade and Expansion 10 2...

Страница 5: ...sign 21 5 1 2 Quality Control of Components 21 5 1 3 Thermal Design 22 5 1 4 EMC Design 22 5 1 5 Reliability Measures for Input Power 22 5 1 6 Maintainability Design 22 5 1 7 Fault Monitoring and Handling 22 5 2 Hardware Reliability 22 5 3 Software Reliability 23 5 3 1 Periodic Check on Key Resources 23 5 3 2 Process Monitoring 23 5 3 3 Data Check 23 5 3 4 Fault Isolation 23 5 3 5 Log Function 23 ...

Страница 6: ...ations 33 7 2 1 Cascading Specifications for CDMA2000 1X ServicesError Bookmark not defined 7 2 2 Cascading Specifications for CDMA2000 1xEV DO ServicesError Bookmark not defined 7 3 Physical and Electrical Specifications 33 7 4 Reliability Specifications 34 7 5 Compliant Safety Standards 34 7 6 EMC Standards 34 7 7 Environment Requirements 36 7 7 1 Storage Environment 36 7 7 2 Transportation Envi...

Страница 7: ...ermediate frequency signals implementing amplification analog digit conversion digital down conversion matched filtering and digital automatic gain control DAGC on the intermediate frequency signals and sending the processed intermediate frequency signals to the BBU3900 Receiving downlink baseband data from an upper level BBU3900 forwarding the data of the cascaded RRU3606 implementing shaping fil...

Страница 8: ...smit and receive radio signals and to implement the communication between the mobile network and the MS RF Remote Unit RRU The RRU is used to process and transfer RF signals between the BBU and the antenna system Base Transceiver Station BTS The BTS is used to transmit and receive radio signals and to implement the communication between the mobile network and the MS Huawei provides a series of BTS...

Страница 9: ...to the MSC physically Service Switching Point SSP The SSP is used to detect intelligent service requests to communicate with the SCP and to respond to the service request from the SCP It allows the service logics in the SCP to process the calls An SSP provides call control and service switching The SSP is integrated into the MSC VLR physically Intelligent Peripheral IP The IP is integrated into th...

Страница 10: ... mobile IP tunnel mode and uplink data forwarding through reverse tunnel Authentication Authorization and Accounting AAA The AAA server is a high performance remote verification server for dial in subscribers It provides authentication authorization accounting and data value added services It supports multiple types of databases powerful agent and flexible operations Trunk Switching Center TSC The...

Страница 11: ...gure 1 2 shows the standard signaling interfaces provided by the RRU3606 The RRU3606 supports the Um and CPRI interfaces Through these interfaces the RRU3606 can interwork with any Huawei BBU3900 and any standard MS AT BBU Universal BaseBand Unit AT Access terminal MS Mobile station Figure 1 2 Interfaces of the RRU3606 Table 1 2 lists the interfaces of the RRU3606 and their properties Table 1 2 In...

Страница 12: ...ss1 band class 6 band class 14 and band class 15 Cascading with the BBU3900 to flexibly extend the coverage of the radio network Using the clock resource of an upper level BTS without use of an additional antenna system High integrity compact size easy installation and cost effectiveness Natural heat dissipation and low noise 2 2 Soft BTS The RRU3606 cascades with the Huawei BBU3900 to realize fle...

Страница 13: ...ver Sensitivity The main diversity receiving technology is employed to optimize the receiver performance In RC3 the receiver sensitivity of the RRU3606 is better than 127 dBm 2 3 2 Transmit Power Measured at RF Port The RRU3606 supports a maximum cabinet top transmit power of 50 W 2 3 3 Cascading with Soft BTSs Through the optical interface an RRU3606 can cascade with BBU3900s or other RRU3606s Ca...

Страница 14: ... 2 Clock Sources By adopting the automatic delay compensation technology developed by Huawei the master BTS provides clock signals to the RRU3606 Thus the RRU3606 does not require satellite antenna This ensures synchronization within the whole network and reduces the call drop rate during handoffs 2 5 Easy Installation Featuring small size light weight and mains power support the RRU3606 needs no ...

Страница 15: ...anagement system The following describes the maintenance functions 2 7 1 System Status Monitoring This function can show users the system operation and resource status the configuration and status of the local cell and logical cells 2 7 2 Data Configuration The RRU3606 supports dynamic data configuration The configured data takes effect though the BTS is not reset It also supports data batch proce...

Страница 16: ...raded automatically through the auto loading function 2 7 7 Auto Restart When the RRU3606 is out of service owing to power failure or transmission failure it can restart automatically right after the faults are cleared 2 8 Easy Upgrade and Expansion Thanks to its flexible configuration and modular structure the RRU3606 can be easily upgraded and expanded to meet different requirements 2 8 1 Flexib...

Страница 17: ...ructure The RRU3606 consists of the following parts Case Module 3 1 1 Case The dimensions of the RRU3606 with a case and a module are Height x width x depth 488 mm 19 21 in x 280 mm 11 02 in x 155 mm 6 10 in Figure 3 1 shows the appearance of an RRU3606 case Figure 3 1 Appearance of an RRU3606 case 3 1 2 Module The RRU3606 uses a single module design The module panel of the RRU3606 consists of bot...

Страница 18: ...scription Commercial in Confidence Page 12 of 43 1 Bottom panel 2 Cabling panel 3 Indicator panel Figure 3 2 Model panel of the RRU3606 3 2 Logical Structure The RRU3606 has five logical units High speed interface module RTRX PA Duplexer ...

Страница 19: ...l BBU3900 Sending uplink baseband data to an upper level BBU3900 and forwarding data of cascaded RRU3606s 3 2 2 RTRX The RTRX consists of two uplink reception channels and one downlink transmission channel Each channel supports four carriers 3 2 3 PA The PA amplifies small power RF signals sent from the RTRX 3 2 4 Duplexer The functions of a duplexer are Multiplexing the RF channel so that the tra...

Страница 20: ...GND port Table 3 1 lists the physical ports of the RRU3606 Table 3 1 Physical ports of the RRU3606 Port Type Quantity Function Power supply port Port for 48 V DC power input 1 Providing 48 V DC power input Transfer port Optical port 2 Connecting to BBU3900s or other RRU3606s Antenna cable port RF signal 2 Connecting to RF antennas PGND port Grounding screw 4 Providing grounding for the RRU3606 ...

Страница 21: ...S Reverse power control used to control the transmit power of the MS 4 1 1 Forward Power Control There are several methods to realize forward power control depending on the MS protocol version and system parameters I Power Control Based on the PMRM In the power control based on power measurement report message PMRM the MS determines the method and frequency of reporting PMRM according to the recei...

Страница 22: ...mand to the MS and adjusts its transmit power according to the feedback from the MS Figure 4 1 shows the closed loop power control BSC Eb Nt FER BTS DBS MS Increment decrement of Eb Nt Power control bit Inner loop Outer loop Figure 4 1 Closed loop power control In the inner loop power control the BTS sends the power control bit to the MS according to the received Eb Nt value In the outer loop powe...

Страница 23: ...BTS can combine the diversity signals received by these sectors Therefore the conversation quality during softer handoff is better than that of soft handoff 4 2 3 Hard Handoff In the hard handoff procedure the MS first terminates the connection with the previous cell and then sets up the connection with the new cell Therefore call drops may occur The hard handoff includes Intra frequency hard hand...

Страница 24: ... unmodulated spread spectrum signal that is always in the transmit state Forward synchronization channel F SYNCH F SYNCH provides initial time synchronization information to MSs operating in the BTS coverage Forward paging channel F PCH F PCH sends overhead messages and MS specific messages to the MSs operating in the BTS coverage Each CDMA channel in a sector supports seven paging channels at mos...

Страница 25: ...ing channel supports up to 32 access channels Reverse enhanced access channel R EACH The MS initiates the communication with the BTS DBS or responds to dedicated paging channel messages through the R EACH II Reverse Dedicated Channels Reverse dedicated channels are further divided into Reverse fundamental channel R FCH R FCH carries traffic information between the MS and the BTS DBS Reverse dedica...

Страница 26: ...t the same time Then the signals are sent to the baseband processing unit of the upper level BTS This unit decodes the signals with diversity combining algorithm to provide certain diversity gain Receiving diversity enhances the anti attenuation capability of the receiver and ensures the receiving effect of the RRU3606 under complicated radio environment ...

Страница 27: ... Power Maintainability Design Fault Monitoring and Handling 5 1 1 De rating Design De rating design aims to lower the electrical stress and temperature stress on the high power or heat generating components to a value less than the rated one It delays performance degradation and prolongs the service life of components 5 1 2 Quality Control of Components For high reliability and maintainability the...

Страница 28: ... The RRU3606 provides the following measures to ensure the reliability of its input power Protection against reverse connection of power supply Protection against sharp voltage drop and lightning strikes Protection of program and data in case of power failure 5 1 6 Maintainability Design Reasonable internal wiring of the RRU3606 enables easy board replacement In addition board indicators are provi...

Страница 29: ... the information to associated devices 5 3 3 Data Check Data check consists of the following contents Checking the consistency of data on different processing boards restoring the data and outputting logs and alarms Checking the consistency of the data entered by the user to ensure correct reference relation among data Restoring the data to the initial state when the modification of some data fail...

Страница 30: ...he Local O M System Figure 6 1 shows the structure of the local O M system used for the BSS Internet Router Router RRU3606 BBU3900 BSC BBU Universal BaseBand Unit RRU Remote RF Unit BSC Base station controller Figure 6 1 Local O M system of the BSS AN I Far End Maintenance The BBU3900 and RRU3606 forms a DBS To realize the far end maintenance on the DBS a local maintenance terminal LMT is connecte...

Страница 31: ...he BAM and carry out network planning in a centralized way II Upper Level BTS Maintenance To realize a distributed application the RRU3606 cascades with BBU3900s Users can connect an LMT to an upper level BBU3900 and perform the maintenance to the RRU3606 III Near End Maintenance The near end maintenance of the RRU3606 includes the inspection problem locating and hardware troubleshooting 6 1 2 Str...

Страница 32: ...M2000 system users can perform the following functions Configuration management collects stores queries and modifies the data of network elements NEs in the network Performance management records the traffic measurement tasks of NEs on the client and views the execution results of the tasks recorded on the whole network Fault management obtains required alarm data of the NEs from the alarm client ...

Страница 33: ...enance navigation tree of the LMT to trace and review messages You can create interface or signaling tracing tasks to monitor the connection procedure service procedure and resource usage in real time The traced messages can be reviewed online or offline The signaling tracing helps you locate faults conveniently 6 2 3 Performance Management The performance management of the BTS DBS is implemented ...

Страница 34: ...vides the information by type and severity After this processing the BTS DBS sends the alarm information to the LMT or the M2000 The LMT or M2000 displays the alarm information in GUI providing the location cause and troubleshooting suggestions 6 2 5 Log Management The log management of the BTS DBS is implemented by the LMT The BTS DBS system collects and stores equipment operation service operati...

Страница 35: ...0 Table 7 1 lists the specifications of RRU3606 transmitters operating in band class 0 Table 7 1 Specifications of RRU3606 transmitters operating in band class 0 Item Specifications Operating band 869 MHz to 894 MHz Channel bandwidth 1 2288 MHz Channel precision 30 kHz Frequency tolerance 0 05 ppm Transmit power Up to 60 W four carriers Table 7 2 lists the specifications of RRU3606 receivers opera...

Страница 36: ...tions of RRU3606 receivers operating in band class 1 Table 7 4 Specifications of RRU3606 receivers operating in band class 1 Item Specifications Operating band 1850 MHz to 1910 MHz Channel bandwidth 1 2288 MHz Channel precision 50 kHz Signal receiver sensitivity Better than 127 dBm RC3 main and diversity receiving 7 1 3 Specifications in band class 6 Table 7 5 lists the specifications of RRU3606 t...

Страница 37: ...bandwidth 1 2288 MHz Channel precision 50kHz Signal receiver sensitivity Better than 127 dBm RC3 main and diversity receiving 7 1 4 Specifications in band class 14 Table 7 7 lists the specifications of RRU3606 transmitters operating in band class 14 Table 7 7 Specifications of RRU3606 transmitters operating in band class 14 Item Specifications Operating band 1970 MHz to 1995 MHz Channel bandwidth ...

Страница 38: ...idth 1 2288 MHz Channel precision 50 kHz Signal receiver sensitivity Better than 127 dBm RC3 main and diversity receiving 7 1 5 Specifications in band class 15 AWS Table 7 9 lists the specifications of RRU3606 transmitters operating in band class 15 AWS Table 7 9 Specifications of RRU3606 transmitters operating in band class 15 AWS Item Specifications Operating band 2110 MHz to 2155 MHz Channel ba...

Страница 39: ...ding Table 7 11 Specifications of DBS3900 with respect to RRU cascading Item Specification Maximum distance of single level cascading 70 km 229 659 ft Maximum number of cascading levels Three Maximum total distance of cascading 90 km 295 276 ft 7 3 Physical and Electrical Specifications Table 7 12 lists the physical and electrical specifications of the RRU3606 Table 7 12 Physical and electrical sp...

Страница 40: ...quipment IEC60215 Safety requirement for radio transmitting equipment CAN CSA C22 2 No 1 M94 Audio Video and Similar Electronic Equipment CAN CSA C22 2 No 950 95 Safety of Information Technology Equipment Including Electrical Business Equipment UL 1419 Standard for Professional Video and Audio Equipment 73 23 EEC Low Voltage Directive UL 1950 Safety of information technology equipment Including El...

Страница 41: ...patibility EMC Part 4 Testing and measurement techniques Section 2 Electrostatic discharge immunity test IEC 61000 4 3 1995 Electromagnetic compatibility EMC Part 4 Testing and measurement techniques Section 3 Radiated radio frequency electromagnetic field immunity test IEC 61000 4 4 1995 Electromagnetic compatibility EMC Part 4 Testing and measurement techniques Section 4 Electrical fast transien...

Страница 42: ...cation Network Equipment BTS Specifications GB4798 Environmental conditions for electrician and electronic products application ETS 300019 Equipment Engineering EE Environmental conditions and environmental tests for telecommunications equipment IEC 60721 Classification of environmental conditions 7 7 1 Storage Environment This section describes the climatic waterproof biological air purity and me...

Страница 43: ...or equipment storage is free of Fungus or mildew Rodents such as rats IV Air Purity Requirements The air should be free from explosive conductive magnetic conductive or corrosive dust The density of physically active materials must comply with the requirements listed in T able7 15 Table 7 15 Requirements for physically active materials in storage environment Physically active material Unit Density...

Страница 44: ...y impact Static payload 5 kPa Note Impact response spectrum The maximum acceleration response curve generated by the equipment under specified impact excitation Impact response spectrum II means that the duration of semi sine impact response spectrum is 6ms Static payload The capability of the equipment in package to bear the pressure from the top in normal pile up method 7 7 2 Transportation Envi...

Страница 45: ...quirements Ensure that the vehicle is free of Fungus or mildew Rodents such as rats IV Air Purity Requirements The air should be free from explosive conductive magnetic conductive or corrosive dust The density of physically active materials must comply with the requirements listed in T able7 19 Table 7 19 Requirements for physically active materials in transportation environment Physically active ...

Страница 46: ...ation environment Item Sub item Range Offset 3 5 mm Accelerated speed 10 0 m s 15 0 m s Sinusoidal vibration Frequency range 2 Hz 9 Hz 9 Hz 200 Hz 200 Hz 500 Hz Spectrum density of accelerated speed 10 m s 3 m s 1 m s Random vibration Frequency range 2 Hz 9 Hz 9 Hz 200 Hz 200 Hz 500Hz Impact response spectrum II 250 m s Unsteady impact Static payload 10 kPa Note Impact response spectrum The maximu...

Страница 47: ... Temperature Relative Humidity Short time 40 o C to 55 o C 40 o F to 131 o F Long time 40 o C to 49 o C 40 o F to 120 o F 5 100 Note The values are measured 2 m above the floor and 0 4 m in front of the equipment without protective panels in front of or behind the cabinet Table 7 23 Requirements for other climatic factors in operation environment Item Range Altitude 4000 m Air pressure 70 kPa 106 ...

Страница 48: ...sive dust The density of physically active materials must comply with the requirements listed in T able7 24 Table 7 24 Requirements for physically active materials in operation environment Physically active material Unit Density Suspending dust mg m 5 Falling dust mg m h 20 Sands mg m 300 Note Suspending dust diameter 75 3m Falling dust 75 3m diameter 150 3m Sands 150 3m diameter 1 000 3m ...

Страница 49: ... mechanical stress that the equipment can endure during operation Table 7 26 Requirements for mechanical stress in operation environment Item Sub item Range Offset 3 mm Accelerated speed 10 0 m s Sinusoidal vibration Frequency range 2 Hz 9 Hz 9 Hz 200 Hz Impact response spectrum II 250 m s Unsteady impact Static payload 0 Note Impact response spectrum The maximum acceleration response curve genera...

Страница 50: ... user guide manual The ports for external cables such as power cables transmission cables and signal cables are located at the side and bottom of the cabinet and are silk screen printed Before delivery the RRU3606 is installed with necessary software and is configured with typical scripts After the hardware is installed and tested the system is ready to operate upon power on All these efforts save...

Страница 51: ...Authentication and Accounting AC Alternating Current ACK Acknowledgement ATM Asynchronous Transfer Mode B BAM Back Administration Module BBU Universal BaseBand Unit BRDM BTS Resource Distribution Module BTS Base Transceiver Station BSC Base Station Controller BSS Base Station Subsystem C CC Control Channel CCPM Compact BTS Channel Processing Module CDMA Code Division Multiple Access CE Channel Ele...

Страница 52: ...rward Paging Channel FPGA Field Programmable Gate Array F PICH Forward Pilot Channel F QPCH Forward Quick Paging Channel F SCH Forward Supplemental Channel F SYNCH Forward Sync Channel G GLONASS Global Navigation Satellite System GMSC Gateway Mobile Switching Center GPS Global Positioning System GSM Global System for Mobile Communications H HA Home Agent HLR Home Location Register I IMA Inverse Mu...

Страница 53: ...an Machine Language MS Mobile Station MSC Mobile Switching Center MTBF Mean Time Between Failures MTTR Mean Time To Repair O ODU OutDoor Unit OMTR Outdoor Multi carrier Transceiver Module OMPA Outdoor Multi carrier Transceiver Module OML Operation Maintenance Link P PCF Packet Control Function PDSN Packet Data Service Node PGND Protection Ground PLMN Public Land Mobile Network PMRM Power Measureme...

Страница 54: ...adio Configuration R DCCH Reverse Dedicated Control Channel R EACH Reverse Enhanced Access Channel RF Radio Frequency R FCH Reverse Fundamental Channel RLDU Receive LNA Distribution Unit R P Radio Packet R SCH Reverse Supplemental Channel RRU RF Remote Unit T TDM Time Division Multiplexing TIA Telecommunications Industry Association U UNI User Network Interface ...

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