Ucabanga ukuthenga ifoni entsha ye-5G enesivinini esikhulu? Zenzele umusa: ungakwenzi lokhu.
Ubani ongafuni i-inthanethi esheshayo kanye nomkhawulokudonsa ophezulu? Wonke umuntu ufuna. Ngokufanelekile, wonke umuntu ufuna i-gigabit fiber ukuthi ifike emnyango noma ehhovisi labo. Mhlawumbe ngolunye usuku kuyoba njalo. Ongeke ukuthole isivinini se-gigabit-per-second se-5G. Hhayi manje, hhayi kusasa, hhayi naphakade.
Njengamanje, izinkampani zezingcingo zikhuluma izinto eziningi esikhangisweni esisodwa ngemva kwesinye ezingelona iqiniso. Kodwa ngisho nangezindinganiso zabo, i-5G iyinkohliso.
Ake siqale ngegama ngokwalo. Ayikho i-"5G" eyodwa. Empeleni kunezinhlobo ezintathu ezinezici ezihluke kakhulu.
Okokuqala, i-5G iyi-low-band 20G enikeza ukumboza okubanzi. Umbhoshongo owodwa ungamboza amakhulu wamakhilomitha-skwele. Akulona idemoni lesivinini, kodwa ngisho nesivinini esingu-3+ Mbps singcono kakhulu kunesivinini esingu-100 Mbps i-DSL yasemaphandleni ebambelele kuso. Futhi ezimeni ezifanele, lokhu kungakunika isivinini esingu-XNUMX+ Mbps.
Bese kuba ne-mid-band 5G, esebenza ku-1GHz kuya ku-6GHz ububanzi futhi enengxenye yokufakwa kwe-4G. Ungathemba ukuthola isivinini ebangeni elingu-200 Mbps. Uma use-United States, cishe ngeke uhlangane nakho. Isatshalaliswa kuphela , ethole i-5G ye-mid-frequency enebhendi yesiteshi engu-2,5 GHz evela kuyo . Kodwa-ke, iyahamba kancane ngoba iningi le-bandwidth yayo engaba khona isivele isetshenzisiwe.
Kodwa okufunwa abantu abaningi isivinini esingu-1 Gbps esine-latency engaphansi kwama-millisecond angu-10. Ngokuvumelana ne , cishe u-40% wabasebenzisi be-iPhone kanye no-33% wabasebenzisi be-Android banesithakazelo ngokwedlulele noma kakhulu ekuthengeni amagajethi e-5G. Bafuna lelo jubane, futhi bayalifuna manje. Futhi u-18% wabo baze bathi bayawuqonda umehluko phakathi kwezinhlobo zamabhendi enethiwekhi ye-5G.
Ukungabaza. Ngoba ukube bebekuqonda ngempela lokhu, bebengeke bajahe kangaka ukuthenga i-smartphone ye-5G. Uyabona, ukuze uthole lezo zivinini, kufanele ube ne-millimeter wave 5Gβfuthi lokho kuza nemihume eminingi.
Okokuqala, amagagasi anjalo anebanga eliphakeme lamamitha ayi-150. Uma ushayela, lokhu kusho ukuthi kuze kube yilapho kukhona iziteshi eziyisisekelo ze-5G yonke indawo, uzobe ulahlekelwa isignali yakho yesivinini esikhulu. Eqinisweni, eminyakeni embalwa ezayo, uma ushayela, ngeke ukwazi ukusebenzisa i-5G enesivinini esikhulu.
Futhi noma ngabe ungaphakathi kwebanga lesiteshi sesisekelo se-5G, noma yini - ingilazi yewindi, ukhuni, udonga, njll. β ingavimba isignali yayo yefrikhwensi ephezulu. Ngakho-ke, i-transceiver ye-5G ingaba sekhoneni lomgwaqo wakho futhi ngeke ukwazi ukuthola isignali ehloniphekile.
Kubi kangakanani lokho? , umhlinzeki wesevisi yomakhalekhukhwini ohamba phambili e-Japan, usebenza ngohlobo olusha lwengilazi yewindi ukuze uvumele ukuphuma kwe-5G ye-millimeter-wave. Kodwa mancane amathuba okuthi abantu abaningi bafune ukukhipha izinkulungwane ezimbalwa zamaRandi ukuze bashintshe amawindi ukuze nje ifoni yabo isebenze.
Nokho, ake sicabange ukuthi unefoni ye-5G futhi uyaqiniseka ukuthi ungakwazi ukufinyelela i-5G - kungakanani ukusebenza ongakulindela ngempela? Ngokusho komlobi wephephandaba weWashington Post , ungalindela ukuthi i-5G "ibe nzima." Kuzwakala kuzwakala, ungathemba lokhu:
βZama isivinini se-AT&T esingu-32 Mbps nge-smartphone ye-5G kanye ne-34 Mbps nge-smartphone ye-4G. Ku-T-Mobile, ngithole i-15 Mbps ku-5G kanye ne-13 Mbps ku-smartphone ye-4G. Ayikwazanga ukuqinisekisa i-Verizon. Kodwa i-smartphone yakhe ye-4G yayishesha kune-smartphone yakhe ye-5G.
Impela ibika ukuthi isivinini esimaphakathi sabasebenzisi be-5G e-US singu-33,4 Mbps. Ingcono kune-4G, kodwa hhayi "Wow!" Kuhle lokhu!β, okuyinto abantu abaningi abaphupha ngayo. Lokhu kubi kakhulu ukwedlula noma yiliphi elinye izwe elisebenzisa i-5G ngaphandle kwase-UK.
Futhi, uzothola kuphela i-5G 20% yesikhathi. Ngaphandle kwalapho uhlala noma usebenza eduze kwe-millimeter wave transceiver, ngeke nje ubone isivinini esithenjisiwe nanoma yini eseduze nayo. Ukuze wenze kahle, ungalindeli ukuthi i-5G enesivinini esikhulu izotholakala kabanzi kuze kube ngu-2025. Futhi noma lolo suku lufika, kuyangabazeka ukuthi sonke sizobona isivinini sangempela se-gigabit-second.
Isihloko sokuqala singatholakala .
Source: www.habr.com