Chabwino n'chiti - H- kapena 3G-Intaneti? Kusankha

m'badwo lero n'zokayikitsa, koma kamodzi mafoni anali mafoni, osati mafoni. Iwo akhoza kupanga kuyitana, panonso. Pa nthawi yomweyo iwo anali wamng'ono ndi kupsa mu thumba lanu, koma ndi zipangizo izi, kunali kosatheka kuti kujambula zithunzi ndi kugawa. Ndithudi, kunali kosatheka kuti mwayi telefoni mfundo, osanenapo ntchito zina zambiri.

Koma tsopano foni pafupifupi wapita, pali mafoni yekha. Masiku ano, dziko anapitiriza kukhala mkulu-liwiro lotsatira-m'badwo opanda zingwe maukonde, nchifukwa chake wosuta pafupifupi zinthu zambiri ngati losokoneza kwambiri. Mwachitsanzo, mapulogalamuwanso kawiri kawiri amayesetsa kupeza pyadidi: H kapena 3G? Kodi mlingo posonkhanitsa deta Intaneti awa, etc. Koma chiphunzitso cha mafunso amenewa chotheka, ndi munthu samamvetsa zimene kufunsa.

Mukutanthauza chiyani Intaneti 3G, E, H?

G amayimira m'badwo (Generation). Izi zikutanthauza kuti pamene opanga kunena 4G, iwo akunena za zopezera opanda zingwe, ozikidwa pa luso wachinayi m'badwo. Komabe, mawu akuti "m'badwo" mu lingaliro kusokoneza owerenga wamba. Choncho, tiyenera kuyesetsa kumvetsa zonsezi.

Apa E ndi H - ndi deta kufala luso, amene ali osiyana. Koma zimenezi zimafuna kumasulira kwa Tsatanetsatane.

1G

umisiri loyamba m'badwo adzapanga mafoni misa mankhwala. Pamaziko a mbadwo uno akhala wotchuka kwambiri maukonde umisiri TACS ndi NMT. Choyamba ntchito mu US, wachiwiri - mu Europe. Ndiye palibe amene adaganiza kuti ntchito deta. Pa imeneyo kunali analogi kachitidwe kuti athe kuyitana mawu ndi zinthu zina zina.

Mtokoma deta ya umisiri amenewa otsika, ndi mtengo wa miniti imodzi anali ofunika kwambiri ndalama, ndi mmenenso kukhalapo kwa foni zikhoza kuganiziridwa mwanaalirenji. Komabe, kukula kwa maukonde si yaitali kubwera. Posakhalitsa panali wachiwiri m'badwo 2G maukonde.

2G ndi 2.5G

Kukula kwa m'badwo wachiwiri imagwera pa chiyambi cha 90s lapansi. Network ofotokoza akhala inkatetezeka, mwamsanga, ndi bwino zomvetsera khalidwe. Ena anzawo kufala kwa mauthenga yochepa (SMS). Choncho, palibe wina ankadzifunsa kuti bwino H kapena 3G. Kuti mbadwo wachitatu anali koma kukhala.

Mu 1997 anaonekera GPRS, ndipo kunasintha mbiri ya chitukuko ma. Zinali kusintha kwenikweni, chifukwa luso ali anapatsidwa mwayi GSM zopezera deta nthawi zonse pa liwiro apamwamba.

Komabe, sinali m'badwo zonse kunachitika lachitatu. The mulingo woyamba, omwe anavomereza mfundo zonse za 3G, anali IMT-2000. Imakhala mitengo deta ya megabits mpaka 2 pa mphindi.

Mobile Intaneti 3G: E, H, G

Kuwonjezera mlingo wapamwamba deta, muyezo mungathe kusintha mofulumira kwa wachiwiri kwa Intaneti wachitatu m'badwo. Kuti zimenezi zitheke, ambiri GSM ntchito asankha UMTS muyezo.

Panthawi imeneyi, ambiri anayamba m'mphepete muyezo. Iwo poyamba anali ndi pathupi njira yosavuta Finyani kunja pazipita m'badwo 2.5G yopeza ndalama yaikulu chitukuko poponya. Pa foni ndi kuthandiza m'mphepete muyezo akhoza zopezera deta kutengerapo mlingo kawiri monga mkulu monga muyezo GPRS.

Mwa njira, zinali zovuta ndi mfundo imeneyi, chifukwa Poyamba sizikumveka kumene kuziyika izo. Akatswiri ambiri amanena kuti 2.75G m'badwo.

Patatha zaka 10 wa maukonde UMTS analandira Mokweza mu mawonekedwe a HSDPA ndi HSUPA umisiri kuti ichi ndi magalimoto ukubwera ndi ochezeka chikupezeka chochuluka zedi. Ndipo ngati foni yanu chimaonetsedwa pamwamba pa kalata H, ndiye zikutanthauza kuti yogwira kufala muyezo HSDPA kapena HSUPA. Koma sitingathe kunena kuti chabwino: H kapena 3G, chifukwa H (HSDPA) makamaka luso 3G (lachitatu m'badwo deta maukonde). Choncho, funso zambiri anthu si zoona ndithu. 3G intaneti liwiro ndi H adzakhala ofanana, koma ena mafoni angasinthe kalata pamwamba pa kuwonetsera gulu kudziŵitsa. Koma sizisintha, ndipo anthu awiri onsewa ntchito 3G deta maukonde.

Koma ngakhale lero m'matauni ena kapena midzi pamene foni chikugwirizana kuti Intaneti, mukhoza kuona kalata G kapena E pamwamba pa TV. Izi zikutanthauza kuti ntchito m'mphepete ndi GPRS mfundo kuti ndi maukonde m'badwo kapena 2G 2.75G. Ngati mutero, mu nkhani iyi, mulibe kanthu, kodi ndi bwino: H kapena 3G Ndipotu zooneka ngati makalata G ndi E amasonyeza bwanji kulumikiza kwa maukonde wachiwiri m'badwo.

4G

Pali ITM-mwaukadauloZida mfundo zimene amati muyezo m'badwo wachinayi intaneti 4G. Chikalatachi amasonyeza ukubwera mlingo deta - 1 Gbit / s ndi malo 100 Mbit / gawo pa mafoni. Kaso, ndi 500 ndi 250 nthawi mofulumira kuposa kutengerapo deta ndi mu zapamwamba maukonde ITM-2000. imathamanga izi ngakhale kuposa kugwirizana kwa burodibandi.

Iwo amagwira ntchito yofunika kwambiri m'madera a kumidzi umisiri umenewu monga yosafuna zambiri kumanga 4G-siteshoni imene ikanathandiza kugwirizana olembetsa onse mkati mwa utali wozungulira 10 Km. Apo ayi akanayenera kuti kulenga "bulangeti" wa usasungunuke.

Koma Dziwani kuti mfundo ITM-mwaukadauloZida ndi wovuta, kuti lero tingati palibe muyezo umene adzakumananso nawo. Ndiko kuti, palibe zonse kunachitika maukonde 4G. Inde, WiMax ndi luso LTE mfundo yokhala kuwerenga wachinayi m'badwo network komatu si 100%. chakuti maukonde ntchito, ngakhale masiku ano multiplexing chiwembu, ndi 100% ya bandiwifi awo ukuthamana nawo, liwiro akadali osati malamulo amene akufotokozedwa mu specifications tatchulazi. Akuti LTE luso kumafuna mtokoma deta 100 Mbit / s, ndi chidwi kwambiri. Komabe, kuchita ndi zikuipiraipirabe: liwiro maukonde ndi amangoona zosakwana 30 Mbps. Kumene, ngakhalenso 30 Mbit / s - izi ndi zolimba kwambiri, koma mfundo ndi yakuti mlingo uwu si zizigwirizana mfundo za. Choncho, LTE muyezo akhoza kukhala ndi luso wachinayi m'badwo. Chibwenzi palibe sayansi kuti akakumane ITM-mwaukadauloZida zofunika.

3G 4G bwino?

Ena onyamula US musati analengeza kusintha kwa chachinayi m'badwo muyezo. Iwo anakhalabe pa maukonde 3G ndi Sinthani izo. Mwachitsanzo, T-Mobile woyendetsa ndi kukulitsa maukonde 3G, kuyesera kusintha HSPA muyezo kwa HSPA +. Komabe, sikuti iye ngakhale kukhudza muyezo wachinayi m'badwo maukonde. Izi n'zomveka, chifukwa 3G muyezo bwino kwa malire, komanso n'zotheka kukwaniritsa imathamanga mkulu. Yemweyo HSPA + adzachuluka kupereka wolembetsa bandiwifi ndi matulukidwe 42 Mbit / s.
Pa nkhani imeneyi, T-Mobile woyendetsa ukasintha reinterprets chimene chiri muyezo 4G ndi mofulumira Internet. 3G kapena H mu foni lingathe kukhala mtokoma deta mpaka 42 Mbit pa chachiwiri, koma mpaka limangokhudza olembetsa wa T-Mobile.

Monga zinthu kuima kwenikweni?

Zikuoneka kuti Intaneti lachitatu m'badwo bwino kukulitsa ngakhale m'mizinda ikuluikulu kulumikiza kwa 4G Internet, koma zenizeni ndi woipa. M'madera ambiri ku Russia ndi ambiri mu Ukraine palibe Kuphunzira 4G. Inde pali 4G, ngakhale 3G m'badwo wa bwino anakamba. Iwo ubwera chakuti m'midzi yambiri ndi m'matauni pa mafoni zooneka ngati makalata E Umaoneka inu kulumikiza ku intaneti. Monga mukuonera pa nkhani pamwamba, m'mphepete amatanthauza m'badwo Intaneti 2.5G ndi "silikugwirizana" tisanayambe Intaneti lachitatu m'badwo.

Kodi Internet bwino: 3G kapena H?

Poyamba nkhaniyi cholinga chake chinali kuthandiza olembetsa wa ntchito mafoni kumvetsa m'badwo Intaneti, ndi onse a malamulo amenewa kulankhulana zimakhala zosokoneza. Iwo ubwera chakuti owerenga ambiri akuyesa kuyerekeza liwiro pakati pa mbadwo wachitatu (3G) maukonde ndi HSPA luso, zimene zikugwirizana mwachindunji ndi intaneti lachitatu m'badwo. Ziri kulankhula, H - ichi ndi 3G.