GPRS Qos參數(shù)對(duì)PDP激活和傳輸速率的影響的報(bào)告

關(guān)于GPRSQos參數(shù)對(duì)PDP激活和傳輸速率的影響的測(cè)試報(bào)告測(cè)試目的檢驗(yàn)HLR中的五項(xiàng)GPRSQos參數(shù)取值對(duì)PDP激活和傳輸速率的影響測(cè)試環(huán)境Aircard上網(wǎng)卡和GX100雙?？?；FTPSever：；測(cè)試文件大小：100K關(guān)于GPRSQos參數(shù)的各項(xiàng)取值的含義Qos參數(shù)一共五項(xiàng)：delayclass:GSM02.60definesfourdelayclasses(1to4).Thenetworkoperatorshouldprovisionadequatetransmissionresourcesontheradioandnetworkcommunicationchannelsinordertosupporttheexpectednumberofsubscriberswithineachcellatagivendelayclass.APLMNmaysupportonlyasubsetofthedelayclasses.Asaminimum,thePLMNshallsupportthebesteffortdelayclass(4).reliabilityclass:Thereliabilityclassspecifiestherequirementsofthevariousnetworkprotocollayers.ReliabilityClassGTPModeLLCFrameModeLLCDataProtectionRLCBlockModeTrafficType1AcknowledgedAcknowledgedProtectedAcknowledgedNonreal-timetraffic,errorsensitiveapplicationthatcannotcopewithdataloss.2UnacknowledgedAcknowledgedProtectedAcknowledgedNonreal-timetraffic,errorsensitiveapplicationthatcancopewithinfrequentdataloss.3UnacknowledgedUnacknowledgedProtectedAcknowledgedNonreal-timetraffic,errorsensitiveapplicationthatcancopewithdataloss,GMIWSM,andSMS.4UnacknowledgedUnacknowledgedProtectedUnacknowledgedReal-timetraffic,errorsensitiveapplicationthatcancopewithdataloss.5UnacknowledgedUnacknowledgedUnprotectedUnacknowledgedReal-timetraffic,errornon-ssnsitiveapplicationthatcancopewithdataloss.NOTE:Forreal-timwt餌ffic,th&QoSprofile!alsorsquir^sappropriate!settingsford@ayandthroughputpeakthroughputclass:ThepeakthroughputismeasuredattheGiandRreferencepointsinunitsofoctetspersecond.ItspecifiesthemaximumrateatwhichdataisexpectedtobetransferredacrossthenetworkforanindividualPDPcontext.Thereisnoguaranteethatthispeakratecanbeachievedorsustainedforanytimeperiod,thisdependsupontheMScapabilityandavailableradioresources.Thenetworkmaylimitthesubscribertothenegotiatedpeakdatarate,evenifadditionaltransmissioncapacityisavailable.Thepeakthroughputisindependentofthedelayclass,thatdeterminestheper-packetGPRSnetworktransitdelay.PeakThroughputClassPeakThroughputinoctetspersecondUpt。1Q00PeakThroughputClassUpto2Q00(16kbit/s).Upto4Q00(32知姑)一Upt。8Q00(64kbit/s'Upto1600。(128kbit/s\Upto3200。(256kbit/s\Upt。64000(512kbit/s"Upto1280Q0(1024kbiUs),Upto256000(2048kbit/s).meanthroughputclass:ThemeanthroughputismeasuredattheGiandRreferencepointsinunitsofoctetsperhour.ItspecifiestheaveragerateatwhichdataisexpectedtobetransferredacrosstheGPRSnetworkduringtheremaininglifetimeofanactivatedPDPcontext.Thenetworkmaylimitthesubscribertothenegotiatedmeandatarate(e.g.,forflat-ratecharging),evenifadditionaltransmissioncapacityisavailable.A"besteffort"meanthroughputclassmaybenegotiated,andmeansthatthroughputshallbemadeavailabletotheMSonaperneedandavailabilitybasis.

precedenceclass:Theserviceprecedenceindicatestherelativeimportanceofmaintainingtheservicecommitmentsunderabnormalconditions,forexamplewhichpacketsarediscardedintheeventofproblemssuchaslimitedresourcesornetworkcongestion.PrecedencePrecedenceNameHiQhurioritYNormalpriorityLowpriorityInterpretationServicecommitmentsshallbemaintainedaheadofprecedenceclasses2and3,Servicecommitnnpntsshallbeiraintain^daheadofclass3一ServicecommitmentsshallbemaintainedafterprecedencePrecedencePrecedenceNameHiQhurioritYNormalpriorityLowpriorityprecedenceclass”對(duì)傳輸速率的影響precedencedown-rate(KB/s)up-rate(KB/s)12.493.3021.862.9631.991.50

)s/BKTetar「3.30―I2.962.49，||—1_86『.99)s/BKTetar「3.30―I2.962.49，||—1_86『.991.50precedence〃對(duì)傳輸速率的影響□down-rate(KB/s)up-rate(KB/s)12precedenceclass3?“delayclass”對(duì)傳輸速率的影響)SZBKTetarL0-)SZBKTetarL0-0-"delay〃對(duì)傳輸速率的影響delayclassdelaydown-rate(KB/s)up-rate(KB/s)12.573.0722.382.9732.232.8842.493.30從上圖可以看出，delayclass對(duì)傳輸速率的影響不大；當(dāng)delayclass=1或4時(shí)，可以獲得一個(gè)比較高的傳輸速率。?“reliabilityclass”對(duì)傳輸速率的影響

reliabilitydown-rate(KB/s)up-rate(KB/s)11.711.9521.752.0232.493.3041.342.8751.052.74從上圖中可以看出，reliabilityclass對(duì)傳輸速率的影響比較明顯；當(dāng)reliabilityclass=3時(shí)，傳輸速率可以獲得最大的速率。OOOOOOOO50505050從上圖中可以看出，reliabilityclass對(duì)傳輸速率的影響比較明顯；當(dāng)reliabilityclass=3時(shí)，傳輸速率可以獲得最大的速率。OOOOOOOO50505050LL■SZBKTetarpeakthroughputdown-rate(KB/s)up-rate(KB/s)10.791.7020.981.7531.222.2142.353.4352.133.3562.333.2772.353.2982.423.2292.493.30

)s/BKTetarpeakthroughput)s/BKTetarpeakthroughput"peakthroughput"對(duì)傳輸速率的影響OOOOOOOOO0505050502LL從上圖中看出，peakthroughout對(duì)傳輸速率的影響也比較明顯；當(dāng)peakthroughput=9時(shí)，傳輸速率可以獲得比較快的速率?！癿eanthroughputclaS?射傳輸速率的影響peakthroughputdown-rate(KB/s)up-rate(KB/s)12.293.04

22.233.1232.223.0842.313.1252.333.1162.353.1472.163.1082.493.1792.453.12102.373.11112.323.13122.333.14132.273.21142.343.15152.373.17162.273.11172.273.19182.173.12192.293.24202.313.23212.373.27222.343.18232.373.19242.283.20252.383.25262.243.25272.293.24282.253.23292.293.27302.373.28312.493.30)s2BKXetarmeanthroughput)s2BKXetarmeanthroughput"對(duì)傳輸速率的影響1471013161922252831meanthroughput□down-rate(KB/s)口up-rate(KB/s)3.503.002.502