2G vs 3G hauv Is Nrias teb
Technology txav mus tom ntej ua cov khoom me me thiab zoo dua thiab nws tau zoo ib yam hauv cov xov tooj ntawm tes. Pib nrog 1G, lub teb chaws tau pom kev hloov pauv ntawm 2G thiab tom qab ntawd 3G thiab muaj kev sib tham ntawm 4G sai sai tuaj txog hauv Is Nrias teb. Ua ntej yuav mus tom ntej, nws yuav tsim nyog yuav tsum nco ntsoov tias G tsuas yog lub cim rau tiam thiab qhov sib txawv tiag tiag nyob hauv cov thev naus laus zis uas tau txais hauv wireless network. 3G rollout nyob rau hauv Is Nrias teb thawj zaug pib nyob rau hauv 2008 los ntawm MTNL nyob rau hauv lub npe "3G Jadoo," muaj ib ncig ntawm 2 lab 3G neeg rau npe tam sim no. Kev xa tawm 3G hauv Is Nrias teb tau ua nruj heev txij li xyoo tas los nrog qhov xaus ntawm 3G spectrum auction rau cov tswv lag luam ntiag tug.
2G
Ib kauj ruam ua ntej ntawm 1G, 2G siv nqaim band wireless digital network. Nws tso cai rau kom meej meej ntawm lub suab ntau dua li 1G uas siv cov cim analogue. Ob lub thev naus laus zis no tau ua raws li kev hloov pauv hauv Circuit Court. 2G cuam tshuam nrog lub suab hu nkaus xwb thiab tso cai rau kev xa ntawv nkaus xwb, tseem hu ua SMS. 2G tso cai roaming chaw uas ua tsis tau nrog 1G thiab muaj ib lub xov tooj nrog 2G; ib tug tuaj yeem mus txawv tebchaws thiab tseem txuas rau cov neeg rov qab los hauv lub tebchaws, txawm tias muaj qee qhov kev txwv. Tag nrho cov 2G tes hauj lwm uas suav nrog GSM, CDMA thiab DAMPS tau tsim tawm hauv lub tebchaws thaum ntxov xyoo 1990 thiab lawv yog thawj lub xov tooj ntawm tes.
Nyob rau tiam thib 2 thiab tiam 3, muaj ib tiam neeg nruab nrab hu ua 2.5G, uas qhia qee qhov kev hloov kho thev naus laus zis los ntawm 2G. General Packet radio Service lossis GPRS tsis siv nrog 2G xov tooj thaum ntxov. Nws yog ib qho kev txhim kho hauv 2.5 G, thiab tom qab ntawd EDGE thev naus laus zis tau nthuav tawm raws li kev txhim kho ntxiv rau 2.5G. Tam sim no network thoob plaws hauv Is Nrias teb yog 2.5 G.
3G
Lub 3G tau qhia kom kov yeej cov teeb meem uas 2G tsis tuaj yeem hla. 3G siv ob qho tib si hauv Circuit Court thiab pob ntawv hloov thev naus laus zis thiab ua rau siv cov xov tooj cua dav dav uas tso cai rau lub suab kom meej dua thiab nws zoo li tus neeg peb tham nrog zaum ntawm peb. Packet Switching yog cov cuab yeej siv los xa cov ntaub ntawv hauv 3G. Kev txhais lus ntawm lub suab hu yog ua los ntawm Packet switching. 3G tso cai rau lub ntiaj teb roaming tsis muaj kev cuam tshuam. Ntxiv nrog rau qhov tsis sib haum xeeb lub suab thiab kev rub tawm sai dua xws li suab paj nruag, yeeb yaj kiab thiab kev ua si, muaj qee qhov ntau ntxiv uas tuaj yeem nyiam xws li kev tshawb nrhiav hauv internet, mobile TV, video conferencing, video hu, Multi Media Messaging (MMS), Mobile Gaming thiab lwm yam..
3G network tam sim no raug xa mus rau hauv cov nroog loj xaiv los ntawm MTNL (3G Jadoo) thiab Tata DoCoMo. Bharti Airtel tau tshaj tawm nws 3G network dov tawm thaum ntxov 2011. 22 cheeb tsam uas suav nrog ntau lub nroog sab saum toj hauv txhua lub xeev tau raug txheeb xyuas raws li cov cheeb tsam hauv xov tooj kom xa 3G network. Txawm li cas los xij, thaum xub thawj nws yuav raug dov tawm hauv ob peb lub nroog nkaus xwb. Lwm tus neeg ua haujlwm tau ua tiav nyob rau lub Tsib Hlis 2010 3G spectrum auction thiab yuav xa mus rau 3G network thoob plaws tebchaws yog Reliance, Vodafone, Idea thiab Aircel. Stel tseem yuav xa nws 3G network hauv qee qhov chaw ntawm Orissa thiab Bihar.
MTNL cov kev pabcuam 3G twb muaj nyob hauv Mumbai thiab New Delhi ob qho tib si hauv cov phiaj xwm them ua ntej thiab them nyiaj tom qab. MTNL tam sim no tsub nqi ib nrab ntawm ib ob rau ib lub zos thiab STD lub suab thiab video hu rau nws tus kheej lub network, ib tug paise ib ob rau kev hu mus rau lwm lub network thiab cov ntaub ntawv nqi yog 1 paise ib 10KB. Ib tus nqi SMS yog 0.25 Rupees hauv zos, 1 Re rau STD thiab Re 2.50 rau IDD. Muaj tus nqi qhib thiab them tus nqi mothly fixed.
Cov kev pabcuam 3G yuav tsum nyiam cov menyuam yaus thiab cov neeg siv cov ntaub ntawv hnyav rau hauv 3G network.
Qhov txawv ntawm 2G thiab 3G
Ob leeg 2G thiab 3G tsuas yog qhov tseem ceeb hauv kev siv xov tooj ntawm tes thiab sawv cev rau ob theem sib txawv. Thaum 2G kav lub ntiaj teb ntawm cov xov tooj ntawm tes rau ib xyoo caum, nws yog qhov tig ntawm 3G tam sim no uas tau siv dav hauv lub tebchaws. Tab sis muaj cov xov xwm hais tias 4G yuav tuaj txog sai sai hauv Is Nrias teb uas qhia tias kev siv tshuab nrawm npaum li cas. Muaj ntau qhov sib txawv ntawm 2G thiab 3G, thiab feem ntau ntawm lawv cuam tshuam txog cov yam ntxwv muaj rau cov neeg siv xov tooj ntawm tes.
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Qhov txawv ntawm 2G thiab 3G hauv Is Nrias teb Thaum tsuas muaj lub suab hloov hauv 2G, 3G tso cai rau cov ntaub ntawv hloov mus ntxiv rau kev xa xov ntawm lub suab • Lub suab meej hauv 3G yog qhov ntau dua 2G, thiab muaj kev cuam tshuam me ntsis • 3G yog lub tshuab ruaj ntseg ntau dua 2G • 3G ua rau muaj ntau yam ntxiv rau cov neeg siv xov tooj xws li internet, mobile TV, hu xov tooj, video conferencing, mobile gaming whereas tsis muaj xws li nta muaj nyob rau hauv 2G • Ib qho tsis zoo ntawm 3G yog tias nws tsis muaj nyob hauv txhua qhov chaw ntawm lub tebchaws, qhov 2G muaj thoob plaws hauv Is Nrias teb • 3G cov kev pabcuam yog tus nqi hauv lub tebchaws ntau dua 2G. Tab sis tam sim no MSNL tau txo nws cov nqi 3G kom nyiam cov neeg siv khoom ntau dua |
Nyob rau hauv xaus, nws yuav yog qhov tseeb hais tias 3G yuav coj cov kab lis kev cai tshiab ntawm lub xov tooj ntawm tes nrog cov yam ntxwv siab heev muaj rau cov neeg siv xov tooj, txawm li cas los xij 3G tsis muaj nyob txhua qhov chaw, nws yuav siv rau hauv cov chaw xaiv nkaus xwb. Thaum, 2G yog qhov zoo txaus rau cov kev pabcuam hauv xovtooj thiab pheej yig rau cov neeg siv khoom nruab nrab nrog aplomb.
