诺西TD-LTE工程建设

R255G204B0R255G130B0R127G16B162R163G166B173R104G113B122R234G234B234R170G15B30R0G0B0R255G255B255Supportingcolors:R60G170B0Primarycolors:Tochangethedocumentinformationinthefooter,press[Alt+F8]andusethe„Nokia_Siemens_Networks_–_Change_Document_Information“macroorclickYoucansetupthecolor/gradientandoutlinestyleofselectedshapeswiththe“Shape_set_color_and_gradient”macro,orbyclicking1©NokiaSiemensNetworks2012ForinternaluseUniquedocumentidentifier(ID)/Versionnumber/Lifecyclestatus诺西TD-LTE工程建设讲座刘舟2012-10Dept./Author/DateR255G204B0R255G130B0R127G16B162R163G166B173R104G113B122R234G234B234R170G15B30R0G0B0R255G255B255Supportingcolors:R60G170B0Primarycolors:Tochangethedocumentinformationinthefooter,press[Alt+F8]andusethe„Nokia_Siemens_Networks_–_Change_Document_Information“macroorclickYoucansetupthecolor/gradientandoutlinestyleofselectedshapeswiththe“Shape_set_color_and_gradient”macro,orbyclicking2©NokiaSiemensNetworks2012ForinternaluseUniquedocumentidentifier(ID)/Versionnumber/LifecyclestatusTD-LTE系统集成技术介绍1TD-LTE设备介绍和连接2TD-LTE工程：基站开通和测试3R255G204B0R255G130B0R127G16B162R163G166B173R104G113B122R234G234B234R170G15B30R0G0B0R255G255B255Supportingcolors:R60G170B0Primarycolors:Tochangethedocumentinformationinthefooter,press[Alt+F8]andusethe„Nokia_Siemens_Networks_–_Change_Document_Information“macroorclickYoucansetupthecolor/gradientandoutlinestyleofselectedshapeswiththe“Shape_set_color_and_gradient”macro,orbyclicking3©NokiaSiemensNetworks2012ForinternaluseUniquedocumentidentifier(ID)/Versionnumber/LifecyclestatusTD-LTE系统结构—网络拓扑R255G204B0R255G130B0R127G16B162R163G166B173R104G113B122R234G234B234R170G15B30R0G0B0R255G255B255Supportingcolors:R60G170B0Primarycolors:Tochangethedocumentinformationinthefooter,press[Alt+F8]andusethe„Nokia_Siemens_Networks_–_Change_Document_Information“macroorclickYoucansetupthecolor/gradientandoutlinestyleofselectedshapeswiththe“Shape_set_color_and_gradient”macro,orbyclicking4©NokiaSiemensNetworks2012ForinternaluseUniquedocumentidentifier(ID)/Versionnumber/LifecyclestatusOperatorServicesInternetCorporateServicesTD-LTE系统结构--3GPPR8ArchitectureEvolvedPacketSystem(EPS)PCRFGbIuGn/S4S1-MMES1-US11GxRx+SGiHSSS6bS5UserplaneControlplaneGatewayGN/S3S6aSGSNBSCRNCS10AAARANNodeBeNodeBPDNS12GxcLTE3G2GServingMMELTE是扁平化组网，取消了2G/3G时的基站控制器R255G204B0R255G130B0R127G16B162R163G166B173R104G113B122R234G234B234R170G15B30R0G0B0R255G255B255Supportingcolors:R60G170B0Primarycolors:Tochangethedocumentinformationinthefooter,press[Alt+F8]andusethe„Nokia_Siemens_Networks_–_Change_Document_Information“macroorclickYoucansetupthecolor/gradientandoutlinestyleofselectedshapeswiththe“Shape_set_color_and_gradient”macro,orbyclicking5©NokiaSiemensNetworks2012ForinternaluseUniquedocumentidentifier(ID)/Versionnumber/Lifecyclestatus3G/4G互操作组网方案(MME)GGSNP-GW&GGSNInternetE-UTRANServingGWGSM/UMTSNetworkTD-LTENetworkSGSNGERANUTRANGnGbIuS1-MMES1-US11S5GNGNSGSNDNSGbIuHLRGrHSSS6aGrGn需要完成MME和SGW的GN口申请，完成到2G/3GSGSNGN口路由互通需要增加4GDNS数据，负责翻译寻址SGSN需要增加3GDNS数据，负责翻译寻址MME，DNS增加测试APN数据SGSN需要升级软件版本支持LTE互操作，3G基站需要升级软件版本DNSLSTPLSTPR255G204B0R255G130B0R127G16B162R163G166B173R104G113B122R234G234B234R170G15B30R0G0B0R255G255B255Supportingcolors:R60G170B0Primarycolors:Tochangethedocumentinformationinthefooter,press[Alt+F8]andusethe„Nokia_Siemens_Networks_–_Change_Document_Information“macroorclickYoucansetupthecolor/gradientandoutlinestyleofselectedshapeswiththe“Shape_set_color_and_gradient”macro,orbyclicking6©NokiaSiemensNetworks2012ForinternaluseUniquedocumentidentifier(ID)/Versionnumber/Lifecyclestatus第6页TD-LTE的关键技术OFDM技术：下行链路采用OFDMA技术，上行链路采用SC-FDMA方式，在保证用户接入方式上的正交性的同时，避免了OFDM技术中高峰均比的不足。MIMO技术：LTE系统可采用下行2×2、上行1×2个天线，同时也考虑了更多的天线配置（如4×4），实现系统口空峰值速率的倍增。高阶调制技术：LTE系统采用高阶调制，上行链路调制方式引入16QAM，下行链路引入64QAM。扁平化网络结构：去除基站控制器（BSC/RNC）网元，减少传输时延，提高网络承载实时业务的能力。R255G204B0R255G130B0R127G16B162R163G166B173R104G113B122R234G234B234R170G15B30R0G0B0R255G255B255Supportingcolors:R60G170B0Primarycolors:Tochangethedocumentinformationinthefooter,press[Alt+F8]andusethe„Nokia_Siemens_Networks_–_Change_Document_Information“macroorclickYoucansetupthecolor/gradientandoutlinestyleofselectedshapeswiththe“Shape_set_color_and_gradient”macro,orbyclicking7©NokiaSiemensNetworks2012ForinternaluseUniquedocumentidentifier(ID)/Versionnumber/Lifecyclestatus第7页TD-LTE的帧结构R255G204B0R255G130B0R127G16B162R163G166B173R104G113B122R234G234B234R170G15B30R0G0B0R255G255B255Supportingcolors:R60G170B0Primarycolors:Tochangethedocumentinformationinthefooter,press[Alt+F8]andusethe„Nokia_Siemens_Networks_–_Change_Document_Information“macroorclickYoucansetupthecolor/gradientandoutlinestyleofselectedshapeswiththe“Shape_set_color_and_gradient”macro,orbyclicking8©NokiaSiemensNetworks2012ForinternaluseUniquedocumentidentifier(ID)/Versionnumber/Lifecyclestatus第8页TD-LTE的帧结构R255G204B0R255G130B0R127G16B162R163G166B173R104G113B122R234G234B234R170G15B30R0G0B0R255G255B255Supportingcolors:R60G170B0Primarycolors:Tochangethedocumentinformationinthefooter,press[Alt+F8]andusethe„Nokia_Siemens_Networks_–_Change_Document_Information“macroorclick