新一代家庭网络技术及发展趋势-电子科技大学

1„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hn„‹‹RF‹Wi-Fi„(HPNA)‹ITU-TG.9954HPNA3.1‹„(MoCA)‹‹„HomePlug‹HomePlugAV‹„HTPC/HTNB/„/„‹SSIDMACWPA/WPA2WPA-PSK/WPA2-PSK„„2DsssCCKOFDMYSEYES8~11MB/s70~95Mbps300Mbps802.11nDsssCCKOFDMYESYES11~13MB/s80~110Mbps240Mbps240MMIMODsssCCKOFDMNOYES4MB/s30~35Mbps125Mbps802.11g+AfterburnerDsssCCKOFDMYES5~6MB/s40~50Mbps108Mbps802.11g+SuperGDsssCCKOFDMNOYES2.5~3MB/s20~25Mbps54Mbps802.11gDsssCCKNONO500~600KB/s4~5Mbps11Mbps802.11b„„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hn3ADSLIP/„HomePNAHomePhonelineNetworkAlliance19983comAMDIBMATT2Wire(CiscoSystems)11100„HomePNA20Hz3.4KHzXDSLADSL25Khz1.1MhzHOMEPNA5.5MHz9.5MHzHOMEPNA„“HomePNA3.0”“G.9954”055ITU„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hn„„(MultimediaoverCoaxAlliance)MoCA20041„CiscoComcastEchoStarEntropicMotorolaToshiba„MoCAEntropic(c-link)MoCA1.0„2006328MoCAMoCAMAC/PHYv1.0„2007MoCAMoCA1.1175Mbps4„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hn„„50„1.02010V2.01Gbps„HomePlugUSB802.11„HomePlugHomePlug14M45M85M224MADSL8Mbps640KbpsFDMPOTS1GCATV750M’5„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hn„„HomeGridAwareDS2PulseLinkIkanosSigmaDesignsWestellGigle7HomeGridCopperGate„DVD„2031GB„G.hn„20134200G.hnCPE„ITUG.hn„G.HnHDTV„G.hnG.hn“”„„„20064(ITU-T)1514(StudyGroup15,WorkingParty1,Question4)G.hn„DSLHPNA„G.hnOFDM„(QoS)„PHY1Gbps„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hn6„ITU0812G.hnG.9960„G.hn(IEEEP1901)„20081212G.hn(PHY)„2009109(physicallayerandarchitecture)MAC„20105(datalinklayer)„AtherosCoppergateInfineonIntelIntellonPanasonicTexasInstruments2010„DS22009G-hnDSS9960„G.hn2010„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hn„‹HDTV„„TIRGWiFiHomePlugMoCA7„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hn41DomainMasterNodeNodeDomain1NodeDomainMasterNodeNodeAliendomainAliendomainAnymediumAnymediumInter-domainbridge(logicalfunction)GlobalMaster(logicalfunction)NodeNodeInter-domainbridge(logicalfunction)Inter-domainbridge(logicalfunction)Domain2DomainSBridgetoaliendomain(notinscope)Bridgetoaliendomain(notinscope)NodeNodeDomainMasterNode8NodeCNodeANodeBInter-domainbridgeDomainmasternodeDDomainoperatingincentralizedmodeDomainoperatinginpeer-to-peermodeDomain1Domain2DomainSInter-domainbridgefunctionMasternodeofomain1FunctionofglobalmasterM-interfaceMasternodeofdomain2MasternodeofdomainS„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hnPHYSICALLAYERDATALINKLAYERNETWORKLAYER.....OSIreferencemodelPMDPMAPCSMACLLCα-referencepointδ-referencepointMDIPMITransmissionmediumAPC-ApplicationprotocolconvergenceLLC-LogicalLinkControlPCS-Physicalcodingsub-layerPMA-physicalmediumattachmentPMD-physicalmediumdependentPMI–physicalmedium-independentinterfaceMDI-medium-dependentinterfaceAPCA-interfacex1-referencepointx2-referencepoint9MACPMD(pass-band/base-band)mediumPCSPMAPMIDLLManagementAPCLLCAMDIDataPrimitivesMPDUTx/RxframesPHYManagementControlPrimitivesPMIPhysicalcoding(PCS)(generationofPHY-frame,mappingMACframesintothePHY-frame)Physicalmediaattachment(PMA)(scrambling,FEC,segmentationtoOFDMsymbols,padding)Physicalmediumdependent(PMD)(tonemapping,constellationencoding,OFDMmodulation,preambleinsertion,carriersensegeneration)MDIMediumTXsymbolframesTXPHYframeRXsymbolframesPMDcontroldataMPDUinMPDUoutPHYmanagementRXPHYframePCScontroldataα-referencepointδ-referencepointPMAcontroldataPMIMUX(TDM)TXPHYframeMPDUinMPDUoutPHYmanagementRXPHYframePCScontroldataα-referencepointHeadergenerationMPDUmapperPCScontroldataMPDUde-mapperHeaderprocessing„1PCSphysicalcodingsub-layer„2PMAphysicalmediumattachmentFEC„3PMDphysicalmediumdependentOFDMQC-LDPCLDPC1/22/35/6,16/1820/21Belief-PropagationAlthogrithmOFDM53NOTE–BitsthatarereservedbyITU-Tshallbesettozerobythetransmitterandignoredbythereceiver.CommonpartHeaderchecksequence7:019-20HCSVariablepartFrame-typespecificfield7:04-18FTSFReservedbyITU-T(NOTE)7:33ReservedDurationindicationidentifieswhetherFTSFstartswithaDURH-bitdurationfield23DRIPostheaderindicationidentifieswhetherthefirstpayloadsymbolaftertheheaderisaPRBSsymboloradatasymbol13PHIMulticastindicationidentifieswhethertheDIDisaunicastormulticastdestination03MITheDEVICE_ID,MULTICAST_IDorBROADCAST_IDofthedestinationnode(s)7:02DIDTheDEVICE_IDofthesourcenode7:01SIDDomainID7:40DODCommonpartFrametype3:00FTDescriptionBitsOctetField10ReservedbyITU-T1000:1111ReservedACKretransmissionrequestframe0111ACKRQProbeframe0110PROBERepeatedMAPframe0101RMAPCTScontrolframe0100CTSRTScontrolframe0011RTSACKcontrolframe0010ACKDataandmanagementframe0001MSGMAPframe0000MAPDescriptionValue(b3b2b1b0)TypeFECCodewordNFECbitsSEC0SEC1SECS-1Bbitsq-bitsfilling...b011„‹‹HPNA‹MoCA‹HomePlug„HomeGridG.hn‹G.hn‹G.hn„G.hn‹‹G.hn¾¾‹G.hnPHYSICALLAYERDATALINKLAYERNETWORKLAYER.....OSIreferencemodelPMDPMAPCSMACLLCα-referencepointδ-referencepointMDIPMITransmissionmediumAPC-ApplicationprotocolconvergenceLLC-LogicalLinkControlPCS-Physicalcodingsub-layerPMA-physicalmediumattachmentPMD-physicalmediumdependent