构筑3G网络基础 拓展3G网络应用.ppt
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1、1 2001,Cisco Systems,Inc.All rights reserved.2001,Cisco Systems,Inc.All rights reserved.2003,Cisco Systems,Inc.All rights reserved.构筑构筑3G网络基础网络基础 拓展拓展3G网络应用网络应用Cisco is Empowering 3G Mobile Systems2 2004,Cisco Systems,Inc.All rights reserved.2 23G RANs Transport networks Cisco Gateway SolutionIPv6 i
2、n Mobile Networks3G Core Network Requirements and Solution 3G Service Platform:CMXCisco 3G solution overview3 2004,Cisco Systems,Inc.All rights reserved.3 3Mobile Operator CAPEXMobile CAPEX TrendLimited CapEx demands the maximization of returns on capital investments,making investment protection cri
3、tical,particularly in the RAN since it accounts for 70%of CapExSource:CiscoToscanaSource:Gartner Research as revised by Cisco BD4 2004,Cisco Systems,Inc.All rights reserved.4 43GPP RAN Evolution Rel6+Backward compatibility with previous architecture and protocolsSplit control and user planeMore feat
4、ures should be handled by the(i)NodeB(+)Evolution to IP Cost-efficiency,scalability and robustnessBetter QoS because multimediaFaster hand-over,less delayMore traffic means more processing RNC cant handle everything5 2004,Cisco Systems,Inc.All rights reserved.5 5RAN-O Solution基于基于IP的的GSM/UMTS无线传输网优化
5、方案无线传输网优化方案 应用场景应用场景 1RNCBSCNode-BBTSMobile Operator NetworkPLMNCell-SiteOptimized GSM and UMTS RAN Backhaul:Abis+Iub over IP获益于:获益于:减少RAN回传网络的资源要求,更快、更便宜地扩容 GSM/GPRS/UMTS网络,而无需更改RAN网络的设计;与 3GPP R5/R6 IP RAN 传输协议兼容,支持FR,EFR,HR,AMR 等语音速率,不影响语音质量;单一的IP汇聚网络,无需增加费用,快速地在现有RAN上开展UMTS业务,简化UMTS/GSM网络的运维费用和升
6、级成本与无线厂商设备无关,可以将多厂商设备集成到同一个RAN中,运营商级别的可靠性;基站IP电话和局域网为技术人员提供语音和网络连接;通过IP/SNMP维护、管理和监视基站设备,节省运维成本,提高效率,缩短平均故障恢复时间(MTTR);SDH E1 Transparentto RANVendors基于现有基站回传链路实现优化基于现有基站回传链路实现优化6 2004,Cisco Systems,Inc.All rights reserved.6 6RAN-O Case Study:Ericsson Busy Hour GSM Efficiency Gain ResultsRecovered 10
7、0%of bandwidth fromidle channelsRecovered 50%+of bandwidth from active channels80%+totalbandwidthrecoveredReduce2 TDM Abis E1sTo 1 IP E1!7 2004,Cisco Systems,Inc.All rights reserved.7 7RAN-O Case Study:Siemens Busy Hour GSM Eff Gain Results50%+totalbandwidthrecoveredReduce2 TDM Abis E1sTo 1 IP E1!8
8、2004,Cisco Systems,Inc.All rights reserved.8 8RAN-O Case Study:Nokia Busy Hour GSM Eff Gain Results50%+totalbandwidthrecoveredReduce2 TDM Abis E1sTo 1 IP E1!9 2004,Cisco Systems,Inc.All rights reserved.9 9RNCBSCNode-BBTSMobile Operator NetworkPLMNCell-SiteOptimized GSM and UMTS RAN Backhaul:Abis+Iub
9、 over IP获益于:获益于:可以为基于IP的RAN选择多种高容量、低费用的传输技术,不仅仅是 E1,还包括以太网、802.xx;将UMTS和HSDPA数据从 E1上分流到基于IP的网络中,节省运维费用;当网络需求增长时,可以更简单、更快、更便宜地扩容;从专线向宽带回传网络迁移时,设备提供投资保护;Cisco业务保障代理(SAA)有效地、及时地监视网络的性能(延迟、抖动、丢包、服务级别等);Broadband IP BackhaulT1/E1GSM/GPRS/EDGE pathUMTS Voice and Signaling pathHSDPA and UMTS Data OffloadRA
10、N-O Solution基于基于IP的的GSM/UMTS无线传输网优化方案无线传输网优化方案 应用应用场景场景 210 2004,Cisco Systems,Inc.All rights reserved.1010RAN-O Solution基于基于IP的的GSM/UMTS无线传输网优化方案无线传输网优化方案 应用应用场景场景 3RNCBSCBTS/Node BMobile Operator NetworkPLMNOptimized GSM and UMTS RAN Backhaul:Abis+Iub over IP获益于获益于:基站上的IP连接带来新的用户,基站成为多种业务和企业客户的接入点
11、,创造新的利润增长;基站点路由器可用于连接其他无线设备,可快速部署下一代无线网络技术,无缝地升级到4G;Broadband IP BackhaulE1Mobile IP/FA,VoIP,Content Caching,Multi VPN,IP Multicasting,QoS,PPP,DHCP,Routing综合业务基站点综合业务基站点IP PhonesIP PhonesQoS,Security11 2004,Cisco Systems,Inc.All rights reserved.1111思科无线传输优化方案阶段部署思科无线传输优化方案阶段部署3G启动阶段启动阶段2G用户占绝大多数;用户占
12、绝大多数;3G用户很少;却不断增长用户很少;却不断增长回传资源以回传资源以E1为主,主要满足为主,主要满足Abis流量需求,兼顾流量需求,兼顾Iub流量流量思科无线传输优化方案用途:思科无线传输优化方案用途:利用利用IP E1的统计复用方式降低的统计复用方式降低TDM链路链路/时隙的调度和运维难度时隙的调度和运维难度UMTS Iub E1IP E1GSM Abis E112 2004,Cisco Systems,Inc.All rights reserved.1212思科无线传输优化方案阶段部署思科无线传输优化方案阶段部署3G拓展阶段拓展阶段新增用户以新增用户以3G为主,为主,2G用户不断升级
13、到用户不断升级到3G,3G用户数激增用户数激增新兴高速传输技术(如新兴高速传输技术(如WiMAX)可以为运营商带来更多用户)可以为运营商带来更多用户回传资源须同时满足回传资源须同时满足Abis、Iub和和IP流量需求流量需求思科无线传输优化方案用途:思科无线传输优化方案用途:利用利用IP E1的统计复用方式自动适应的统计复用方式自动适应Abis流量和流量和Iub流量的此消彼涨流量的此消彼涨利用各种高速利用各种高速IP网络分流移动用户数据业务流量网络分流移动用户数据业务流量IP E1GSM Abis E1SDH/FE/xDSL/WiMAXUMTS Iub E1UMTS Iub E1WiMAX/W
14、iFi13 2004,Cisco Systems,Inc.All rights reserved.1313思科无线传输优化方案阶段部署思科无线传输优化方案阶段部署3G R5/B3G阶段阶段2G用户量不断萎缩,用户量不断萎缩,2G网络逐步停用网络逐步停用3G/B3G/4G基站基本具备基站基本具备IP接口(以接口(以Fast Ethernet为主)为主)回传资源升级为回传资源升级为Metro E/AToM/MSTP等,但仍需支持等,但仍需支持Abis和和Iub E1思科无线传输优化方案用途:思科无线传输优化方案用途:提供对提供对3G/B3G/4G多种设备的多种设备的IP接口接口在新的回传网络上提供
15、对原有在新的回传网络上提供对原有E1接口的支持,摆脱对接口的支持,摆脱对E1传输的依赖传输的依赖GSM Abis E1IP E1UMTS Iub E1UMTS Iub E1UMTS Iub/4GIP Fast EthernetSDH/FE/xDSL/WiMAX14 2004,Cisco Systems,Inc.All rights reserved.14143G RANs Transport networks Cisco Gateway SolutionIPv6 in Mobile Networks3G Core Network Requirements and Solution 3G Ser
16、vice Platform:CMXCisco 3G solution overview15 2004,Cisco Systems,Inc.All rights reserved.1515Cisco Gateway Solution 2.5G GPRS ArchitectureHLRBSCBTSBTSMSMSGGSNSGSNCharging GatewayDNS/DHCPOMCRADIUSor proxyGbGaGaGa(GTP)GnGn/Gp(GTP)InternetCorporateGiBorderGatewayForeign PLMNBilling SystemGpWAP GWRADIUS
17、PCUGcSMS-CMSC/VLRSS7GPRS Tunneling Protocol(GTP)Version 0(GTP V0)Core NetworkIPGTP-MAP16 2004,Cisco Systems,Inc.All rights reserved.1616Cisco Gateway Solution 3G UMTS ArchitectureRNCNodeBNodeBUEUE3G-SGSNIuGnGn/GpInternetCorporateGiBGForeign PLMNGpRadio is based on CDMA and it is QoS Aware GTP Versio
18、n 1(GTP V1)Radio Network ControlCore NetworkIP3G-GGSNGaGaCharging Gateway17 2004,Cisco Systems,Inc.All rights reserved.1717Cisco Gateway Solution 2.5G Mobile Architecture CDMA 1xEV(IS856)MobilephoneSS7BSCBTSMSCGMSCPSTN3 x T1/E1n x T3/STM1n x T3/E3DACSHLRAuCEIRVLRInternetPDSN/FAPCFCDMA 1xEV Evolution
19、,also known as High Data Rate,HDRPDSN Packet Data Services NodeFA Foreign AgentHA Home AgentPCF Packet Control FunctionR-P RAN to PDSN InterfaceA10 Bearer DataA11 Control DataMIP Mobile IPGRE Generic Route EncapsulationR-PA10/A11PiRLPCDMARLPCDMARLPAbisRLPAbisA10/A11Layer 2Layer 1MIP GREIPPPPA10/A11L
20、ayer 2Layer 1R-PClient DeviceBTSBSC/PCFPDSN/FAMIPIPPPPLACMACBT/USBTerminalElementMobileTerminalGREMIPLayer 2Layer 1Home AgentA8/A9GRE18 2004,Cisco Systems,Inc.All rights reserved.1818Cisco Gateway Solution Cisco GGSN/PDSN LeadershipEnable Mobile Operators to provide VPN Services to Corporations/Ente
21、rprisesIP Rich-IOS Feature Set industry leading features and stabilityBroadest VPN Support in the industryProven IOT with all major RAN/SGSNs2.5G to 3G Migration:Software Upgrade OnlyHigh-Density,High-AvailabilityMature Products on Mature Platforms7206,MWAM module in 6500/760019 2004,Cisco Systems,I
22、nc.All rights reserved.1919Mobile Wireless Solution Refresher(1)Core NetworkChallenges-Voice-Centric Network Architecture-High cost of DS0 transport-Proprietary Technology-Rigid and inflexible circuit switched technologyBTSMSCGMSCMSCMSCTodayPoint-to-point TrunkingAdvantages-Bandwidth Savings-Opex Re
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