长距离点对点(PtP)WiFi无线系统传输方案设计

33Km点对点(PtP)WiFi无线系统传输测试报告V2壹、测试目的测试33Km远距离WiFi无线传输的真实流量与天线调整技术的精进练习,并同时测试1W与50mw传输能力比较。现场测试人员:阿树、阿南。远程调整测试人员:jmj10101。貳、测试地点与测试距离台湾苗栗县通霄镇台湾台中县台中港南端，总距离33.29Km。2008年11月16日參、测试环境台湾苗栗县通霄镇高度:约海拔72公尺台湾台中县台中港南端高度:约海拔70公尺肆、测试硬设备设备名称数量规格说明PC111.CPU:INTELQ6600四核心2.RAM:4G3.OperationS/W:WindowsXPProIP:192.168.1.20VNC远程调测阿树NB111.CPU:INTELP41.82.RAM:1G3.OperationS/W:WindowsXPProIP:192.168.1.33VNC远程调测阿南NB211.CPU:INTELP41.6GHz2.RAM:5123.OperationS/W:WindowsXPProIP:192.168.1.21VNC远程调测阿树NB311.CPU:1.6GHz2.RAM:1GB3.OperationS/W:WinXPHomeVNC远程调测Jmj10101AP1AphelionM500AG(尔飞灵M500AG)11.CPU:533MHz2.SDRAM:32MB3.Flash:8MB4.WiFi:802.11a/b/gRFMiniPCICard*15.OutputPower:50mW=17dBmIP:192.168.1.2AP2AphelionM600AG(尔飞灵M600AG)11.CPU:533MHz2.SDRAM:32MB3.Flash:16MB4.WiFi:802.11a/b/gRFMiniPCICard*25.OutputPower:50mW=17dBmIP:192.168.1.1Antenna21.2.400–2.483GHzGridAntenna2.Gain:24dBi3.H-14°/V-10°4.VSWR:=1.5以水平极化的方式架设RFCable2CFD-400N-TypeWANModem110MbFiberInternet伍、测试软件软件名称数量说明IXChariot5.421.HighPerformanceThroughput2.TCP3.PointtoPointNetworkStumbler21.SiteSurveyWirelessEnvironmentsVNC31.RealtimeMonitoringEachNBs2.RealtimeControl/MonitoringWirelessSystemMSN31.RealtimeonLineTalking2.TransportImages迅雷11.InternetDownloadThroughputTest陸、测试系统无线设备规画--台湾台中县台中港南端—NB1192.168.1.33Device:M500AGSystemMode:BridgeIP:192.168.1.2Interface:RF1OperationMode:AC(Client)ESSID:pczonetestBand:802.11g(only)Channel:13RFOutputPower:50mW=17dBmLimitRate:54MbpsMulticastRate:11MbpsMaxRFDistance:350CommandLine:rateadaption013rateadaption13--台湾苗栗县通霄镇—PC1192.168.1.20Device:M600AGSystemMode:BridgeIP:192.168.1.1Interface:RF1(RF2Disable)OperationMode:APESSID:pczonetestBand:802.11g(only)Channel:13RFOutputPower:50mW=17dBmLimitRate:54MbpsMulticastRate:11MbpsMaxRFDistance:350CommandLine:rateadaption013rateadaption13柒、33Km无线系统透过Ixchariot测试Throughput状况Test1:PC1-APNB1-ACTest1ItemM500AG--ACM600AG-AP测试说明1.LimitRate54Mbps54Mbps1.无线讯号处于-65~-87dBm，不同频道会有不同讯号值，天线对准度仍有90%左右。2.AC端RXLinkRate=11/24/36/48Mbps，表示无线讯号会有飘浮状况。3.反应在Throughput的结果也不理想。2.MaxRFDistance3503503.RXLinkRate11/24/36/48Mbps48-54Mbps4.TXLinkRate48-54Mbps48-54Mbps5.NoiseLevel-80~-97dBm-90~-101dBm6.LinkQuality8-3017-237.SignalLevel(RSSI)-65~-87dBm-72~-78dBmThroughput(Mbps)Average11.936/Minimum9.385/Maximum12.594实际流量需再加上VNC与MSN流量，约13MbpsSummary-untitled1.tstConsoleversion5.40Consolebuildlevel011ConsoleproducttypeIxChariotFilenameuntitled1.tstRunstarttime2008年11月16日,05:31:28Runendtime2008年11月16日,05:41:25Elapsedtime00:09:57HowthetestendedRantocompletionNumberofpairs1RunOptionsEndtypeRunforafixeddurationDuration00:10:00ReportingtypeReal-timeAutomaticallypollendpointsYesPollinginterval(minutes)1StoprunuponinitializationfailureYesConnecttimeoutduringtest(minutes)0Stoptestafterthismanyrunningpairsfail1CollectendpointCPUutilizationNoValidatedatauponreceiptNoUseanewseedforrandomvariablesoneveryrunYesTestSetup(ConsoletoEndpoint1)Group/PairConsoleKnowsEndpoint1ConsoleProtocolConsoleServiceQualityPairCommentAllPairsPair1192.168.1.20TCPn/aTestSetup(Endpoint1toEndpoint2)Group/PairEndpoint1KnowsEndpoint2(Setup)Endpoint2SetupProtocolAllPairsPair1192.168.1.33TCPTestExecution(Endpoint1toEndpoint2)Group/PairEndpoint1Endpoint2NetworkProtocolServiceQualityScript/StreamNameAllPairsPair1192.168.1.20192.168.1.33TCPHigh_Performance_Throughput.scrThroughputGroup/PairAverage(Mbps)Minimum(Mbps)Maximum(Mbps)Throughput95%ConfidenceIntervalMeasuredTime(secs)RelativePrecisionAllPairs11.9369.38512.594Pair111.9379.38512.5940.098596.4860.819Totals:11.9369.38512.594TransactionRateGroup/PairTransactionRateAverageTransactionRateMinimumTransactionRateMaximumTransactionRate95%ConfidenceIntervalMeasuredTime(secs)RelativePrecisionAllPairs0.1490.1170.157Pair10.1490.1170.1570.001596.4860.819Totals:0.1490.1170.157ResponseTimeGroup/PairResponseTimeAverageResponseTimeMinimumResponseTimeMaximumResponseTime95%ConfidenceIntervalMeasuredTime(secs)RelativePrecisionAllPairs6.7026.3528.524Pair16.7026.3528.5240.055596.4860.819Totals:6.7026.3528.524EndpointConfigurationGroup/PairE1OperatingSystemE1VersionE1BuildLevelE1ProductTypeE2OperatingSystemE2VersionE2BuildLevelE2ProductTypeAllPairsPair1WindowsXP(32-bit)5.18149RetailWindowsXP(32-bit)5.18149RetailRawDataTotalsGroup/PairNumberofTimingRecordsTransactionCountBytesSentbyE1BytesReceivedbyE1MeasuredTime(secs)RelativePrecisionAllPairs8989890,000,00089Pair18989890,000,00089596.4860.819Totals:8989890,000,000895.总结测试统计测试记录Average(Mbps)Minimum(Mbps)Maximum(Mbps)SystemThroughputLimitRateMaxRFDistanceACRXLinkRateAP/ACTXLinkRateNoiseLevelAC/APdBmLinkQualityAC/APSignalLeveldBmTestACAP11.9369.38512.5941354Mbps35011/24/36/48Mbps48-54Mbps-80~-97/-90~-1018-30/17-23-65~-87/-72~-78测试总结1.此次测试重点修改为:A.天线由水平架法(垂直极化)改为垂直架法(水平极化):初步判断’确有影响。B.台中港的点(AC)天线高度架高(上次判断有被前方建筑物挡到讯号):初步判断’确有影响。C.调整LimitRtae=54Mbps(不限于在36Mbps):初步判断’影响不明确。2.此次增加1W=1000mW的产品测试比对，测试结果证实，无线射频功率大，并不能在远距离提升流量，无线讯号优化才是重点，既使RFOutputPower:50mW，仍能达到远距离高频宽传输。(PS:上次400mW产品测试，流量约27Kbps)Ps:昨天测试时，传输总流量一度高达15.3Mbps，但持续时间不足于以Chariot测试，若天线再对准3%(RSSI再好2dBm)就可稳定达到15Mbps的流量。测试迅雷Download速度，透过33KmInternet