Antennas ga yanar-gizo. Tauraron Dan Adam tasa domin internet: Farashin

Tauraron Dan Adam Internet ne daya daga cikin hanyoyi na samun dama da duniya bayanai cibiyar sadarwa. Nuna alama na nasara aiki na World Wide Web ne babban gudun isar da nema bayanai da kyau ingancin ta gabatar. Saboda cibiyar sadarwa cunkoso ba ko da yaushe zai yiwu a lokacin da yin amfani da bugun kiran-up haši kan tarho ko sadaukar Lines. An madadin to mai waya mafita ya zama fasahar yin amfani da tauraron dan adam tasa ga intanet.

Ta yaya wannan aikin

Communication dogara ne a kan ka'idojin dijital tauraron dan adam watsa shirye-shirye misali DVB-S: Turanci Digital Video Broadcasting - Tauraron Dan Adam (Digital Video Broadcasting via tauraron dan adam). A daidai da wannan tauraron dan adam tsarin aiki ware wani tauraron dan adam daya ko fiye tashoshi ga kungiyar na high-gudun data isar da adireshin da mai amfani. Daga kayan aiki dole Internet TV eriya mai amfani m, Converter kuma sauran na'urori.

Data yana daukar kwayar cutar tare da talabijin na kasar da kuma audio watsa shirye-shirye, da kuma aka gudanar a cikin shugabanci na babban yawan masu amfani a cikin sabis yankin. A wannan yanayin, zai yiwu adireshin (sirri) isar da nema bayanai daga Internet da kuma streaming rarraba bayanai (fina-finai, music, labarai, da dai sauransu) Don kungiyoyin na masu amfani a kan wani biyan. Karbar data for gaba da tauraron dan adam Internet da kuma watsa su cikin kwamfuta (talabijin).

Hanyoyi na ginin tsarin

Kamar yadda wani ɓangare na wannan fasahar sun yada hanyoyi biyu na gina m tsarin

• a hade (matasan).
• guda biyu-directional (tsakaitã).

A na farko (a hade) yi amfani da iri biyu tashoshi:

• Ground (baya) - request ga kungiyar.
• da tauraron dan adam (kai tsaye) - domin bayarwa na bayanai ga masu amfani.

A karo na biyu Hanyar (Mai kusurwa biyu) bayanai musayar a gaba da kuma koma-baya kwatance kawai tauraron dan adam tashoshi suna da hannu.

a hade hanyar

A hade Hanyar gina wani nazarin sasannin channel tsarin - gargajiya. Mai amfani da kwamfuta an haɗa zuwa gida kayan aiki naka (ISP) sabis via wani mai waya modem connection ko via salula rediyo. Tsĩrar da via tauraron dan adam martani bayanai samu a cikin mutum naúrar kunshi wani tauraron dan adam tasa ga internet, low amo Converter, DVB-PCI cards (tare da wani ke dubawa da PC) da PC kanta.

A tsakaitã Hanyar

A Mai kusurwa biyu tsarin gini Hanyar mai amfani ya saye m for shirya tambayar da mai karɓa da martani bayanai via tauraron dan adam. Nazarin sasannin tashoshi a cikin wannan version ba a bukata da kuma tashoshi za a iya located a cikin mafi m sasanninta na kai kansu. A cikin hali na adireshin isar data samu tashar ga dukan zaman da shi ya zauna a cikin bukatar da kungiyar tabbatar da daidai Karbar bayanai. Lokacin yawo aika mayar da tashar iya kashe bayan da request, da kuma nema bayanai da aka ruwaito da mai amfani da kwamfuta (bisa ga ganewa code) ba tare da ya hannu. Ga wani request domin streaming ciki, za ka iya amfani da wayar hannu tare da watsa bayanai aiki a kan Internet. A wannan yanayin, a sake, ba tare da wani tauraron dan adam tasa for internet da kuma hade kayan aiki ba zai iya yi.

How to connect hada Hanyar

Na farko, da saye shiga cikin wata kwangila, yana biya zirga-zirga. Sa'an nan adjusts wani tauraron dan adam tasa domin internet a cikin shugabanci na tauraron dan adam, wanda aka sa ran kai ga liyafar. Sa'an nan kuma ka bukatar ka gudu da software da kuma shigar da tauraron dan adam tashar sigogi.

Via modem ko salula cibiyar sadarwa na Magana da wani gida bada Intanit, wanda bayan dubawa da damar hakkokin da cibiyar sadarwa adireshin sanya wa kwamfuta mai amfani a yanar-gizo layinhantsaki (IP-address), musamman ga wannan cibiyar sadarwa. User data yana daukar kwayar cutar zuwa tauraron dan adam da sabis naka uwar garke to encrypt su, kuma ka aika da bukatar zuwa Intanit. A mayar da martani samu daga cibiyar sadarwa sigogi ake hada cikin wani digital rafi da data daga sauran masu amfani da kuma tsĩrar da terrestrial tashoshi da watsarwa tashar na tauraron dan adam watsa shirye-shirye. A tashar, sabobin tuba cikin rafi cikin fakitoci format DVB-S, kuskure iko coding, daidaitowa da kuma watsa sigina na rediyo zuwa wani tauraron dan adam.

Data Transfer Rate

Hankula dijital rafi data kudi ne 45-50 Mbit / s. Speed data biyan kuɗi a cikin shugabanci canje-canje da kuzari dangane da aiki, da nema ingancin sabis, irin sabis, da sauransu. D. The talakawan gudun da bayanai zuwa wata guda Subscriber ne 150-200 kbit / s, matsakaicin - game 2.5 Mbit / s.

kayan aiki

A karɓa a gefen via mutum shigarwa yana tura sakonni daga wani tauraron dan adam a sanya adireshin ganewa da aka yi da "ganewa" na data ga mai amfani. Eriya amfilifa Internet siginar da aka kullum biya diyya tare da ajali ko tunable Hanyar nuna a tauraron dan adam. Its size aka kayyade lokacin rajista, domin Key-ƙungiya (10.7-12.75 GHz) ne 0.6-1.2 m.

Eriya ga Internet modem sanye take da wani Converter, wanda aka located a mayar da hankali na eriya da aka haɗa a waya da DVB-PCI katin. Yana da wani Saukake dijital mai karɓar maida shi musamman domin kafuwa a cikin wani sirri kwamfuta. Converter iya a duniya ko biyu, tare da daya ko biyu nomawa, bi da bi. Na biyu fitarwa ne yawanci used to connect da dijital mai karɓar zuwa da kansa watch TV shirye-shirye da sauran masu amfani.

Mai samar DVB-PCI katin da aka tsara don rike Internet data da kuma duba TV a kan PC. Wasu daga cikinsu za a iya retrofitted tare da wani video encoder domin samar da talabijin shirye-shirye a kan TV, kazalika da matukar damar katin karatu ga shigarwa na saye cards a liyafar na masu lamba shirye-shirye.

How to connect ga Mai kusurwa biyu Hanyar

A tsarin na Mai kusurwa biyu da tauraron dan adam Internet access request da kuma ceto na bayanai dauki a kan tauraron dan adam sadarwa tashoshi ta yin amfani da mai amfani da m. Ya kunshi raka'a biyu:

• External akayi domin transceiving high mita sakonni.
• ciki (located gida) - domin dijital aiki na shigowa da masu fita da bayanai.

External ikon da aka located a yankin na mayar da hankali na a parabolic eriya ga Internet da kuma aka haɗa ta na cikin gida naúra da biyu coaxial igiyoyi. aiki na m iya zama a cikin daban-daban mita makada kasaftawa ga kungiyar na tauraron dan adam sadarwa da watsa shirye-shirye. Neman kuma mai karɓa amsa data da aka shirya ta hanyar da tsakiyar duniya tashar da tauraron dan adam located a kan geostationary falaki.

A tashar yana da damar yin amfani da hanyar sadarwa da kuma bayar da ga musayar bayanai, iko da kuma gudanar da duk Subscriber tashoshi dake a cikin sabis yankin. Bugu da kari ga data aiki tashoshi iya samun TV shirin sakonni sauti watsa shirye-shirye da kuma shigar da tarho da kuma facsimile.

masu amfani

All tashoshi suna sanye take da hankula cibiyar sadarwa dubawa don amfani a gida yankin cibiyoyin sadarwa. Babban amfani da sabis na bayar da wannan fasaha, bankuna, jama'a cibiyoyin, masana'antu da kamfanoni, Telecom aiki.

Madala zuwa taro tallafi na wannan fasahar a cikin CIS kasashe shi ne batun rajista na izni ga hakkin ya sami aiki a wani tauraron dan adam cibiyar sadarwa, high wata fee domin su ayyuka, tsada eriya ga Internet, farashin wanda jeri daga 2,000 (cikin sauki zabin) zuwa 10 000 da kuma karin rubles. Amma babban cikas ne babban kudin saye tashoshi masu zaman kansu masu amfani da (game da 2-2,5 dubu. Cu). Saboda haka, muna da tauraron dan adam data musayar fasahar yin amfani da mai amfani da tashoshi samu aikace-aikace tsakanin kamfanoni masu amfani.