Ukuma sekuphenduke ubuchwepheshe obubalulekile empilweni yethu yansuku zonke. I-GNSS, i-Beidou, i-GPS noma i-Beidou /GPS+5G/WiFi fusion positioning satellite technology isekelwa ngaphandle. Nge
ukwanda kwesidingo sangaphakathiisiceloezimweni, sithola ukuthi ubuchwepheshe bokumisa isathelayithi akusona isixazululo esiphelele sezimo ezinjalo.
Ukuma kwangaphakathi ngenxa yomehluko wesimo sohlelo lokusebenza, izidingo zephrojekthi kanye nezimo ezingokoqobo, kunzima ukuhlinzeka ngezinsizakalo ngesethi efanayo yezobuchwepheshe.
amazinga, okunomthelela endliniukubeka izixazululo zobuchwepheshe eminyakeni yamuva ecebile kakhulu. Okufana nokubeka i-WiFi, ukuma kwe-Bluetooth iBeacon,
ukuma kwe-geomagnetic, ukuma kwe-UWB, kanyeImboni yokubeka indawo ye-Bluetooth AOAisiceloizixazululo zivela ngokusakaza okungapheli.
Njengamanje, emakethe yokubeka indawo yasendlini "izikole eziyikhulu zokuphikisana, izimbali eziyikhulu ziyaqhakaza", futhi ukunemba kwesimo kuyakhuphuka futhi
ephakeme, ubuchwepheshe be-WiFi positioning in theimakethe yendawo yokuhlala kanye nendawo yayo yokuthuthukiswa?
I-Indoor Positioning Ayikwazi Ukuntula i-WiFi
Uma kuqhathaniswa nobuchwepheshe bokubeka be-UWB ne-Bluetooth AOA obudumile eminyakeni emibili edlule, ukunemba kokuma kwe-WiFi kusezingeni lamamitha kuphela, kodwa kudlula
ibanga lokudlulisela kanye nezindleko eziphansi kakhulu. I-WiFii-positioning scheme ifaneleka kakhulu ukusetshenziswa ezigcawini zokubeka i-pan-positioning, njengezitolo ezinkulu kanye nenxanxathela yezitolo.
Ngakho-ke, ubuchwepheshe be-WiFi nabo budlala indima ebalulekileiqhaza ekuthuthukisweni kokuma kwangaphakathi.
Indawo ye-WiFi, njengoba negama layo lisho, ubuchwepheshe bendawo obusekelwe kumasiginali we-WiFi. Ihlukaniswe endleleni yokuthola amasignali endawo, futhi inokuma kwe- passiv ohlangothini lwe
Inethiwekhi ye-WiFi nokuma okusebenzayo ku-ohlangothini lwe-WiFi terminal.
Ukuma kwe-Passive kunethiwekhi ye-WiFi.Isekelwe ku-LAN engenantambo noma inethiwekhi yokuhlola ye-WiFi ezinikele esizeni. Ngokwamukela amasiginali we-WiFi ngendlela efanayo ohlangothini lweseva futhi uwahlaziye futhi uwabale, iindawo yamatheminali ahlakaniphile esizeni ingabalwa (amatheminali ahlakaniphile azotholakala awadingi ukufaka izinhlelo ezithile noma isidingo sokuxhuma kunethiwekhi ethile). Inethiwekhi ye-WiFi ohlangothini lokuma kungabaqaphela umbono wokuma kwemishini yenethiwekhi engenantambo esizeni, futhi ubale ukuthambekela okunyakazayo kwesixuku, ukuminyana kwesixuku kanye nethrekhi eqondiwe enyakazayo. Endaweni ekahle, ukunemba kokuma okumaphakathi kweIphuzu le-zhongke Jin ekusebenzeni kwezohwebo licishe libe ngamamitha ayi-5.
Indawo esebenzayo kutheminali ye-WiFi.Ngokuvamile, indlela yokumisa imelwa izigxivizo zeminwe zendawo ye-WiFi. I-algorithm yokuqaphela izigxivizo zeminwe yendawo ye-WiFi iyi-algorithm yendawo ye-WiFi encike kusignaliizici ezithunyelwe yi-AP eduze kwetheminali ukuze zitholwe, futhi zisebenzisa isizindalwazi sokuqina kwesiginali ye-RSSI ehambisana nendawo yendawo yesiza sangempela ukwenza ukuhlaziya okuqhathanisayo kanyeukuhlonza. Esigabeni sokuqala sokuthuthukiswa kokuma kwangaphakathi, indawo esebenzayo yetheminali ye-WiFi yayisetshenziswa kakhulu kusevisi yendawo yokuzulazula yesikhathi sangempela yezitolo zezitolo nezindawo zokupaka. Ngendlela ekahleimvelo, ukunemba okumaphakathi kokuma okusebenzayo okusekelwe ku-WiFi ekusebenzeni kwezentengiselwano kumayelana namamitha angu-3.
Ukuma kwesihlobo se-WiFi.Ngokungeziwe kulezi zindlela ezimbili ezingenhla zendawo ye-WiFi, kunobunye ubuchwepheshe bendawo ehlobene obungaziwa kahle emphakathini. Uma kuqhathaniswa nokuma kwe-WiFi okubili okukhulunywe ngenhla, i-WiFiukuma okuhlobene kungahlukaniswa kumephu ukuze kubonakale ukwahlulela kwebanga ngisho nokuqashelwa kwe-azimuth phakathi kwamatheminali amabili ngosizo lwamasiginali we-WiFi yomphakathi endaweni efanayo. Emsebenzini webhizinisi weI-Zhongkejin Point Company, ukunemba kokuma kwamatheminali amabili ngokuvamile kungabonakala cishe ngamamitha angu-5 ukusuka kubude bebanga lokwahlulela kwesicelo semephu.
Isikimu sokuma se-WiFi esihlukaniswe iziqephu esisekelwe esigcawini asikwazi nje kuphela ukuqinisekisa izinzuzo zaso kodwa futhi sithuthukise kangcono ukunemba kokuma futhi sizuze inani eliphezulu lohlelo lokusebenza le-indoor +WiFi.
“Ukumba igolide” Ubuchwepheshe Bendawo ye-WiFi
Nakuba ukuma okungenzi lutho ngasohlangothini lwenethiwekhi ye-WiFi kukhawulelwe indlela yokuvikela ubumfihlo befoni ephathekayo esikhathini esizayo, isisombululo esingcono kakhulu kusewukumisa eceleni kwenethiwekhi ye-WiFi ukuze uthole umbono oshisayo wokusatshalaliswa kokugeleza kwabagibeli emphakathini othize. izindawo.
Inani lezentengiselwano lokuma kwenethiwekhi ye-WiFi liseqinisweni lokuthi isimo sokusabalalisa ngesikhathi sangempela sesixuku singatholwa ngaphandle kombono wesixuku ngokusekelwe kungqalasizinda ye-LAN engenantambo ngaphandle kwemishini eyengeziwe. Ingasetshenziselwa umyalo ophuthumayo ezindaweni zomphakathi ezingaphakathi endlini njengezikhumulo zezindiza, iziteshi kanye nezikhungo zezemidlalo.
Ukuma okusebenzayo ohlangothini lwetheminali ye-WiFi nakho kungaphansi kwesu lokuvikela ubumfihlo bomakhalekhukhwini. Izinhlelo zokusebenza eziningi zokuzulazula zesikhathi sangempela zasendlini ziphendukela kumzila wobuchwepheshe we-bluetooth iBeacon, kodwa kwezinye izimo, ukuma kwetheminali ye-WiFi kusenezinzuzo zako ezikhethekile. Isibonelo, amakhampasi noma imiphakathi inezici ezingcono zezigxivizo zeminwe ze-WiFi kunenxanxathela yezitolo esikhathini esidlule ngenxa yenani elikhulu lama-aps angenantambo noma amarutha asekhaya asatshalaliswa kulezi zigcawu. Ngokusekelwe kulezi zici zeminwe ye-WiFi, ingahlanganiswa nezinye izinhlelo zokusebenza zebhizinisi lokugada ngemodi yokubeka ingemuva le-APP, futhi ingahlanganiswa nethegi yegama lokuqapha le-Cat.1 eyethulwe iphoyinti lase-Zhongkejin ukuze kuzuzwe ukuhlanzwa kwezindleko eziphansi kakhulu, ukuphepha. ukubakhona kwendawo ngesikhathi sangempela kanye nokuphathwa kwethrekhi. Uma kuqhathaniswa nokutshalwa kwehadiwe okukhulu kwe-UWB noma i-Bluetooth AOA, ubuchwepheshe bokubeka i-WiFi obune-inthanethi ye-4G Yezinto ezivela ku-opharetha bunevelu eliphezulu elisebenzayo lokuthengisa.
Ukuma okuhlobene kwe-WiFi, okungaziwa emphakathini, kungasetshenziswa njengesithasiselo sezobuchwepheshe kudivayisi ekhona ekwazi ukulahleka, futhi kuxazululwe inkinga yokuthi indawo yedivayisi ekhona ekwazile ukulahlekelwa ayaziwa endaweni yesehlakalo futhi. akunakwenzeka ukutholakala. Isibonelo, idivayisi elwa nokulahlekelwa ehlanganiswe nendawo ehlobene ye-WiFi ingakwazi ukubona ukusethwa kocingo lwe-elekthronikhi yesilwane esifuywayo esakhiweni ngokusebenzisa “umlindi wogesi” osethiwe. Ngisho noma isilwane esifuywayo singena egumbini, singakwazi kalula ukuthi sikuphi futhi sisithole.
Izimo zobuchwepheshe bokubeka i-WiFi obuhlukaniswe iziqephu ezintathu ukuze kuzuzwe inani lezentengiselwano zihambisana nokuhlukaniswa kwazo, futhi izimo zohlelo lokusebenza ziyahlukaniswa futhi zenziwe ngendlela oyifisayo ukuze kuzuzwe inani eliphezulu lesicelo sohlelo. I-WiFi positioning isetshenziswa kakhulu ekumiseni abasebenzi ngokungazweli, ngakho-ke endaweni yamanje, ukuma kwenethiwekhi ye-WiFi kuthatha ingxenye enkulu yohlelo lokusebenza.
Ukuma kwe-WiFi Kungalindelwa Ngokuzayo
Ngokusho kwe-Market & Markets, iMakethe yendawo yangaphakathi yomhlaba wonke izokhula ifinyelele ku-$40.99 billion ngo-2022 futhi igcine izinga lokukhula elihlanganisiwe lama-42%. Ukuma kwangaphakathi kuye kwashintsha kancane kancane ukusuka ku-B/kuya ku-G kuya ku-C, kodwa idrayivu yezohwebo kanye nokushayela kukahulumeni kuseyizici ezimbili ezibaluleke kakhulu.
Ngokusho kwedatha ekhonjiswe i-Global Market Insights, i-Global WiFi chip Market izofinyelela ngaphezu kwezigidigidi ezingama-20 zamaRandi ngo-2021 futhi izofinyelela ku-$22 billion ngo-2025. I-chip ye-WiFi izoba ingxenye yemakethe engaba khona kakhulu emkhakheni we-chip yokuxhumana okungenantambo esikhathini esizayo.
Ucwaningo lwe-ABI lubikezela ukuthi ama-chips e-WiFi angaphezu kwezigidi ezingu-430 azothunyelwa emhlabeni jikelele ngo-2021, futhi angaphezu kwebhiliyoni engu-1 azothunyelwa ngo-2025. Ama-chips ayisidingo esinzima sezixazululo zendawo yasendlini ye-WiFi. Ngasikhathi sinye, abakhiqizi bamachip be-WiFi basekhaya nabangaphandle nabo bahambisana nokuthuthukiswa kobuchwepheshe be-WiFi, obufana ne-Qualcomm, Broadcom, Mediatek, Texas Instruments nabanye abakhiqizi be-chip ye-WiFi bahlala besungula izinto ezintsha, kanti ne-WiFi 6 chip track yamanje nayo iyasungulwa. echumayo. Lo mkhuba uqinisa futhi inzuzo yezixazululo zendawo ye-WiFi: njengoba ingqalasizinda yezinhlelo zendawo, izici zayo ezitholakala yonke indawo nezindleko eziphansi azinakushintshwa.
Esikhathini esedlule, ubuchwepheshe be-WiFi babusetshenziswa kakhulu njengenethiwekhi yokuxhumana nge-broadband. Kamuva, ngokuthuthuka okuqhubekayo kwamazinga obuchwepheshe bokumisa nokunemba nge-Bluetooth ne-UWB, i-WiFi nayo yangena ethrekhi yokuma. Isibonelo, ubuchwepheshe be-passive Wi-Fi obuthuthukiswe yiNyuvesi yaseWashington bungafinyelela inzwa yokwenziwa ebangeni elingamamitha angama-30. Ku-Android 9 Pie, i-Google isebenzisa iphrothokholi engu-802.11MC kanye ne-RTT (ukubambezeleka kokuya nokubuya) ukuze isebenzise indawo yasendlini ye-wi-fi. I-WiFi isengumdlali omkhulu ekuguquleni impilo yasendlini.
Isikhathi sokuthumela: May-25-2022