Eyokuqala: Ulink Media
Umbhali: 旸谷
Kungekudala, inkampani ye-semiconductor yaseDutch i-NXP, ngokubambisana nenkampani yaseJamani iLateration XYZ, ifumene amandla okufikelela kwi-millimeter-level precision positioning yezinye izinto ze-UWB kunye nezixhobo zisebenzisa iteknoloji ye-ultra-wideband.Esi sisombululo sitsha sizisa amathuba amatsha eemeko ezahlukeneyo zezicelo ezifuna ukubekwa kwindawo echanekileyo kunye nokulandelela, okuphawula ukuqhubela phambili okubalulekileyo kwimbali yophuhliso lwetekhnoloji ye-UWB.
Enyanisweni, ukuchaneka kwenqanaba le-UWB ye-centimeter yangoku, kwintsimi yokumisa yenziwe ngokukhawuleza, kwaye ixabiso eliphezulu le-hardware linika abasebenzisi kunye nabanikezeli besisombululo iintloko malunga nendlela yokusombulula iindleko kunye nobunzima bokuthunyelwa.Ngeli xesha "roll" kwinqanaba le-millimeter, ngaba kuyimfuneko?Kwaye i-millimeter-level ye-UWB iya kuzisa ngawaphi amathuba emarike?
Kutheni kunzima ukufikelela kwimillimeter-scale UWB?
Njengokuchaneka okuphezulu, ukuchaneka okuphezulu, indawo yokhuseleko oluphezulu, kunye nendlela yokusukela, indawo ye-UWB yangaphakathi inokufikelela ngokwethiyori ukuya kwimilimitha okanye ukuchaneka kwe-micrometer, kodwa ekuhanjisweni okwenyani, ihleli kwinqanaba leesentimitha ixesha elide, ikakhulu ngenxa yokuchaneka. kwezi zinto zilandelayo ezichaphazela ukuchaneka okukuko kwe-UWB:
1. Impembelelo yendlela yokuthunyelwa kwenzwa ekumiseni ukuchaneka
Kweyona nkqubo yokusombulula ukuchaneka kokubeka, ukwanda kwenani leenzwa kuthetha ukwanda kolwazi olungafunekiyo, kwaye ulwazi olutyebileyo olungafunekiyo lunokunciphisa ngakumbi impazamo yokubeka.Nangona kunjalo, ukuchaneka kokumisa akunyuki kunye neenzwa ezingcono kakhulu, kwaye xa inani leenzwa linyuswa kwinani elithile, igalelo ekuchanekeni kokumisa alikho likhulu ngokunyuka kweenzwa.Kwaye ukwanda kwenani leenzwa kuthetha ukuba iindleko zezixhobo zonyuka.Ke ngoko, indlela yokufumana ulungelelwaniso phakathi kwenani leenzwa kunye nokuchaneka kokubeka, kwaye ke ngoko ukuhanjiswa okunengqiqo kwee-sensor ze-UWB kugxininiso lophando malunga nefuthe lokuhanjiswa kwenzwa ekumiseni ukuchaneka.
2. Impembelelo ye-multipath effect
Iimpawu ze-UWB zokuma kwe-ultra-wideband ziboniswa kwaye zichanxwe yimeko-bume engqongileyo enje ngeendonga, iglasi, kunye nezinto zangaphakathi ezifana needeskithophu ngexesha lenkqubo yosasazo, ezikhokelela kwiziphumo zeendlela ezininzi.Utshintsho lwesignali ekulibazisekeni, i-amplitude, kunye nesigaba, esikhokelela ekunciphiseni amandla kunye nokuncipha kwe-signal-to-noise ratio, ekhokelela ekubeni isignali yokuqala efikelelweyo ayithe ngqo, ibangela iimpazamo ezihlukeneyo kunye nokuncipha kokuchaneka kokumisa. .Ke ngoko, ukucinezelwa okusebenzayo kwesiphumo sendlela yobuninzi kunokuphucula ukuchaneka kokubeka, kwaye iindlela zangoku zokucinezela i-multipath ikakhulu ziquka i-MUSIC, i-ESPRIT, kunye neendlela zokufumanisa edge.
3. Impembelelo ye-NLOS
Ukusasazwa komgca wokubona (i-LOS) ngowokuqala, kunye nemfuneko yokuqinisekisa ukuchaneka kweziphumo zokulinganisa umqondiso, xa iimeko phakathi kwethagethi yokubeka iselula kunye nesikhululo sesiseko singenako ukufezekiswa, ukusasazwa kwesiginali kunokubakho kuphela. igqitywe phantsi kweemeko ezingezizo zokubona ezifana ne-refraction kunye ne-diffraction.Ngeli xesha, ixesha le-pulse yokuqala yokufika ayibonisi ixabiso langempela le-TOA, kwaye isalathiso se-pulse yokuqala yokufika ayilona xabiso langempela le-AOA, eliya kubangela impazamo ethile yokumisa.Okwangoku, iindlela eziphambili zokuphelisa impazamo engabonakaliyo yindlela ye-Wylie kunye nendlela yokuphelisa ukulungelelanisa.
4. Impembelelo yomzimba womntu ekumiseni ukuchaneka
Elona candelo liphambili lomzimba womntu ngamanzi, amanzi kwi-UWB yesiginali ye-wireless pulse inesiphumo esinamandla sokufunxa, esikhokelela ekunciphiseni amandla omqondiso, ukutenxa kolwazi, kunye nokuchaphazela isiphumo sokumisa sokugqibela.
5. Impembelelo yokungena komqondiso ubuthathaka
Nakuphi na ukungena komqondiso ngeendonga kunye namanye amaqumrhu kuya kwenziwa buthathaka, i-UWB iyahluka.Xa indawo ye-UWB ingena kudonga oluqhelekileyo lwezitena, uphawu luya kuba buthathaka malunga nesiqingatha.Utshintsho kwixesha lokuhambisa umqondiso ngenxa yokungena eludongeni kuya kuchaphazela ukuchaneka kwendawo.
Ngenxa yomzimba womntu, ukungena komqondiso okuziswa kukuchaneka kwempembelelo kunzima ukukuphepha, I-NXP kunye nenkampani yaseJamani iLaterationXYZ iya kuba ngokusebenzisa izisombululo ze-sensor ye-innovative layout ukuze kuphuculwe itekhnoloji ye-UWB, akukhange kubekho mboniso uthile weziphumo ezintsha. , Ndinokukhululwa kuphela kwiwebhusayithi esemthethweni yeNXP yamanqaku obugcisa adlulileyo ukwenza uqikelelo olufanelekileyo.
Ngokubhekiselele ekukhuthazeni ukuphucula ukuchaneka kwe-UWB, ndikholelwa ukuba oku kuqala kuyo yonke i-NXP njengomdlali ohamba phambili we-UWB wehlabathi ukujongana nabavelisi basekhaya bangoku bezinto ezintsha ezinkulu kwimeko yokuqhawula kunye nokukhusela kobugcisa.Emva kwayo yonke loo nto, itekhnoloji ye-UWB yangoku ikwinqanaba elikhulayo lophuhliso, kwaye iindleko ezihambelanayo, isicelo, kunye nesikali azikaqiniswa, ngeli xesha, abavelisi basekhaya banenkxalabo malunga neemveliso ze-UWB ngokukhawuleza kangangoko kunokwenzeka kunye nokusasazeka, ukubamba imarike, abanalo ixesha lokukhathalela ukuchaneka kwe-UWB ukuphucula ukutsha.I-NXP, njengomnye wabadlali abaphezulu kwintsimi ye-UWB, inemveliso epheleleyo ye-ecosystem kunye neminyaka emininzi yokulima ngokunzulu amandla obugcisa aqokelelweyo, ekhululekile ngakumbi ukwenza i-UWB entsha.
Okwesibini, i-NXP ngeli xesha ukuya kwinqanaba le-millimeter ye-UWB, iphinda ibone amandla angenasiphelo ophuhliso lwexesha elizayo lwe-UWB kwaye iqinisekile ukuba ukuphuculwa kokuchaneka kuya kuzisa izicelo ezintsha kwiimarike.
Ngokombono wam, i-upside ye-UWB iya kuqhubeka iphucula kunye nokuqhubela phambili kwe-5G "iziseko ezitsha", kwaye yandise ngakumbi ukulungelelaniswa kwayo kwexabiso kwinkqubo yokuphucula i-industrial ye-5G yokuxhotyiswa kwe-smart.
Ngaphambili, kwinethiwekhi ye-2G / 3G / 4G, iimeko zokubeka i-mobile zigxininisekile kwiifowuni eziphuthumayo, ukufikelela kwindawo esemthethweni, kunye nezinye izicelo, iimfuno zokuchaneka kokubeka aziphezulu, ngokusekelwe kwi-ID ye-Cell ukuchaneka kokuchaneka kokuchaneka ukusuka kumashumi eemitha ukuya kumakhulu. yeemitha.Ngelixa i-5G isebenzisa iindlela ezintsha zokufaka iikhowudi, ukuxutywa kwe-beam, i-antenna enkulu, i-millimeter wave spectrum, kunye nobunye ubuchwepheshe, i-bandwidth yayo enkulu kunye ne-antenna array technology, inika isiseko sokulinganisa umgama ochanekileyo kunye nokulinganisa i-angle echanekileyo.Ngoko ke, omnye umjikelo we-UWB we-sprint kwintsimi yokuchaneka uxhaswa yimvelaphi yexesha elihambelanayo, isiseko seteknoloji, kunye nethemba elaneleyo lokufaka isicelo, kwaye le ngqungquthela yokuchaneka kwe-UWB inokuthathwa njenge-pre-layout ukuhlangabezana nokuphuculwa kobukrelekrele bedijithali.
Zeziphi iimarike eziza kuvula iMillimeter UW?
Okwangoku, ukuhanjiswa kwemarike ye-UWB kubonakaliswa ikakhulu kukusasazeka kwe-B kunye noxinzelelo lwe-C.Kwisicelo, i-B-end ineemeko ezininzi zokusetyenziswa, kwaye i-C-end inendawo yokucinga ngakumbi kwimigodi yokusebenza.Ngokombono wam, olu tshintsho lujolise ekumiseni ukusebenza ludibanisa iingenelo ze-UWB kwindawo echanekileyo, engazisi nje impumelelo yokusebenza kwizicelo ezikhoyo kodwa idala amathuba okuba i-UWB ivule indawo entsha yesicelo.
Kwimakethi ye-B-end, yeepaki, iifektri, amashishini, kunye nezinye iimeko, indawo engqongileyo engenazingcingo yendawo yayo ethile iqinisekile, kwaye ukuchaneka kwendawo kunokuqinisekiswa rhoqo, ngelixa ezo ndawo zikwagcina imfuno ezinzileyo yombono ochanekileyo wokuma, okanye iya kuba yi-millimeter-level UWB kungekudala iza kujoliswa kuncedo lwentengiso.
Kwimeko yezemigodi, kunye nokuqhubela phambili kolwakhiwo lwasemgodini olukrelekrele, isisombululo sokudityaniswa kwe "5G + UWB positioning" sinokwenza inkqubo yemigodi yobukrelekrele igqibe indawo ngexesha elifutshane kakhulu, ifezekise indibaniselwano egqibeleleyo yokubeka ngokuchanekileyo kunye nokusetyenziswa kwamandla aphantsi, kwaye ukuqonda iimpawu zokuchaneka okuphezulu, umthamo omkhulu kunye nexesha elide lokulinda, njl. Ngelo xesha, ngokusekelwe kulawulo lokhuseleko lomgodi, lunokusetyenziswa ukuqinisekisa ukhuseleko lomgodi kunye nokulawulwa kokhuseleko lomgodi.Kwangaxeshanye, ngokusekelwe kwimfuno enzima yolawulo lokhuseleko lomgodi, i-UWB iya kusetyenziswa kulawulo lwemihla ngemihla lwabasebenzi, kunye nomzila wemoto.Okwangoku, ilizwe linomlinganiselo othile wemigodi yamalahle malunga ne-4000 okanye kunjalo, kwaye imfuno ephakathi kwisikhululo sesiseko somgodi wamalahle ngamnye imalunga ne-100 okanye kunjalo, apho kunokuqikelelwa ukuba imfuno epheleleyo yesikhululo sesiseko somgodi wamalahle imalunga ne-100. I-400,000, inani labasebenzi basezimayini bamalahle ngokubanzi malunga ne-4 yezigidi zabantu okanye kunjalo, ngokutsho komntu o-1 ileyibhile, imfuno ye-UWB tags malunga ne-4 yezigidi okanye njalo.Ngokutsho komsebenzisi wangoku wokuthenga ixabiso lemarike enye, imarike yamalahle kwi-UWB "isikhululo sesiseko + ithegi" imarike ye-hardware malunga ne-4 yezigidigidi kwixabiso lemveliso.
Ukumbiwa kwemigodi kunye nokwembiwa kweemeko ezifanayo ezinobungozi obuphezulu kunye nokutsalwa kwe-oyile, amashishini ombane, izityalo zemichiza, njl. njl., iimfuno zolawulo lokhuseleko lokubeka iimfuno zokuchaneka ziphezulu, ukuchaneka kokubekwa kwe-UWB kunyuso lomgangatho we-millimeter kuya kunceda ukudibanisa iingenelo zayo kwiindawo ezinjalo.
Kwimizi-mveliso, ugcino, kunye neemeko zolungiselelo, i-UWB iye yaba sisixhobo sokunciphisa iindleko kunye nokusebenza kakuhle.Abasebenzi abasebenzisa izixhobo eziphathwa ngesandla ngetekhnoloji ye-UWB banokufumana ngokuchanekileyo ngakumbi kwaye babeke iindawo ezahlukeneyo;ukwakhiwa kwenkqubo yolawulo edibanisa itekhnoloji ye-UWB kulawulo lwendawo yokugcina impahla inokubeka iliso ngokuchanekileyo zonke iintlobo zezixhobo kunye nabasebenzi kwiindawo zokugcina iimpahla ngexesha langempela, kwaye bafezekise ulawulo lwempahla, ulawulo lwabasebenzi, kwaye kwangaxeshanye bafezekise izinto ezisebenzayo nezingenazimpazamo ingeniso ngezixhobo ze-AGV, ezinokuphucula kakhulu ukusebenza kakuhle kwemveliso.
Ukongeza, i-millimeter leap ye-UWB inokuvula usetyenziso olutsha kummandla wothutho lukaloliwe.Okwangoku, inkqubo yolawulo esebenzayo kaloliwe ixhomekeke ikakhulu ekumisweni kwesathelayithi ukuze igqitywe, ngenxa yemekobume yetonela engaphantsi komhlaba kwakunye nezakhiwo eziphakamileyo zasezidolophini, imiwonyo, kunye neminye imiboniso, ukuma kwesathelayithi kuthanda ukusilela.Itekhnoloji ye-UWB kuloliwe we-CBTC yokubeka kunye nokuhamba, ikholamu ekuthinteleni ukungqubana kunye nesilumkiso kwangethuba, ukumisa ukuchaneka kukaloliwe, njl.Okwangoku, olu hlobo lwesicelo eYurophu nase-United States lusasaze iimeko zesicelo.
Kwimarike ye-C-terminal, ukuchaneka kwe-UWB ukuya kuphuculo lwe-millimeter-level kuya kuvula iimeko ezintsha zesicelo ngaphandle kwezitshixo zedijithali zendawo yemoto.Umzekelo, ukupaka i-valet ngokuzenzekelayo, intlawulo ezenzekelayo, njalo njalo.Kwangaxeshanye, ngokusekwe kwitekhnoloji yobukrelekrele bokwenziwa, unokuza "ukufunda" iipatheni zentshukumo kunye nemikhwa yomsebenzisi, kunye nokuphucula ukusebenza kobuchwepheshe bokuqhuba ngokuzenzekelayo.
Kwicandelo lezinto zombane zabathengi, i-UWB inokuba yitekhnoloji eqhelekileyo yee-smartphones phantsi konxibelelwano lomatshini wemoto kwizitshixo zedijithali.Ukongeza ekuvuleni indawo ebanzi yesicelo sokubeka kunye nokukhangela iimveliso, ukuphuculwa kokuchaneka kwe-UWB kunokuvula indawo entsha yesicelo seemeko zokusebenzisana kwezixhobo.Umzekelo, uluhlu oluchanekileyo lwe-UWB lunokulawula ngokuchanekileyo umgama phakathi kwezixhobo, ukuhlengahlengisa ulwakhiwo lwendawo yokwenyani eyongeziweyo, kumdlalo, iaudio, kunye nevidiyo ukuzisa amava angcono oluvo.
Ixesha lokuposa: Sep-04-2023