《工業(yè)互聯(lián)網(wǎng)基礎(chǔ)（雙語）》課件-8.遠(yuǎn)距離無線通信技術(shù)

遠(yuǎn)距離無線通信技術(shù)工業(yè)互聯(lián)網(wǎng)基礎(chǔ)（雙語）Long-distanceWirelessCommunicationTechnology遠(yuǎn)距離無線通信技術(shù)long-distancewirelesscommunicationtechnology遠(yuǎn)距離無線通信技術(shù)，是指通信雙方通過無線電波傳輸數(shù)據(jù)，并且傳輸距離較遠(yuǎn)，用于克服通信雙方空間距離，及物理位置不宜鋪設(shè)線路的情況。Long-distancewirelesscommunicationtechnologyreferstothesituationwherethetwopartiesincommunicationtransmitdatathroughradiowaveandthetransmissiondistanceisrelativelylong.Itisusedtodealwiththespatialdistancebetweenthetwopartiesandthephysicallocationisnotsuitableforlayinglines.目前，在工業(yè)場(chǎng)景中應(yīng)用較為廣泛的遠(yuǎn)距離無線通信技術(shù)主要有：GPRS技術(shù)、NB-IoT技術(shù)、5G技術(shù)等。Atpresent,thewidelyusedlong-distancewirelesscommunicationtechnologiesinindustrialscenariosmainlyincludeGPRStechnology,NBIoTtechnology,5Gtechnology,etc.GPRSGPRS，又稱通用分組無線業(yè)務(wù)。是2G向3G的過渡的技術(shù)，基于GSM系統(tǒng)上發(fā)展的承載業(yè)務(wù)，為GSM用戶提供分組形式的數(shù)據(jù)業(yè)務(wù)。GPRS,alsoknownasGeneralPacketRadioService.Itisatransitiontechnologyfrom2Gto3G,basedonthebearerservicedevelopedontheGSMsystem,anditprovidesGSMuserswithpacketdataservices.NB-IoTNB-IoT，又稱窄帶物聯(lián)網(wǎng)。是一種低功耗、遠(yuǎn)距離無線通信技術(shù)，由電信運(yùn)營(yíng)商提供付費(fèi)頻段服務(wù)，其具備的覆蓋范圍廣、大容量連接能力、低功耗、模塊成本低特點(diǎn)，使其在物聯(lián)網(wǎng)市場(chǎng)得到廣泛的使用。NB-IoT,alsoknownasNarrowbandInternetofThings.Itisalow-powerconsumption,long-distancewirelesscommunicationtechnologythatisprovidedbytelecomoperatorswithpaidfrequencybandservices.Itswidecoverage,large-capacityconnectioncapability,lowpowerconsumption,andlowmodulecostmakeitwidelyusedintheInternetofThingsmarket.5G5G，又稱第五代移動(dòng)通信技術(shù)。是最新一代蜂窩移動(dòng)通信技術(shù)。性能目標(biāo)：高數(shù)據(jù)速率、減少延遲、節(jié)省能源、降低成本、提高系統(tǒng)容量和大規(guī)模設(shè)備連接。5G,alsoknownasthefifth-generationmobilecommunicationtechnology.Itisthelatestgenerationofcellularmobilecommunicationtechnology.5Gperformancegoalsincludehighdatarates,reduceddelay,energysavings,costreduction,increasedsystemcapacity,andlarge-scaledeviceconnections.5G的uRLLC場(chǎng)景與工業(yè)互聯(lián)網(wǎng)有著非常高的契合度。The5GuRLLCs