Qhov tseem ceebyam los txiav txim siab thaum xaiv cov hom wirelessRAU COV KHOOM NQA GAST:
Kev nrug deb: deb npaum li cas lub teb ntaus los ntawm lub rooj vag / tau txais point?
Kev siv hluav taws xob xav tau: Puas yog lub roj teeb roj teeb uas siv hluav taws xob-ua haujlwm lossis AC-Powered? Cia siab tias xav tau roj teeb lub neej?
Cov ntaub ntawv tus nqi thiab zaus: Yuav tsum tau txais cov ntaub ntawv ntau npaum li cas? Yuav ua li cas feem ntau xa?
Kev ntsuas hluav taws xob wireless rau cov transmitters (xws li kev ntsuas roj, kev ntsuas roj, kev ntsuas cov nuj nqis hauv tsev, kev ntsuas kom haum lossis txo cov nqi teeb tsa.
Cov hauv qab no yog ntau yam khoom siv wireless sib kis tau:
1. Tus Tswv Qhia Txog Wireless Wireless Raws Li Isms (Sub} Ghz, {{} mhz, 915mHz):
Lub hauv paus ntsiab lus: Ua haujlwm hauv kev lag luam pub dawb, kev tshawb fawb thiab kho mob} Kev tsim kho cov qauv tsim khoom rau taw tes lossis lub hnub qub sib txuas lus {}}
Nta:
Muaj zog nkag: piv nrog 2 {. 4Ghz, tsawg zaus ntawm phab ntsa thiab cov nyom cov hlau, thiab yog qhov tsim nyog dua rau cov chaw muaj kev lag luam nyuaj.
Ntev kis nrug: mus txog rau ntau pua ntawm meters lossis txawm tias kilometers nyob rau hauv qhib qhov chaw .
Cov Hluav Taws Xob Tsis Muaj Zog: Tsim nyog rau roj teeb-powered transmitters .
Tsis tshua muaj kev cuam tshuam tsawg dua: piv nrog cov neeg coob coob 2.} 4.
Daim ntawv thov: Siv dav rau luv luv-ntau cov wireless sib txuas ntawm ntau qhov chaw tsim khoom siv hluav taws xob, xws li lub Hoobkas lag luam sensor
2. lora / lorawan:
Lub hauv paus ntsiab lus: Lora yog txheej txheej ntawm lub cev nrog ultra-ntev kev ua raws li cov khoom siv hauv lub cev, uas yog siv los tswj kev sib txuas lus ntawm cov khoom siv thiab network servers {}}
Nta:
Ultra-ntev nrug: Mus txog {{1} ki} mais nyob rau hauv cov kab kev pom, thiab mus txog {} mais nyob rau hauv nroog ib puag ncig.
Siv hluav taws xob ultra tsawg: haum rau cov roj teeb hluav taws xob muab, nrog lub neej ntawm ob peb xyoos lossis ntau tshaj li kaum xyoo.
Lub peev xwm loj: Lub rooj vag lorawan tuaj yeem txuas txhiab tus ntawm nod ntawm nod .
Cov ntaub ntawv nruab nrab thiab cov ntaub ntawv qis: Haum rau kev xa cov ntaub ntawv me me (xws li cov ntaub ntawv kub thiab siab thiab siab nyeem / transmitters .
Cov ntawv thov: Cov nroog ntse (txoj kev teeb pom kev zoo los yog cov khoom lag luam zoo nkauj), cov chaw nres tsheb, cov chaw taws teeb ci ntsa iab .
3. nb-iot / LTE-M:
Cov hauv paus ntsiab lus: cellular network ua haujlwm raws li cov khoom siv hluav taws xob (xws li kev thauj mus los hauv lub tsheb), tsuas yog 4G tuaj yeem xaiv {{}}
Nta:
Kev Tshawb Nrhiav Feem: Qhia ncaj qha rau cov network ntawm cov network uas twb muaj lawm nrog kev tiv thaiv dav dav dav heev {}}
Tob nkag: Cov paib muaj zog nyob hauv lub peev xwm, haum rau ib puag ncig xws li hauv paus thiab cov chaw sib sib sib zog nqus {}}
Tsawg zog noj: Txhawb hluav taws xob txuag hom xws li PSM thiab Edrx, thiab muaj lub roj teeb ntev li Lora) .
Siab ntseeg tau & kev ruaj ntseg: Cov tsheb thauj khoom-qib network nrog kev ruaj ntseg zoo.
Tus nqi: Tus nqi module yog qhov siab dua (tab sis txuas ntxiv yuav tsum tau them nyiaj thiab cov neeg teb xov tooj / tus neeg teb xov tooj cov tsheb) {}}}}
Cov ntaub ntawv nruab nrab thiab cov ntaub ntawv tsawg: zoo ib yam li cov ntaub ntawv me me kis kis tau .
Cov Kev Siv: Cov xwm txheej uas yuav tsum muaj kev pab them rau thaj tsam dav, lossis cov khoom siv sib txuas (xws li cov khoom siv sib txuas hauv chaw taws teeb
4. zigbee / xov:
Lub hauv paus ntsiab lus: ib qho luv luv, muaj zog, kev sib koom tes tus kheej mesh cov qauv zoo ib yam li tab sis raws li IP} qauv pawg {}}
Nta:
Tsawg Zog Siv Hluav Taws Xob: Tsim nyog rau roj teeb hwj huam .
Kev Koom Tes Rau Yus Tus Kheej Network / High Reliability: Mesh txojkev yuav tsim tau ntawm cov khoom siv, nrog kev rov qab ua haujlwm, thiab txhim kho network strong.
Nruab nrab ntawm muaj peev xwm: lub network tuaj yeem txhawb nqa ntau pua ntawm nodes .
Luv luv luv: Ib Leeg-Hop Kev Sib Kis yog feem ntau tsis pub dhau10-100 meters rau mesh relay expansion.
Ua haujlwm nyob rau hauv lub 2 {. 4GHz zaus band: raug cuam tshuam los ntawm Wi-nkaus, Bluetooth thiab lwm yam kev nkag mus rau tib zaus.
Daim ntawv thov: Ntau haum rau sab hauv tsev, hauv zos, xws li cov chaw sib koom tes zoo (xws li Ethernet, WI-nkaus, 4G) {5} {5}
5. Bluetooth / Ble:
Lub hauv paus ntsiab lus: luv luv-ntau qhov kev sib txuas lus siv tshuab hluav taws xob, thiab ble yog tsim rau tsis tshua muaj hluav taws xob tsis tshua muaj hluav taws kub.
Nta:
Tsis tshua muaj hluav taws xob tsis tshua muaj hluav taws xob (BLE): haum rau micro-roj teeb-powered sensors.
Cov koob npe nrov: sib xyaw ua ke nyob rau hauv lub xov tooj ntawm tes thiab ntsiav tshuaj, yooj yim rau debug thiab nyeem cov ntaub ntawv ntawm {}}
Luv luv luv: Cov khoom lag luam yog li ntawm 10 metres (nthuav dav, tab sis kev siv fais fab thiab tus nqi nce ntxiv) {1}.
Ua haujlwm nyob rau hauv lub 2 .} 4GHz zaus Band: raug rau kev cuam tshuam rau kev cuam tshuam thiab kev nkag tau.
Daim Ntawv Thov: Feem ntau yog siv rau kev teeb tsa ze, cov ntaub ntawv nyeem, tab sis feem ntau siv los ua ib qho kev sib txuas hauv zos {}}
6. wi-nkaus:
Lub hauv paus ntsiab lus: Kev ceev ceev wireless wireless wireless wireless siv tshuab raws li IEEE 802 {}}} 11 series ntawm cov qauv.
Nta:
Cov ntaub ntawv siab: Haum rau cov transmitters uas yuav tsum tau xa cov ntaub ntawv ntau lossis video) .
Cov koob meej: infrastructure yog ubiquitous .
Kev siv hluav taws xob siab: feem ntau tsis haum rau cov transmitters powered los ntawm cov roj teeb rau lub sijhawm ntev .
Ua haujlwm hauv 2 {. 4Ghz / 5GHz zaus Band: 2.4GHz yog kev cuam tshuam rau kev cuam tshuam, thiab 5GHz muaj qhov tsis muaj zog.
Tsawg kis nrug deb: Nyob ntawm AP kev pab them nqi APK .
Daim Ntawv Thov: Feem ntau siv nyob rau hauv lub zog sab hauv tsev uas muaj kev pab cuam Wi-nkaus (xws li muaj cov twj paj nruag uas tseem muaj qhov uas twb muaj lawm, kom muaj kev xaiv cov chaw taws teeb tseem ceeb rau cov chaw taws teeb uas tau muaj rau cov chaw taws teeb.
Ib puag ncig cov txheej txheem: Puas muaj phab ntsa hlau, phab ntsa tuab, thiab lwm yam muaj zog hluav taws xob cuam tshuam rau ntawm lub xaib? Nyob sab hauv tsev lossis sab nraum zoov?
Network Topology: taw tes-rau-taw tes? Lub hnub qub? Mesh? Yuav tsum muaj pes tsawg daim nodes?
Kev Pab Them: Puas yog nws cov kev pab them hauv cheebtsam hauv zos, thaj tsam dav, lossis sib sib zog nqus?
Tus nqi: Tus nqi kho vajtse (wireless module), tus nqi wireless), tus nqi tsheb), ua haujlwm raug nqi (SIM daim npav)?
Yuav Tsum Muaj Kev Ruaj Ntseg: Cov ntaub ntawv sib kis tau tias yuav tsum muaj theem siab ntawm encryption?
Cov Cuab Yeej Muaj Hauv: Puas muaj qee yam network (xws li cellular network, wi-nkaus) rau ntawm qhov chaw uas tuaj yeem siv?
Kev Tso Cai thiab Cov Cai: Siv cov zaus ntawm zaus ua raws cov cai tswjfwm hauv zos?
Ntsiab lus:
Rau kev deb-deb, tsawg zog, roj teeb-powered muaj cov ntaub ntawv xa tawm, Lora / Lorawan thiab NETE-MSE cov neeg teb xov xwm yuav tsum muaj, thiab cov neeg teb xov tooj puas tsim nyog, thiab cov neeg teb xov tooj siv tau, thiab cov neeg teb xov xwm tau txais, thiab them tus neeg teb xov xwm kev pab cuam
Cov khoom lag luam sab hauv qab -1 GHz muaj kev cai tseem dav siv nyob rau hauv cov xwm txheej tshwj xeeb thiab yog paub tab thiab ruaj khov.
ZigBee / xov yog haum rau sab hauv tsev lossis cov xwm txheej hauv zos nrog cov khoom siv ntom, ib txwm muaj, thiab mesh tes hauj lwm, thiab mesh |.
BLE yog tsuas yog siv rau kev teeb tsa debugging los yog luv-deb-txuas rau rooj vag / lub xov tooj ntawm tes.
Wi-nkaus feem ntau yog siv rau kev sib txuas nrawm nrawm hauv ib cheeb tsam nrog lub zog thiab cov kev pab them nqi network.
Thaum xaiv, nco ntsoov ua kev tshuaj xyuas kom zoo rau ntawm daim ntawv thov kev thov tshwj xeeb thiab xav tau .
Cov Kev Pab Them Network thiab Xa Khoom Siv Hluav Taws Xobnruab nrab ntawm 4g thiab wi-nkaus:
4G:
Kev them dav dav: Cia siab rau ntawm lub network network (4G LTE)
Cov khoom siv yooj yim: Cov cuab yeej muaj cov qauv ua haujlwm thiab ib qho khoom siv hluav taws xob, cov khoom siv txawb chaw uas tsis muaj kev npaj WiFi tes hauj lwm}}}
Muaj zog muaj peev xwm: Cov cuab yeej tuaj yeem siv rau ntawm kev txav (xws li ntsia rau ntawm lub tsheb rau kev tshuaj xyuas) .
WiFi:
Cov kev pab them nqi hauv zos: cia siab rau tus neeg siv tus kheej Wireless Lan, feem ntau cuam tshuam los ntawm phab ntsa, feem ntau yog cuam tshuam rau ntau pua phab ntsa, thiab cuam tshuam).
Kev vam khom rau hauv lub zos network: ruaj khov thiab txhim khu kev qha wifi network infrastrasing (ssi}} lub network yuav tsum tau teeb tsa .
Qhov chaw nyob: Cov cuab yeej feem ntau yog siv rau ntawm qhov chaw nyob hauv qhov kev pab them nqi wifi .
Network kev ntseeg tau thiab kev ruaj khovnruab nrab ntawm 4g thiab wi-nkaus:
4g: Kev tso siab rau cov pej xeem cellular {{kev sib txuas lus, thaum lub network sib txuas, lossis tsis ruaj khov hauv cov phiaj xwm kev sib txawv ntau ntawm cov neeg ua haujlwm sib txawv heev ntawm cov neeg ua haujlwm network.}}
WiFi: tso siab rau cov neeg siv hauv zos tsim los ntawm tus neeg siv {{} Kev muaj kev cuam tshuam nrog lub zog hauv zos .}}} kev xa khoom muaj wifi kev lag luam tuaj yeem yog heev Kev ruaj khov .