4G ntawm tes yog 10 lub sij hawm sai dua li cov kev pab cuam 3G
4G wireless yog lub sij hawm siv los piav txog lub cim thib plaub ntawm wireless service. 4G yog ib qho loj ntawm 3G thiab yog nce mus txog 10 lub sij hawm sai dua li 3G service. Sprint yog thawj cov cab kuj muab 4G ceev hauv Teb Chaws Asmeskas pib hauv xyoo 2009. Tam sim no txhua tus neeg nqa khoom muaj kev pab cuam 4G hauv ntau qhov chaw ntawm lub teb chaws, txawm tias qee qhov chaw qiv qis tseem muaj qeeb qeeb 3G nkaus xwb.
Vim li cas 4G ceev Matters
Raws li cov smartphone thiab ntsiav tshuaj tsim txoj kev muaj peev xwm mus saib yeeb yaj kiab yees duab thiab suab paj nruag, qhov kev xav tau ceev ua qhov tseem ceeb. Keeb kwm, cellular speeds muaj qeeb qeeb tshaj li cov uas muaj los ntawm high-speed broadband txuas rau cov computers. 4G ceev sib piv favorably nrog ib co kev xaiv broadband thiab yog tshwj xeeb tshaj yog tseem ceeb nyob rau hauv cov cheeb tsam tsis muaj kev txuas broadband.
4G Tshuab
Thaum tag nrho cov kev pab cuam 4G yog hu ua 4G lossis 4G LTE, cov cuab yeej siv lwm qhov tsis zoo ib yam nrog txhua tus neeg nqa khoom. Ib txhia siv WiMax tshuab rau lawv cov 4G network, thaum Verizon Wireless siv lub tshuab hu ua Long Term Evolution, los yog LTE.
Sprint hais tias nws qhov 4G WiMax network muaj download speeds uas yog kaum lub sij hawm sai tshaj li 3 G kev twb kev txuas, nrog ceev uas tawm ntawm 10 megabits ib ob. Verizon tus LTE network, meanwhile, muab siab ceev ntawm 5 Mbps thiab 12 Mbps.
Dab tsi tuaj tom ntej?
5G los tom ntej, tau kawg. Ua ntej koj paub, lub tuam txhab touting WiMax thiab LTE tes hauj lwm yuav tham txog IMT-Advanced technology, uas yuav xa cov 5G ceev. Cov cuab yeej ua lag luam yuav tsum ceev, muaj tsawg zones thiab xaus cov ntaub ntawv ntawm cov ntawv cog lus cellular. Lub koom txoos yuav pib zaum hauv nroog loj.