Video: Puas yog NB IoT yog 4g thev naus laus zis?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
NarrowBand - Internet ntawm Yam ( NB - IoT ) yog cov qauv siv hluav taws xob tsawg tsawg (LPWA) tshuab tsim los pab kom muaj ntau yam tshiab IoT khoom siv thiab kev pabcuam. Kev txhawb nqa los ntawm txhua yam khoom siv mobile loj, chipset thiab module manufacturers, NB - IoT tuaj yeem ua ke nrog 2G, 3G, thiab 4 G mobile networks.
Tsuas yog li ntawd, NB IoT yog dab tsi hauv LTE?
Narrowband Internet ntawm Yam ( NB - IoT ) yog Low Power Wide Area Network (LPWAN) xov tooj cua tus qauv tsim los ntawm 3GPP kom pab tau ntau yam khoom siv ntawm tes thiab kev pabcuam. NB - IoT siv ib tug subset ntawm lub LTE tus qauv, tab sis txwv lub bandwidth rau ib leeg nqaim-band ntawm 200 kHz.
Qhov thib ob, yog NB IoT ib feem ntawm 5g? 3GPP tau pom zoo tias cov NB - IoT thiab LTE -M technologies yuav evolving mus ntxiv li ib feem ntawm 5g ua cov lus qhia tshwj xeeb, txhais tau hais tias cov neeg siv xov tooj ntawm tes tuaj yeem siv LPWA kev nqis peev uas twb muaj lawm niaj hnub no thiab txuas ntxiv mus ib feem ntawm 5g ua evolution. Lub sijhawm ntev ntawm cov thev naus laus zis no tau lees paub.
Hauv qhov no, NB IoT ua haujlwm li cas?
NB - IoT yog ib qho kev siv tshuab uas ua rau muaj ntau yam khoom siv xa cov ntaub ntawv uas tsis muaj cov txheej txheem mobile network. Nws siv cov ntawv tso cai zaus spectrum uas tsis muaj kev cuam tshuam nrog lwm yam khoom siv uas lav tau cov ntaub ntawv hloov pauv ntau dua.
Cat m LTE yog dab tsi?
Tshaj tawm. Lub Ib Hlis 27, 2017. LTE - M yog lub abbreviation rau LTE Cat -M1 lossis Long Term Evolution (4G), qeb M1. Cov thev naus laus zis no yog rau Internet ntawm Yam khoom siv txuas ncaj qha mus rau 4G network, tsis muaj lub rooj vag thiab roj teeb.
Pom zoo:
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