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    第1阶段Word下载.docx

    1、a) 学会查表,能定位,并了解电缆功能4, 架间电缆EVOLIUM BSC Functional Units Configurations1. BSC的功能结构a) 各功能单元i. ABIS TSU组成框图掌握组成硬件的种类及数量1BIUA + 8TCUC + 2DC/DC + 2AS SWCH +ABIS16 OR1BIUA + 8TCUC + 1DC/DC + 2AS SWCH +2GS SWCH + GBIS16了解不同阻抗的BIUA, CODE编号的区别3BK 06436 ABXX, 120 Ohm Abis Interface3BK 06436 AAXX, 75 Ohm Abis I

    2、nterfaceii. ATER TSU2ASMC + 8DTCC + 2GS1 SWCH + 1DC/DC + 2AS SWCH+ATER16了解不同阻抗的ASMB, CODE编号的区别3BK 06438 ABXX, 120 Ohm Ater and Ater Mux Interfaces (standard)3BK 06438 ADXX, 120 Ohm Ater and Ater Mux Interfaces (TBR13 compliant)3BK 06438 AAXX, 75 Ohm Ater and Ater Mux Interfaces (standard)3BK 06438 A

    3、CXX, 75 Ohm Ater and Ater Mux Interfaces (TBR13 compliant)iii. COMMON TSU6CPR+1DC/DC+2AS SWCH+1DC/DC+SYSA16了解不同种类的CPRC, CODE编号的区别OSI-CPRC: ABXXSYS-CPRC:ACXXBC-CPRC:AAXXiv. DSN数量根据配置不同而不同。种类:SWCH AS 3BK 07342 ABAA SWCH GS 3BK 07342 AAAA了解不同种类的SWCH, CODE编号的区别v. CLOCK AND ALARM SYSTEM2SYS-BCLA+2RACK-BC

    4、LA/RACK了解不同种类的BCLA, CODE编号的区别SYS-BCLA :3BK 06434 AAXX, 75 Ohm Interfaces3BK 06434 ABXX, 120 Ohm Interfaces RACK-BCLA 3BK 06434 ACXX vi. TSC3BK 06440 AAXXSYSB06b) 各单元的整体组成框图2. BSC配置a) BSS系统中各模块的容量(TABLE 4)Transceiver Equipment (TRE) with Full-Rate Frame Unit per TCU or Radio Signalling Link per TCU4T

    5、RE with Dual Rate Frame Unit per TCU2TRE per BTS Equipment12High Level Data Link Controllers per TCU6Cells or Sectors per BTS EquipmentTransceivers per Cell16BTS Equipment per TCU3Cells or Sectors per TCUMaximum number of Signalling Connection Control Part Connection per Base Station Subsystem Appli

    6、cation Part Control Element128Frequency Hopping Sequence Identifiers1056Adjacent Cells (see Note)3500Adjacencies (see Note)5400b) 不同配置下,BSC的容量(TABLE 5)Cabinets/Capacity/TSU/PBA/BPAConfiguration15CabinetsCapacityFull-Rate TRXs32192288352448Dual Rate TRXs6496144176224Cells or Sectors120180240264Full-R

    7、ate BTS Equipment24216255Dual Rate BTS EquipmentTraffic Capacity in Erlangs160576960115215001900TSUsCommonAbis91114Ater8PBAsCPRC-SYS, 3BK 06428 ACXX, with CMFA 3BK 06442 AAXXCPRC-OSI, 3BK 06428 ABXX, with CMDA 214 06960 AAAACPRC-BC, 3BK 06428 AAXXTCUC, 3BK 06430 AAXX487288112DTCC, 3BK 06432 AXXX40AS

    8、MB,3BK 06438 AAXX (75Ohm, Standard)or ABXX (120Ohm, Standard)or ACXX (75Ohm, TBR13)or ADXX (120Ohm, TBR13)1018BIUA, 3BK 06436 AAXX (75Ohm) or ABXX (120Ohm)SYS-BCLA, 3BK 06434 AAXX (75Ohm) RACK-BCLA, 3BK 06434 ACXXSWCH AS, 3BK 07342 ABAASWCH GS 3BK 07342 AAAA (stage 1)SWCH GS, 3BK 07342 AAAA (stage 2

    9、)TSCA, 3BK 06440 AAXXDC/DC, 3BK 07344 AAXX131730344247BPAsBPA-ABIS16, 3BK 06448 AAAABPA-GBIS16, 3BK 06932 AAAABPA-ATER16, 3BK 06450 AAAABPA-SYSA16, 3BK 06444 AAAABPA-BGSA10, 3BK 06456 AAAA15BPA-BSCL06, 3BK 06452 AAAABPA-SYSB06, 3BK 06446 AAAAc) BSC各模块在不同配置下,在机架上的分布EVOLIUM BSC Hardware Description1.

    10、CPRCa) 外部通信接口X25MMISCSIb) 不同CPRC之间的区别i. DISKOSI CPRC使用CMDA 32M DRAMSYS CPRC使用CFMA 124M FLASH4M SDRMBC CPRC没有daughter boardii. MEMORY DAUGHTER BOARDCMDA CFMA带锂电池,电压检测电路监测cprc pba的电压,如果低于4。65v,则使用锂电池给4M SDRM供电。锂电池的正常电压是3。6v,如果低于2v,将产生告警。iii. 功能(该文档无详细提及)c) 哪些情况下会触发CPRC的RESET上电时供电电压低于正常值时面板的push button

    11、被压下去后收到外部reset时当watchdog timer终止时 d) 板子外观:FIGURE 11e) LED状态(文档中无详细提及)2. TCUCa) 板子外观b) LED状态c) RESET 按钮3. DTCC4. SWCHa) SWCH端口数及端口编号共16个端口,编号从0Fb) 两种SWCH的主要区别AS SWCH 编号为ABXXGS SWCH 编号为 AAXXUnbalanced signals are used to connect the CEs to the ASs. Balanced signals are used for connections between the

    12、 ASs and the GSs, and between the GSs.c) 板子外观5. BCLAa) 两种BCLA之间的区别SYS-BCLA有3个参考时钟输入,还有一个本地晶振。有master selector选择输出的时钟。同时,可以有12个输出。还具有外部告警扫描和驱动的功能。RACK-BCLA有两路输入,没有本地晶振。有output clock disable。当该bcla自己的pll out of range时,而且配对的时钟可用的时候,将disable自己的时钟输出。b) BCLA实现的功能时钟的产生和分布,广播总线分布,外部告警扫描和驱动c) 两种BCLA的功能结构框图d)

    13、 BCLA的不同时钟参考源,及本地时钟的作用Ater TSU1 Ater TSU2 Ater TSU3 本地时钟4个参考源本地时钟的作用:a 测试的目的b Ater接口上的时钟不可用c 在系统startup和reset的时候做时钟e) 两种BCLA的LED状态f) 板子外观6. DC/DCa) N+1备份的实现原理b) 板子外观c) LED状态7. ASMBa) 板子接口i. ATER INTERFACEii. ATER MUX INTERFACEiii. MMI8. BIUAi. ABIS INTERFACEii. BSIiii. LAPD INTERFACEiv. MMI9. TSCa)

    14、接口i. LOCAL QMUX INTERFACEii. REMOTE QMUX INTERFACEType1,Type2?EVOLIUM BSC/TC Overall Description1. BSC的3个功能a) Telecommunication functions b) Operations and Maintenance functions c) Transmission functions2. TC的功能3. ABIS TSUa) 功能Telecommunication functions, which the TCUCs perform Transmission functio

    15、ns, which the BIUAs perform O&M functions, which the TCUCs and the BIUAs perform.b) TCU功能i. 6个TELECOM 功能RFM RF GPRS TCU DH Overload Detector Local Overload Controller SMS-CB Local.c) BIUA功能i. Transmission functions performed by the BIUA include:1. BIUA monitoring Local:mmiRemote:tsca2. Abis interfac

    16、e functions Ts0,侦同步Bit发送和接受,比如hdb3的编码和解码Qmux信息插入Provision of redundant Remote Alarm Indications for use when equipment with no TS0 transparency is used between the BSC and the BTSs.3. TSCA interface functions Local Qmux, which allows the BIUA to be monitored and controlled by the TSCA Remote Qmux, w

    17、hich allows the TSCA to remotely monitor and control transmission modules connected to the Abis Interfaces TSL, a LAPD link, which allows the TSCA to send O&M information to a TCUC.4. LAPD Channel functions The BIUA provides a 64 kbit/s O&M LAPD channel between the LAPD Interface and a time slot of

    18、one of the BSI5. Test loop functions Test loops of the BSI can be set by the BIUA. The complete BSI can be looped or a single time slot can be looped6. Abis Redundancy. The BIUA provides redundancy of the Abis Interface link when the multidrop ring configuration is usedii. The O&M functions performe

    19、d by the BIUA include:1. Configuration Management Initial configuration is performed when the BIUA has not been downloaded with data or requires data due to a signature or checksum failure.The initial configuration (default) is written to the appropriate memory of the BIUA by the firmware. The defau

    20、lt data includes the backpanel Qmux address, the port settings for the MMI, etc.The initial configuration is normally performed to provide access to the BIUA. This allows the normal configuration to be performed.The operational configuration data is downloaded to the BIUA by block write commands usi

    21、ng the Data Transfer protocol. This transfer can be done locally via the MMI or remotely via the Qmux bus from the TSCA.Some configuration parameters can be monitored and modified via the MMI or the TSCA2. Performance Management误码率 3. Fault Management4. ATER TSUTelecommunication functions, which the

    22、 DTCCs perform Transmission functions, which the ASMBs perform M functions, which the DTCCs and the ASMBs performb) 按功能分3种类型Non-Signalling DTCC, which performs Traffic Channel Resource Management Signalling DTCC, which performs Message Distribution and Radio Channel Management. It also performs SCCP

    23、 functions. There can be a maximum of 256 SCCP connections for each N7 link. The Signalling DTCC can also provide connections to the MFS. N7-Terminating DTCC, which provides connection to and from the MSC.5. *COMMON TSU*a) SYS CPRC的功能TSMGPRS TSM Overload Detector.Hardware Configuration Management Lo

    24、gical Configuration Management Software and Database Configuration Managementb) OSI CPRC的功能c) BC CPRC的功能6. DSNa) DSN的结构图b) NETWORK ADDRESS的编号规则7. Broadcast, Clock and Alarm Systema) BC BUS的功能结构简图及物理结构简图b) BC-CPRC及BCLA在Broadcast中的作用c) CLOCK SYSTEMi. System Clock Generation ii. Clock Distribution iii.

    25、 Rack Clock Regeneration iv. Clock Distribution At Rack Level8. TSCa) BSC Interface b) Alarm Reporting c) Network element Configuration Download d) O&M Elementary network element Procedures e) TSC O&M.9. TCa) G2 TC的硬件ASMC复用4个30信道的Ater到一个Atermux解复用120个信道的Atermux到4个Ater这些信道都是16kbit/s的ATBX 从A接口上交换A Law编码的pcm到DT16,该信道为64kbit/s 从Ater接口上交换TRCU信道到DT16,该信道为16kbit/s A口和Ater口之间透明传输N7,X25DT16 编码转换和速率适配,每个DT16转换或者适配16个信道b) G2.5TC的硬件MT120 4个A接口一个Atermux接口c) 各板子的功能10. 配置a) G2-BSC的在不同配置下的机架分布图b) G2-BSC的容量 FR TRXDR TRXCellsBTSErlangRel 6.235


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