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1、2G/3G RAN的IP优化解决方案-Cisco RAN Optimization,康团社 Cisco CMCC HQ and North Team,议题,移动IP NGN系统架构及向全IP融合的路线图移动网络向全IP融合的各个步骤：面临的挑战及解决办法2G/3G对RAN的需求和RAN优化解决方案RAN Optimization 方案的提出RAN Optimization Value PropositionCisco RAN-O在移动网络中的应用场景及部署参考案例及总结,议题,移动IP NGN系统架构及向全IP融合的路线图移动网络向全IP融合的各个步骤：面临的挑战及解决办法2G/3G对UTRA
2、N的需求和RAN优化解决方案RAN Optimization 方案的提出RAN Optimization Value PropositionCisco RAN-O在移动网络中的应用场景及部署参考案例及总结,Mobility IP NGN Architecture,APPLICATION CONVERGENCE,SERVICE CONTROL CONVERGENCE,Transport,O P E R A T I O N A L L A Y E R,S E C U R I T Y L A Y E R,NETWORK CONVERGENCE,Application&Policy FunctionP
3、olicy Enforcement Points,MobileService Exchange,ParentalControl,VoIPOverMobile,Picture Messaging,Mobile TV,Push to Talk,Mobile Gaming,RANAggregation,Radio,IP/MPLSCore,RANCellsite,Mobility IP NGN ArchitectureHow does it evolve to full convergence IP based,Legacy MobileSwitching,IP/MPLSTransport Netwo
4、rk,Internet,RAN,Content,Content/Apps,Policy,CSCP,POC,App X,Content,AllIP,Journey to the IP Mobile Network,V,IP/MPLSTransport Network,IP Evolution in GSM/UMTS Networks,All IP Transport,IP in the Core,IP at the Cell Site,IP Evolution in Mobile Networks-At a Glance,Market Momentum,Stage 1:IP/MPLS for M
5、obile Coreand Signaling over IP,Stage 2:IP/MPLS at 2G/3G RAN Core(AToM),Stage 3:Backhaul Optimization at RAN Edge(RAN-O),Stage 4:End-to-End Intelligent IP Transport,Future Solutions,IP in the Core,IP in the Core,Stage 1:IP/MPLS for Mobile Coreand Signaling over IP,More Mobile/Data networksEDGE/GPRS/
6、3G Proliferation of disparate voice,data,and IT networks Costly to manage and cumbersome to deploy new services More traffic and Services Growing voice trafficSuccess of SMS More data services Difficult and expensive to scale TDM transport and signaling networksMounting cost pressure due to increasi
7、ng competition,Trends/Challenges,Solution Requirements,Reduce OpExSimplify network architecture and operationConsolidate multiple networks into a highly scalable coreMigrate 3G and 2G voice from the more expensive circuit-switched networkFind a scalable and cost efficient solution for the signaling
8、network,Stage 1:IP/MPLS for Mobile Coreand Signaling over IP,BTS,Radio Access Network,Backbone Network,RAN Edge,Node B,A,Gb,IuPS,IuCS,Abis,Iub,RAN Core,IP/MPLS,ATM/TDM/FR,SONET/SDH,ATM/TDM,Internet,BSC/RNC,MGW,MSC,GGSN,SGSN,T-MGW,G-MSW,MSC Server,HLR,Mobile Core Network,Services,G-MSCS,UTRAN 网络的ATM连
9、接,在Iu-b接口：VC汇聚是必要的功能（大量的VCs到少量的接口）；在Iu接口：VC交换是必备的功能；,Stage 2:IP/MPLS at 2G/3G RAN Core(AToM),NodeB,MGW,SGSN,RNC,RAN Edge,RAN Core,Stage 2:IP/MPLS at 2G/3G RAN Core(AToM),Iu interfaces were ATM basedContinuous 3G ATM buildoutLack of scalability and industry momentum in ATM operators re-evaluate netwo
10、rk investment strategyPVC management issues,Trends/Challenges,Solution Requirements,Scale back and cap ATM investmentProtect existing ATM investment Enable convergence and OpEx reductionBalancing proved AToM technology,AToM:Any Transport over MPLS,Stage 2:IP/MPLS at RAN Core(AToM),SONET/SDH,BTS,Node
11、 B,BSC,ATM Agregation,Radio Access Network,Abis,Iub,ATM/FR/TDM,IP/MPLS,SGSN,IP/MPLS Backbone,GMSC,GGSN,Internet,AToM,SS7oIP,RNC,ATM/TDM,RAN Edge,RAN Core,Mobile Core Network,HLR,Stage 3:RAN Backhaul Optimization,Proliferation of networks,services and high-speed access increases backhaul traffic:Co-e
12、xisted BTS/Node B sites forGSM/GPRS/EDGE/UMTSHSDPA and WiFiHigh-speed IP radio overlaysIMS/SEF and FMCIncreasing traffic loads call for additional costly backhaul BW Need to reduce E1/T1 backhaul cost while increasing backhaul capacity and availabilityNeed to reduce Capex and OpEx associated with 2G
13、 MSCs Need to expand existing services and introduce new services with same or lower per unit cost,Trends/Challenges,Solution Requirements,Transition to Next Gen backhaulAccess-agnostic Maximize existing backhaulAllow for transition to broadband backhaulEnable 2G/3G/4G convergenceMore Effective for
14、OperationIP intelligent Cell siteExtra ServicesSupport voice,data,video,Stage 3:Backhaul Optimization RAN-O,SONET/SDH,BTS/Node B,RAN Access Network,Abis/Iub Optimization,RAN Edge,FR/ATM/TDM,IP/MPLS,Abis/Iub,IP,SONET/SDH/Ethernet/DSL,GGSN,IP/MPLS Backbone,Internet,BSC/RNC,GMSC,SGSN,SS7oIP,MGW,MSC Ser
15、ver,MSC,RAN Core,RAN-O,Mobile Core Network,Stage 4:End-to-End Intelligent IP Transport,IP RAN deploymentRAN elements talking IPCo-existence with legacy RANMulticast in IP RANIP-based mobile servicesHierarchical Mobile IP for mobilityNew radio technologies and convergence of access networksVoice/data
16、/video any time any where over any access,Trends/Challenges,A high-capacity,scalable and cost efficient network for IP RAN,with support for legacy RANEnd-to-end network with simplified architecture and managementEnable Quad-play:Voice,Data,Video,Mobility,Solution Requirements,Stage 4:End-to-End Inte
17、lligent IP Transport,Internet,BTS/Node B,BSC/RNC,GMGW,Radio Access Network,Backbone Network,MGW,Abis/Iub,IP/MPLS,SONET/SDH/Ethernet/DWDM,IP POP at cellsite,MSC Server,3GPP IP RANBroadband Networks,Mobility GW,IP over E1/T1,Cisco Intelligent IP Transport Solutions Spanning the RAN and the Core,Mobili
18、ty Cisco Intelligent IP Transport,Optimization over IPGSM/UMTS OptimizationCDMA Optimization,Broadband IP BackhaulHSDPA Offload,IP POP ServicesNew revenue-generating IP services,RANAggregationEV-DO IP AggregationUMTS ATM AggregationWiMax IP Aggregation,IP/MPLSBackboneIP/MPLS CoreAny Transport over M
19、PLS(AToM)in the RAN2G/3G Voice Convergence,Signalingover IPSS7oIPSMS OffloadConvergence with IP/MPLS core,RAN Cell Site,Cisco in the RAN,Cisco in the Core,RAN Optimization,议题,移动IP NGN系统架构及向全IP融合的路线图移动网络向全IP融合的各个步骤：面临的挑战及解决办法2G/3G对UTRAN的需求和RAN优化解决方案RAN Optimization 方案的提出RAN Optimization Value Proposi
20、tionCisco RAN-O在移动网络中的应用场景及部署参考案例及总结,Mobile Operator CAPEX,Mobile CAPEX Trend,Limited CapEx demands the maximization of returns on capital investments,making investment protection critical,particularly in the RAN since it accounts for 70%of CapEx,Source:CiscoToscana,Source:Gartner Research as revise
21、d by Cisco BD,3G Deployment Costs,Telecom Media Networks,A significant cost of rolling out a new service is the access transmission networkimproving current backhaul network utilization provides relief,3GPP RAN Evolution Rel5RAN Edge/RAN Core,NodeB,MGW,SGSN,RAN Edge,RAN Core,RNC,BTS,MSC,BSC w/PCU,3G
22、PP RAN Evolution Rel6+,Backward compatibility with previous architecture and protocolsSplit control and user planeMore features 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
23、 processing RNC cant handle everything,Cisco Concept:-Facing Full IP Architecture,Cell Site DCNReduce truck rolls and MTTRRemote Cell Site AccessCell Site LAN ExtensionCell Site IP TelephonyCell Site SurveillanceRemote Alarm Monitoring and ControlPort Flexibility,Cell Site Hotspot Co-LocationRAN bac
24、khaul re-use2G BTS,3G NodeBQoS and Dynamic Bandwidth AllocationSecurityIntelligent Network Services(VoIP,VPN,local DHCP proxy,Mobile IP,routing,security,etc.)Reduce TTM for new services,Optimized Abis/Iub over IPFull IP and Reduce backhaul costsMaximize the number of voice and data calls carried per
25、 T1/E1IP-based packet backhaul for 2/3/4GNew services“ride for free”Reduce TTM for new services,Alternative BackhaulEnable cheaper and higher capacity backhaul options802.16,Metro E,DSL backhaulIP-based transport for 2/3/4G voice/data bearer,RAN OPTIMIZATION,Cell Site,Central Site,Cisco基于IP的RAN优化方案-
26、针对“2G/3G的传输网络层”,SDH/MSTP,RAN-O在运营商传输网中的位置-针对“2G/3G的传输网络层”,2xE1,4xE1,Central Site,E1+FE,Optimized Abis and Iub over IP,RNC,BSC,GSM BTS,UMTS Node B,TDM,Iub,TDM,ATM,Abis,ATM,E1,Optimized Abis/Iub over IP,T1/E1,T1/E1,Cell Site Access Network BSC/RNC Site,Cisco MWR 1941-DC,50%Measured T1/E1 Efficiency Ga
27、infor GSM/GPRS/EDGE,RAN OPTIMIZATION,RAN-O Case Study:Ericsson Busy Hour GSM Efficiency Gain Results,Recovered 100%of bandwidth fromidle channels,Recovered 50%+of bandwidth from active channels,80%+totalbandwidthrecovered,Reduce2 TDM Abis E1sTo 1 IP E1!,RAN-O Case Study:Siemens Busy Hour GSM Eff Gai
28、n Results,50%+totalbandwidthrecovered,Reduce2 TDM Abis E1sTo 1 IP E1!,RAN-O Case Study:Nokia Busy Hour GSM Eff Gain Results,50%+totalbandwidthrecovered,Reduce2 TDM Abis E1sTo 1 IP E1!,IP Phones,Cell Site Points-of-Presence(POPs),RNC,BSC,GSM BTS,UMTS Node B,TDM,TDM,ATM,ATM,T1/E1,Optimized Abis/Iub ov
29、er IP,PWLAN,Mobile IP/FAVoIPContent CachingMulti VPNIP MulticastingQoSPPPDHCPRouting,100Base-T,RS-232/10/100Base-T,Cell Site Access Network BSC/RNC Site Mobile Internet Edge,BatteriesTower LightsRF Monitoring UnitLocation Based ServerLaptopsIP Cameras,100Base-T,RAN OPTIMIZATION,SCCP IP Phones,IP Pho
30、nes,Alternative Cellular Backhaul-Based on IP,RNC,BSC,GSM BTS,UMTS Node B,TDM,TDM,ATM,ATM,PWLAN,100Base-T,Cell Site Access Network BSC/RNC Site Mobile Internet Edge,100Base-T,802.16,Telco DATA Network,Alternative Backhaul Options:Metro Ethernet802.16/20 xDSL,Cable,Cisco MWR,RAN OPTIMIZATION,SCCP IP
31、Phones,Cell Site DCN+Optimized Abis/Iub over IP+Cell Site Hotspot/WMAN Co-Location,E1,Cisco MWR 1941-DC,RF Monitoring UnitMicrowave EquipmentTower Light ControllerBattery System,10/100 Base-T,RS-232,Email access for trouble ticketsOSS network accessDatabase access for inventory and technical knowled
32、geCisco IP SoftPhone or FXS/FXO VoIP for tech and support servicesWeb camera for SecurityLocal data archival,IP(Eth),All IP-basedbearer transport+DCN traffic+Data overlay,Network Operations Center,BSC/RNC,BTS/Node B,10/100 Base-T,T1/E1,Optimize RAN Backhaul EfficiencyMaximize Utilization of RAN Tran
33、sport NetworkOptimize Cell Site Operations SupportReduce Management Costs,Voice and data bearer carried over IP using minimum bandwidth,TDM HDLCATM(T1/E1),WMAN(802.16,802/20),3/4G data overlays,PWLANs(802.11),ONS,MWR 3845,1941-DC,RAN OPTIMIZATION,IP Phones,IP Phones,面向未来移动通信全IP架构:移动通信业务全面基于IP,RAN 传送
34、（基站业务流）回传基于IP统一3G发展各个阶段中各类移动设备上的各种传输接口:TDM-IP 传送的平滑过渡；优化 Abis/Iub Backhaul over IP:优化 基站业务流量的回传效率在不降低话质的前提下，扩大现有E1线路的传送话路的数量;2G/3G共站点:汇集2G/3G基站的业务流到同一个IP的回传链路上:N*E1;RAN节点归属RNC的迁移、优化的简便性：未来的Node-B的双归属，RNC的冗余2G/3G基站点智能化，实现基站点业务综合化优化基站维护网络:减少维护成本,可支持基站间设备状态互知，如安全监控、环境探测;基站点不仅仅是移动通信网络的接入点，并可扩充为各种IP业务的接入
35、点,具备完善的Qos调度功能；运营商可充分利用基站点实现对企业用户的业务接入：提供有线/无线专线；满足未来新类型基站IP化建设的需要:PWLAN,WiMAX,802.20.丰富的IP端口、以最小的成本、最高的容量传输 满足新类型基站的要求,Cisco RAN-O Value Proposition,Cisco RAN-O 产品系列,MWR 1941-DC-ACell Site Access Platform,ONS 15454Aggregation Platform,GSM&UMTS Transport OptimizationGPRS/EDGE supportAll GSM codecsSa
36、tellite transport supportUMTS and HSDPA OffloadIP Broadband RAN Transport with ext clockQoS,basic IP ServicesIP transport for 2G/3G/4GT1/E1 Protection SwitchingExtended Operating TempVendor independentAdvanced Services/CA Package,MWTMNetwork Management,GSM&UMTS Transport OptimizationGPRS/EDGE suppor
37、tAll GSM codecsUMTS and HSDPA OffloadIP Broadband RAN Transport with ext clockQoS,basic IP ServicesIP transport for 2G/3G/4GN:1 redundancyExtended Operating TempVendor independentAdvanced Services/CA Package,Centralized management consoleReal-time backhaul utilization by traffic type and radio Event
38、 monitoringWeb based reportingAuto discovery and topologyInventory OSS integrationCapacity planningClient-server architectureMultiple OS support Solaris,Windows,Linux,Cisco MWR 1941-DC-A,1RU/12.5 in.deep/19 in.rack mount form factor w/Front-to-back airflowFront access cabling and LEDs2 integrated 10
39、/100Base-T LAN ports3 integrated VWIC slots each supporting 2 T1/E11 Network Module slot supporting 2 VWICsIntegrated AIM-10 to 55C extended operating temperature20-60V DC universal power supplyT1/E1 Protection Switching,ONS UMTS Configuration,FMEC ETSI Panel BITS And Cables Here,E3,STM1,or OC3for h
40、igh speedUMTS or IP,Cisco Platform Summary,议题,移动IP NGN系统架构及向全IP融合的路线图移动网络向全IP融合的各个步骤：面临的挑战及解决办法2G/3G对UTRAN的需求和RAN优化解决方案RAN Optimization 方案的提出RAN Optimization Value PropositionCisco RAN-O在移动网络中的应用场景及部署参考案例及总结,思科无线传输优化方案应用场景,动态调度2G/2.5G/3G共站的传输资源基于TDM链路/时隙基于IP over E1的统计复用适配移动通信发展过程中的不同基站接口和传输网络对Abis/
41、Iub接口数据的压缩和优化，降低租线(卫星/微波）开支适应高速无线数据业务对传输的要求将高速数据业务流量分流到STM-1、Metro-E、WiMAX等高速IP网络中对线路质量敏感的话音业务仍采用现有专用E1线路承载利用基站点拓展新业务基站点不仅仅是移动通信网络的接入点，并可扩充为各种IP业务的接入点；运营商可充分利用基站点实现对企业用户的业务接入：提供有线/无线专线；,Cisco RAN-O Solution基于IP的GSM/UMTS无线传输网优化方案 应用场景 1,RNC,BSC,Node-B,BTS,Mobile Operator NetworkPLMN,Cell-Site,Optimiz
42、ed GSM and UMTS RAN Backhaul:Abis+Iub over IP,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
43、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,50%Measured T1/E1 Efficiency Gainfor GSM/GPRS/EDGE,基于现有基站回传链路实现优化,RNC,BSC,Node-B,BTS,Mobile Operator NetworkPLMN,Cell-Site,Optimized GSM and UMTS RAN Backhaul:Abis+Iub over IP,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U
44、MTS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 Backhaul,T1/E1,GSM/GPRS/EDGE path,UMTS Voice and Signaling path,HSDPA and UMTS Data Offload,Cisco RAN-O Solution基于IP的GSM/UMTS无线传输网优化方案 应用场景 2,Cisco RAN-O So
45、lution基于IP的GSM/UMTS无线传输网优化方案 应用场景 3,RNC,BSC,BTS/Node B,Mobile Operator NetworkPLMN,Optimized GSM and UMTS RAN Backhaul:Abis+Iub over IP,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，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 Backhaul,E1,What would you do with 1Mbps free bandwidth per ce
46、ll site?,Mobile IP/FA,VoIP,Content Caching,Multi VPN,IP Multicasting,QoS,PPP,DHCP,Routing,.Enterprise IP,Internet access,IP telephony,IP PBX,IP cameras,video surveillance,WiMAX.new revenue streams,综合业务基站点,IP Phones,IP Phones,QoS,Security,思科无线传输优化方案阶段部署3G启动阶段,2G用户占绝大多数；3G用户很少；却不断增长回传资源以E1为主，主要满足Abis流
47、量需求，兼顾Iub流量思科无线传输优化方案用途：利用IP E1的统计复用方式降低TDM链路/时隙的调度和运维难度,UMTS Iub E1,IP E1,GSM Abis E1,思科无线传输优化方案阶段部署3G拓展阶段,新增用户以3G为主，2G用户不断升级到3G，3G用户数激增新兴高速传输技术（如WiMAX）可以为运营商带来更多用户回传资源须同时满足Abis、Iub和IP流量需求思科无线传输优化方案用途：利用IP E1的统计复用方式自动适应Abis流量和Iub流量的此消彼涨利用各种高速IP网络分流移动用户数据业务流量,思科无线传输优化方案阶段部署3G R5/B3G阶段,2G用户量不断萎缩，2G网络
48、逐步停用3G/B3G/4G基站基本具备IP接口（以Fast Ethernet为主）回传资源升级为Metro E/AToM/MSTP等，但仍需支持Abis和Iub E1思科无线传输优化方案用途：提供对3G/B3G/4G多种设备的IP接口在新的回传网络上提供对原有E1接口的支持，摆脱对E1传输的依赖,GSM Abis E1,IP E1,UMTS Iub E1,UMTS Iub E1,UMTS Iub/4GIP Fast Ethernet,SDH/FE/xDSL/WiMAX,议题,移动IP NGN系统架构及向全IP融合的路线图移动网络向全IP融合的各个步骤：面临的挑战及解决办法2G/3G对UTRAN
49、的需求和RAN优化解决方案RAN Optimization 方案的提出RAN Optimization Value PropositionCisco RAN-O在移动网络中的应用场景及部署参考案例及总结,Telefonica Moviles Espana Optimus Portugal H3G ItalyVodafone PortugalWind Italy,RAN Optimization Customers example,案例参考,Telefonica Moviles EspanaGSM/UMTS Hybrid RAN,Full IP migrationOptimus Portugal
50、 Full IP migration,Low Capacity Requirement on E1H3G Italy Leased Line Saving,Full IP migrationVodafone PortugalMicrowave E1 Saving in islandWind ItalyMicrowave E1 Saving,SCCP IP Phones,SCCP IP Phones,Cisco基于IP的RAN优化方案 总结,RNC,BSC,GSM/GPRS/EDGE BTS,UMTS Node BHSDPA/HSUPA,TDM,TDM,ATM,Ethernet,Ethernet
