IEEE 802.11 cov qauv qhia txog kev sib txuas lus sib txuas ua ke.
Cov kev sib txuas ntawm qhov sib txuas ntawm Wi-Fi wireless txuas nrog ob peb yam. Zoo li feem ntau hom kev siv computer, WI-Fi txhawb kev sib txawv ntawm cov kev ua tau zoo, nyob ntawm seb cov qauv siv technology.
Cov txheej txheem Wi-nkaus raug tso pov thawj los ntawm Lub Tsev Haujlwm Hluav Taws Xob thiab Cov Hluav Taws Xob (IEEE). Txhua tus qauv hauv Wi-nkaus yog muab raws li nws lub siab tshaj plaws theoretical network bandwidth . Txawm li cas los, qhov kev ua tau ntawm Wi-nkaus tes hauj lwm tsis phim cov theoretical maximums.
Theoretical thiab Actual Network Speeds
Lub 802.11b network feem ntau ua tsis tau sai dua li ntawm 50 feem pua ntawm nws txoj kev ua siab tshaj, ze 5.5 Mbps. 802.11a thiab 802.11g tes hauj lwm feem ntau khiav tsis tshaj 20 Mbps. Txawm tias 802.11n tus nqi ntawm 600 Mbps piv rau wired Fast Ethernet ntawm 100 Mbps, qhov kev sib txuas hauv Ethernet ua tau ntau tshaj 802.11n nyob rau hauv qhov kev pab cuam tiag tiag. Txawm li cas los xij, WI-Fi kev ua tau zoo dua qub nrog txhua tiam tshiab ntawm kev siv tshuab.
Ntawm no yog daim phiaj Wi-nkaus ceev uas sib piv qhov tseeb thiab theoretical speeds ntawm feem ntau tam sim no Wi-nkaus tes hauj lwm:
| Theoretical | Xwb | |
| 802.11b | 11 Mbps | 5.5 Mbps |
| 802.11a | 54 Mbps | 20 Mbps |
| 802.11g | 54 Mbps | 20 Mbps |
| 802.11n | 600 Mbps | 100 Mbps |
| 802.11ac | 1,300 Mbps | 200 Mbps |
Tus txheej txheem 802.11ac, feem ntau hu ua Gigabit Wi-nkaus, muaj cov yeeb yam nram qab no:
- Tshaj siab tshaj plaws ntawm 1.3 Gbps
- Ua haujlwm nyob rau hauv 5-GHz band
- Txuas txog li plaub yam siv tib neeg siv, Multi-Input, Multi-Output (MU-MIMO) technology
Dab tsi yog Tom ntej?
Kev sib txuas lus txuas ntxiv hauv xov tooj yuav tsum yog 802.11ax. Nws tsis tuaj yeem tau txais kev lees paub los ntawm IEEE kom txog rau thaum xyoo 2019. Nws yuav ua sai npaum li tus qauv 802.11ac, thiab nws yuav muaj peev xwm ua haujlwm txawm tias qhov teeb meem ntsib kev cuam tshuam hnyav. Txuas ntxiv, 802.11ax routers yuav yog MU-MIMO enabled; lawv yuav xa cov ntaub ntawv mus rau ntau yam khoom-tuaj yeem xa xov mus txog 12 li-tib lub sijhawm.
Feem ntau cov neeg laus dua xa cov ntaub ntawv xa mus rau tib qho khoom siv ib zaug xwb thaum hloov rov los ntawm cov khoom siv li ceev nrawm tsis pom.
Yam Fim Txwv Txwv Wi-nkaus Kev Txuas Txuas Nrawm
Qhov tsis zoo ntawm qhov theoretical thiab cov tswv yim hauv Wi-nkaus kev ua tau zoo los ntawm lub network raws tu qauv nyiaj siv ua haujlwm, xov tooj cua kev cuam tshuam , kev siv lub cev ntawm kev pom ntawm nruab nrab, thiab qhov kev ncua deb ntawm cov khoom siv.
Tsis tas li ntawd, raws li ntau tshaj li kev sib txuas lus nyob rau hauv network ib txhij, nws cov kev ua haujlwm txo vim tsis tsuas yog li cas bandwidth xwb tiam sis kuj cov kev txwv ntawm lub network hardware.
Ib qhov txuas Wi-Fi sib txuas hauv qhov siab tshaj plaws tau ceev tias ob qho khoom siv, feem ntau xa mus rau qhov xaus, pab txhawb. Lub 802.11g laptop txuas nrog ib qho 802.11n router , piv txwv li, tes hauj lwm ntawm qis dua ntawm 802.11g laptop. Ob qho cuab yeej siv yuav tsum txhawb tib tus txheej txheem thiaj li yuav khiav lag luam ntawm kev siab dua.
Cov Kev Pab Cuam Tshaj Tawm Hauv Internet Ua Si hauv Network Ceev
Nyob rau hauv tsev tes hauj lwm , qhov kev ua tau zoo ntawm kev sib txuas hauv internet feem ntau yog qhov kev cuam tshuam zoo tshaj plaws nyob rau hauv qhov kawg ntawm txhua qhov network. Txawm tias feem ntau cov chaw hauv thaj chaw pab txhawb cov ntaub ntawv sib tw hauv tsev ntawm qhov ceev ntawm 20 Mbps lossis ntau tshaj, Cov neeg siv Wi-Fi tseem txuas mus rau hauv internet ntawm qis qis qis tshaj los ntawm cov muab kev pab hauv internet .
Feem ntau cov chaw muab kev pabcuam hauv online muab ntau qhov kev pabcuam hauv internet. Qhov kev sib txuas ceev, qhov ntau koj them.
Lub Nce Ua Tseem Ceeb Ntawm Kev Ntaus Zog
High-speed connections tau los ua ib qho tseem ceeb raws li cov yeeb yaj kiab yees duab tau muaj nyob rau hauv tej chaw. Koj tuaj yeem tau txais kev pabcuam rau Netflix, Hulu, lossis qee qhov kev pab cuam video-streaming, tabsis yog tias koj qhov kev txuas hauv internet thiab lub network tsis tuaj yeem ua raws li qhov yuav tsum tau ceev tshaj plaws, koj yuav tsis tau saib ntau cov yeeb yaj kiab.
Tib yam yuav hais tau rau video streaming apps. Yog tias koj saib TV nrog lub Roku , Apple TV , lossis lwm qhov streaming lom ze , koj siv sijhawm ntau ntawm koj lub sijhawm saib TV saib rau kev lag luam thiab kev pabcuam hwm.
Yog tias tsis muaj kev sib txuas ceev, xav tias yuav muaj kev ua tsis zoo video thiab nquag nres tsis tuaj.
Piv txwv, Netflix pom zoo kom ceev qhov ceev tshaj ntawm 1.5 Mbps, tab sis nws xav kom siab dua rau cov zoo dua: 3.0 Mbps rau SD zoo, 5.0 Mbps rau HD zoo, thiab 25 Mbps rau Ultra HD zoo.
Yuav ua li cas sim koj Network ceev
Koj tus neeg muab kev pabcuam hauv internet yuav muab kev pabcuam rau kev siv online. Cia li nkag mus rau hauv koj tus as khauj, mus rau kev sib txuas ceev ceev, thiab ping cov kev pabcuam. Rov ua dua qhov kev xeem nyob rau ntau lub sijhawm ntawm hnub kom tuaj txog ntawm qhov ntsuas nruab nrab.
Yog tias koj tus neeg muab kev pabcuam hauv internet tsis muab sijhawm kuaj sai, muaj kev pabcuam dawb hauv kev pabcuam dawb rau kev kuaj xyuas koj qhov network .