Kev teeb tsa tau dhau los ua ib qho thev naus laus zis tseem ceeb hauv peb lub neej txhua hnub. GNSS, Beidou, GPS lossis Beidou /GPS + 5G / WiFi fusion satellite positioning technology tau txais kev txhawb nqa sab nraud. Nrog
qhov kev thov rau sab hauv tsev nce ntxivdaim ntawv thovcov xwm txheej, peb pom tias thev naus laus zis satellite positioning tsis yog qhov kev daws teeb meem zoo tshaj plaws rau cov xwm txheej zoo li no.
Kev tso chaw sab hauv tsev vim muaj qhov sib txawv ntawm cov xwm txheej ntawm daim ntawv thov, cov kev xav tau ntawm qhov project thiab cov xwm txheej tiag tiag, nws nyuaj rau muab cov kev pabcuam nrog cov txheej txheem kev txawj ntse sib xws
cov qauv, uas pab txhawb rau sab hauv tsevKev daws teeb meem thev naus laus zis hauv xyoo tas los no muaj ntau dua thiab nplua nuj dua. Xws li WiFi positioning, Bluetooth iBeacon positioning,
kev tso kawm geomagnetic, UWB kev tso kawm thiabKev lag luam Bluetooth AOA positioningdaim ntawv thovcov kev daws teeb meem tshwm sim hauv ib qho kwj deg tsis kawg.
Tam sim no, hauv kev lag luam tso chaw sab hauv tsev "ib puas lub tsev kawm ntawv ntawm kev xav sib tw, ib puas paj tawg paj", thiab qhov tseeb ntawm qhov xwm txheej tau nce siab dua thiab
siab dua, WiFi positioning technology nyob rau hauv lubkev lag luam tso chaw sab hauv tsev thiab nws qhov chaw loj hlob?
Kev Tso Chaw Sab Hauv Tsev Tsis Muaj WiFi
Piv nrog UWB thiab Bluetooth AOA positioning technologies uas nrov nyob rau hauv ob xyoos dhau los, WiFi positioning qhov tseeb tsuas yog nyob rau ntawm 'meter', tab sis nws zoo dua li
Kev sib kis tau deb thiab tus nqi qis heev. WiFitxoj kev teeb tsa qhov chaw zoo heev rau kev siv rau hauv cov chaw teeb tsa yias, xws li cov khw muag khoom loj thiab cov khw loj.
Yog li ntawd, WiFi thev naus laus zis kuj tseem ua lub luag haujlwm tseem ceeblub luag haujlwm hauv kev txhim kho kev tso chaw sab hauv tsev.
WiFi qhov chaw, raws li nws lub npe qhia, yog ib qho thev naus laus zis qhov chaw raws li WiFi teeb liab. Nws yog faib los ntawm txoj kev tau txais cov teeb liab qhov chaw, thiab muaj passive positioning ntawm sab ntawm
WiFi network thiab active positioning ntawm lubsab ntawm lub davhlau ya nyob twg WiFi.
Kev tso chaw tsis siv neeg ntawm lub network WiFi.Nws yog raws li wireless LAN lossis lub network WiFi probe tshwj xeeb hauv qhov chaw. Los ntawm kev txais cov teeb liab WiFi sib npaug ntawm sab server thiab txheeb xyuas thiab xam lawv, qhovqhov chaw ntawm cov cuab yeej ntse hauv qhov chaw tuaj yeem suav tau (cov cuab yeej ntse uas yuav tsum tau nrhiav tsis tas yuav tsum tau teeb tsa cov kev pab cuam tshwj xeeb lossis tsis tas yuav txuas rau lub network tshwj xeeb). Kev teeb tsa sab ntawm WiFi network tuaj yeempaub txog qhov chaw pom ntawm cov khoom siv wireless network hauv qhov chaw, thiab xam qhov txav mus los ntawm cov neeg coob coob, cov neeg coob coob thiab cov hom phiaj txav mus los. Hauv ib puag ncig zoo tagnrho, qhov nruab nrab qhov tseeb ntawmzhongke Jin point hauv kev coj ua lag luam yog li 5 meters.
Qhov chaw nquag nyob rau ntawm lub davhlau ya nyob twg WiFi.Feem ntau, txoj kev teeb tsa yog sawv cev los ntawm WiFi qhov chaw ntiv tes. WiFi qhov chaw ntiv tes paub txog algorithm yog WiFi qhov chaw algorithm uas vam khom lub teeb liabcov yam ntxwv xa los ntawm AP nyob ib ncig ntawm lub davhlau ya nyob twg los nrhiav, thiab siv cov ntaub ntawv RSSI teeb liab sib raug rau qhov chaw nyob ntawm qhov chaw tiag tiag los ua qhov kev sib piv thiabKev txheeb xyuas. Thaum ntxov ntawm kev txhim kho kev tso chaw sab hauv tsev, WiFi terminal sab active positioning tau siv dav hauv kev pabcuam navigation qhov chaw tiag tiag ntawm cov khw loj thiab chaw nres tsheb. Hauv qhov zoo tagnrhoib puag ncig, qhov tseeb nruab nrab ntawm kev tso chaw nquag raws li WiFi hauv kev lag luam yog li 3 meters.
WiFi qhov chaw sib piv.Ntxiv rau ob txoj kev nrhiav chaw WiFi saum toj no, muaj lwm txoj kev siv tshuab nrhiav chaw uas pej xeem tsis paub zoo. Piv nrog rau ob txoj kev nrhiav chaw WiFi saum toj no, WiFiQhov chaw sib piv tuaj yeem sib cais los ntawm daim ntawv qhia kom paub qhov kev txiav txim siab deb thiab txawm tias qhov kev lees paub azimuth ntawm ob lub davhlau ya nyob twg nrog kev pab los ntawm cov teeb liab WiFi pej xeem hauv tib qho chaw. Hauv kev xyaum ua lag luam ntawmLub Tuam Txhab Zhongkejin Point, qhov tseeb ntawm qhov chaw ntawm ob lub davhlau ya nyob twg feem ntau tuaj yeem paub txog li 5 meters ntawm qhov kev txiav txim siab ntawm daim ntawv thov daim ntawv qhia.
Ib txoj kev faib WiFi raws li qhov chaw tsis yog tsuas yog ua kom nws cov txiaj ntsig zoo xwb tab sis kuj ua kom zoo dua qhov tseeb ntawm qhov chaw thiab ua tiav qhov siab tshaj plaws ntawm kev siv sab hauv tsev + WiFi.
"Khaws kub" WiFi Qhov Chaw Tshuab
Txawm hais tias qhov kev tso chaw tsis siv neeg ntawm sab ntawm WiFi network raug txwv los ntawm txoj kev tiv thaiv ntawm lub xov tooj ntawm tes hauv theem tom qab, qhov kev daws teeb meem zoo tshaj plaws tseem yog qhov kev tso chaw tsis siv neeg ntawm sab ntawm WiFi network rau kev pom kev kub ntawm cov neeg caij tsheb hauv qee qhov chaw pej xeem.
Tus nqi lag luam ntawm WiFi network positioning yog nyob rau hauv qhov tseeb tias lub xeev faib tawm tiag tiag ntawm cov neeg coob coob tuaj yeem tau txais yam tsis muaj kev pom ntawm cov neeg coob coob raws li cov khoom siv wireless LAN uas twb muaj lawm yam tsis muaj cov khoom siv ntxiv. Nws tuaj yeem siv rau kev hais kom ua thaum muaj xwm txheej ceev hauv cov chaw pej xeem loj hauv tsev xws li tshav dav hlau, chaw nres tsheb thiab chaw ua si.
Kev tso chaw nquag ntawm sab WiFi kuj yog raws li txoj kev tiv thaiv kev ceev ntiag tug ntawm cov xov tooj ntawm tes. Ntau daim ntawv thov kev taw qhia hauv tsev tiag tiag tig mus rau txoj kev siv thev naus laus zis bluetooth iBeacon, tab sis hauv qee qhov xwm txheej tshwj xeeb, kev tso chaw WiFi tseem muaj nws qhov zoo tshwj xeeb. Piv txwv li, cov tsev kawm ntawv lossis cov zej zog muaj cov yam ntxwv WiFi ntiv tes zoo dua li cov khw muag khoom yav dhau los vim muaj ntau lub wireless aps lossis cov routers hauv tsev faib rau hauv cov xwm txheej no. Raws li cov yam ntxwv WiFi ntiv tes no, nws tuaj yeem ua ke nrog qee cov ntawv thov kev lag luam saib xyuas kev saib xyuas los ntawm APP keeb kwm yav dhau los hom kev tso chaw, thiab tseem tuaj yeem ua ke nrog Cat.1 patrol lub npe cim uas Zhongkejin taw tes tso tawm kom ua tiav kev ntxuav tus nqi qis heev, kev ruaj ntseg tiag tiag qhov chaw tuaj koom thiab kev tswj hwm kev taug qab. Piv nrog rau kev nqis peev kho vajtse loj ntawm UWB lossis Bluetooth AOA, WiFi positioning technology nrog 4G Internet of Things los ntawm cov neeg teb xov tooj muaj txiaj ntsig zoo dua rau kev lag luam.
Qhov chaw sib piv ntawm WiFi, uas pej xeem tsis paub, siv tau ua ib qho kev ntxiv rau lub cuab yeej tiv thaiv kev ploj uas twb muaj lawm, thiab daws qhov teeb meem uas qhov chaw ntawm lub cuab yeej tiv thaiv kev ploj uas twb muaj lawm tsis paub hauv qhov chaw sab hauv tsev thiab nws tsis yooj yim nrhiav. Piv txwv li, lub cuab yeej tiv thaiv kev ploj ntawm tus tsiaj uas sib xyaw nrog WiFi qhov chaw sib piv tuaj yeem paub txog qhov chaw teeb tsa laj kab hluav taws xob ntawm tus tsiaj hauv lub tsev los ntawm "electronic sentry" uas tau teeb tsa ua ntej. Txawm tias tus tsiaj nkag mus rau hauv chav, nws tuaj yeem yooj yim paub qhov chaw tiag tiag thiab nrhiav nws.
Cov xwm txheej ntawm peb txoj kev faib WiFi positioning technologies kom ua tiav tus nqi lag luam yog nyob rau hauv kab nrog lawv tus kheej sib txawv, thiab cov xwm txheej thov tau faib thiab kho kom haum rau kev ua tiav tus nqi thov siab dua ntawm txoj kev npaj. WiFi positioning feem ntau yog siv rau cov neeg ua haujlwm tsis muaj kev xav, yog li nyob rau hauv ib puag ncig tam sim no, WiFi network sab positioning occupies feem ntau ntawm daim ntawv thov.
Kev Teeb tsa WiFi Yuav Tsum Tau Xav Tau Yav Tom Ntej
Raws li Market & Markets, lub ntiaj teb qhov chaw sab hauv tsev Market yuav loj hlob mus txog $ 40.99 billion hauv xyoo 2022 thiab tswj hwm tus nqi loj hlob ntawm 42%. Kev tso chaw sab hauv tsev tau maj mam hloov pauv los ntawm TO B / mus rau G mus rau C, tab sis kev tsav tsheb lag luam thiab kev tsav tsheb ntawm tsoomfwv tseem yog ob qho tseem ceeb heev.
Raws li cov ntaub ntawv qhia los ntawm Global Market Insights, Kev Lag Luam Thoob Ntiaj Teb WiFi chip yuav ncav cuag ntau dua $ 20 billion hauv xyoo 2021 thiab yuav ncav cuag $ 22 billion hauv xyoo 2025. WiFi chip yuav yog qhov kev lag luam muaj peev xwm tshaj plaws hauv kev sib txuas lus wireless chip yav tom ntej.
ABI Kev Tshawb Fawb kwv yees tias yuav muaj ntau dua 430 lab lub WiFi chips raug xa mus thoob ntiaj teb hauv xyoo 2021, thiab yuav muaj ntau dua 1 billion yuav raug xa mus txog xyoo 2025. Cov chips yog qhov xav tau ntau rau WiFi sab hauv tsev cov kev daws teeb meem. Tib lub sijhawm, cov tuam txhab tsim khoom siv WiFi chip hauv tsev thiab txawv teb chaws kuj tseem ua raws li kev txhim kho ntawm WiFi thev naus laus zis, xws li Qualcomm, Broadcom, Mediatek, Texas Instruments thiab lwm cov tuam txhab tsim khoom siv WiFi chip uas pheej yig hloov kho tshiab, thiab WiFi 6 chip khiav tam sim no kuj vam meej. Qhov sib txawv no ua rau muaj kev txhim kho ntawm WiFi qhov chaw daws teeb meem: raws li cov khoom siv ntawm cov txheej txheem qhov chaw, nws cov yam ntxwv uas nyob txhua qhov chaw thiab pheej yig tsis tuaj yeem hloov pauv tau.
Yav dhau los, thev naus laus zis WiFi feem ntau yog siv ua lub network sib txuas lus broadband. Tom qab ntawd, nrog kev txhim kho tas mus li ntawm cov qauv thev naus laus zis thiab kev ua kom raug los ntawm Bluetooth thiab UWB, WiFi kuj tau nkag mus rau hauv txoj kev teeb tsa. Piv txwv li, thev naus laus zis passiveWi-Fi tsim los ntawm University of Washington tuaj yeem ua tiav kev paub tsis siv neeg ntawm qhov deb ntawm 30 meters. Hauv Android 9 Pie, Google siv 802.11MC protocol thiab RTT (round-trip delay) los siv wi-fi sab hauv tsev. WiFi tseem yog tus neeg ua si tseem ceeb hauv kev hloov pauv lub neej sab hauv tsev.
Lub sijhawm tshaj tawm: Tsib Hlis-25-2022