I-GPS yangaphakathi

I-MOKOSmart ibonelela ngomphetho kwizisombululo zokubeka ngaphakathi endlini. Izixhobo zethu zidibanisa i-BLE, Wifi, ILoRa, IGPS, kunye nebhakana ukunika indawo echanekileyo kunye nolwazi lwentshukumo ngokuchaneka kwemitha engaphantsi 2.5 i-CM.

Yintoni iGPS yangaphakathi?

I-GPS imele i-Global Positioning System. Igama elithi GPS lidityaniswe ngokuchanekileyo ekumiselweni kwendawo yabasebenzisi bayo. Xa umntu ekhankanya iGPS kuwe, ngokuqinisekileyo uya kujonga ukuba ngubani okanye yintoni ekhoyo.

Ngokufanayo, I-GPS yangaphakathi ichazwa njengendawo yezinto ezikhethiweyo kwindawo evalelweyo – nokuba inkulu okanye incinci. Ukulandelela umkhondo we-GPS ngaphakathi kunceda ukujonga indawo esebenzayo okanye engenzi nto kwiiyunithi eziphawulweyo kwindawo okanye kwindawo yangaphakathi..

Ngokufanelekileyo, imisebenzi GPS yangaphakathi indawo, ixesha, ukwenza imaphu, kunye nokuhamba kweendawo zangaphakathi ezinje ngodederhu lweevenkile, izikhululo zeenqwelo moya, kunye nezinye izibonelelo.

Iimveliso

H2

Indoor Navigation Beacon

H2A

Indawo yeBhekhoni

M2

Ukurhweba ngeeBheyikhoni

Iimbonakalo

NgeGPS yangaphakathi, Nazi ezinye iimpawu ezinokulindelwa. Ezi mpawu zibonelela abanini ngokukwazi ukwenza i-plethora yemisebenzi ngokulula. Ngezi zikhoyo, Umsebenzisi abasebenzisi bayo baya kuba nakho ukonwabela izibonelelo ezininzi ezifunyenwe ngeGPS yangaphakathi. Iimpawu zezi;

  • Ukukwazi ukufikelela kwi-navigation ngaphandle kwe-intanethi
  • Umthamo ophezulu wokugcina ibhetri
  • Ifikeleleka ngokulula
  • Gcina idatha yakho yobuqu iyimfihlo
  • Inokubonwa lula kwiiBeacons
  • Idatha ingagcinwa ixesha elide
  • Izinga eliphezulu lokuchaneka
  • Umqondiso unokufunyanwa ngokuqhubekayo

Izinto eziluncedo

Kukho iintlobo ngeentlobo zeenzuzo ezinokonwatyiswa ngokusebenzisa iimodyuli zeGPS zangaphakathi. Ezi zibonelelo ziyohluka ukusuka kwizakhono ukuya kumda othe ngqo esibonelelwa kukuchaneka kweGPS yangaphakathi. Ezinye zezi nzuzo ziphawulwe ngezantsi;

  • Ulawulo lweziko luphuculwe
  • Ibonelela ngohlelo lobuhlobo olulungiselelwe abo bangaboni kakuhle
  • Abasebenzisi kunye nabathengi banokuqondwa ngcono
  • Ukusebenza kunokwenziwa ngokufanelekileyo
  • Ibonelela ngendawo echaneke kakhulu kwaye yandise ulungelelwaniso lwendawo
  • Ayinakuchukumiseka, ilula, kwaye scalable
  • Iququzelela ukubeka iliso ephilayo
  • Ixabiseke kakhulu kukhangelo lwe-asethi
  • Ulawulo kunye nocwangciso lomsitho lufanelekile
  • Ingasebenzisa iWiFi

Ukusetyenziswa

Xa kukho imfuneko yokufumana nokulawula indawo yee-asethi phakathi kweminye imisebenzi, i-GPS ephindayo yangaphakathi inokuba luncedo kakhulu. Siyazi ukuba itekhnoloji yesathelayithi yemveli kunye neGPS azisebenzi ngokugqibeleleyo kwiindawo ezivaliweyo kwaye azichanekanga kakhulu.. Ezi ndawo ziquka izikhululo zeenqwelomoya, iigaraji zokupaka, izakhiwo ezinemigangatho emininzi, iindledlana, kunye nezinye iindawo eziphantsi komhlaba.
Kwaye kulapho iGPS yangaphakathi ingena khona. Inyani yokuba iGPS yemveli ingasebenzi kakuhle ngaphakathi ayithethi ukuba akubalulekanga ukukhomba indawo ye-asethi ngaphakathi..

Ngubani onokuFumana kwi-GPS yangaphakathi?

Izithuba ezinkulu zangaphakathi kunokuba nzima ngakumbi ukunqumla intetho ngaphantsi kokuthatha ngokusebenzayo ii-asethi kunye nabantu. Nangona iminyaka emininzi yamava kwezi ndawo, ayiqhelekanga into yokuba abantu basalahlwa kwaye ngamanye amaxesha balahleke kuninzi lwezi zithuba. Ngoku cinga ngokuba lundwendwe kwaye uzame ukuhamba ngaphandle koncedo lwenkqubo yobudenge. Ke ngoko, I-GPS yangaphakathi luncedo olukhulu kubantu abakwezi ndawo kunye nemisebenzi elandelayo;

Ikhampasi
Ikhampasi
Imoli yokuthenga
Imoli yokuthenga
Umzi-mveliso
Umzi-mveliso
Amalungiselelo
Amalungiselelo
Indawo yokupaka
Indawo yokupaka
Esibhedlele
Esibhedlele
Ipaki yokonwabisa
Ipaki yokonwabisa
Imyuziyam
Imyuziyam
Indawo yokugcina impahla
Indawo yokugcina impahla
Isikhululo seenqwelomoya
Isikhululo seenqwelomoya
Inqanawe yokudada
Inqanawe yokudada
Ezomkhosi
Ezomkhosi

Iindidi zeTekhnoloji yokulandelela kwangaphakathi

Itekhnoloji yokulandela umkhondo yangaphakathi iyahluka ngenxa yokhetho lomsebenzisi, ixabiso leyunithi, kunye nofakelo. Itekhnoloji yokulandela umkhondo yangaphakathi isebenzisa uluhlu lwezixhobo ezibeka izinto kunye nabantu apho iGPS kunye netekhnoloji yesathelayithi ingasebenzi.. Izisombululo zokulandela umkhondo wangaphakathi zibandakanya ukufumana indlela, iinkqubo zendawo yexesha lokwenyani(I-RTLS), indawo yomphenduli wokuqala, kunye neenkqubo zolawulo lwempahla.

Kukho inani letekhnoloji yokulandela umkhondo eyahluka-hlukeneyo kodwa inceda ukumisela indawo yangaphakathi. Zezi;

Iinkqubo ezisekelwe kwiBluetooth: Le teknoloji yi-wireless, amandla aphantsi, kunye nekhonkco elikhawulezayo elisetyenziselwa ukudibanisa izixhobo eziphathwayo. Inika uqhagamshelo olungenazingcingo kwizixhobo ezininzi zenethiwekhi kumgama omfutshane.

Iinkqubo ze-Ultra-wideband: Ezi zikwabizwa ngokuba ziinkqubo ze-UWB. Bayakwazi ukuququzelela indawo yendawo echanekileyo ukuya kuthi ga 20 iisentimitha okanye ngaphantsi. Bahambisa imiqondiso yamandla aphantsi angaphazamisi ezinye ii-spectrum. Isebenzisa amaza onomathotholo akhethekileyo kwirediyo eyahlukileyo kumapolisa okanye kwiiselfowuni zikanomathotholo.

Iinkqubo zeRFID: Iisistim ze-RFID zokuchongwa kwamaza omoya erediyo ezisebenzisa amaza erediyo ukudlulisa idatha. Idatha ifakwe kwiikhowudi kwi-RFID iileyibhile okanye iithegi, eyenza ibe luncedo ngakumbi kuneteknoloji yokulandela i-asethi yebhakhowudi.

Iinkqubo ze-infrared: Kule nkqubo, into ehlala ikhupha imiqondiso ye-infrared iqhotyoshelwe kumzimba olandelwayo. I-CPU iyakwazi ukubala indawo yomqondiso okhutshiweyo ngokusetyenziswa konxantathu kunye nesalathiso somamkeli..

Iinkqubo ezisekelwe kwi-WiFi: Le yindlela elula apho indawo inokulandelwa ngokusetyenziswa kwe-WiFi. Ithegi yeWiFi idlulisela idatha yebhikhoni kwiindawo ezahlukeneyo zofikelelo. Emva koko, iseva yendawo iqokelela izitampu zexesha kwaye iguqulela idatha yendawo yokufikelela kunye nolwazi lwesitampu sexesha kwindawo.

Itekhnoloji yeZigbee: Oku kusebenzisa i-RSSI esisifinyezo “sesalathisi samandla esifunyenweyo." Itekhnoloji ye-Zigbee ye-wireless sensor isebenzisa i-RSSI, eyenza isebenze ekumiseleni indawo yangaphakathi kunye ne-LBS (iinkonzo ezisekelwe kwindawo). Ukusetyenziswa kwedatha yeminwe ingasetyenziselwa ukubala indawo yomntu ngaphakathi.

Itekhnoloji yeBeacon: Le teknoloji isebenzisa ii-transmitter ezincinci ezingenazintambo ze-BLE ukuthumela imiqondiso kubamkeli abakufutshane. Ngale nkqubo, ukusebenzisana okusekwe kwindawo kunye nokubekwa kunokuchazwa ngokuchanekileyo nangokulula.

Itekhnoloji ye-Ultrasound: Le teknoloji isebenzisa inkqubo ye-ultrasound ekwazi ukulandelela indawo yomzimba okhuphayo. Iinzwa ze-Ultrasound ziqeshwe ukulandelela indawo yesignali ye-ultrasound.

Isebenza njani iGPS?

I-Global Positioning System isebenza ngokufumana iimpawu zesathelayithi ezisetyenziselwa ukubala indawo. Ukungaqiniseki rhoqo okukhapha indawo yokubala malunga ne-±4.2 kHz ukusuka kwisignali yeGPS eqatshelweyo.. I-GPS isebenzisa ulungelelwaniso ukubona uphawu. Umqondiso wencopho awubikho kwimeko apho ukuphindaphinda kokulibaziseka kwekhowudi kungalunganga. Ukhangelo lwesiginali lwenziwa ngokulibaziseka kwekhowudi kunye namaxesha, eyaziwa ngokuba yimigqomo.

Kwimeko, umamkeli uyakwazi ukukhomba indawo njengoko evavanya umgama phakathi kwesathelayithi esetyenziswayo nawe. Ukuze indawo yakho imiselwe 3 imilinganiselo, uzakufuna ubuncinci be 4 iisathelayithi. Kwaye indawo okuyo ifunyanwa kusetyenziswa iwotshi yeathom kwisathelayithi ephindaphinda isantya sophawu. Isathelayithi enye imisela isantya sophawu lwexesha, ngelixa ezintathu zesathelayithi zezokufumana i-x, Y, kunye no-z abalungelelanisi.

Kwiimeko ezihambelanayo, Imiqondiso evela kwiisathelayithi ezijikeleza umhlaba ithunyelwa kumgama omalunga neekhilomitha ezingama-20,000. Kucacile ukuba ngenxa yomgama, ilahleko yendawo yasimahla iya kunciphisa inqanaba lamandla lophawu. Yiyo loo nto iisignali ze-GPS eziqhelekileyo zingenakuxhomekeka kwiindawo ezivaliweyo okanye ezingaphakathi endlini kuba ilahleko yesiginali iba nkulu ngakumbi. Kungenxa yoko le nto iziphindaphindo ze-GPS zangaphakathi zisetyenziselwa iinkqubo zokubeka ngaphakathi kwe-GPS.

I-eriyali

Ukuze iGPS isebenze ngokuchanekileyo, kukho imfuneko yohlobo olulodwa lwe-eriyali. I-eriyali yeGPS yesiqhelo esetyenziswa njengomamkeli isetyhula kwaye isebenza njenge patch yepolarized microstrip.. Isebenza kwiqela le-L1 le 1575 MHz. Incinci kakhulu, enobukhulu obuyi-25mm x 25mm ngenxa yezinto ezingaphantsi kwe-dielectric constant (=r = 25). Ngokufanelekileyo, i-eriyali sisinyithi esiqhubayo esisebenza ngamandla xa sibethwe ngamaza ombane.

Inkqubo edibeneyo

Indibaniselwano yamacandelo amancinci enkqubo izisa oku malunga nokuvula inkqubo. Iqulethe izixhobo zombane ezahlukeneyo ezilandela iinjongo zeGPS, njengokufunda imiqondiso efanelekileyo kunye nokujonga ezo zingafunwayo. Ngeyona ndlela isisiseko, inkqubo ehlanganisiweyo iya kubandakanya idikhowuda yomqondiso, isihluzo, kunye nesiphumo sonxibelelwano.

Inkqubo yonxibelelwano

Inkqubo kufuneka ikwazi ukudlulisa ulwazi phakathi kwamacandelo ayo amaninzi ngenjongo yokuphumeza injongo. Ke ngoko, iprothokholi yonxibelelwano ibekwe endaweni ukuze amaziko amaninzi abandakanyeke kwiGPS. Iprotocol yonxibelelwano yazisa inkqubo yokugqibela okanye umsebenzisi. Umzekelo yiprotocol efumana ifomathi yolwazi equlethe umgangatho wophawu, ulungelelaniso, kunye nesantya.

Hardware of Indoor Positioning System

Ihardware (amalungu omzimba) ye-IPS yenza inkqubo ye-Indoor GPS iyonke. La malungu a:

I-antenna yeGPS yomkhombandlela

Njengoko bekutshiwo ngaphambili kwii-eriyali, oku kufunyanwa kwi-GPS yesiqhelo ekhutshiweyo. Yenziwe nge-aluminiyam ye-conical reflector enceda ukunyusa ulwalathiso okanye ukubeka.

Izikhulisi zeNgxolo ePhantsi

Eli candelo lezixhobo ze-IPS lenza ukusetyenziswa kwezandisi zesandi ezisezantsi ezimbalwa ezikwaziyo ukunciphisa izandi eziphezulu..

Imbuyekezo yelahleko yangaphakathi

Oku kuluncedo xa kukho ilahleko yomqondiso, kwaye ibala ukuba i-amplifier iluncedo kangakanani kwinkqubo ye-Indoor GPS.

Ukuphunyezwa kweNethiwekhi yeHlabathi liphela

Oku kukukwazi kwenethiwekhi yeGPS ukusebenza ngokugqibeleleyo ngaphakathi endlwini kunye nomsebenzi wokubala umncedisi wezikhundla.. Iisathelayithi zeGPS zidla ngokuthumela idatha enokuthi iguqulelwe ngumamkeli okhoyo ngokucacileyo phambi kwesathelayithi. Iqela leenkwenkwezi zeGPS ngoku libonisa inani 28 iisathelayithi kwi-orbit. Ukufumana yonke idatha ephilayo, umamkeli kufuneka abone zonke kuphela 28 iisathelayithi kwi-orbit ngaxeshanye.

Ukwenza oku, eyona ndlela inexabiso eliphantsi nesebenzayo inokuba kukufikelela kuthungelwano lwehlabathi lonke olunezikhululo zeGPS. Ezi zikhululo zesalathiso ze-GPS zisebenza njenge-conduit yedatha kwiseva. Le nethiwekhi inokuhoya nasiphi na isixa sezixhobo ze-A-GPS ezinokuthi ziyifune kwaye naphi na. I-Mokosmart iphuhlise le nethiwekhi kwaye yayisebenzisa.

Yintoni eyenza le nethiwekhi kunye neseva ibe yinto entsha：Ibandakanya inethiwekhi engafunekiyo ngokupheleleyo enezikhululo kwihlabathi liphela. Oku kwenzelwa ukuba yonke iseva yeGPS i “iboniwe” ubuncinci bezikhululo ezibini ezahlukeneyo ngalo naliphi na ixesha.

Ngale nkqubo, umncedisi uya kufuna imilinganiselo yesathelayithi embalwa ukubala indawo ngokupheleleyo. Oku kwenziwa yimodeli yomhlaba wonke yomhlaba, enceda ekuphuculeni ukuchaneka nokuba kumhlaba ongagungqiyo. Isebenzisa amanqaku adityanisiweyo aneegridi ezifikelela kwibhiliyoni enye ezibonelela ngokuchaneka ukuya kuthi ga 18 iimitha ukuphakama.

Iseva ayifuni iithegi zexesha ezichanekileyo zeGPS ukubala indawo ngenxa yemilinganiselo ye-GPS pseudorenji. Iyakwazi ukusebenza kuso nasiphi na isixhobo, nokuba ngubani na.

Indlela yokuLungisa izixhobo ze-GPS zangaphakathi

Le yindlela entsha ye-GPS yangaphakathi esebenzisa i-convolutions ephilayo yeempawu ze-GPS ezisebenza kwiintlobo ezahlukeneyo zokulibaziseka kwekhowudi.. Isebenza kanjani lento? Umamkeli weGPS wemveli unokubeka iliso kwitshiphu enye nje ukulibaziseka kwekhowudi ngexesha. Umamkeli kuya kufuneka scan, emva koko ufumane isignali phambi kokuba ukulandelela kuqalise.
Olu yilo lutsha lulahla imfuneko yokulandela umkhondo kunye nezigaba zokufunyanwa ngenxa yokuba luqhuba ukubala okuphilayo.. Olu lubalo luqhubekeka 2000 izinxibelelanisi kwisathelayithi nganye, ukwenza ukubala ngokupheleleyo, real-time convolution. Xa isetyenziswa ngaphandle, inokufumana umqondiso phantse ngokukhawuleza. Ukuphelelwa ngamandla kwiindawo ezingaphakathi kwenza ukuba umkhondo weGPS ube buthathaka kakhulu, kodwa olu yilo lutsha luyakwenza ukudityaniswa okuqhubekayo nokuba nophawu oluphelayo.

Indlela yokuLungisa izixhobo ze-GPS zangaphakathi

Kufuneka kuthathwe amanyathelo angaphezulu ukufumana okona kulungileyo kwiGPS yangaphakathi ukufumana iziphumo. Njengokuba, i-eriyali iya kufuneka ibekwe phezu kophahla lwendawo yangaphakathi. Amanqaku aphezulu kwisakhiwo aya kubamba i-eriyali, eya kuqhagamshelwa kwi-indoor repeater. Olu xhulumaniso luya kwenziwa ukuba lunokwenzeka ngokuqesha intambo ye-coaxial feeder esetyenziselwa ukuhambisa umqondiso.

Umsebenzi ophindayo njengerediyetha kwakhona yomqondiso kwindawo yangaphakathi. Isiphindaphindo se-GPS sisasaza umqondiso we-GPS ophilayo ukusuka ngaphandle kwendawo ukuya ngaphakathi. Ingaba sisakhiwo esiqhelekileyo okanye indawo; indawo evaliweyo iya kuba nakho ukubonelela ngembono yesibhakabhaka ngexesha langempela. Lo mbono wesibhakabhaka uphila uya kwenza ukuba ngaphakathi kufikeleleke kuye nawuphi na umamkeli weGPS okusingqongileyo.

I-eriyali
I-eriyali
Iseti yangaphakathi yeGPS yokuphinda
Iseti yangaphakathi yeGPS yokuphinda
Intambo ye-coaxial feeder
Intambo ye-coaxial feeder
Indawo esembindini yokulandela umkhondo
Indawo esembindini yokulandela umkhondo

Indlela yokuLungisa izixhobo ze-GPS zangaphakathi

Kukho umngeni omnye omkhulu ojongene neGPS yangaphakathi, kwaye luphawu olubuthathaka lokuqhubekeka. Inkalo yokuqala yalo mngeni kukufumana, eyesibini iluhambo oluninzi, kwaye eyesithathu ibuthathaka / intsebenziswano yomqondiso onamandla.

Ukufumana: Isiginali engenayo inokukhangelwa kwimilinganiselo emibini ebandakanya ukulibaziseka kwekhowudi kunye ne-Doppler frequency. Ukukhangela kubandakanya ixabiso leDoppler elijikwa phantsi ngokuliphinda-phinda ngekhowudi yeCDMA yesathelayithi eyenziwa ekuhlaleni.. Ukulibaziseka kwahluka; kungoko inkqubo kubhekiswa kuyo njenge “ehambelanayo.” Amaxesha okudibanisa ngamaqela emiqondiso engenayo apho uphando lwenziwa khona. Xa iimpawu zibuthathaka, ixesha lokulungelelaniswa kufuneka landiswe ukuze umlinganiselo wesignali-kwingxolo kwisiphumo uphuculwe.

Iindlela ezininzi: Xa kusetyenziswa iGPS yangaphandle, I-multipath ibonwa ngobulali, ukuba kunjalo. I-Multipath yimbonakaliso yaloo mveliso, ikopi ebuthathaka yomqondiso othe ngqo kunye nowokuqala womgca wokubona. Esi sehlo siba mandundu kakhulu xa iGPS isetyenziswa ngaphakathi. Ukubonakaliswa kunokuba kubi kangangokuba kudlule umqondiso othe ngqo xa usetyenziswa ngaphakathi.

Ukusebenzisana komqondiso obuthathaka/owomeleleyo: Le yimeko eyenzekayo xa umamkeli etshixa kwincopho yonxulumano olunqamlezileyo okanye umqondiso ongalunganga ngokuchasene nencopho yolungelelwaniso oluzenzekelayo lwesignali elungileyo.. Ukunqanda oku kunokwenzeka xa uphawu olunamandla lufunyenwe ngokuthe ngqo kwaye lususwe ngaphambi kokufumana uphawu olubuthathaka..

Qhagamshelana nathi