Kodi 3G foni, nanga bwanji ife

Timakhala ndi kuyenda mu dziko la mudziwe uyenda, kupanga ambiri mafoni, si nthawi zonse mu ofesi kapena pakhomo, mwa njira ina pamene anakumana ndi muyezo 3G (acronym kwa English. "M'badwo Chachitatu"). Tiyeni tidzifunse tokha: "Kodi ndi 3G foni?"

Europe motsogozedwa wapadera "chilankhulo" chinaneneratu muyezo - UMTS, woimira kukondera pakati pa bwino khalidwe CDMA muyezo ndipo ndi lalikulu lokutidwa kuchuluka kwa GSM olembetsa. Intaneti 3G ntchito mu UHF osiyanasiyana pafupifupi 2 GHz ndi mlingo deta ya 3.1 Mbit / s. Zotumikira zofunikira 3G-Intaneti Udindo monga aya mawu ndi deta. Kuweruza osiyanasiyana ntchito pa ulemu otsika, pokumbukira muyezo yapita, sindikumvetsa chiyani 3G foni lero. deta lero kufala amapereka kulankhulana monga kuchuluka malonda pa liwilo (e-mail, conferencing video, mwayi akutali zinasokoneza makompyuta, kasamalidwe banki nkhani), ndi zofuna (masewera, Intaneti, kachitidwe matumizidwe ophatikizika amawu, nyimbo ndi zithunzi, kugula Intaneti). mlingo kufala zimasiyanasiyana inversely ndi liwiro chinthu. Pa nkhani ya kupeza malo - 2048 kbit / s, pamene liwiro ndi 3km / h - 348 kbit / s, 120 Km / h - 144 kbit / s. Popular ndi ogwiritsa kusangalala malire Internet mafoni, amene amapereka iwo mwayi amodzi mwezi amalipiritsa kupeza zopanda malire maukonde lonse. Ambiri amachita chidwi ndi funso lakuti: "Kodi bwino kusankha woyendetsa?" Yankho la funso limeneli ndi losavuta. Choyamba, kudziwa ngati muli okhutitsidwa ndi malo ake Kuphunzira. Kenako amapenda mitengo athandizi. Ndiye kusankha.

Koma 3G Intaneti - ndichiyani? Osati mafoni yekha. Ngati muli ndi PC, netbook, kope, ndiye kugwirizana kugwirizana Wi-Fi mukufuna 3G-modemu. The mosalekeza kwambiri ndi USB-modemu, amene zikugwirizana mwachindunji USB-doko la kompyuta. Komanso nkutheka embodiments ExpressCard, PCMCIA. Pakuti wotsatira malipoti odalirika phwando chizindikiro kusankha mfundo za khalidwe devaysa ake pafupipafupi osiyanasiyana, mbendera HIV liwiro. Chabwino, ngati yapafupi nsanja WOPEREKA ali pafupi. Pamene mtunda wa 10-50 Km khola modemu ntchito adzapereka chabe 3G-mlongoti. mphamvu Internal kuti decibels 5-10, koma nthawi zina muyenera kunja kwa thupi, amphamvu kwambiri. Kuti tichite zimenezi, mukhoza kukhala zothandiza 3G Wi-Fi rauta. Chonde dziwani kuti kwa atatu pafupipafupi magulu 3G Internet: 450, 800, 2100 MHz - anasankha lolingana modemu ndi mlongoti ndi.

Mofulumira osauka msika wa mafoni amakono ndi kulankhulana. Izi "tingachipeze powerenga" Msuzi zikutiphunzitsa kuti foni izi 3G. Iwo, kuwonjezera pa kukhazikitsa aya mawu, zili ndi anamanga-3G modemu, kukhala mauthenga ndi Www lapansi. Pa akadaulo a patsogolo ndi HTC ndi Samsung (Android nsanja) zipangizo ndi apulo (iOS opaleshoni dongosolo).

Tsopano kupeza kutchuka pakati ogwiritsira ntchito mafoni zipangizo ndi zikwangwani zikuluzikulu - mapiritsi. chipangizo Izi zikhoza amapanga ndi Integrated 3G modemu (amene tikulimbikitsidwa, makamaka ngati Mlengi - China) - ngati sichoncho, ndiye inu kugula izo. N'zotheka kuti "Kulephera" madalaivala payokha anagula modemu.

Dialectics wa zisinthe sayansi ndi luso, bwino kwambiri za sayansi ndi funso "Kodi 3G foni" kwachititsa siteji yotsatira - 4G. Ngakhale mphamvu alipo, 3G - yekha siteji imodzi ya chitukuko lonse. 4G luso lomwe lili dzina lina - LTE (Long TermEvolution), kuwongolera Intaneti alipo, kuwonjezera liwiro ndiponso mphamvu zambiri imafalikira. Norway ndi Sweden upainiya umisiri watsopano. chitukuko Komanso palibe njira ina: Russia m'munsi wosamalira "Beeline" ndi MTS, "Megaphone" kale ntchito monga mgwirizano wa mayiko pa ntchito kutumiza mauthenga mu LTE muyezo.