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ID:48153996
大小:4.59 MB
页数:37页
时间:2020-01-17
《构筑3G网络基础 拓展3G网络应用.ppt》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、构筑3G网络基础拓展3G网络应用CiscoisEmpowering3GMobileSystems3GRAN’sTransportnetworksCiscoGatewaySolutionIPv6inMobileNetworks3GCoreNetworkRequirementsandSolution3GServicePlatform:CMXCisco3GsolutionoverviewMobileOperatorCAPEXMobileCAPEXTrendLimitedCapExdemandsthemaximizationofreturnsoncapitalinvestment
2、s,makinginvestmentprotectioncritical,particularlyintheRANsinceitaccountsfor70%ofCapExSource:CiscoToscanaSource:GartnerResearchasrevisedbyCiscoBD3GPPRANEvolution–Rel6+BackwardcompatibilitywithpreviousarchitectureandprotocolsSplitcontrolanduserplaneMorefeaturesshouldbehandledbythe(i)NodeB(+
3、)EvolutiontoIPCost-efficiency,scalabilityandrobustnessBetterQoSbecausemultimediaFasterhand-over,lessdelayMoretrafficmeansmoreprocessingRNCcan’thandleeverythingRAN-OSolution基于IP的GSM/UMTS无线传输网优化方案–应用场景1RNCBSCNode-BBTSMobileOperatorNetworkPLMNCell-SiteOptimizedGSMandUMTSRANBackhaul:Abis+Iubo
4、verIP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3GPPR5/R6IPRAN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);SD
5、HE1TransparenttoRANVendors50%MeasuredT1/E1EfficiencyGainforGSM/GPRS/EDGE基于现有基站回传链路实现优化RAN-OCaseStudy:EricssonBusyHourGSMEfficiencyGainResultsRecovered100%ofbandwidthfromidlechannelsRecovered50%+ofbandwidthfromactivechannels80%+totalbandwidthrecoveredReduce2TDMAbisE1sTo1IPE1!RAN-OCaseStudy
6、:SiemensBusyHourGSMEffGainResults50%+totalbandwidthrecoveredReduce2TDMAbisE1sTo1IPE1!RAN-OCaseStudy:NokiaBusyHourGSMEffGainResults50%+totalbandwidthrecoveredReduce2TDMAbisE1sTo1IPE1!RNCBSCNode-BBTSMobileOperatorNetworkPLMNCell-SiteOptimizedGSMandUMTSRANBackhaul:Abis+IuboverIP获益于:可以为基于IP的R
7、AN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);BroadbandIPBackhaulT1/E1GSM/GPRS/EDGEpathUMTSVoiceandSignalingpathHSDPAandUMTSDataOffloadRAN-OS
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