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1WLANWLAN2AC+APMeshAC+APWLAN3---WLAN4VideoConferencingVideoConferencingDigitalTV/VODDigitalTV/VODVoIPVoIPHigh-SpeedInternet/VPNHigh-SpeedInternet/VPNPDA/EmailPDA/EmailText/InstantMessagingText/InstantMessagingCustomRingTones/MP3PlayerCustomRingTones/MP3PlayerPush-to-Talk/IntercomPush-to-Talk/Intercom5---IEEE802.11-Theoriginal1Mbit/sand2Mbit/s,2.4GHzRFandIRstandard(1999)IEEE802.11a-54Mbit/s,5GHzstandard(1999,shippingproductsin2001)IEEE802.11b-Enhancementsto802.11tosupport5.5and11Mbit/s(1999)IEEE802.11c-Bridgeoperationprocedures;standard(2001)IEEE802.11d-International(country-to-country)roamingextensions(2001)IEEE802.11e-Enhancements:QoS,(2005)IEEE802.11F-Inter-AccessPointProtocol(2003)WithdrawnFebruary2006IEEE802.11g-54Mbit/s,2.4GHzstandard(backwardscompatiblewithb)(2003)IEEE802.11h-SpectrumManaged802.11a(5GHz)forEuropeancompatibility(2004)IEEE802.11i-Enhancedsecurity(2004)IEEE802.11k-RadioresourcemeasurementenhancementsIEEE802.11m-Maintenanceofthestandard;oddsandends.IEEE802.11n-HigherthroughputimprovementsusingMIMODraft2.0IEEE802.11p-WAVE-WirelessAccessfortheVehicularEnvironmentIEEE802.11r-FastroamingWorkingIEEE802.11s-ESSMeshNetworkingIEEE802.11T-WirelessPerformancePrediction(WPP)IEEE802.11u-Interworkingwithnon-802networks(forexample,cellular)IEEE802.11v-WirelessnetworkmanagementIEEE802.11w-ProtectedManagementFrames6WIFI802.11WPA/WPA2WMM/WMMPS/WMMACSSCMESHIETFLWAPP()MACQoS7InfrastructureInfrastructure802.11sWLANWLANAP802.11b802.11a/g802.11n11Mbps54Mbps300Mbps---WLAN8AC+APMeshAC+APWLAN9APAPAPAPAPAPAPAPAP10InternetSGSNGGSNIntegratedManagementSystemIntegratedManagementSystemOperatorPortalOperatorPortalWAPWAPDHCPDHCPDNSDNSWAPGWWAPGWSGSNSGSN11MAC12“Fat”AccessPoints“Thin”AccessPointsWLAN802.11a/b/g/n“AP”13141APL2/L3RFAP802.11iWAPIAPAC152ACACAPACACAPACACAPACAPAP16/AP//APAPAPAPAC17AC+APMeshAC+APWLAN18MESH802.11AdhocadhocmeshMESHmesh5.8G11a2.4G11b/gESSAPAP19202122Mesh23Mesh24AC+APMeshAC+APWLAN25AC+APAPIPACAPIP(DHCP)APAC(DHCPOption43DNS)APACACAPACAPACAPAPACACAPAPACVLANACBRAS26AC+AP---WLANBRASACACACAPACBRASBRASAPWLANBRASACACBRASBRASAPACBRASBRASIPAC+APWLANAC27AC+AP---nACAPnAPDHCPACACnAPACnBSSIDAPVLANVLANnBRASVLANnACBRASAP28AP---ACAC:ACAPAPACDHCPServerAPAPDHCPACACAPACVLANACIPACVLANBRASACLACACVLANACBRASACVLANVLANBRASBRAS29AC+AP---BRAS(DNS)nACBRASnAPACDNSACnAPDHCPBRASAPDNSACACnACBSSIDAPVLANVLANnACBRASnBRASVLANnACBRASAP30AC+AP---BRAS(DNS)ACACBRASDNSACBRAS:BRASDHCPServerIPAP/BRASACLAPACAPDNSACACAPAPACACAPACVLANAPAPVLANBRASACVLANACBRASVLANACBRASAPVLANACVLANVLANBRASBRASBRASACACBRAS31AC+AP-----ACDNSIPMANBRAS2BRAS3BRAS1ACswitchswitchAPswitchswitchAPACVLANVLAN32AC+AP---AC(DNS)ACACACBRAS1DNSACBRAS:BRAS2BRAS3DHCPServerIPAPACLAPDNSAPACACBRAS1DHCPServerIPAPAPACACAPACVLANAPAPVLANBRASACVLANACACBRASVLANACACBRASAPVLANACVLANVLANACBRASBRASBRASACACBRAS33AC1+1N+1+VRRPACAC34AC35AC+AP---AC+APACACBRASACAC+APWLANAC36APAPAPAPAPAPAPAPACAPAP/APACAPAP37AC+APMeshAC+APWLAN3839PHS/3G/WLAN/CDMA40800MHz2500MHz41WLAN42WLAN4344WLAN---45WLAN---4647AC+APMeshAC+APWLAN48WLANAP49LAN501/2Mesh512/2AC+APMesh52
本文标题:WLAN技术及组网方案建议-上海研究院
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