HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 1 SGSNMSCGGSN.HLRAbisPbBSCMSBTSMSBTSMSBTSPCUUmPDNAGsGb The HUAWEI BSC6000 is a new generationGSM BSC product after the HUAWEI BSC32. Location of the BSC6000 in the GSM NetworkHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 2 Features of the BSC6000 System Large capacity, high integration Supporting at most 2048TRX; Maximum of traffic: 12,000 Erl; BHCA : 2,340,000; Full-configuration subscriber: 600 000 In case of using the E1 interface board, a maximumofthe system is four racks In case of using the STM-1 interface board, a maximumof the system is three racks Low cost, low power consumption 256TRX power consumption (including GTCS ) : 1640W (A interface in E1 mode) 1570W (A interface in STM-1 mode) 2048TRX power consumption (including GTCS) : 6920W (A interface in E1 mode) 5620W (A interface in STM-1 mode) Flexible configuration Supporting multiple types of networking between BSCs and BTSs Service-oriented hardware configuration Multiple clock sourcesHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 3 Features of the BSC6000 System Comprehensive functions; advanced management algorithm for radio resource The service functions is categorized into basic functions and optional functions. To protect investment, the customer choose proper functions that are applied to a specified network function and capacity. HW_II Power Control Algorithm HW_II Handover Algorithm: supporting about 10 handover algorithms, such ashierarchical handover, layer handover, and PBGT handover Multiple radio resource allocation technology and flexible radio channel switch mechanism Practical O& M functions Friendly GUI Flexible network parameter configuration Remote maintenance Abundant Online HelpHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 4 Features of the BSC6000 System Smooth capacity expansion and upgrade Supporting smooth, in-service capacity expansion Supporting in-service patching Strong performance, advanced design Supporting 2M signaling link Supporting local multiple signaling points Supporting TC resource pool Supporting full-index report performance statisticsHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 5 Chapter 1System DescriptionChapter 2Hardware StructureChapter 3Working Principle Chapter 4Typical ConfigurationHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 6 Chapter 2Hardware StructureRack and SubrackBoard HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 7 Structure of Rack Model: The BSC6000 uses HUAWEIN68-22 rack. The rack design complies with the IEC60297 and IEEE standards.Structure Dimension: 600mm(width) x800mm (depth) x 2200mm (height) Weight: Empty rack 150kg; full configuration 350kg Type The BSC6000 rack is categorized into two types: GBCR:GSM BSC Control Processing Rack GBSR:GSM BSC Service Processing Rack HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 8 Rack GBCR GBCR(GSM BSC Control Processing Rack ): It must be configured with main processing subrack and GBAM server. It processes the BSC6000 services and performs operations and maintenance. In the GBCR,a GIMS and at most two subracks can be configured . GIMS: GSM Integrated Management System consists of the following components: One KVM (keyboard, video and mouse) One LAN Switch One GBAM (GSM Back Administration Module) server GBAM Dummy panelLAN Switch KVM Cabling subrack Air defence subrackPower distribution boxSubrackSubrackHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 9 Rack GBSR GBSR (GSM BSC Service Processing Rack ): It is only configured with subracks. It performs service processing functions of the BSC6000.One service rack can be configured with three subracks. According to the requirement of service quantity, each BSC6000 system contains a maximum of three service racks. Dummy panel subrack Air defence subrackPower distribution box Air defence subrackHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 10 Subrack Subrack: The subrack complies with the IEC60297 standard. The width of it is 19 inches. A backplane is in the middle of the subrack, and boards are inserted from the front and the rear of the subrack. Both the front subrack and the rear subrack provide 14 slots. The slots are numbered 0027 from the front to the rear. The BSC6000 contains three subracks: GMPS main processing subrack GEPS extension processing subrack GTCS voice processing subrackBoardFan boxCabling Trough Front of subrack Rear of subrack HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 11 SubrackGMPS GMPS: It performs the basic service processing and operation maintenance functions. In addition, it provides system clock. The GMPS is configured in the GBCR.Compared with the GEPS subrack, the GMPS also is configured with the GGCUboard. It can process the services of a maximumof 512 TRXs in full configuration.GXPUM Slot 02 GTNU Slot 45 GSCU Slot 67 GGCUSlot 1213 GEIUB Slot 1827 GEIUT Slot 1617 GEIUP Slot 1415 HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 12 SubrackGEPS GEPS: It performs basic service processing function of the BSC6000. Each BSC6000 has 03 GEPSthat can be configured in the GBCRor GBSR. It can process the services of a maximumof 512 TRXs in full configuration. GXPUM slot 02 GTNU slot 45 GSCU slot 67 GEIUB slot 1827 GEIUT slot 1617 GEIUP slot 1415 HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 13 SubrackGTCS GTCS: A GTCS (GSM TransCoder Subrack ) performs transcoding, rate adaptation and sub-multiplexing. When the BSC6000 uses E1 transmissions on the A interface, a GTCSprovides a maximum of 3,840 speech channels. GTNU slot 45 GSCU slot 67 GEIUB slot 913 GEIUT slot 1417 GEIUA slot 1827 HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 14 SubrackGTCS When the BSC6000 uses STM-1 transmissions on the A interface, a GTCS provides a maximum of 7,680 speech channels.HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 15 Chapter 2Hardware StructureRack and SubrackBoard HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 16 AbbreviationAbbreviation Full nameGGCUGSM General Clock Unit GSCUGSM Switching and Control Unit GTNUGSM TDM Switching Unit GXPUCGSMeXtensibleProcessing Unit for Cell broadcast service GXPUMGSMeXtensibleProcessing Unit for Main service GDPUCGSM Data Processing Unit for CS service GEIUAGSM E1/T1 Interface Unit for A GEIUBGSM E1/T1 Interface Unit for Abis GEIUPGSM E1/T1 Interface Unit for Pb GEIUTGSM E1/T1 Interface Unit for Ater GOIUAGSM Optic Interface Unit for A GOIUBGSM Optic Interface Unit for Abis GOIUPGSM Optic Interface Unit for Pb GOIUTGSM Optic Interface Unit for Ater HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 17 BoardGGCU GGCU PARC RUN ALM ACT ATN-IN 8 9 COM0 COM1 0 1 2 3 4 5 6 7 CLKOUT TESTIN TESTOUT CLKLIN1 CLKLIN0 Port FunctionMatching ConnectorCLKOUT09 Synchronization signal output port, used to output 8 kHz clock signals to the GSCURJ45COM01 StandbyRJ45TESTOUT StandbySMB male connectorTESTIN StandbySMB male connector CLKIN01 Synchronization clock signal input port, used to input one route of external 2.048 MHz signal and 2.048 Mbit/s code stream signalsSMB male connector The GGCU is the general clock unit in the BSC6000. The active GGCU and the standby GGCU are configured in slots 12 and 13 in the GMPS. The GGCU board provides synchronous timing signals for the system The GGCU has the following functions: Generating and keeping synchronous clock signals Keeping the consistency of synchronization information output from the active and standby GGCUs HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 18 BoardGSCU Port FunctionMatching EHT0910M/100M/1000M Ethernet ports, used to connect subracks RJ45 EHT1011 10M/100M/1000M Ethernet ports, used to connect GBAM (Only the main subrack is connected with the GBAM)RJ45 COM Debugging portRJ45 CLKINClock source port, used to receive the 8 kHz clock signals from the panel of the GGCURJ45TESTOUTClock test signal port, used to output clock test signalsSMB connector The GSCU is the switching control unit in the BSC6000. The active GSCU and the standby GSCU are inserted in slots 6 and 7 of the GMPS/GEPS/GTCS. The GSCU board provides maintenance management of the subrack and GE switching platform for the subrack. The GSCU has the followingfunctions: Performing maintenance management of the subrack Providing a GE platform for the subrack Providing clock information for the other boards in the same subrack except the GGCU SCUaPARCRUNALMACTCOMTESTOUTCLKINACTLINK10/100/1000BASE-TRESETACTLINK89012345671110ACTLINKHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 19 Board GTNU PortFunctionMatching connectorTDM05TDM high-speed serial port, used to connect the GTNUs between subracks DB14GTNUPARCRUNALMACTTNM5TNM4TNM0TNM1TNM2TNM3 The GTNU is the TDM switching unit in the BSC6000. The active GTNU and the standby GTNU are inserted in slots 4 and slot 5 of the GMPS/GEPS/GTCS. The GTNU board performs the TDM switching function, which is the TDM switching center of the system. The GTNU has the followingfunctions: Providing 128 K 128 K TDM switching Allocating TDM network resources, establishing, and releasing radio links HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 20 BoardGXPUMGXPUPARCRUNALMACT10/ 100/ 1000BASE- TACTLINK0123Paging control System information management Channel assignment BTS common service management Voice call control Packet service control Handover Power control PortFunctionMatching connector10/100/1000BASE-T03GE/FE Ethernet port, reservedRJ45 The GXPUM is the main service processing unit in the BSC6000. The active GXPUM and the standby GXPUM are inserted in slots 0 and 1 of the GMPS or GEPS. One GXPUMhas four built-in CPUs that perform central service processing function. The GXPUM has the following functions: HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 21 BoardGXPUCGXPUPARCRUNALMACT10/ 100/ 1000BASE- TACTLINK0123PortFunctionMatching connector10/100/1000BASE-T03 GE/FE Ethernet port, reservedRJ45 The GXPUC is the cell broadcast processing unit in the BSC6000. The active GXPUC and standby GXPUCare inserted in slots 8 and slot 9 in the GMPS or GEPS. The GXPUCperforms the message cell broadcast function of the system. The GXPUC has the following functions: Providing a port for connecting the Cell Broadcast Center (CBC) Storing cell broadcast messages Scheduling cell broadcast messages based on the Cell Broadcast Channel (CBCH) HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 22 Board GEIU / GOIU GEIU PARC RUN ALM ACT TESTOUT 2M0 2M1 GOIU PARC RUN ALM ACT TESTOUT 2M0 2M1 LOS TX RX E1/T1(0~7) E1/T1(16~23) E1/T1(24~31) E1/T1(8~15) Interface FunctionMatching connectorE1/T1(031)E1/T1 port, used to transmit and receive E1/T1 signals on routes 07DB442M012.048 MHz clock source output port, used to output the extracted line clock as the system clock sourceSMB male connectorTESTOUT2.048 MHz clock output port, used to output the testing clock of the systemSMB male connector The GEIU / GOIU can be categorized into the following types : The GEIUB/GOIUB is the GSM E1/T1 Interface Unit for the Abis interface. The GEIUP/GOIUP is the GSM E1/T1 Interface Unit for the Pb interface. The GEIUT/GOIUT is the GSM E1/T1 Interface Unit for the Ater interface. The GEIUA/GOIUA is the GSM E1/T1 Interface Unit for the A interface. The GEIU/GOIU has the following functions: Processing the SS7 MTP2 protocols Processing the Link Access Procedure on the D channel (LAPD) protocols Providing maintenance links when GTCS subracks are configured at the MSC side Performing inter-board Tributary Protect Switching (TPS) HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 23 BoardGEIU DIP switchBitDescription 75120 S11Used to select the impedance on E1/T1 links 07 ONOFF 2 Used to select the impedance on E1/T1 links 815ONOFF 3 Used to select the impedance on E1/T1 links 1623ONOFF 4 Used to select the impedance on E1/T1 links 2431ONOFF 58 UnusedONOFF S318 Used to set the protection grounding of the transmitting end of E1/T1 links 07ONOFF S418 Used to set the protection grounding of the transmitting end of E1/T1 links 815ONOFF S518 Used to set the protection grounding of the transmitting end of E1/T1 links 1623ONOFF S618 Used to set the protection grounding of the transmitting end of E1/T1 links 2431ONOFF The DIP switches of the GEIU board is set through the 75-ohm coaxial cable transmission mode.Reset the DIP switches of the GEIU board if onsite engineers adopt other transmission modes.HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 24 BoardGDPUCThe GDPUCis the circuit service processing unit in the BSC6000. The GDPUCboard can be inserted in slot 0 to slot 3, slot 8 to slot 13 of the GTCS subrack. The board performs the voice and data service processing functions. It works in resource pool mode. The GDPUC has the following functions: Encoding and decoding speech services Performing data service rate adaptation Performing Tandem Free Operation (TFO) Performing voice enhancement function Automatically detecting voice faults DPUaPARCRUNALMACTHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 25 GBAM The GBAM is a server installed with OMU software, which is used to perform operation and maintenance for the BSC6000. It has the following functions: Controlling the communications between the LMT and boards, supporting data configuration for boards through the LMT; collecting and filtering performance and alarm data Responding to the commands from the LMT, processing the commands, and then forwarding the commands to the boards in the BSC6000 Filtering the results from boards and then returning the results to the LMT HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 26 BoardGBAM Module PortDisplay portRJ45 NIC RJ45 NICport RJ45 Serial port RJ45 NIC 10M/100M adaptive Ethernet portPort for the mouse and keyboardDC input power socketGrounding screwPower buttonCD-ROMHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 27 KVM The KVM is a device integrating a keyboard, a display, and a mouse. It is the operating platform of the GBAM. DC input power socket Power switch Port for display cablePort for keyboard cable Port for mouse cable HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 28 Fan Box The PFPU board and the PFCU board are configured in the fan box. The PFPU is inserted in the rear part of the fan box. It provides power supply for nine fans, keeps the voltage stable through a stabilizing tube, and ensures normal operations of the fans. The PFCU is inserted in the front part of the fan box. It has the following functions: Monitoring the running status of the fans in the fan box Communicating with the GSCU and reporting the working status of the fan box Detecting the temperature of the fan box, collecting temperature data with a temperature sensor Showing the current status of fan box and providing alarms through LEDHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 29 Power Distribution Box The power distribution box has the following configurations: Checking two channels of - 48 V input voltage Detecting one route of external temperature sensor; detecting one route of external humidity sensor; detecting two lightning protection components; detecting the status of six distributed-power output switches Emitting audio and visual alarms Communicating with the GSCU and reporting the status of the power distribution box and exchanging O&M information with the GSCU HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 30 SummarySummary This chapter describes the followingcontents:Structure of the BSC6000 rackSubrackStructures and functions of boardsHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 31 Chapter 1System Description Chapter 2Hardware StructureChapter 3System PrincipleChapter 4Typical Configuration HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 32 Chapter 3System PrincipleModule FunctionSystem Signal FlowSoftware Loading Alarm ChannelHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 33 Trunk Cable Connecting the 75 Y-shaped coaxial cable HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 34 TDM Switching Unit The GTNU board operates in active and standby modes. When other boards perform active-standby switchover, the GTNU board detects the speech channels on the LVDS links. When the GTNUs perform active-standby switchover, other boards detect the speech channels on the LVDS links. Intra-Subrack TDM Switching:Other boards in the subrack connect the active/standby boards through the Low Voltage Differential Signal (LVDS) high-speed serial portsGTNU (active)GTNU (standby) Slot0Slot2Slot 27 Connection between a board and the active GTNU through a backplane TDM path Connection between a board and the standby GTNU through a backplane TDM path HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 35 GTNU Crossover Ethernet Cable Pin12W1 W3W2 W41BBX4X3 X1X2AAPin14Pin1 Pin143HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 36 TDM Processing Bearer Unit The TDM processing bearer unit performs TDM bearers for the GDPUCservices. The TDM switching module on the GDPUCprovides 16 K 16 K timeslot switching. It can switch timeslots between the backplane and the Digital Signal Processing (DSP) module. HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 37 ServiceProcessing Subsystem The hardware entity of the service processing subsystem is the GDPUCboard. It performs the following functions: Transcoding Rate adaptationHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 38 Service Control Subsystem The service control subsystem has the following functions: Paging control, system information management, channel assignment, voice call control, PS service control, handover, and power control The hardware entities: The GXPUM board The GXPUC board The GBAM server The GSCU board in the GTCS subrack The GXPUM board performs the main service processing of the BSC6000, which includes four CPU processing units.The four CPU processing units have the following functions: CPU0: paging control, system information management, channel assignment, and BTS common service management CPU13: voice call control, PS service control, handover, and power control The GXPUC board performs the cell broadcast function; the GBAM server performs BTS O&M management; the GSCUboard in the GTCS subrack performs the TC resource pool management HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 39 Clock Cable112181818W2W3X2X3W1X1HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential Page 40 Chapter 3System PrincipleModule FunctionSystem Signal StreamSoftware Loading Alarm PathHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 41 BSC Software Configuration LMT HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 42 LMT introduction The Object Management Tree shows the information about data configuration and object status in a graphic way HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 43 Configuring BSC properties After the BSC properties are configured, they take effect in the entire BSC. Do not modify these properties unless necessary. HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 44 Configuring the 8K Reference Clock Configuring the 8k reference clock.A reference clock must be configured after the GSCU in a subrack is configuredThe configurationof the 8K reference clock is based on the network planning HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 45 Configuring BSC links Configuring SS7 Signaling Points BSC6000can be configured with a maximumof four Originating Signaling Points (OSPs) and one Destination Signaling Point (DSP). The DSP must be configured before the OSP is configuredThe names and codes of signalingpoints must be unique HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 46 Configuring a Subrack Communication Link To configure a communication link between two subracks The communicationlink is configured betweenthe GMPS and the GEPS, or between GTCSs, or between GEPSs.A maximum of two communicationlinks can be configuredbetween two subracksThe highway of a subrack can be used only once HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 47 Configuring an Ater Connection Path Configuring SS7 Signaling Points The subrack where the Ater connection path is to be established exists. The configurationof the Ater connection path can be started only on the GEIUT of the GMPS or GEPSHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 48 Adding a 3G External Cell Each BSC can be configured with a maximum of 3000 3G external cellsHUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 49 Exporting Network Optimization Parameters Export frequency data of cell Export 2G external cells Export 3G external cells Export adjacent cells HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI ConfidentialPage 50 Backing Up Local Data To save the existing LMT data to the local PCLog in to the BSC6000 LMT in offlinemodeIn the BSC6000 Local Maintenance Terminal window, choose Configuration > Backup > Back up Local Data Dec 312006 HUAWEI TECHNOLOGIES Co., Ltd. www.huawei.com HUAWEI ConfidentialInternal Use (Only) GSM BSS Training TeamThank You www.huawei.com