IntroductionofFiber-WirelessAccessNetwork123ContentsSimulationbasedonOPNETIntroductionMainresearchhotpointsIntroductionIntroduction1.IntroductionOAN(opticalaccessnetwork)PON(passiveopticalnetwork)AON(activeopticalnetwork)TDM-PONWDM-PONTDM/WDM-PONAPONEPONGPONAPONEPONGPONAPONEPONFig.1Typesofopticalaccessnetwork1.IntroductionFig.2IllustrationofthePONarchitecture1.IntroductionWAN(Wirelessaccessnetwork)3G、4GBluetoothzigbeewifiwimaxBluetoothZigbeeWifiWimaxFig.3Typesofwirelessaccessnetwork1.IntroductionFig.4BasicarchitectureofFiWiaccessnetwork123ContentsSimulationbasedonOPNETIntroductionMainresearchhotpointsIntroductionIntroduction2.MainresearchhotpointsDeploymentRoutingalgorithmEnergysavingmechanismSurvivabilityRoutingalgorithmTheywereallevolvedfromAODV（AdhocOn-DemandDistanceVectorRouting）andDSR（DynamicSourceRouting）（MinimumHopRoutingAlgorithm，MHRA）（ShortestPathRoutingAlgorithms，SPRA）（PredictiveThroughputRoutingAlgorithm，PTRA）（Delay-AwareRoutingAlgorithm，DARA）（CapacityandDelayAwareRouting，CaDAR）（Risk-and-DelayAwareRouting，RADAR）2.MainresearchhotpointsEnergysavingmechanismTheaccessnetworkconsumes70%energyofallnetwork;ONUsconsume60%-80%energyofPON.ThetypicaltechnologyisONUsleep-modeandenergy-awareroutingalgorithm.2.MainresearchhotpointsSurvivabilityNetworkprotectionmechanismcanbedividedintolinkprotectionandpathprotection,inaddition,thereisasegmentprotectionbetweenthesetwokindsofprotectionmechanism.Accordingtothearrangeoffaultinfluence,therearethreetypesofnetworkfault:OLTclass,ONUclassandwirelessrouterclass.2.MainresearchhotpointsFig.5DomiansaffectedbydifferentlevelsoffailuresinFiWiaccessnetwork2.Mainresearchhotpoints2.MainresearchhotpointsFig.6Illustrationoffeederfiberprotectionapproach2.MainresearchhotpointsFig.7Illustrationoffullprotectionapproach2.MainresearchhotpointsFig.8IllustrationofPONprotectionapproachbasedonwirelessrerouting2.MainresearchhotpointsFig.9SegmentProtectionalgorithmwithLocalConnectionAvailability,SPLCA(Sharingschemefortheallocationofworkingwirelesslinkcapacity)2.MainresearchhotpointsFig.10PathProtectionalgorithmwithGlobalConnectionAvailability,PPGCA(Sharingschemefortheallocationofworkingwirelesslinkcapacityinpathprotection)2.MainresearchhotpointsFig.11Comparisonofoccupiedbandwidthcapacityintheback-endPONbetweenSPLCAandLBSPalgorithmswithdifferentONUnumberFig.12Comparisonofoccupiedbandwidthcapacityinthefront-endWMNbetweenSPLCAandLBSPalgorithmswithdifferenttrafficnumber123ContentsSimulationbasedonOPNETIntroductionMainresearchhotpointsIntroductionIntroduction3.SimulationbaseonOPNETNodemodeandprocessmode3.SimulationbaseonOPNETWirelessmeshnetworkLR-PON(Ring-and-spurtopology)3.SimulationbaseonOPNETAMANET(mobilead-hocnetwork)projectinOPNETReference[1]李冰.可生存FiWi接入网中连接可用性保护算法设计与仿真实现[D].东北大学，2014.Thanksforyourattention!
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