Txoj hauj lwm tau dhau los ua ib qho cuab yeej tseem ceeb hauv peb lub neej niaj hnub. GNSS, Beidou, GPS lossis Beidou / GPS + 5G / WiFi fusion satellite positioning thev naus laus zis tau txais kev txhawb nqa sab nraud. Nrog
qhov kev thov nce rau sab hauv tsevdaim ntawv thovscenarios, peb pom tias satellite positioning technology tsis yog qhov kev daws teeb meem zoo rau cov xwm txheej zoo li no.
Qhov chaw sab hauv tsev vim qhov sib txawv ntawm cov xwm txheej ntawm daim ntawv thov, qhov yuav tsum tau ua thiab cov xwm txheej tiag tiag, nws yog qhov nyuaj rau kev muab cov kev pabcuam nrog cov txheej txheem sib xws.
cov qauv, uas pab txhawb rau sab hauv tsevpositioning technology daws nyob rau hauv xyoo tas los no ntau thiab ntau nplua nuj. Xws li WiFi qhov chaw, Bluetooth iBeacon positioning,
geomagnetic positioning, UWB positioning, thiabBluetooth AOA positioning industrdaim ntawv thovcov kev daws teeb meem tshwm sim nyob rau hauv qhov kawg kwj.
Tam sim no, nyob rau hauv kev lag luam sab hauv tsev "ib puas lub tsev kawm ntawv ntawm kev xav sib cav, ib puas paj tawg", thiab qhov tseeb ntawm qhov xwm txheej tau nce siab dua thiab
siab dua, WiFi positioning technology nyob rau hauv lubKev lag luam hauv tsev thiab nws qhov chaw loj hlob?
Qhov chaw sab hauv tsev tsis tuaj yeem tsis muaj WiFi
Piv nrog UWB thiab Bluetooth AOA qhov chaw siv thev naus laus zis uas nrov hauv ob xyoos dhau los, WiFi qhov tseeb qhov tseeb tsuas yog nyob rau theem ntsuas, tab sis nws zoo dua.
kis tau tus mob nyob deb thiab tsis tshua muaj nqi. WiFiTxoj haujlwm txoj haujlwm yog qhov tsim nyog rau daim ntawv thov nyob rau hauv qhov chaw ua yeeb yam, xws li cov khw muag khoom thiab cov khw muag khoom.
Yog li ntawd, WiFi technology kuj plays ib qho tseem ceeblub luag haujlwm hauv kev txhim kho ntawm qhov chaw nyob sab hauv tsev.
WiFi qhov chaw, raws li nws lub npe qhia, yog qhov chaw siv tshuab raws li WiFi teeb liab. Nws yog muab faib los ntawm txoj kev tau txais qhov chaw teeb liab, thiab muaj passive positioning nyob rau sab ntawm
WiFi network thiab active positioning ntawm lubsab ntawm WiFi davhlau ya nyob twg.
Passive positioning ntawm WiFi network.Nws yog raws li lub wireless LAN lossis lub siab tshaj plaws WiFi sojntsuam network hauv qhov chaw. Los ntawm uniformly txais WiFi teeb liab ntawm tus neeg rau zaub mov sab thiab txheeb xyuas thiab xam lawv, qhovqhov chaw ntawm cov ntse terminals nyob rau hauv lub site yuav xam tau (cov ntse terminals yuav tsum tau nyob rau hauv tsis tas yuav tsum tau rau nruab ib tug tshwj xeeb cov kev pab cuam los yog yuav tsum tau txuas mus rau ib tug tshwj xeeb network). WiFi network sab positioning tuaj yeempaub txog txoj hauj lwm kev xaav ntawm cov khoom siv wireless hauv lub xaib, thiab suav cov kev txav ntawm cov neeg coob coob, cov neeg coob coob thiab lub hom phiaj txav mus. Nyob rau hauv ib qho chaw zoo tagnrho, qhov nruab nrab qhov chaw raug ntawmzhongke Jin taw tes hauv kev coj ua lag luam yog li 5 meters.
Qhov chaw nquag ntawm WiFi davhlau ya nyob twg.Feem ntau, txoj kev tso chaw yog sawv cev los ntawm WiFi qhov chaw ntiv tes. WiFi qhov chaw tus ntiv tes lees paub algorithm yog WiFi qhov chaw algorithm uas tso siab rau lub teeb liabCov yam ntxwv xa los ntawm AP nyob ib ncig ntawm lub davhlau ya nyob twg los nrhiav, thiab ua rau siv RSSI teeb liab siv cov ntaub ntawv sib xws rau thaj chaw thaj chaw ntawm qhov chaw tiag tiag los ua qhov kev sib piv thiabkev txheeb xyuas. Nyob rau theem pib ntawm txoj kev loj hlob ntawm qhov chaw nyob sab hauv tsev, WiFi davhlau ya nyob twg sab active positioning tau dav siv nyob rau hauv lub real-time navigation qhov chaw muab kev pab cuam ntawm khw malls thiab chaw nres tsheb. Nyob rau hauv ib qho zoo tagnrhoib puag ncig, qhov tseeb qhov nruab nrab ntawm qhov chaw ua haujlwm raws li WiFi hauv kev coj ua lag luam yog li 3 meters.
WiFi txheeb ze positioning.Ntxiv rau qhov saum toj no ob txoj hauv kev WiFi qhov chaw, muaj lwm qhov chaw txheeb ze thev naus laus zis uas tsis paub zoo rau pej xeem. Piv nrog rau cov lus hais saum toj no ob qhov chaw WiFi, WiFiQhov chaw txheeb ze tuaj yeem raug cais tawm ntawm daim ntawv qhia kom paub txog qhov kev txiav txim nyob deb thiab txawm tias azimuth lees paub ntawm ob lub davhlau ya nyob twg nrog kev pab ntawm pej xeem WiFi teeb liab nyob rau tib qhov chaw. Hauv kev ua lag luam ntawmZhongkejin Point Company, qhov tseeb ntawm qhov chaw ntawm ob lub davhlau ya nyob twg tuaj yeem pom tau tias yog 5 meters los ntawm qhov kev txiav txim deb ntawm daim ntawv thov daim ntawv qhia.
Lub subdivided WiFi positioning scheme raws li qhov tshwm sim tsis tau tsuas yog xyuas kom meej nws tus kheej zoo, tab sis kuj zoo dua optimize lub positioning raug thiab ua tiav qhov siab tshaj plaws daim ntawv thov nqi ntawm sab hauv + WiFi.
"Kev khawb kub" WiFi Qhov Chaw Technology
Txawm hais tias qhov passive tso rau sab ntawm WiFi network yog txwv los ntawm kev tiv thaiv kev tiv thaiv ntawm lub xov tooj ntawm tes ntiag tug nyob rau theem tom ntej, qhov kev daws teeb meem zoo tshaj plaws tseem yog qhov chaw nyob ntawm sab ntawm WiFi network rau thermal xaav ntawm cov neeg caij tsheb khiav hauv qee cov pej xeem. qhov chaw.
Kev lag luam tus nqi ntawm WiFi kev sib txuas lus nyob rau hauv qhov tseeb hais tias lub sijhawm tiag tiag ntawm lub xeev faib ntawm cov neeg coob coob tuaj yeem tau txais yam tsis muaj kev nkag siab ntawm cov neeg coob coob raws li cov wireless LAN infrastructure uas twb muaj lawm yam tsis muaj khoom siv ntxiv. Nws tuaj yeem siv rau kev hais kom muaj xwm txheej ceev hauv cov chaw pej xeem hauv tsev loj xws li tshav dav hlau, chaw nres tsheb thiab chaw ua kis las.
Kev ua haujlwm nyob rau sab ntawm WiFi davhlau ya nyob twg tseem raug rau kev tiv thaiv tus kheej ntawm cov xov tooj ntawm tes. Ntau daim ntawv thov kev qhia hauv tsev hauv lub sijhawm tiag tiag tig mus rau bluetooth iBeacon thev naus laus zis txoj hauv kev, tab sis hauv qee qhov xwm txheej tshwj xeeb, qhov chaw nyob hauv WiFi tseem muaj nws qhov tshwj xeeb zoo. Piv txwv li, cov tsev kawm ntawv lossis cov zej zog muaj cov yam ntxwv zoo dua ntawm WiFi ntiv tes dua li cov khw muag khoom yav dhau los vim muaj coob tus wireless aps lossis cov routers hauv tsev faib rau hauv cov xwm txheej no. Raws li cov WiFi ntiv tes ntiv tes no, nws tuaj yeem ua ke nrog qee qhov kev soj ntsuam kev lag luam kev lag luam los ntawm APP tom qab tso rau hom, thiab tseem tuaj yeem ua ke nrog Cat.1 patrol lub npe tag launched los ntawm Zhongkejin taw tes kom ua tiav ultra-tsawg nqi tu, kev ruaj ntseg. real-time qhov chaw tuaj koom thiab kev tswj xyuas. Piv nrog rau cov cuab yeej cuab tam loj loj ntawm UWB lossis Bluetooth AOA, WiFi qhov chaw siv tshuab nrog 4G Internet ntawm Yam los ntawm cov tswv lag luam muaj txiaj ntsig zoo dua.
Qhov txheeb ze ntawm qhov chaw ntawm WiFi, uas tsis paub rau pej xeem, tuaj yeem siv los ua cov khoom siv ntxiv rau cov khoom pov thawj uas twb muaj lawm, thiab daws qhov teeb meem uas qhov chaw ntawm cov khoom pov thawj uas twb muaj lawm tsis paub txog hauv qhov chaw sab hauv thiab nrhiav tsis tau. Piv txwv li, cov cuab yeej tiv thaiv tsiaj ua ke nrog WiFi qhov chaw txheeb ze tuaj yeem paub qhov laj kab hluav taws xob teeb tsa ntawm tus tsiaj hauv tsev los ntawm preset "electronic sentry". Txawm hais tias tus tsiaj nkag mus rau hauv chav, nws tuaj yeem yooj yim paub qhov tseeb qhov chaw nyob thiab pom nws.
Cov xwm txheej ntawm peb qhov subdivided WiFi positioning thev naus laus zis kom ua tiav cov txiaj ntsig kev lag luam yog nyob rau hauv txoj kab nrog lawv tus kheej qhov sib txawv, thiab daim ntawv thov scenarios yog subdivided thiab customized kom ua tiav daim ntawv thov tus nqi siab dua ntawm cov tswv yim. WiFi positioning feem ntau yog siv rau cov neeg ua haujlwm tsis txaus ntseeg qhov chaw, yog li nyob rau hauv ib puag ncig tam sim no, WiFi network sab kev tso npe nyob feem ntau ntawm daim ntawv thov feem.
WiFi Positioning tuaj yeem xav tau yav tom ntej
Raws li Kev Lag Luam & Kev Lag Luam, lub ntiaj teb sab hauv qhov chaw Kev Lag Luam yuav loj hlob mus txog $ 40.99 nphom hauv 2022 thiab tuav ib qho kev loj hlob ntawm 42%. Qhov chaw sab hauv tau maj mam hloov zuj zus los ntawm TO B / rau G rau C, tab sis kev lag luam tsav tsheb thiab tsoomfwv tseem yog ob qho tseem ceeb heev.
Raws li cov ntaub ntawv qhia los ntawm Kev Tshawb Fawb Ntiaj Teb Kev Lag Luam, Lub Ntiaj Teb WiFi nti Kev Lag Luam yuav ncav cuag ntau dua $ 20 nphom hauv xyoo 2021 thiab yuav ncav cuag $ 22 nphom hauv 2025. WiFi nti yuav yog cov lag luam muaj peev xwm tshaj plaws hauv kev sib txuas lus wireless yav tom ntej.
ABI Kev Tshawb Fawb tau kwv yees tias ntau dua 430 lab WiFi chips yuav raug xa mus thoob ntiaj teb hauv 2021, thiab ntau dua 1 billion yuav raug xa los ntawm 2025. Chips yog qhov xav tau nyuaj rau WiFi sab hauv qhov chaw daws teeb meem. Nyob rau tib lub sijhawm, cov tuam txhab lag luam hauv tsev thiab txawv teb chaws tseem tab tom ua raws li kev txhim kho ntawm WiFi thev naus laus zis, xws li Qualcomm, Broadcom, Mediatek, Texas Instruments thiab lwm lub tuam txhab WiFi nti tau tsim kho tshiab, thiab tam sim no WiFi 6 nti khiav yog tseem. vam meej. Qhov sib txawv no ntxiv dag zog rau qhov zoo ntawm WiFi qhov chaw daws teeb meem: raws li cov txheej txheem ntawm cov chaw nyob, nws cov yam ntxwv tsis tshua muaj nqi thiab cov nqi qis yog hloov tsis tau.
Yav dhau los, WiFi thev naus laus zis tau siv los ua kev sib txuas lus broadband. Tom qab ntawd, nrog kev txhim kho txuas ntxiv ntawm cov qauv siv thev naus laus zis thiab qhov tseeb los ntawm Bluetooth thiab UWB, WiFi kuj tau nkag mus rau qhov chaw khiav. Piv txwv li, passiveWi-Fi thev naus laus zis tsim los ntawm University of Washington tuaj yeem ua tiav qhov kev nkag siab ntawm qhov deb ntawm 30 meters. Hauv Android 9 Pie, Google siv 802.11MC raws tu qauv thiab RTT (txog mus ncig qeeb) los siv wi-fi nyob sab hauv tsev. WiFi tseem yog qhov tseem ceeb hauv kev hloov pauv lub neej hauv tsev.
Post lub sij hawm: May-25-2022