(Chidziwitso cha Mkonzi: Nkhaniyi, ndi chidule cha ZigBee Resource Guide.)
Mtundu wa mpikisano ndi wodabwitsa. Bluetooth, Wi-Fi, ndi Thread zonse zayang'ana kwambiri pa IoT yamphamvu yochepa. Chofunika kwambiri, miyezo iyi yakhala ndi ubwino wowona zomwe zagwira ntchito ndi zomwe sizinagwire ntchito ku ZigBee, kuwonjezera mwayi wawo wopambana ndikuchepetsa nthawi yofunikira kuti apange yankho lothandiza.
Ulusiwu unapangidwa kuyambira pansi kuti ukwaniritse zosowa za IoT zomwe zimafuna zinthu zochepa. Kugwiritsa ntchito mphamvu zochepa, topology ya maukonde, chithandizo cha IP chachilengedwe, komanso chitetezo chabwino ndi zinthu zofunika kwambiri pa muyezowu. Popeza ambiri mwa iwo adapangidwa kuti agwiritse ntchito bwino ZigBee ndikuyikonza. Chinsinsi cha njira ya Thread ndi chithandizo cha IP kuyambira kumapeto mpaka kumapeto ndipo ndicho chifukwa chake ndi nyumba yanzeru, koma palibe chifukwa chokhulupirira kuti idzathera pamenepo ngati ipambana.
Bluetooth ndi Wi-Fi mwina ndizovuta kwambiri kwa ZigBee. Bluetooth inayamba kukonzekera kuthana ndi msika wa IoT zaka zisanu ndi chimodzi zapitazo pamene inawonjezera Bluetooth Low Energy ku mtundu wa 4.0 wa mfundo zazikulu ndipo chaka chino kusintha kwa 5.0 kudzawonjezera kuchuluka kwa ma range ndi liwiro, kuthetsa zofooka zazikulu. Pafupifupi nthawi yomweyo, Blurtooth SIG idzayambitsa miyezo yolumikizirana ndi ma mesh, yomwe idzakhala yogwirizana ndi silicon yopangidwira mtundu wa 4.0 wa spec. Malipoti akusonyeza kuti mtundu woyamba wa Blurtooth mesh udzakhala ntchito zoyendetsedwa ndi madzi monga kuyatsa, msika woyambirira wa Bluetooth Mesh. Mtundu wachiwiri wa muyezo wa ma mesh udzawonjezera kuthekera koyendetsa, kulola ma node a masamba otsika mphamvu kukhalabe ogona pomwe ma node ena (ndikuyembekeza kuti mains-powered) akugwira ntchito yosamalira mauthenga.
Wi-Fi Alliance yachedwa kufika pa phwando la IoT lopanda mphamvu zambiri, koma monga Blurtooth, ili ndi kudziwika kwa mtundu wake komanso malo ofunikira kwambiri kuti ithandize kupititsa patsogolo ntchito yake mwachangu. Wi-Fi Alliance idalengeza Halow, yomangidwa pa muyezo wa sub-Ghz 802.11ah, mu Januwale 2016 ngati njira yawo yolowera mu miyezo ya IoT yodzaza anthu. Holaw ili ndi zovuta zazikulu zoti ithetse. Mafotokozedwe a 802.11ah sanavomerezedwebe ndipo pulogalamu ya satifiketi ya Halow sikuyembekezeka mpaka 2018, kotero ili ndi zaka zambiri kumbuyo kwa miyezo yopikisana. Chofunika kwambiri, kuti igwiritse ntchito mphamvu ya dongosolo la Wi-Fi, Halow ikufunika malo ambiri opezera Wi-Fi omwe amathandizira 802.11ah. Izi zikutanthauza kuti opanga ma gateways a broadband, ma routers opanda zingwe, ndi malo opezera ayenera kuwonjezera gulu latsopano la spectrum kuzinthu zawo, zomwe zimawonjezera mtengo ndi zovuta. Ndipo magulu a sub-Ghz si onse monga gulu la 2.4GHz, kotero opanga adzafunika kumvetsetsa makhalidwe osiyanasiyana a mayiko ambiri pazinthu zawo. Kodi zimenezo zidzachitika? Mwina. Kodi zidzachitika nthawi yake kuti Halow ipambane? Nthawi idzatiuza.
Ena amaona Bluetooth ndi Wi-Fi ngati zinthu zomwe sizikugwirizana pamsika zomwe sakuzimvetsa komanso zomwe alibe zida zokwanira zozithetsera. Imeneyo ndi vuto. Mbiri ya kulumikizana ili ndi mitembo ya miyezo yapamwamba kwambiri yaukadaulo yomwe yakhala ndi tsoka lokhala m'njira ya chimphona cholumikizirana monga Ethernrt, USB, Wi-Fi, kapena Bluetooth. "Mitundu yolowerera" iyi imagwiritsa ntchito mphamvu ya maziko awo kuti ipeze mwayi wopikisana m'misika yolumikizana, kuphatikiza ukadaulo wa otsutsana nawo ndikugwiritsa ntchito chuma chambiri kuti athetse otsutsa. (Monga mlaliki wakale wa FireWire, wolembayo akudziwa bwino za kusinthaku.)
Nthawi yotumizira: Sep-09-2021