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274Vol．27No．420158JournalofChongqingUniversityofPostsandTelecommunicationsNaturalScienceEditionAug．2015DOI10．3979/j．issn．1673-825X．2015．04．0035G2015-06-282015-07-08zhaogf@cqupt．edu．cn(61402065);‘’(BY2013095-2-03，BY2013095-5-07)FoundationItems:TheNationalNaturalScienceFoundationofChina(61402065);The‘FutureNetworkProspectiveＲesearchPro-ject’ofFutureNetworkInnovationInstituteinJiangsuProvince(BY2013095-2-03，BY2013095-5-07)，，，400065，，(fifthgenerationmo-bilecommunicationnetwork，5G)。，5G，5G。5G，5G、5G;，5G10，:、、D2D(device-to-device)、M2M(machine-to-machine)、、、、、/、。，5G。5G。5G;;;TN929．5A1673-825X(2015)04-0441-12Prospectivenetworktechniquesfor5GmobilecommunicationAsurveyZHAOGuofengCHENJingHANYuanbingXUChuanFutureNetworksＲesearchCenterChongqingUniversityofPostsandTelecommunicationsChongqing400065P．Ｒ．ChinaAbstractInordertosolvetheexplosivegrowthofmobiledatatrafficmassiveterminalsnewemergingbusinessesandva-rietiesofnovelservicesscenariosthefifthgenerationmobilecommunicationnetwork5Gisproposedandbecomingahottopicinacademicalandindustrialfield．Nowmanycountriesorcommunitieshavecompletedthefirststepof5Gdevelop-mentwhichclarifiedtheusers’requirementsandfuturevisionof5G．Thereforewhenfacingthe5Grequirementsinto2020combinetheexistingandpotentialnewtechnologiestoimplementthe5Gnetworkisnowputontable．Inthispaperwefirstintroducetheconceptof5Gandsomeusecasesanduser-drivenrequirements．Thenwemainlyfocusontenpro-spectivekeytechniquesofwirelessnetworkingandtheyinvolveultra-densenetworkingUDNself-organizingnetworkingSONsoftware-definedwirelessnetworkingSDWNcontentdistributionnetworkCDNinformation-centricnetwor-kingICNdevice-to-deviceD2Dcommunicationmachine-to-machineM2Mcommunicationmobilecloudcompu-tingsoftware-definednetworking/networkfunctionvirtualizationandcontext-awarenetworkingCND．Wepresentthefundamentalconceptorthoughtforeachtechniqueandshowtheresearchtopicswhenitistobeappliedto5G．Finallywebrieflydiscussthefutureproblemstowards5G．Keywords5Gwirelessnetworkkeytechniquesdevelopment040、、。2012METISmobileandwirelesscommunicationsenablesforthe2020informationsociety15G。METIS5G-PPP5G5GSurrey5G5G2-5。2013“GIGAKorea”5GIMT-20205G5G6。5G。15G5G2020。5G、、1010010Gbit/sms101001000510500km/h7-9。5G8。1．15G3G4G“”。2020、、、、5G、9。、、、5G“”、。1．25G5G。2020、、、5G“”。5G、、。、5G、。“”。5G。25G5G5G。5G、105G。2．15G、、、。2020。5G5G100010-12。5G。1010m1km22500013-15。1∶116-17。。5G。5G。·244·2718-20。5G。QoS5G21-222324。25。。2627-28。。2．28。5G、。self-organizingnetworkSON5G29-34。2①②31。、。32UEeNBeNB。、。、。、3。、、SONeNB2。SON。SON、、。SON。2．35G、、31。。、。contentdistributi-onnetworkCDN5G35-37。。CDN、CDN。CDN136serverCDNserver、QoSqualityofserv-ice。DNSCDN。。、、、、37。5G·344·45G。CDN。CDN5G。1CDNFig．1CDNnetworkarchitecture2．4D2D5G、5G。de-vice-to-devicecommunicationD2D、、、38-43。D2D5G。D2D。D2D、、、、、41。D2D43。D2D。5GD2D8。2D2D。1、2D2D6、7D2DD2D。D2DD2D。2D2DFig．2D2Dcommunicationsystem5GD2D。D2DD2D。D2DD2D。D2D。2．5M2MM2MmachinetomachineM2M、、、。3GPPM2MM2M。FOＲＲESTEＲ20203044。IDC2020500M2M。M2M。M2M5G。M2M2。M2M、、、M2M。、M2M·444·27“”45。M2MM2M46ALO-HACSMA。47M2M48M2M49、50IBP+MMBP/Geo/1/KH2HM2M。M2M、M2M。M2M。M2M。M2M5GM2M。2．6、TCP/IP。。information-centricnetworkICN1979Nelson51Baccala52。CCN、DONANDNICN。ICNIP。ICN、、。ICN、。TCP/IPICNIP。、、、。ICN3。。。。。IP“”。ICN“”。。ICN。53。IPICN、。ICNCCNDONANetInfINSTＲIAD。3Fig．3Information-centricnetworkICNIP、。IPICNIP。5GICNIPICN。·544·45G2．7、54。5G500。5G。IT。、、、55-60。4。SaaS。PaaS、。PaaSSaaS。IaaS。4Fig．4Mobilecloudcomputingplatformarchitecture。、。。。60。5G。。2．8SDN/NFV+、、、、。SDNsoftware-definednetworking/NFVnetworkfunctionvirtualization、、61-70。5GSDN/NFV5G。SDN、。5ONFSDN61。3、API71。SDN。API。。SDN。5GSDN。·644·275SDNFig．5SDNarchitectureNFVnetworkfunctionvirtualizeETSI67ITVNF72-73。ETSINFV673。6NFVFig．6NFVarchitectureNFVIT、。、。SDNNFVNFVSDN。5GSDN/NFV、73-76。2．9。LTE、Wimax、UMTS、WLAN。77。78。SDN。SDN。3778。、、、。、、。APIAPI。。。Open-Ｒoad79-80Odin81OpenＲadio82OpenＲF83。。5G。2．105G·744·45G、。5G、、。7Fig．7SoftwaredefinedwirelessnetworkingarchitecturecontextawarenessubiquitouscomputingSchilit19948485、、、。、PDA、、、、86。、、“”87-89。5G“”9。35G、。5G5G。5G、5G。5G6GHz。。5G。5G。［1］METIS．Mobileandwirelesscommunicationsenablersforthe2020informationsociety［EB/OL］．［2015-04-30］．．metis2020．com．［2］BOCCAＲDIF，HEATHＲW，LOZANOA，etal．FiveDisruptiveTechnologyDirectionsfor5G［J］．IEEECom-municationsMagazine，2014，52(2):74-80．［3］YUANYifei，ZHAOXiaowu．5G:Vision，ScenariosandEnablingTechnologies［J］．ZTECommunications，2015，13(1):69-79．［4］，，．．5G［J］．，2015，(3):64-68．ZHAODaiwei，WANGZhengye，ZHOUYu，etal．5GTerminalBusinessDevelopmentTrendandTechnicalChallenge［J］．TelecommunicationsNetworkTechnology，2015，(3):64-68．［5］，，．5G［C］//2013．:，2013:14-16．LILupeng，XIONGShangkun，WANGQingyang．5Gtechnologyprospect［C］//2013AnnualNationalAcadem-icConferenceofWirelessandmobilecommunications．QingdaoShandongChina:ChinaAcademicJournalElec-tronicPublishingHouse，2013:14-16．［6］，．［J］．，2014，(8):255-256．ＲENYonggang，ZHANGLiang．Prospectofthefifthgen-erationmobilecommunicationsystem［J］．Information＆communications，2014，(8):255-256．［7］，，．5G［J］．，2014，20(2):2-4，25．WANGZhiqing，LUOZhendong，WEIKejun．5Gservicerequirementsandprogressontechnicalstandards［J］．·844·27ZTECommuni