Ngo-2021, ukwakhiwa nokuthuthukiswa kwenethiwekhi yomhlaba wonke ye-5G kwenze impumelelo enkulu.Ngokusho kwedatha ekhishwe yi-GSA ngo-Agasti, ngaphezu kwe-175 opharetha emazweni angaphezu kwe-70 nezifunda ziye zaqalisa izinsizakalo zezohwebo ze-5G.Kunabasebenzi abangama-285 abatshala imali ku-5G.Ijubane lokwakhiwa kwe-5G yaseChina lihamba phambili emhlabeni.Inombolo yeziteshi ze-5G e-China idlule isigidi esisodwa, yafinyelela ku-1159000 emangalisayo, ebalwa ngaphezu kwe-70% yomhlaba.Ngamanye amazwi, kuzo zonke iziteshi ezintathu eziyisisekelo ze-5G emhlabeni, ezimbili zitholakala eChina.
Isiteshi esiyisisekelo se-5G
Ukuthuthukiswa okuqhubekayo kwengqalasizinda yenethiwekhi ye-5G kusheshise ukufika kwe-5G ku-inthanethi yabathengi kanye ne-inthanethi yezimboni.Ikakhulukazi embonini eqondile, kunamacala ezicelo angaphezu kwe-10000 5G e-China, ahlanganisa izinkambu eziningi ezifana nokukhiqizwa kwezimboni, amandla namandla, amachweba, izimayini, ezokuthutha kanye nezokuthutha.
Akungabazeki ukuthi i-5G isiphenduke isikhali esibukhali sokuguqulwa kwedijithali kwamabhizinisi asekhaya kanye nenjini yokuthuthukiswa kwekhwalithi ephezulu yomnotho wedijithali emphakathini wonke.
Kodwa-ke, ngenkathi izinhlelo zokusebenza ze-5G zisheshiswa, sizothola ukuthi ubuchwepheshe obukhona be-5G sebuqale ukukhombisa isimo "sokungakwazi" kwezinye izimo zohlelo lokusebenza lwemboni ekhethekile.Ngokwezinga, umthamo, ukubambezeleka nokuthembeka, ayikwazi ukuhlangabezana nezidingo ezingu-100% zesimo.
Kungani?Ingabe i-5G, elindelwe kakhulu abantu, isenzima ukuba umthwalo omkhulu?
Vele akunjalo.Isizathu esikhulu sokuthi kungani i-5G "inganele" ukuthi sisebenzisa kuphela "uhhafu we-5G".
Ngikholwa ukuthi abantu abaningi bayazi ukuthi nakuba izinga le-5G liwukuphela kwalo, kunamabhendi amabili okuvama.Eyodwa ibizwa nge-sub-6 GHz band, futhi ububanzi befrikhwensi ingaphansi kuka-6GHz (ngokunembile, ngaphansi kuka-7.125Ghz).Enye ibizwa nge-millimeter wave band, futhi ububanzi befrikhwensi bungaphezulu kuka-24GHz.
Ukuqhathaniswa kobubanzi bamabhendi amabili okuvama
Njengamanje, i-5G kuphela yebhendi ye-sub-6 GHz etholakala ngokwentengiso e-China, futhi ayikho i-5G yebhendi ye-millimeter wave yezentengiso.Ngakho-ke, wonke amandla e-5G awakakhululwa ngokuphelele.
Izinzuzo zobuchwepheshe ze-millimeter wave
Nakuba i-5G kubhendi ye-sub-6 GHz kanye ne-5G ku-millimeter wave band iyi-5G, kunomehluko omkhulu ezicini zokusebenza.
Ngokolwazi olusezincwadini zefiziksi yesikole samabanga aphakathi, lapho iphakama imvamisa yamagagasi kagesi angenantambo, iba mfishane ubude begagasi, futhi iba mbi nakakhulu ikhono lokwehlukanisa.Ngaphezu kwalokho, ukuphakama kwemvamisa, kukhulu ukulahleka kokungena.Ngakho-ke, ukumbozwa kwe-5G kwe-millimeter wave band ngokusobala kubuthakathaka kunokuqala.Lesi isizathu esiyinhloko esenza kungabi khona igagasi lemilimitha lezentengiselwano okokuqala ngqa e-China, futhi kuyisizathu esenza abantu babuze igagasi lemilimitha.
Eqinisweni, umqondo ojulile kanye neqiniso lale nkinga akufani neze nomcabango wawo wonke umuntu.Ngamanye amazwi, empeleni sinokubandlulula okungalungile mayelana namagagasi angamamilimitha.
Okokuqala, ngokombono wezobuchwepheshe, kufanele sibe nokuvumelana, okungukuthi, ngaphansi kwesisekelo sokuthi akukho shintsho oluguquguqukayo kumbono okhona wokuxhumana oyisisekelo, uma sifuna ukuthuthukisa ngokuphawulekayo izinga lenethiwekhi kanye nomkhawulokudonsa, singenza kuphela udaba ku-spectrum.
Ukufuna izinsiza ze-spectrum ezinothile kumabhendi amafrikhwensi aphezulu kuyisinqumo esingenakugwenywa sokuthuthukiswa kobuchwepheshe bezokuxhumana ngomakhalekhukhwini.Lokhu kuyiqiniso kumaza amamilimitha manje kanye ne-terahertz engasetshenziselwa i-6G ngokuzayo.
Umdwebo wesikimu we-millimeter wave spectrum
Njengamanje, ibhendi engaphansi kwe-6 GHz inomkhawulokudonsa omkhulu ongu-100MHz (ngisho no-10MHz noma 20MHz kwezinye izindawo phesheya).Kunzima kakhulu ukufeza izinga le-5Gbps noma i-10Gbps.
Ibhendi ye-5G millimeter wave ifinyelela ku-200mhz-800mhz, okwenza kube lula kakhulu ukufeza lezi zinhloso ezingenhla.
Kungekudala, ngo-Agasti 2021, i-Qualcomm yahlangana ne-ZTE ukuze ithole uxhumano olubili lwe-5G SA (nr-dc) okokuqala ngqa e-China.Ngokusekelwe kusiteshi senkampani yenethiwekhi esingu-200MHz kubhendi yegagasi ye-26ghz millimeter kanye nomkhawulokudonsa ongu-100MHz kubhendi engu-3.5GHz, i-Qualcomm isebenze ndawonye ukuze kuzuzwe izinga eliphakeme lomsebenzisi oyedwa lokuxhumanisa elingaphezu kuka-2.43gbps.
Lezi zinkampani ezimbili futhi zisebenzisa ubuchwepheshe bokuhlanganisa inkampani yenethiwekhi ukuze kuzuzwe izinga eliphakeme lomsebenzisi oyedwa lokuxhumanisa phansi elingaphezu kuka-5Gbps ngokususelwe eziteshini zenethiwekhi ezine ze-200MHz kubhendi yegagasi ye-26ghz millimeter.
NgoJuni kulo nyaka, embukisweni we-MWC Barcelona, i-Qualcomm yabona izinga eliphakeme elingafika ku-10.5Gbps ngokusebenzisa i-Xiaolong X65, ukuhlanganisa kwesiteshi esingu-8 okusekelwe kubhendi yegagasi elingu-n261 millimeter (umkhawulokudonsa wenkampani yenethiwekhi eyodwa engu-100MHz) kanye nomkhawulokudonsa ongu-100MHz kubhendi ye-n77.Leli izinga lokuxhumana kwamaselula elishesha kakhulu embonini.
I-bandwidth yenkampani yenethiwekhi eyodwa engu-100MHz no-200MHz ingafinyelela lo mphumela.Ngokuzayo, ngokusekelwe kusithwali esisodwa esingu-400MHz kanye no-800MHz, ngokungangabazeki izofinyelela izinga elidlula kude i-10Gbps!
Ngaphezu kokwenyuka okuphawulekayo kwesilinganiso, enye inzuzo ye-millimeter wave ukubambezeleka okuphansi.
Ngenxa yesikhala senkampani engaphansi, ukubambezeleka kwegagasi elingu-5G millimeter kungaba ikota eyodwa yaleyo ye-sub-6ghz.Ngokusho kokuqinisekisa ukuhlolwa,
ukubambezeleka kokusebenzelana komoya kwegagasi elingu-5G millimeter kungaba ngu-1ms, futhi ukubambezeleka kohambo olubuyayo kungaba ngu-4ms, okuyinto enhle kakhulu.
Inzuzo yesithathu ye-millimeter wave ubukhulu bayo obuncane.
Ubude begagasi begagasi eliyimilimitha bufushane kakhulu, ngakho-ke i-antenna yalo mfushane kakhulu.Ngale ndlela, umthamo wemishini yama-millimeter wave ungancishiswa ngokwengeziwe futhi unezinga eliphakeme lokuhlanganisa.Ubunzima babakhiqizi bokuklama imikhiqizo buncishisiwe, okulungele ukukhuthaza ukwenziwa kancane kweziteshi eziyisisekelo namatheminali.
I-Millimeter wave antenna (izinhlayiya eziphuzi ziyi-antenna oscillator)
Ama-antenna aminyene ngezinga elikhulu kanye nama-oscillator e-antenna amaningi nakho kuzuzisa kakhulu ekusetshenzisweni kokwenza uhlaka.I-beam ye-millimeter wave antenna ingadlalela kude futhi inekhono eliqinile lokulwa nokuphazamiseka, elisiza ekwakhekeni kokubi kokumbozwa.
Ama-oscillator amaningi, ugongolo luba mncane futhi ibanga elide
Inzuzo yesine ye-millimeter wave ikhono layo lokuma ngokunemba okuphezulu.
Ikhono lokuma lesistimu engenantambo lihlobene eduze nobude bayo beza.Lapho ubude begagasi bufushane, buphakama ukunemba kokuma.
Ukuma kwegagasi okuyimilimitha kunganemba kuye kuleveli yesentimitha noma kube phansi.Yingakho izimoto eziningi manje zisebenzisa i-millimeter wave radar.
Ngemva kokusho izinzuzo ze-millimeter wave, ake sibuyele emuva futhi sikhulume ngobubi be-millimeter wave.
Noma ibuphi ubuchwepheshe (bezokuXhumana) bunobuhle kanye nobubi babo.Ububi begagasi lemilimitha ukuthi linokungena okubuthakathaka nokumboza okufushane.
Ngaphambilini, sishilo ukuthi i-millimeter wave ingathuthukisa ibanga lokumboza ngokuthuthukisa ukwenza i-beamforming.Ngamanye amazwi, amandla enani elikhulu lezimpondo agxiliswe ohlangothini oluthile, ukuze kuthuthukiswe isignali endaweni ethile.
Manje i-millimeter wave isebenzisa i-antenna yohlu oluzuzisa kakhulu ukuze ihlangabezane nenselele yokuhamba ngobuchwepheshe be-multi beam.Ngokwemiphumela esebenzayo, i-analogi ekhanyayo esekela i-beam ewumngcingo inganqoba ngempumelelo ukulahleka kwendlela ebalulekile kubhendi yefrikhwensi engaphezu kuka-24GHz.
Uhlu lwe-antenna oluqondisayo lwenzuzo ephezulu
Ngaphezu kokwenza i-beamforming, i-millimeter wave multi beam ingabona kangcono ukushintsha kwe-beam, ukuqondiswa kwe-beam kanye nokulandela umkhondo.
Ukushintsha i-beam kusho ukuthi itheminali ingakhetha imishayo yekhandidethi efaneleke kakhudlwana ukuze ishintshwe ngokunengqondo endaweni eshintsha njalo ukuze kuzuzwe umphumela wesignali ongcono.
Ukuqondiswa kwebhimu kusho ukuthi itheminali ingashintsha isiqondiso sebhimu ye-uplink ukuze ifane nendawo yesehlakalo ukusuka ku-gnodeb.
Ukulandelela ibhimu kusho ukuthi itheminali ingakwazi ukuhlukanisa imishayo ehlukene ku-gnodeb.I-beam ingahamba nokuhamba kwetheminali, ukuze kuzuzwe ukuzuza okuqinile kwe-antenna.
I-Millimeter wave ethuthukisiwe amandla okuphatha i-beam ingathuthukisa ngempumelelo ukuthembeka kwesignali futhi izuze ukuzuza kwesignali enamandla.
Igagasi eliyimilimitha lingase futhi lisebenzise ukuhlukahluka kwendlela ukuze libhekane nenkinga yokuvimba ngokuhlukahluka okume mpo kanye nokuhlukahluka okuvundlile.
Ukuboniswa komthelela wokulingisa wokuhlukahluka kwendlela
Ohlangothini lwetheminali, ukuhlukahluka kwe-antenna yetheminali kungase futhi kuthuthukise ukwethembeka kwesignali, kudambise inkinga yokuvinjwa kwesandla, futhi kunciphise umthelela obangelwa ukuma okungahleliwe komsebenzisi.
Ukuboniswa komthelela wokulingisa wokuhlukahluka kwetheminali
Ukufingqa, ngocwaningo olujulile lobuchwepheshe bokubonisa amaza amamilimitha kanye nokuhlukahluka kwendlela, ukumbozwa kwegagasi lemilimitha kuye kwathuthukiswa kakhulu futhi ukudluliswa kwe-non line of sight (NLOS) kuye kwatholakala ngobuchwepheshe obuthuthuke kakhulu be-multi beam.Ngokuphathelene nobuchwepheshe, i-millimeter wave ixazulule ibhodlela yangaphambilini futhi iba ngabantu abavuthiwe, abangahlangabezana ngokugcwele nesidingo sokuhweba.
Mayelana nochungechunge lwezimboni, i-5Gi-millimeter wave nayo ivuthiwe kakhulu kunalokho ocabanga ngakho.
Ngenyanga edlule, uFuchang Li, umqondisi wesikhungo sokucwaninga ubuchwepheshe obungenawaya e-China Unicom Research Institute, wakwenza kwacaca ukuthi "okwamanje, ikhono le-millimeter wave industry chain selivuthiwe."
Embukisweni we-MWC Shanghai ekuqaleni konyaka, opharetha basekhaya babuye bathi: "Ngokwesekwa kwe-spectrum, amazinga kanye nezimboni, i-millimeter wave yenze inqubekelaphambili yezohwebo. Ngo-2022, i-5Gi-millimeter wave izoba namandla amakhulu okuhweba."
Isicelo se-Millimeter wave sifakiwe
Ngemva kokuqeda izinzuzo zobuchwepheshe ze-millimeter wave, ake sibheke izimo zayo ezithile zohlelo lokusebenza.
Njengoba sonke sazi, into ebaluleke kakhulu ukusebenzisa ubuchwepheshe "ukuthuthukisa amandla nokugwema ubuthakathaka".Ngamanye amazwi, ubuchwepheshe kufanele busetshenziswe esimweni esinganikeza ukudlala ngokugcwele ezinzuzweni zabo.
Izinzuzo ze-5G millimeter wave izinga, umthamo kanye nokubambezeleka kwesikhathi.Ngakho-ke, ifaneleka kakhulu ezikhumulweni zezindiza, iziteshi, amatiyetha, izindawo zokuzivocavoca nezinye izindawo eziminyene, kanye nezigcawu zemboni ezima mpo ezizwela kakhulu ukubambezeleka kwesikhathi, njengokukhiqiza izimboni, isilawuli kude, i-inthanethi yezimoto nokunye.
Ngokuphathelene nezinkambu ezithile zohlelo lokusebenza, okungokoqobo okungokoqobo, ukufinyelela okushesha kakhulu, okuzenzakalelayo kwezimboni, impilo yezokwelapha, ezokuthutha ezihlakaniphile, njll. zonke izindawo lapho kungasetshenziswa igagasi le-5G millimeter.
Ukuze ukusetshenziswa Internet.
Kubasebenzisi abajwayelekile ngabanye, isidingo esikhulu somkhawulokudonsa sivela kuvidiyo futhi isidingo sokulibaziseka esikhulu kakhulu sivela emidlalweni.I-VR / AR Technology (into engekho ngokoqobo / into engekho ngokoqobo) inezidingo ezimbili zomkhawulokudonsa nokubambezeleka.
Ubuchwepheshe be-VR/AR buthuthuka ngokushesha, okuhlanganisa ne-metauniverse esanda kushisa kakhulu, nayo ehlobene eduze nabo.
Ukuze uthole okuhlangenwe nakho okuhle kakhulu nokuqeda ngokuphelele isiyezi, ukulungiswa kwevidiyo ye-VR kufanele kube ngaphezu kuka-8K (ngisho no-16K no-32K), futhi ukubambezeleka kufanele kube phakathi kuka-7ms.Akungabazeki ukuthi i-5G millimeter wave iwubuchwepheshe obufaneleka kakhulu bokudlulisa okungenantambo.
U-Qualcomm no-Ericsson benze ukuhlolwa kwe-XR okusekelwe ku-5G millimeter wave, iletha ozimele abangu-90 ngomzuzwana kanye no-2K kumsebenzisi ngamunye × okuhlangenwe nakho kwe-XR ngokulungiswa okungu-2K, nokubambezeleka okungaphansi kuka-20ms, kanye nokuphuma kwe-downlink okumaphakathi okungaphezu kuka-50Mbps.
Imiphumela yokuhlola ibonisa ukuthi i-gnodeb eyodwa kuphela enomkhawulokudonsa wesistimu we-100MHz engasekela ukufinyelela kwe-5G kwabasebenzisi abayisithupha be-XR ngesikhathi esisodwa.Ngokusekelwa izici ze-5G esikhathini esizayo, kuthembisa kakhulu ukusekela ukufinyelela ngasikhathi sinye kwabasebenzisi abangaphezu kwe-12.
Ukuhlolwa kwe-XR
Esinye isimo esibalulekile sohlelo lokusebenza lwe-5G millimeter wave surface kubasebenzisi be-C-end ukusakazwa bukhoma kwemicimbi yezemidlalo emikhulu.
NgoFebhuwari 2021, umdlalo wamanqamu wesizini yebhola laseMelika “isitsha esikhulu” wawubanjelwe eRaymond James Stadium.
Ngosizo lwe-Qualcomm, i-Verizon, u-opharetha wase-US owaziwa kakhulu, yakhe inkundla yezemidlalo ye-inthanethi esheshayo emhlabeni ngokusebenzisa ubuchwepheshe be-5G millimeter wave.
Ngesikhathi somncintiswano, inethiwekhi ye-5G millimeter wave ithwale ngaphezu kwe-4.5tb yengqikithi yethrafikhi.Kwezinye izimo, izinga eliphezulu laliphezulu njenge-3gbps, cishe izikhathi ezingu-20 kune-4G LTE.
Mayelana nesivinini se-uplink, lesi sitsha esikhulu siwumcimbi wokuqala obalulekile emhlabeni kusetshenziswa i-5G millimeter wave uplink transmission.Isakhiwo sefreyimu ye-millimeter wave siyavumelana nezimo, futhi isilinganiso sozimele we-uplink ne-downlink singalungiswa ukuze kuzuzwe umkhawulokudonsa ophezulu we-uplink.
Ngokusho kwedatha yasensimini, ngisho nasemahoreni aphezulu, i-5G millimeter wave ingaphezulu kuka-50% ngokushesha kune-4G LTE.Ngosizo lwekhono eliqinile le-uplink, abalandeli bangalayisha izithombe namavidiyo ukuze babelane ngezikhathi ezimangalisayo zegeyimu.
I-Verizon iphinde idale uhlelo lokusebenza lokuxhasa abalandeli ukuthi babukele imidlalo ebukhoma ye-HD yeziteshi ezingu-7 ngesikhathi esisodwa, futhi amakhamera angu-7 ethula imidlalo evela ema-engeli ahlukene.
Ngo-2022, kuzovulwa Imidlalo yama-Olympic Yasebusika yama-24 e-Beijing.Ngaleso sikhathi, ngeke kube khona kuphela ukufinyelela kanye nesidingo sethrafikhi esilethwa omakhalekhukhwini bezethameli, kodwa futhi nesidingo sedatha yokubuyisela elethwa ukusakazwa kwabezindaba.Ikakhulukazi, isignali yevidiyo ye-4K HD eneziteshi eziningi kanye nesignali yevidiyo yekhamera ye-panoramic (esetshenziselwa ukubukwa kwe-VR) ibeka inselele enkulu kumkhawulokudonsa we-uplink wenethiwekhi yokuxhumana yeselula.
Ukuphendula lezi zinselelo, i-China Unicom ihlela ukuphendula ngenkuthalo ngobuchwepheshe be-5G millimeter wave.
NgoMeyi kulo nyaka, i-ZTE, i-China Unicom kanye ne-Qualcomm yenze isivivinyo.Kusetshenziswa i-5G millimeter wave + isakhiwo esikhulu sozimele we-uplink, okuqukethwe kwevidiyo ye-8K okuqoqwe ngesikhathi sangempela kungadluliswa ngokuzinzile, futhi ekugcineni kwamukelwe ngempumelelo futhi kudlalelwe emuva ekugcineni kokwamukela.
Ake sibheke isimo sesicelo somkhakha esime mpo.
I-5G millimeter wave inethuba elibanzi lohlelo lokusebenza ku-tob.
Okokuqala nje, i-VR/AR okukhulunywe ngayo ngenhla ingasetshenziswa nasembonini ye-tob.
Isibonelo, onjiniyela bangakwazi ukuhlola amathuluzi ezindaweni ezahlukene nge-AR, banikeze isiqondiso esikude konjiniyela ezindaweni ezihlukene, futhi benze ukwamukela ukude kwezimpahla ezindaweni ezahlukene.Ngesikhathi sobhubhane, lezi zinhlelo zokusebenza zingasiza amabhizinisi ukuxazulula izinkinga ezingokoqobo futhi zehlise kakhulu izindleko.
Bheka uhlelo lokubuyisela ividiyo.Manje imigqa eminingi yokukhiqiza yasefekthri ifake inombolo enkulu yamakhamera, kuhlanganise namakhamera anencazelo ephezulu ukuze ahlolwe ikhwalithi.Lawa makhamera athatha inombolo enkulu yezithombe zomkhiqizo ezinencazelo ephezulu ukuze ahlaziye amaphutha.
Isibonelo, i-COMAC yenza ukuhlaziya ukuqhekeka kwensimbi kumajoyinti okuthengisa umkhiqizo kanye nezindawo ezifuthwe ngale ndlela.Ngemuva kokuthi izithombe sezithathiwe, zidinga ukulayishwa efwini noma epulatifomu yekhompuyutha enqenqemeni ye-MEC, ngesivinini esiphakamayo esingu-700-800mbps.Yamukela i-5G millimeter wave enkulu yohlaka lohlaka lwe-uplink, olungaphathwa kalula.
Esinye isigcawu esisondelene kakhulu nobuchwepheshe begagasi begagasi be-5G i-AGV imoto engenamuntu.
I-5G millimeter wave isekela ukusebenza kwe-AGV
I-AGV empeleni iyisigameko esincane sokushayela esingenamuntu.Ukuma kwe-AGV, ukuzulazula, ukuhlela nokugwema izithiyo kunezidingo eziphakeme zokulibaziseka kwenethiwekhi nokuthembeka, kanye nezidingo eziphezulu zekhono lokuma elinembile.Inombolo enkulu yezibuyekezo zemephu yesikhathi sangempela ye-AGV iphinde ibeke phambili izidingo zomkhawulokudonsa wenethiwekhi.
I-5G millimeter wave ingahlangabezana ngokugcwele nezimfuneko ezingenhla zezimo zohlelo lokusebenza lwe-AGV.
NgoJanuwari 2020, u-Ericsson kanye ne-Audi bahlole ngempumelelo umsebenzi we-5G urlc kanye nohlelo lokusebenza olusebenzayo lokuzishintsha kwezimboni olusekelwe ku-5G millimeter wave elabhorethri yefekthri eKista, eSweden.
Phakathi kwabo, bakha ngokuhlanganyela iyunithi yerobhothi, exhunywe yi-5G millimeter wave.
Njengoba kuboniswe emfanekisweni ongenhla, lapho ingalo yerobhothi yenza isondo lokuqondisa, ikhethini le-laser lingavikela uhlangothi lokuvula lweyunithi yerobhothi.Uma izisebenzi zasefekthri zingena, ngokusekelwe ekuthembekeni okuphezulu kwe-5G urlc, irobhothi lizoyeka ukusebenza ngokushesha ukuze ligweme ukulimala kwabasebenzi.
Le mpendulo esheshayo yokuqinisekisa ukwethembeka akunakwenzeka ku-Wi Fi yendabuko noma i-4G.
Isibonelo esingenhla siyingxenye kuphela yesimo sohlelo lwe-5G millimeter wave.Ngokungeziwe ku-inthanethi yezimboni, i-5G millimeter wave inamandla ekuhlinzeni okukude emithini ehlakaniphile futhi ayinamshayeli ku-inthanethi yezimoto.
Njengobuchwepheshe obuthuthukisiwe obunezinzuzo eziningi ezifana nezinga eliphezulu, umthamo omkhulu, ukubambezeleka kwesikhathi esiphansi, ukwethembeka okuphezulu nokunemba kokuma okuphezulu, i-5G millimeter wave idonsele ukunakwa okubanzi kuzo zonke izigaba zokuphila.
Isiphetho
Ikhulu lama-21 yikhulu ledatha.
Inani elikhulu lezentengiselwano eliqukethwe kudatha libonwe umhlaba.Namuhla, cishe zonke izimboni zifuna ubudlelwano phakathi kwazo nedatha futhi zibambe iqhaza ekumbiweni kwenani ledatha.
Ubuchwepheshe bokuxhumana bumelwe i-5Gkanye nobuchwepheshe bekhompuyutha obumelelwe i-cloud computing, idatha enkulu nobuhlakani bokwenziwa kungamathuluzi abalulekile enani ledatha yezimayini.
Ukusebenzisa ngokugcwele i-5G, ikakhulukazi ku-millimeter wave band, kufana nokuba nekhono "lokhiye wegolide" wokuguqulwa kwedijithali, ongakwazi nje ukubona ukukhuphuka kokusha kokukhiqiza, kodwa futhi engenakunqotshwa emqhudelwaneni oshubile esikhathini esizayo.
Ngamafuphi, ubuchwepheshe kanye nemboni ye-5Gi-millimeter wave isivuthwe ngokugcwele.Ngokusetshenziswa kwe5Gimboni kancane kancane ingena endaweni ejulile yamanzi, kufanele sinyuse izinga lokufika kwezohwebo zasekhaya5Gi-millimeter wave futhi ubone ukuthuthukiswa okuhlelekile kwe-sub-6 ne-millimeter wave.
Isikhathi sokuthumela: Dec-14-2021