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1、T-mobile Austria Huawei Workshop,October 19th 2007,Vienna,AustriaLTE/SAE Technology&Huawei Product Roadmap,Dr.Jingming LI SALINA,Wireless MarketingHUAWEI TECHNOLOGIES CO.,LTD.HUAWEI TECHNOLOGIES CO.,LTD.,Page 1,Y,r,OutlinePart I:LTE/SAE Technology-Maturity-Spectrum-Deployment-Unique value for operat
2、orsPart II:Huawei LTE/SAE Product Developement Plan&Roadmap-Infrastructure-TerminalPart III:LTE/SAE Trial PossibilitiesPart IV:Alternative Technologies,-HSPA+,ea,-mobile WiMAXConclusions,HUAWEI TECHNOLOGIES CO.,LTD.,Page 2,Part I:,LTE/SAE Technology,HUAWEI TECHNOLOGIES CO.,LTD.,Page 3,LTE/SAE Techno
3、logy Maturity LTE(Long Term Evolution),an 3GPP concept,defines a long-term evolution for radioaccess technology.SAE(System Architecture Evolution),an 3GPP concept,defines a long-term evolution forcore network.LTE and SAE have been approached independently,however by enhancing eachother,they are no m
4、ore separable today.Mass deploymentCommercial,Initail studycompleted,Standard aimedto be finalizedStandard aimedto be developed,Trial start,deployment start,2006,2007,2008,2009,2010,2015,Year,Source:3GPP&UMTS-Forum,HUAWEI TECHNOLOGIES CO.,LTD.,Page 4,r,LTE/SAE Technology New Air Interface(2-1)eNodeB
5、System BandwidthSub-carriersSub-frame,E-Packet Core,Time,FrequencyTime frequencyresource for User 1Time frequencyresource for User 2Time frequency,resource for User 3System BandwidthSingle CarrierSub-frameFrequency,DL:OFDMAImproved spectrum efficiency,capacity etc.,Time,Time frequencyresource for Us
6、er 1Time frequencyresource for User 2Time frequency,Yea,UL:SC FDMATechnically similar to OFDMA but better suited for UE for the battery consumption.,resource for User 3,HUAWEI TECHNOLOGIES CO.,LTD.,Page 5,SpatialTimeCoding,SpatialTimeCoding,Source,E-Packet Core,LTE/SAE Technology New Air Interface(2
7、-2)MIMO at both eNode B and UEIncreased user throughout,cell capacity,cell coverage DL MIMODL SU-MIMO 2x2(Spatial multiplexing)DL SU-MIMO 4x2(Spatial multiplexing,Transmitter diversity)DL SU-MIMO 4x4(Spatial multiplexing)UL MIMO,UL MU-MIMO 1x2(Receiver diversity)UL MU-MIMO 1x4(Receiver Diversity)UL
8、SU-MIMO 2x2(Spatial multiplexing),Transmit,1N,C1(K),r1(K),1M,Receive,S(k),S(k),Ye,Carbon nanotube antennas(1%wave velocity of free space,1000antennas in the same area as standard antenna of today),Cj(K),rj(K),ar,HUAWEI TECHNOLOGIES CO.,LTD.,Page 6,MIMO Technology BriefingIn a multi-path radio enviro
9、nmentNT Tx element&NR Rx element,not or almost not correlatedSource:mimoOn,12-15 Benefits,30 dB isolation 45 polar antenna12-15,-NT Tx elements transmit the same data stream-Transmitter/Receiver Diversity-Reliability,Tx,Rx,-NT Tx element transmit different data stream(NR NT)-Spatial Multiplexing-Hig
10、h throughput(need CSI),TxHUAWEI TECHNOLOGIES CO.,LTD.,Rx,Page 7,Beam-forming Technology Briefing(2-1)In a simple radio environment with detectable directions of desired signal and interference.Antenna Array-distance between elements is 0.5-1.,-(NT-1)interference suppression.Switched beam-forming,0.5
11、-1,-switching among predefined beams.Adaptive beam-forming-adapting radiation pattern according to desired signal and interference.,User 1,User 2,interference,desired signal,interference,desired signal,interference,interferenceUser 1User 2,Switched beam-forming,Adaptive beam-forming,Source:ArrayComm
12、HUAWEI TECHNOLOGIES CO.,LTD.,Page 8,Source:ArrayComm,Beam-forming Technology Briefing(2-2)Benefits-Increased antenna gain of NT-Coverage extension-Suppression of(NT-1)interferences-System capacity increaseSource:ArrayCommNeed CSI(Channel State Information),HUAWEI TECHNOLOGIES CO.,LTD.,Page 9,SU MIMO
13、&MU MIMOSU-MIMORXRXTXRXMU-MIMO-using SDMA(Space Division Multiple Access)RX,HUAWEI TECHNOLOGIES CO.,LTD.,TX,Page 10,RXRX,(5-1),S5,e,a,r,LTE/SAE Technology New Architecture(domains,Nodes,Interfaces)HSS,GERAN,GbIu,SGSN,GPRS Core,S6a,PCRF,UTRAN,E-Packet Core,S3,S4,S7,Rx+,Wx*,Evolved Packet Core,eNB,S1-
14、MMEEvolved UTRAN S1-U,MMES10,S11(SAE)ServingSAE GW,PDNSAE GWS2b,SGiS6c,Operators IPServices(e.g.IMS,PSS etc.),S2a,ePDGWn*,Wm*,3GPP AAAServer,Y,Trustednon-3GPP IP AccessHUAWEI TECHNOLOGIES CO.,LTD.,Un-trustednon-3GPP IP AccessPage 11,(5-2),.,LTE/SAE Technology New Architecture(domains,Nodes,Interface
15、s)By the end of June 2008,eNBInter Cell RRMConnectionMobility Cont.RB ControlRadio Admission ControleNB MeasurementConfiguration&ProvisionDynamic ResourceAllocation(Scheduler),aGW Control Plane,Fully verified Partially verified,SAE Bearer ControlRRCMM EntityRLC,MACPHYE-UTRANHUAWEI TECHNOLOGIES CO.,L
16、TD.,aGW User PlanePDCPEPC,Page 12,Internet,LTE/SAE Technology New Architecture(5-3)(domains,Nodes,Interfaces),Node NameeNode BMMEServing SAE GWPDN SAE GW,Functionality-RRM(Radio Bearer Control,Radio Admission Control,Connection Mobility Control,Dynamic allocation of resources to UEsin both uplink an
17、d downlink(scheduling).-IP header compression and encryption of user data stream.-Selection of an MME at UE attachment.-Distribution of paging messages to the eNBs.-Security control.-Idle state mobility control.-SAE bearer control.-Ciphering and integrity protection of NAS signalling.-Local Mobility
18、 Anchor point for inter-eNodeB handover-Mobility Anchoring for inter-3GPP mobility(terminating S4 and replying the traffic between 2G/3G system and PDN GW)-eUTRAN idle mode DL packet buffering and initiation of network triggered service request procedure.-Lawful Interception-Packet routing and forwa
19、rding-Policy enforcement-Per-user based packet filtering(by e.g.deep packet inspection)-Charging support-Lawful Interception-UE IP address allocation-Packet screening,HUAWEI TECHNOLOGIES CO.,LTD.,Page 13,(5-4),LTE/SAE Technology New Architecture(domains,Nodes,Interfaces)S1-MME Reference point for th
20、e control plane protocol between EUTRAN and MME.S1-U Reference point between EUTRAN and Serving GW for the per bearer user plane tunnelling and intereNodeB path switching during handover.S2a Provides the U-plane with related control and mobility support between trusted non 3GPP IP access andthe SAE
21、Gateway.S2b Provides the U-plane with related control and mobility support between ePDG and the SAE Gateway.S3 Enables user and bearer information exchange for inter 3GPP access network mobility in idle and/oractive state.It is based on Gn reference point as defined between SGSNs.S4 Provides the U-p
22、lane with related control and mobility support between GPRS Core and the 3GPPAnchor function of Serving GW and is based on Gn reference point as defined between SGSN and GGSN.S5 Provides U-plane tunnelling and tunnel management between Serving GW and PDN GW.It is used forServing GW relocation due to
23、 UE mobility and if the Serving GW needs to connect to a non-collocated PDNGW for the required PDN connectivity.,HUAWEI TECHNOLOGIES CO.,LTD.,Page 14,(5-5),LTE/SAE Technology New Architecture(domains,Nodes,Interfaces)S6a Enables transfer of subscription and authentication data for authenticating/aut
24、horizing user access to theevolved system(AAA interface)between MME and HSS.S7 Provides transfer of(QoS)policy and charging rules from PCRF to Policy and Charging EnforcementFunction(PCEF)in the PDN GW.The interface is based on the Gx interface.S8a Enables transfer of subscription and authentication
25、 data for authenticating/authorizing user access to theevolved system(AAA interface)between MME and HSS.S10 Reference point between MMEs for MME relocation and MME to MME information transfer.S11 Reference point between MME and Serving GW.SGi Reference point between the PDN GW and the packet data ne
26、twork.Packet data network may be anoperator external public or private packet data network or an intra operator packet data network,e.g.forprovision of IMS services.This reference point corresponds to Gi for 3GPP accesses.Rx+Reference point resides between the AF and the PCRF in the 3GPP TS 23.203.I
27、t is FFS if there will beany significant functional modifications to current Rx reference point to warrant defining it to be Rx+.,HUAWEI TECHNOLOGIES CO.,LTD.,Page 15,LTE Terminal Challenges&RequirementsTypes:-Data card,Handheld,Embedded laptop,Thin client-Fixed terminal equipementChallenges:-Power
28、consumption-Terminal size-Terminal cost Tramendouse requirementsRequirements:-Support very high throughput:a)for data card:100 Mbps DL/50 Mbps ULb)for handset:20 Mbps DL/10 Mbps UL-Support MIMO.-Support multi-bands.-Support multi-access technologies:a)LTE,Mobile TV,WCDMA,GPRS,GSM,etc.b)WiMAX,WLAN,Bl
29、uetooth,GPS,etc.-Support inteworking with short range radios e.g.UWB.-Support open OS platform e.g.Linux,Window CE,etc.-Open application platform supporting different application framework and middelwarecomponents e.g.virtual reality,envrionement perception,media on 3rd party,etc.,HUAWEI TECHNOLOGIE
30、S CO.,LTD.,Page 16,LTE Spectrum Issues,HUAWEI TECHNOLOGIES CO.,LTD.,Page 17,LTE Potential Spectrum-3GPP specified UMTS spectrum,Band I/2.1GHz,1920-19802110-2170,2x60MHz,1850-1910,Band II/1900MHz,1930-1990,2x60MHz,Band III/IX/1800MHz,1710-17851805-1880,1749.9-1784.91844.9-1879.9,III:2x75MHzIX:2x35MHz
31、,Band IV/X/1700MHz,1710-17552110-2155,1710-17702110-2170,2x45MHz,Band V/VI/850MHz,824-849/830-840869-894/875-885,V:2x25MHzVI:2x10MHz,Band VII/2.6GHzBand VIII/900MHz,880-915925-960,2500-25702620-2690,2x70MHz2x35MHz,HUAWEI TECHNOLOGIES CO.,LTD.,Page 18,Y,a,LTE Potential Spectrum Other bands UMTS TDD b
32、ands at 2.1 GHz,1900-1920E-Packet Core2010-2025,1x20MHz1x15MHz,Op.IP UMTS TDD extended band at 2.6 GHz(IMS,2570-2620 Digital dividend“Broadcasting Band470 862 MHzHUAWEI TECHNOLOGIES CO.,LTD.,Page 19,1x50MHz,PSS,etc),er,-,E-Packet Core,IP,NGMN Spectrum AvailabilityGSM/UMTS frequency refarming-New UMT
33、S spectrum,Frequency band2.6 GHz,WiMAX 2600LTE 2600,-ITU WRC07 new policy&assigment-Country and Operator specific,2.1 GHz UMTS 21001800MHz GSM 1800,LTE 1800,LTE 2100Op.,900 MHz GSM 900470-862 MHz,UMTS 900,LTE 900LTE 400-800,(IMS,PSS,etc),2007,2010,2015,2025,Year,UMTS 900 launchWiMAX launch,LTE launc
34、hHUAWEI TECHNOLOGIES CO.,LTD.,GSM phase out,UMTS phase outPage 20,450 470,410-430,Sharing with DVB,470 on a,ITU WRC07 Issues IEEE802.16e as the 6th air interface of IMT-2000,called“IP-OFDMA”.UMTS extension bands(FDD 2x70 MHz,TDD 1x50 MHz)Candidate bands for IMT-2000 and IMT-advanced,targeted at:-1 G
35、Hz new spectrum 5 GHz should be identified for IMT(IMT-2000&IMT-advanced)for 2015 2020.Sharing with CDMA450-100 MHz harmonized sub-band from 470 862 MHz should be made available for IMT.-Candidate bands should be allocated to mobile service 806 primary basis(470-862 MHz,2.7-2.9 GHz,3.4 4.2 GHz and 4
36、.4 4.9 GHz)E-Packe CoreOp.,2.3 2.4,IP2.7 2.9Sharing with Radar,(IMS,PSS,etc)3.4 4.2,sharing with RadarHUAWEI TECHNOLOGIES CO.,LTD.,Page 21,4.4 4.99,Year,LTE/SAE Deployment Scenarios,HUAWEI TECHNOLOGIES CO.,LTD.,Page 22,2,1,3,LTE Stepwise Deployment Scenarios,FemtoPico,IndoorHome coverage for:-Home n
37、etworking.-LTE enabled services for user or machine athome.1-Voice(better speech quality,high capacity,lowcost).Office coverage for:-Office networking.-LTE enabled services for user or machine athome.1,High Dense&Dense Urban,Sub-Urban&Rural,-Voice(better speech quality,high capacity,lowcost).Hot zon
38、e coverage for:-Ubiquitous mobile broadband access.,Micro,-High density voice call.-LTE enabled services for user or machine insidevehicles.-Other legacy services(better user experience,highcapacity,low cost).Hot area coverage for:,2,Railway&Highway coverage for:,Macro,HUAWEI TECHNOLOGIES CO.,LTD.,-
39、Ubiquitous mobile broadband access.-High density voice call.-LTE enabled services for user or machine insidevehicles.-Other legacy services(better user experience,highcapacity,low cost).,-Backhaul of Vehicle LAN.-LTE enabled services for user or machine insidevehicles.Replace legacy mobile systems f
40、or:-Voice(better speech quality,high capacity,low cost).-Other legacy services(better user experience,highcapacity,low cost).Page 23,LTE Stepwise Deployment Description(3-1)Step 1-To start the LTE deployment along the railway,the highway or the river,where demand:a)high bandwidth and high perfomance
41、 mobile backhaul system for the Gateway of Vehicle LAN.b)LTE enabled services for users within Vehicle.-To start the LTE deployment at indoor home environment,where demand:a)wireless home networking.b)LTE enabled services.c)better quality,low cost voice.d)low cost,broadband access.-To start the LTE
42、deployment at indoor office environment,where demand:a)wireless office networking.b)LTE enabled services.c)better quality,high capacity,low cost voice.d)low cost,broadband access.,HUAWEI TECHNOLOGIES CO.,LTD.,Page 24,LTE Stepwise Deployment Description(3-2)Step 2-To continue the LTE deployment at Ho
43、t zone,where demand:a)Ubiquitous mobile broadband access.b)High density voice call.c)LTE enabled services for user or machine inside vehicles or outdoor.d)Other legacy services(better user experience,high capacity,low cost).e)-To continue the LTE deployment at Hot area,where demand:a)Ubiquitous mobi
44、le broadband access.b)High density voice call.c)LTE enabled services for user or machine inside vehicles or outdoor.d)Other legacy services(better user experience,high capacity,low cost).e),HUAWEI TECHNOLOGIES CO.,LTD.,Page 25,LTE Stepwise Deployment Description(3-3)Step 3-To substitute the legacy m
45、bile system in sub-urban and Rural area for:a)Voice(better speech quality,high capacity,low cost).b)Other legacy services(better user experience,high capacity,low cost).c)Low cost broadband access everywhere.d),HUAWEI TECHNOLOGIES CO.,LTD.,Page 26,SAE Deployment Scenarios To deploy SAE at the same t
46、ime as LTE-to handle the LTE traffic.-to handle the increased UTRAN and GERAN traffic(interworking and supporting inter-RAT mobility from day 1).-to handle the traffic from non-3GPP radio access e.g.WLAN,WiMAX,etc.if youoperate or plan to operate such access networks.To develop SAE capacity contineo
47、usely until the total substitution of the PS coreof GSM/UMTS.,HUAWEI TECHNOLOGIES CO.,LTD.,Page 27,LTE Related Technologies-SDR(Software Defined Radio)-SON(Self-Organizing Networks),HUAWEI TECHNOLOGIES CO.,LTD.,Page 28,Y,e,a,r,Related Technologies SDR(Software Defined Radio)SDR means the SW re-confi
48、gurability for the radio access technology,frequencyband,modulation type,output power etc.according to:-radio environment-terminal capability-frequency resource availability-requested service or application-capacity demand pattern-.A SDR enabled BTS is a single box capable of-multiple-radio-access-t
49、echnologies e.g.GSM,UMTS,LTE,WiMAX,IMT-Advanced,etc.-multiple-bands e.g.900 MHz,1800 MHz,2 GHz,2.5 GHz,3.5 GHz,etc.A SDR enabled BTS can be classified into:-simultaneously or non-simultaneously work for multi-radio-access-technologies and multi-bands.-pre-reconfigurable or real time self-reconfigura
50、ble,HUAWEI TECHNOLOGIES CO.,LTD.,Page 29,SDR Standardization AcitivtiesITUIEEEETSI,OMG,Y,3GPP,ea,OMA,r,IETF,HUAWEI TECHNOLOGIES CO.,LTD.,Page 30,Y,e,a,r,Related Technologies SON(Self-Organizing Networks)Self-organizing functionality is mandatory for LTE/SAE from beginning.Self-organizeing networks a
