Yuav ua li cas ntsuam xyuas Cov Phom Ntsiav Ntsiav Tshuaj Ntseg Raws Li Wireless Nta
Ntsiav tshuaj yog cov xov xwm zoo tshaj plaws, tiam sis ntau ntawm lawv cov kev pab yog yuav tsum tau txhaj ib co kev sib txuas network. Qhov no yog qhov tseem ceeb rau kev khiav dej num xws li mus saib hauv web, xyuas email lossis streaming audio thiab video. Vim li ntawd, qhov network txuas tau ua rau txhua lub ntsiav tshuaj muaj nyob hauv kev ua lag luam. Tseem tshuav ib qho tseem ceeb ntawm cov ntsiav tshuaj thaum nws tawm los rau lawv lub network cov qauv thiab phau ntawv qhia no kom pom tseeb rau qee yam ntawm cov kev xaiv uas muaj rau cov neeg siv khoom.
Wi-nkaus yog dab tsi?
WI-Fi yog qhov sib tw tshaj plaws ntawm wireless technology technology. Zoo nkauj ntau txhua lub tshuab ntaus ntawv tam sim no los nrog ib hom Wi-nkaus ua rau hauv lub cuab yeej. Qhov no xam tag nrho cov ntsiav tshuaj tam sim no nyob rau tom khw. Cov cuab yeej tsim yog tsim los rau kev sib txuas lus hauv zos li ntawd nws ib leeg yuav tsis txuas rau koj hauv internet. Xwb, nws tso cai rau kev sib txuas rau hauv lub tsev wireless network uas sib koom ua txuas nrog network txuas lossis ib qho chaw hotspot nrog kev siv internet. Vim tias cov chaw kub kub hauv nroog muaj ntau qhov chaw xws li cov khw hauv kas fes, cov tsev qiv ntawv, thiab cov tshav dav hlau, nws yog ib qho yooj yim heev kom tau txais kev cob cog rua internet.
Tam sim no Wi-nkaus yog muaj ntau ntau cov qauv uas haum rau ib leeg. Feem ntau cov khoom siv tam sim no xa nrog 802.11n Wi-Nwj uas yog ib qho tseem ceeb ntawm cov technologies. Tus downside yog tias qhov no yuav siv tau ib los yog ob qho tib si ntawm cov wireless spectrum nyob ntawm seb dab tsi kho vajtse yog ntsia ntawm ib qho tshuaj ntsiav. Tag nrho version yuav txhawb qhov 2.4GHz wireless spectrum uas yog siab tshaj rau cov laus 802.11b thiab 802.11g networks. Zoo siv kuj yuav muaj xws li 5GHz spectrum uas tseem sib npaug nrog 802.11a tes hauj lwm rau qhov kev pab cuam uas siv tau yooj yim. Feem ntau cov uas txhawb ob qho kev spectrums yuav teev nrog 802.11a / g / n thaum 2.4GHz tsuas yog li yuav yog 802.11b / g / n. Lwm txoj hauv kev piav qhia lub cuab yeej rau ob qho no yog hu ua dual-band lossis dual antennae.
Kev hais lus ntawm lub antennae, lwm technology uas tuaj yeem pom nyob rau hauv ib co ntsiav tshuaj hu ua MIMO . Dab tsi qhov no yeej tseem zoo cia lub tshuab ntsiav tshuaj siv ntau lub antennas los yeej tseem zoo muab cov ntaub ntawv bandwidth los ntawm tshaj tawm ntau txoj hauv kev hauv Wi-nkaus txuj. Ntxiv rau qhov nce bandwidth, qhov no tuaj yeem txhim kho kev ntseeg thiab ntau ntawm ib lub ntsiav tshuaj ntawm Wi-nkaus tes hauj lwm.
Tsis ntev los no qee qhov tshiab 5G Wi-nkaus networking khoom tau pib tawm. Cov no yog nyob ntawm 802.11ac qauv. Cov khoom no thov kom muaj peev xwm ua tiav cov nqi ntawm 1.3Gbps uas yog peb zaug qhov siab tshaj plaws uas 802.11n thiab zoo ib yam li cov ntawm gigabit ethernet. Zoo nkaus li tus qauv 802.11a, nws siv 5 GHz zaus, tiam sis nws yog qhov tseem ceeb ntawm nws lub ntsiab lus nws tseem txhawb 802.11n ntawm qhov 2.4GHz zaus. Thaum no yog muaj nyob rau hauv cov khoom siv router, nws tsis plhaws rau ntau lub ntsiav tshuaj feem ntau vim yog tus nqi siab ntxiv ntawm ntxiv cov antennae.
Ntawm no yog kev sib cais ntawm cov txheej txheem ntau yam Wi-nkaus nrog rau lawv cov nta:
- 802.11ac - Mus txog 1.3Gbps, 5GHz Band nrog 2.4GHz Compatibility ntawm 802.11n
- 802.11n - Txog 450Mbps Txuj, 2.4 lossis 5 GHz Band
- 802.11a - 54Mbps, 5GHz Band, Siv Cov Khoom Siv Ua Ntej
- 802.11g - 54Mbps, 2.4GHz Band
- 802.11b - 11Mbps, 2.4GHz Band
Yog xav paub ntxiv txog cov txheej txheem ntau yam hauv Wi-Fi, mus saib hauv Internet & Networking Basics.
3G / 4G Wireless (Ntawm cev)
Tej ntsiav tshuaj uas muaj 3G lossis 4G wireless connectivity muaj nqi ntxiv rau nws. Cov neeg tau txais kev pab yuav tau them ntau dua nyob rau hauv lub cuab yeej ntawm lub cuab yeej xwv kom thiaj li them cov lus tshaj tawm ntxiv. Feem ntau qhov no ntxiv roughly ib puas duas las rau cov nqi ntawm cov ntsiav tshuaj, tab sis qee qhov tsis yog li siab ntawm nqe dhia lawm. Tam sim no hais tias koj muaj qhov kho vajtse, koj yuav tsum tau kos npe rau ib qho kev pabcuam kev sib txuas nrog cov cab kuj uas lub ntsiav tshuaj tau zoo tshaj los siv rau ntawm 3G lossis 4G network. Nws yog qhov ua tau kom txo cov nqi ntawm qhov kho vajtse los ntawm kev them rov qab thaum koj xee npe nrog tus neeg nqa khoom mus ntev ntev ob xyoos. Qhov no yog hu ua hardware subsidies. Los txiav txim siab seb qhov no puas yog rau koj, mus saib peb cov Kev Pabcuam PC Sijhawm .
Feem ntau cov kev npaj cov ntaub ntawv nrog cov khoom siv wireless tau txuas mus rau ib cov ntaub ntawv lub hau uas txwv ntau npaum li cas cov ntaub ntawv koj tuaj yeem rub dhau qhov kev txuas hauv ib lub hlis twg. Piv txwv li, tus neeg muaj tus cab kuj muaj peev txheej tsawg kawg nkaus, tab sis nws tsuas yog 1GB ntawm cov ntaub ntawv uas qis heev rau qee cov siv xws li streaming. Tsuas yog ceeb toom tias cov thauj khoom yuav ua txhua yam thaum koj ncav cuag lub hau ntawd. Qee tus neeg yuav cia nres cov ntaub ntawv yuav tsum downloaded lossis lwm tus yuav throttle nws kom yam li streaming tsis ua haujlwm. Qee tus neeg yuav cia koj mus ceev faj thiab tom qab ntawd koj them tus nqi them nqi uas muaj nqi heev. Qee qhov kev qhia tawm unlimited tseem muaj lub khawm rau lawv uas cia daus mus txog rau ib qho qee cov ntaub ntawv ntawm cov kev sib txuas tas nrho cov tes hauj lwm, tab sis, ces txo koj lub network ceev rau tej ntaub ntawv tshaj lub cap. Qhov no raug xa mus raws li cov ntaub ntawv muab qhab nia. Qhov no tuaj yeem sib piv cov kev npaj cov ntaub ntawv yooj yim heev vim nws tsis yooj yim los saib xyuas cov ntaub ntawv ntau npaum li cas koj siv tau ua ntej koj muaj lub ntaus ntawv.
Lub tshuab 4G siv los ua ib qho nyuaj rau vim nws raug dov tawm nyob rau hauv ntau txoj kev los ntawm ntau yam khoom. Tam sim no lawv muaj txhua yam zoo nkauj npaum li cas hauv LTE uas muaj ceev ntawm roughly 5 mus rau 14 Mbps. Ib yam li cov tshuab 3G, cov ntsiav tshuaj yog feem ntau xauv mus rau ib qho kev sib tw ua ke nrog lawv daim npav SIM nrog. Yog li yuav tsum tshawb nrhiav seb koj yuav siv dabtsi ua ntej koj yuav tau ib lub ntsiav tshuaj nrog LTE tuition. Nco ntsoov qhia tseeb tias LTE cov kev pabcuam tau txais kev pabcuam uas koj yuav tau siv cov ntsiav tshuaj ua ntej siv cov nyiaj rau qhov kev pabcuam raws li qhov kev pabcuam thaum zoo tseem tsis heev kom mus txog li 3G.
3G yog dhau los ntawm cov qauv ntaub ntawv xov tooj rau cov ntaub ntawv xov tooj, tiam sis tsis zoo li feem ntau ntawm cov cuab yeej tshiab. Nws yog me ntsis nyuab dua 4G vim nws yog raws li ntau hom kev yees duab tab sis nws tseem khov kho mus rau ob tug ua hauj lwm nrog GSM los yog CDMA tes hauj lwm. Cov no khiav dhau ntau zaus thiab kev yees duab yees kom lawv tsis tuaj yeem cuam tshuam nrog lub cuab yeej. GSM networks yog tswj los ntawm AT & T thiab T-Mobile thaum CDMA tes hauj lwm yog xyuas los ntawm Sprint thiab Verizon hauv Teb Chaws Asmeskas. Kev ceev yog zoo ib yam ntawm 1 mus rau 2Mbps, tiam sis kev ntseeg tau zoo dua nrog ib lub network tshaj lwm qhov hauv cheeb tsam. Vim li ntawd, xyuas cov kev pabcuam khomob thiab cov ntawv tshaj tawm. Feem ntau, 3 lub vev xaib tau tshaj tawm yuav muab xauv rau hauv ib qhov kev pab cuam vim tias muaj ntawv cog lus exclusivity hauv Teb Chaws Asmeskas uas tso cai rau kho qhov chaw kho mob. Raws li, koj yuav tsum xyuas seb lub network twg koj xav siv ua ntej koj xaiv koj cov ntsiav tshuaj. 3G nta yog qhov tshwm sim tsawg dua hauv kev xaiv ntawm tus tshiab 4G wireless tshuab.
Bluetooth thiab Tethering
Bluetooth technology feem ntau yog ib txoj kev txuas cov wireless peripherals rau mobile xov tooj uas feem ntau hu ua "Personal Area Network (PAN). Qhov no muaj xws li cov khoom siv xws li keyboards lossis taub hau. Cov cuab yeej siv kuj siv tau los ua kev sib tham hauv zos rau kev xa cov ntaub ntawv ntawm cov khoom siv. Ib txoj haujlwm uas tib neeg xav siv tab sis yog tethering.
Tethering yog ib txoj kev sib txuas ib lub xov tooj ntawm tes xws li lub laptop lossis cov ntsiav tshuaj nrog ib lub xov tooj txawb los qhia kev sib txuas rau wireless broadband. Qhov no ua tau raws li nrog txhua yam khoom siv uas muaj wireless broadband thiab Bluetooth nrog lwm tus ntaus ntawv Bluetooth. Li ntawd, ib lub lag luam 3G / 4G muaj peev xwm faib tawm nrog lub laptop lossis 3G / 4G txawb xov tooj yuav muab kev sib txuas nrog lub ntsiav tshuaj. Qhov teeb meem yog tias feem ntau cov neeg lag luam wireless tau yuam kom cov tuam txhab kho mob thiab cov software tso tawm kom pom cov qauv hauv Teb Chaws Asmeskas. Yog li ntawd, nws yeej tsis yog ib txoj hauv kev zoo rau cov neeg siv nruab nrab, tiam sis yog ua tau rau cov neeg kam qhib lawv cov khoom siv los them cov nqa khoom rau kev siv lub tswv yim zoo li no.
Yog tias koj xav siv txoj haujlwm no, khij nrog cov neeg ua haujlwm hauv wireless thiab lub tshuab hluav taws xob los xyuas kom meej tias nws yog ua ntej koj yuav khoom kho. Qee cov tub lag luam tau pib muab nws tab sis nrog cov nqi them ntxiv. Tsis tas li ntawd, lub feature yuav ib txwm yuav tshem tawm los ntawm cov nqa khoom tom qab hnub tim.
Wireless Base Stations / txawb Hotspots / MiFi
Wireless stacking stations los yog mobile hotspots yog ib daim ntawv tshiab ntawm technology uas tso cai rau tus neeg mus txuas rau lub wireless router rau ib lub network high-speed wireless xws li 3G lossis 4G tes hauj lwm thiab pub lwm yam khoom siv uas muaj cov txheej txheem Wi-nkaus los qhia qhov kev sib txuas ntawm broadband. Cov thawj xws li ntaus ntawv hu ua MiFi ua los ntawm Novatel tes hauj lwm. Thaum cov kev daws teeb meem no tsis yog txav deb li deb li cov wireless broadband ua rau lub ntsiav tshuaj xwb, lawv tseem pab tau vim nws tso cai rau kev siv txuas nrog ntau dua ntawm cov khoom siv thiab muab cov neeg siv kev yooj yim ntawm kev pheej yig dua khoom kho vajtse. MiFi cov khoom siv tseem tseem yuav raug muab xauv rau hauv tus cab kuj thiab yuav tsum muaj daim ntawv cog lus xws li kev sib txuas lus rau ib qho kev qhia tshwj xeeb tshaj plaws ntawm 3G / 4G.
Interestingly, qee cov tshiab ntsiav tshuaj nrog 4G tshuab ua rau lawv tau tseem siv tau nyob hauv lub hotspot rau lwm Wi-nkaus enabled pab kiag li lawm. Qhov no yog qhov zoo nkauj heev rau cov neeg uas muaj ntsiav tshuaj thiab lub laptop uas xav siv ob leeg dhau ib daim ntawv cog lus. Raws li ib txwm, xyuas kom paub tseeb tias cov ntsiav tshuaj thiab cov ntaub ntawv cog lus pub rau cov kev ua haujlwm no.
Nyob ze rau ntawm cov lus teb
NFC los yog ze cheeb tsam ntawm kev lag luam yog ib qho tshiab tshiab kev sib tham network. Kev siv technology tshaj plaws tam sim no yog ib qho kev them nqi mobile nqi xws li Google hnab thiab Apple Pay . Raws li, nws yuav raug siv ntau tshaj qhov kev them nyiaj xwb tiam sis kuj yog rau kev syncing rau PCs los yog lwm yam tshuaj. Ob peb ntsiav tshuaj yog tam sim no pib ua qhov kev siv tshuab no.