ADHOC网络学习报告.ppt

IntroductionofFiber WirelessAccessNetwork 1 2 3 Contents SimulationbasedonOPNET Introduction Mainresearchhotpoints Introduction Introduction 1 Introduction Fig 1Typesofopticalaccessnetwork 1 Introduction Fig 2IllustrationofthePONarchitecture 1 Introduction Fig 3Typesofwirelessaccessnetwork 1 Introduction Fig 4BasicarchitectureofFiWiaccessnetwork 1 2 3 Contents SimulationbasedonOPNET Introduction Mainresearchhotpoints Introduction Introduction 2 Mainresearchhotpoints DeploymentRoutingalgorithmEnergysavingmechanismSurvivability RoutingalgorithmTheywereallevolvedfromAODV AdhocOn DemandDistanceVectorRouting andDSR DynamicSourceRouting MinimumHopRoutingAlgorithm MHRA ShortestPathRoutingAlgorithms SPRA PredictiveThroughputRoutingAlgorithm PTRA Delay AwareRoutingAlgorithm DARA CapacityandDelayAwareRouting CaDAR Risk and DelayAwareRouting RADAR 2 Mainresearchhotpoints EnergysavingmechanismTheaccessnetworkconsumes70 energyofallnetwork ONUsconsume60 80 energyofPON ThetypicaltechnologyisONUsleep modeandenergy awareroutingalgorithm 2 Mainresearchhotpoints SurvivabilityNetworkprotectionmechanismcanbedividedintolinkprotectionandpathprotection inaddition thereisasegmentprotectionbetweenthesetwokindsofprotectionmechanism Accordingtothearrangeoffaultinfluence therearethreetypesofnetworkfault OLTclass ONUclassandwirelessrouterclass 2 Mainresearchhotpoints Fig 5DomiansaffectedbydifferentlevelsoffailuresinFiWiaccessnetwork 2 Mainresearchhotpoints 2 Mainresearchhotpoints Fig 6Illustrationoffeederfiberprotectionapproach 2 Mainresearchhotpoints Fig 7Illustrationoffullprotectionapproach 2 Mainresearchhotpoints Fig 8IllustrationofPONprotectionapproachbasedonwirelessrerouting 2 Mainresearchhotpoints Fig 9SegmentProtectionalgorithmwithLocalConnectionAvailability SPLCA Sharingschemefortheallocationofworkingwirelesslinkcapacity 2 Mainresearchhotpoints Fig 10PathProtectionalgorithmwithGlobalConnectionAvailability PPGCA Sharingschemefortheallocationofworkingwirelesslinkcapacityinpathprotection 2 Mainresearchhotpoints Fig 11Comparisonofoccupiedbandwidthcapacityintheback endPONbetweenSPLCAandLBSPalgorithmswithdifferentONUnumber Fig 12Comparisonofoccupiedbandwidthcapacityinthefront endWMNbetweenSPLCAandLBSPalgorithmswithdifferenttrafficnumber 1 2 3 Contents SimulationbasedonOPNET Introduction Mainresearchhotpoints Introduction Introduction 3 SimulationbaseonOPNET Nodemodeandprocessmode 3 SimulationbaseonOPNET Wirelessmeshnetwork LR PON Ring and spurtopology 3 Simulationb