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Amazon napoveduje zasnovo antene Kuiper za projekt vesoljske internetne konstelacije

Po poročanju tujih medijev je Amazon 16. decembra po lokalnem času objavil zasnovo antene svojih strank za dostop do prihajajočega obsežnega projekta satelitske konstelacije podjetja Kuiper, katerega cilj je zagotoviti širokopasovno internetno pokritost iz vesolja. Antena ima zasnovo faznega niza in je bila razvita in preizkušena to jesen. Amazon je povedal, da je antena premera le 12 palcev, manjša in lažja od tradicionalne zasnove antene. Testi kažejo, da lahko antena zagotovi največjo prepustnost do 400Mbps. Podjetje je tudi poudarilo, da je to anteno mogoče uporabiti za prenos videa 4K iz geosinhronih satelitov. Geosinhroni satelit je vesoljsko plovilo, ki se nahaja približno 22000 milj (približno 32000 kilometrov) nad zemljo. Vendar pa bo satelit Amazon Kuiper bližje zemlji. Julija letos je Amazon pridobil soglasje Zvezne komisije za komunikacije (FCC) ZDA za izstrelitev satelitske skupine, sestavljene iz 3236 satelitov za projekt Kuiper. Višina letenja vesoljskega plovila se giblje od 590 km do 630 km. S toliko sateliti, ki tečejo blizu Zemlje, bo projekt Kuiper posameznim uporabnikom na Zemlji poslal širokopasovno internetno pokritost z nizko zakasnitvijo. Njegov cilj je zagotoviti pokritost oddaljenih območij in regij, ki nimajo dostopa do tradicionalnega hitrega interneta.

Amazon napoveduje zasnovo antene Kuiper za projekt vesoljske internetne konstelacije 1

Amazon je eno od mnogih podjetij, ki se osredotočajo na lansiranje ogromne vesoljske internetne konstelacije. Omeniti velja, da ima SpaceX-ov program Starlink prav tako cilj istega cilja. Program je sestavljen iz skoraj 12000 satelitov in bo zagotavljal tudi širokopasovni internet od nizke do srednje zemeljske orbite. Trenutno je SpaceX izstrelil skoraj 1000 satelitov Starlink in celo začel z začetnim testiranjem. Amazon še ni izstrelil nobenega satelita in ni razkril, s kakšno raketo bodo ti sateliti izstreljeni. Amazon je dejal, da lahko z zmanjšanjem velikosti uporabniških terminalov zmanjšajo stroške proizvodnje strojne opreme in znižajo ceno, po kateri se kupci odločijo pridružite se programu. Podjetje trdi, da lahko dosežejo miniaturizacijo s prekrivanjem struktur elementov mikro antene. Glede na fotografije uporabniškega terminala SpaceX, ki so jih objavili beta preizkuševalci na redditu, je antena Amazon s premerom 12 palcev precej manjša od antene Starlink. Poroča se, da morajo beta preizkuševalci za testiranje strojne opreme Starlink podjetja SpaceX najprej plačati 499 USD za vse naprave in nato plačati dodatnih 99 USD na mesec. Amazon cene projekta Kuiper ni razkril, družba pa je obljubila, da bo v projekt vložila 10 milijard dolarjev.

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