Mene ne 3G waya, da kuma yadda yake amfana da mu

Muna zaune da kuma tafi a duniya na bayanai gudana, yin da dama, wayar da kira, ba ko da yaushe a cikin ofishin, ko a gida, a wata hanya a lokacin da fuskantar da 3G misali (acronym ga Turanci. "Uku tsara"). Bari mu tambayi kanmu: "Abin da yake a 3G waya?"

Turai shiryar musamman "yare" kayyade misali - UMTS, wakiltar wani jayayya tsakanin mafi ingancin CDMA misali da ciwon manyan rufi adadin GSM biyan kuɗi. 3G aiki a cikin UHF kewayon game 2 GHz tare da wani data kudi na 3.1 Mbit / s. Don asali da sabis na 3G-networks matsayi kamar yadda murya da kuma bayanan sadarwa. M da kewayon ayyuka a low sirrinka, ƙarfafu baya misali, ba su fahimta da abin da yake 3G waya a yau. Yau watsa bayanai na samar da sadarwa a matsayin kasuwanci ikon yinsa a high gudun (e-mail, video gudanar da taro, m samun bayanai, management na banki account), da kuma na sirri bukatun (games, social networks, multimedia tsarin, online sayayya). Transmission kudi dabam juyè tare da gudun da abu. A cikin hali na gano a wuri - 2048 kbit / s, yayin gudun ne 3km / h - 348 kbit / s, 120 km / h - 144 kbit / s. Popular tare da masu amfani ji dadin Unlimited Internet mobile, wanda yayi su da damar ga wani ajali wata fee Unlimited damar zuwa duniya cibiyar sadarwa. Mutane da yawa suna sha'awar wannan tambaya: "Ta yaya mafi kyau a zabi wani ma'aikaci?" Amsar wannan shi ne mai sauki. Farko, na ƙayyade ko kai gamsu da ta ɗaukar hoto yankin. Sa'an nan tantance bada rates. Sa'an nan yin shawara.

Amma 3G internet - abin da yake da shi? Ba kawai wayoyin hannu. Idan kana da wani PC, netbook, rubutu, sa'an nan haɗi zuwa wani Wi-Fi dangane da kuke bukata 3G-modem. A mafi m ne USB-modem, wadda ta ha kai tsaye zuwa kebul-tashar jiragen ruwa na kwamfuta. Bugu da ƙari kuma yana yiwuwa embodiments ExpressCard, PCMCIA. Domin m m liyafar siginar selection akida ingancin rahoto devaysa ta mita iyaka, da alama watsa gudun. To, idan mafi kusa hasumiya mai bada ne kusa. Lokacin da nisa daga 10-50 km a barga modem aikin zai samar da m 3G-eriya. Ciki sojojin da shi zuwa 5-10 decibels, amma wani lokacin bukatar wani waje, mafi m. Don yin wannan, za ka iya zama da amfani 3G Wi-Fi na'ura mai ba da hanya tsakanin hanyoyin sadarwa. Lura cewa domin uku mita makada 3G Internet: 450, 800, 2100 MHz - zaba daidai modem da eriya.

Samun saurin bunkasuwar kasuwar zamani wayoyin salula na zamani da kuma communicators. Wannan "classic" Soup, dake bayyana cewa wannan 3G waya. Suna, ban da aiwatar da murya sadarwa, suna sanye take da gina-in 3G modem, kula da sadarwa da WWW. A cikin sabon abu na ci gaba ne HTC da Samsung (Android dandamali) na'urorin da kuma Apple (iOS tsarin aiki).

Yanzu samun shahararsa tsakanin masu amfani da wayoyin salula da ya fi girma fuska - Allunan. Wannan na'urar na iya hada wani hadedde 3G modem (wanda bada shawarar, musamman idan manufacturer - China) - idan ba haka ba, to, kana bukatar sayan shi. Yana yiwuwa cewa "gazawar" direbobi dabam sayi modem.

Dialectics of kimiyya da fasahar zamani, mai bayyanawa fahimtar daga cikin masana kimiyya da tambaya "Me aka 3G waya" ya haddasa gaba mataki - 4G. A duk da data kasance iya aiki, 3G - kawai guda mataki na duniya gaba. 4G fasaha, wanda yana da wani sunan - LTE (Long TermEvolution), inganta data kasance networks, kara sauri, kuma girma na bayanai daukar kwayar cutar. Norway da Sweden sun yi hidimar majagaba sababbin hanyoyin fasaha. Kara ci gaba da akwai wani madadin: Rasha tushe azurtawa "Beeline" da kuma MTS, "Megaphone" sun riga ya fara aiki bisa ga kasa da kasa yarjejeniya a kan harkokin sadarwa da sabis a cikin LTE misali.