RBS2202硬件介绍和硬件连接.pptx

Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-81内容安排CME20CME20基础理论基础理论基础理论基础理论RBS2202RBS2202基站系统概述基站系统概述基站系统概述基站系统概述RBS2RBS2202202硬件介绍硬件介绍硬件介绍硬件介绍RBS2RBS2202202硬件连接硬件连接硬件连接硬件连接RBS2RBS2000000软件结构软件结构软件结构软件结构RBS2RBS2202202操作维护操作维护操作维护操作维护RBSRBS2202206 6介绍介绍介绍介绍Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-82课前提问课前提问1.爱立信公司开发的产品中支持GSM标准的系统产品是什么？CME20-GSM900和DCS1800；CMS40-PCS19002.BSC中区别于其他交换机的特殊硬件是什么？TRAU和TRH3.TRAU的作用是什么？语音重新编码，数据速率转换4.TRH的作用是什么？管理BSC与BTS之间信令（LAPD协议）Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-83主要内容RBS2202的硬件模块RBS2202硬件模块的功能Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-84RBS2202基站系统硬件结构示意图RBS2202硬件介绍Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-85RBS2202基站硬件结构图DXUTRUTRUECUPSUCDUCDU本地终端 接口A-BIS接口外部告警 接口定时总线（定时总线（Timing Bus）本地总线（本地总线（Local Bus）CDU BUSX-Bus天馈线接口测试MS接口天馈线接口测试MS接口主电源输入接口主电源输入接口外接电池接口外接电池接口交流电源输出接口交流电源输出接口直流电源输出接口直流电源输出接口Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-86问题1：RBS的核心功能是什么？RBS2202硬件介绍提供和管理无线资源问题2：RBS中完成核心功能的硬件模块是什么？TRU-Transceiver Unit：收发信单元Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-87RBS2202基站硬件结构图DXUTRUTRUECUPSUCDUCDU本地终端 接口A-BIS接口外部告警 接口定时总线（定时总线（Timing Bus）本地总线（本地总线（Local Bus）CDU BUSX-Bus天馈线接口测试MS接口天馈线接口测试MS接口主电源输入接口主电源输入接口外接电池接口外接电池接口交流电源输出接口交流电源输出接口直流电源输出接口直流电源输出接口Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-88问题3：RBS在整个GSM网络中所处的位置。RBS2202硬件介绍位于BSC和MS之间问题4：在RBS中，和BSC连接的硬件模块是什么？DXU-Distribution Switch Unit：分配交换单元 Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-89RBS2202基站硬件结构图DXUTRUTRUECUPSUCDUCDU本地终端 接口A-BIS接口外部告警 接口定时总线（定时总线（Timing Bus）本地总线（本地总线（Local Bus）CDU BUSX-Bus天馈线接口测试MS接口天馈线接口测试MS接口主电源输入接口主电源输入接口外接电池接口外接电池接口交流电源输出接口交流电源输出接口直流电源输出接口直流电源输出接口Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-810问题5：在RBS中，如何将不同TRU产生的信号通过发射天线发射出去，又如何将接收天线接收的信号分配给相应的TRU？RBS2202硬件介绍CDU-Combining and Distribution Unit：合成分配单元 Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-811RBS2202基站硬件结构图DXUTRUTRUECUPSUCDUCDU本地终端 接口A-BIS接口外部告警 接口定时总线（定时总线（Timing Bus）本地总线（本地总线（Local Bus）CDU BUSX-Bus天馈线接口测试MS接口天馈线接口测试MS接口主电源输入接口主电源输入接口外接电池接口外接电池接口交流电源输出接口交流电源输出接口直流电源输出接口直流电源输出接口Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-812RBS2202硬件模块：1、TRU-Transceiver Unit：收发信单元2、DXU-Distribution Switch Unit：分配交换单元3、CDU-Combining and Distribution Unit：合成分配单元4、PSU-Power Supply Unit：能量供给单元5、ECU-Energy Control Unit：能源环境控制单元注：PSU一般不放在基站机架中，放在外面。RBS2206将ECU合成在DXU中。RBS2202硬件介绍Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-813Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-814RBS2202总线系统：1、local bus（本地总线）：提供DXU、TRU和ECU单元的内部通信连接；Local bus A：携带BSC到主架上TRU的信息Local bus B：携带BSC到扩展架上TRU的信息2、timing bus（定时总线）：从DXU单元至TRU、ECU单元间传送无线空间的发射频率所需的始终信息；3、X总线：在各个TRU单元间以一个时隙为基础传送话音/数据信息，用于基带跳频；4、CDU总线：连接CDU单元至各个TRU单元，在CDU和TRU之间传送告警和RU单元的特殊信息，帮助实现O&M功能；5、电源通信环路：在ECU、PSU和BFU之间传送控制和管理信息。RBS2202硬件介绍Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-815RBS2202基站硬件结构图DXUTRUTRUECUPSUCDUCDU本地终端 接口A-BIS接口外部告警 接口定时总线（定时总线（Timing Bus）本地总线（本地总线（Local Bus）CDU BUSX-Bus天馈线接口测试MS接口天馈线接口测试MS接口主电源输入接口主电源输入接口外接电池接口外接电池接口交流电源输出接口交流电源输出接口直流电源输出接口直流电源输出接口注：总线连接是在单板的背板。Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-816Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-817TRU收发信单元Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-818TRU工作原理结构图发信机VSWR收信AB三路总线（CDU、TF、X）TX-BUSTX-CTRLPFPRTXRXARXBRX-CTRLRTXRRX处理器信号处理无线控制HDLCDSPLOCALBUSTRUDRX DATA A/B基带信号处理频带信号处理Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-819TRU 1、发信机板（RTX）：执行下行链路的信号的调制和放大；监视发射天线。2、接收机板（RRX）：执行上行链路的信号的解调，并把解调后的信号送至TRUD部分；监视接收天线。发信机VSWR收信B收信APFPRTXRXARXBRTXRRX电压驻波比VSWR：天线输入阻抗与特性阻抗不一致时，产生的反射波和入射波在馈线上叠加形成驻波，其相邻电压最大值和最小值之比就是电压驻波比。Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-820发信机VSWR收信B收信APFPRTXRXARXBRTXRRXTop right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-821TRUTRUD1、上行和下行链路信号的处理；2、TRU的控制器，经由本地总线、CDU总线、定时总线和X总线与其它的RBS单元相连接。处理器信号处理无线控制HDLCDSPTRUDTop right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-822TRU功能：1、负责接收和发射无线信号；2、监视发射天线；3、监视接收天线；4、处理移动用户信号；5、监视总线的连接及故障。Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-823TRAUTRHRPDCPRPRP RPETCETCGSDXUTRUTRUECU环境和电源CDUCDU本地终端本地终端 接口接口A-BIS接口接口外部告警外部告警 接口接口定时总线（定时总线（Timing Bus）本地总线（本地总线（Local Bus）CDU BUSX-Bus天馈线接口测试MS接口天馈线接口测试MS接口主电源输入接口主电源输入接口外接电池接口外接电池接口交流电源输出接口交流电源输出接口直流电源输出接口直流电源输出接口BSC与RBS2202硬件连接结构图Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-824DXU分配交换单元Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-825DXU工作原理结构图定时单元Watchdog(看门狗）INTERFACESDRAMBOOTFLASHCPUSRAMINDICATORSG703G703SWITCHSWITCHRS485RS485HDLC CONC3C7OMTEXTANALALARMPCM部分部分CPU部分部分注：C3、C7口的PCM为上发下收；G.703接口标准对各种速率的接口分别定义了功能特性和电气特性。BSCTRU注：RS485是一种传输协议。Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-826定时单元G703G703HDLC CONC3C7OMTEXTANALALARMPCM部分部分CPU部分部分Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-827DXU是RBS2202的中央控制单元，功能如下：1、分配交换；2、提供RBS面向BSC的接口，处理A-BIS链路资源；3、提供定时单元，与外部时钟同步或与内部参考信号同步；4、RBS的操作与维护；5、显示所有机架外的告警信号；6、本地总线控制，通过总线和TRU、ECU通信；7、保存一份机架设备的数据库。DXUTop right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-828TRAUTRHRPDCPRPRP RPETCETCGSDXUTRUTRUECU环境和电源CDUCDU本地终端本地终端 接口接口A-BIS接口接口外部告警外部告警 接口接口定时总线（定时总线（Timing Bus）本地总线（本地总线（Local Bus）CDU BUSX-Bus天馈线接口测试MS接口天馈线接口测试MS接口主电源输入接口主电源输入接口外接电池接口外接电池接口交流电源输出接口交流电源输出接口直流电源输出接口直流电源输出接口BSC与RBS2202硬件连接结构图Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-829CDU合成分配单元Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-830CDU-C硬件结构示意图（GSM900）Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-831问题6：CDU中，如何将不同TRU产生的信号通过发射天线发射出去？RBS2202硬件介绍功率合成器COMB Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-832CDU-C硬件结构示意图（GSM900）Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-833CDU功率合成器COMB：功能使基站上的几部发信机能连接到同一天线；防止各发信机的频带信号产生串扰。种类：混合型宽带功率合成器（混合型宽带功率合成器（HCOMB）滤波型窄带功率合成器（滤波型窄带功率合成器（FCOMB）Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-834CDU混合型宽带功率合成器（混合型宽带功率合成器（HCOMB）1.宽带设备，允许在发射带宽内所有前向的频率信号通过；2.每个H-COMB能把两部发信机的信号合成到同一天线；3.每个H-COMB都有3dB的插入损耗。P2 f2P1 f1P=(p1+p2)/2加吸收负载HCOMBTop right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-835CDU混合型宽带功率合成器（混合型宽带功率合成器（HCOMB）如果有四部发信机分两级，全程将有6dB的插入损耗HCOMBHCOMBHCOMB-3dB-3dB天馈线发信机Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-836CDU滤波型窄带功率合成器（滤波型窄带功率合成器（FCOMB）1.窄带设备，只允许选择在发射带宽内的一个频率信号通过；2.这种合成器不管系统有多少部发信机它都有4dB的插入损耗；3.多用于多发信机的系统中。Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-837RTX1RTX2RTX3RTX4TXBPMCUBURSTf1f1f2f2f3f1f3f4f4BURST1BURST2BURST3f1f2f3-4dBFCOMBTop right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-838CDU-C硬件结构示意图（GSM900）Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-839问题7：CDU中，如何将接收天线接收的信号分配给相应的TRU？RBS2202硬件介绍接收分配放大器RXDATop right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-840CDU-C硬件结构示意图（GSM900）注：RXDA放大和分配接收信号，或者送至RXD（CDU-C），或者直接送至TRU（CDU-A）。Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-841问题8：基站若使用收发共用天线，如何解决？RBS2202硬件介绍双工器DUPLEXERTop right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-842CDU双工器DUPLEXER使收发天线公用，内含发射带通滤波器和接收带通滤波器，分开收发信道。发信带通滤波器收信带通滤波器至天线发信机RF输出 收信机RF输入Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-843DUPLEXERRXDARXDADUPLEXERANT-AANT-BTXA RXA RXB TRU1TXB RXA RXB TRU2CDU-ACDU-A双工器示意图（GSM900）Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-844CDU-C硬件结构示意图（GSM900）Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-845CDU-C硬件结构示意图（GSM900）MCUTop right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-846CDU功能：1、发信机的功率合成，发射信号前进行滤波；2、收信信号的前置放大和分配，接收后的信号进行滤波；3、对前向信号和反向信号的功率进行测量，用以电压驻波比（VSWR）的计算；4、测试移动台。Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-847Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-848CDU的连接CDU类型1.CDU-A2.CDU-C3.CDU-C+4.CDU-D5.CDU-F6.CDU-GTop right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-849CDU-A硬件结构示意图（GSM900）TRUTRUTDU双工器Meas.CouplerTXBP双工器Meas.CouplerTXBPRXDADirectCoulperRXBPRX TestARXARXDADirectCouplerRXBPRX TestARXBRXARXBTX TX/RX 至天线至天线Pf Test1Pr Test1TX/RX至天线至天线Pf Test2Pr Test2MS TestPrPfPrPfPr PfPr Pf12CO&MCDU BusCDU-A为TRU提供几个接收接口？几个发射接口？两个接收接口，两个发射接口Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-850DUPLEXERRXDARXDADUPLEXERANT-AANT-BTXA RXA RXB TRU1TXB RXA RXB TRU2CDU-ACDU-A与TRU连接示意图（GSM900）Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 ptOpenRBS 2206 O&M2006-3-851CDU天线低噪声放大器ALNA1800MHZ或1900MHz系统中使用；可用于放大接收信号，补偿天馈线损耗；起到双工器的作用。ALNARXDARXDAANTALNAANTTXA RXA RXB TRU1TXB RXA RXB TRU2CDU-ACDU-A FOR DCS1800 or PCS1900Top right corner for field-mark,customer or partner logotypes.See Best practice for example.Slide title 40 ptSlide subtitle 24 ptText 24 ptBullets level 2-520 pt