Raws li ntau xyoo ntawm kev tshawb fawb thiab kev txhim kho hauv cov khoom siv hauv Is Taws Nem, peb tau tham txog cov thev naus laus zis thiab cov kev daws teeb meem rau kev lees paub qhov zoo ntawm lub network broadband hauv tsev. Ua ntej, nws tshuaj xyuas qhov xwm txheej tam sim no ntawm qhov zoo ntawm lub network broadband hauv tsev, thiab sau ntau yam xws li fiber optics, gateways, routers, Wi-Fi, thiab kev ua haujlwm ntawm cov neeg siv uas ua rau muaj teeb meem zoo ntawm lub network broadband hauv tsev. Qhov thib ob, cov thev naus laus zis tshiab ntawm lub network hauv tsev uas cim los ntawm Wi-Fi 6 thiab FTTR (Fiber To The Room) yuav raug qhia.
1. Kev tshuaj xyuas cov teeb meem zoo ntawm lub network hauv tsev broadband
Nyob rau hauv tus txheej txheem ntawmFTTH(fiber-rau-tsev), vim muaj kev cuam tshuam ntawm qhov deb ntawm kev xa xov optical, kev faib tawm optical thiab kev poob ntawm cov khoom siv sib txuas, thiab kev khoov fiber optical, lub zog optical tau txais los ntawm lub rooj vag yuav qis thiab qhov yuam kev me ntsis yuav siab, ua rau muaj kev nce ntxiv ntawm cov nqi poob ntawm cov txheej txheem sab saud. , tus nqi poob qis.
Txawm li cas los xij, qhov kev ua haujlwm kho vajtse ntawm cov rooj vag qub feem ntau qis, thiab teeb meem xws li CPU thiab lub cim xeeb siv ntau thiab kub dhau ntawm cov khoom siv feem ntau tshwm sim, ua rau rov pib dua tsis zoo thiab poob ntawm cov rooj vag. Cov rooj vag qub feem ntau tsis txhawb nqa gigabit network ceev, thiab qee cov rooj vag qub kuj muaj teeb meem xws li cov chips qub, uas ua rau muaj qhov sib txawv loj ntawm qhov tseeb ceev ntawm kev sib txuas network thiab qhov theoretical nqi, uas txwv ntxiv qhov ua tau ntawm kev txhim kho tus neeg siv kev paub online. Tam sim no, cov rooj vag tsev ntse qub uas tau siv rau 3 xyoos lossis ntau dua ntawm lub network nyob tseem nyob hauv qee qhov feem pua thiab xav tau hloov.
Lub zaus 2.4GHz yog ISM (Industrial-Scientific-Medical) zaus band. Nws yog siv ua zaus band rau xov tooj cua xws li wireless local area network, wireless access system, Bluetooth system, point-to-point lossis point-to-multipoint spread spectrum communication system, nrog ob peb qhov zaus thiab bandwidth tsawg. Tam sim no, tseem muaj qee qhov feem pua ntawm cov rooj vag txhawb nqa 2.4GHz Wi-Fi zaus band hauv lub network uas twb muaj lawm, thiab qhov teeb meem ntawm co-frequency/adjacent frequency cuam tshuam yog qhov tseem ceeb dua.
Vim yog qhov teeb meem software thiab kev ua haujlwm tsis txaus ntawm qee lub rooj vag, kev sib txuas PPPoE feem ntau raug tso tseg thiab lub rooj vag feem ntau rov pib dua, ua rau cov neeg siv internet tsis tuaj yeem nkag mus tau. Tom qab kev sib txuas PPPoE raug cuam tshuam tsis tu ncua (piv txwv li, qhov txuas uplink raug cuam tshuam), txhua lub chaw tsim khoom rooj vag muaj cov qauv kev siv tsis sib xws rau kev kuaj pom chaw nres nkoj WAN thiab rov ua PPPoE dialing. Qee lub chaw tsim khoom rooj vag ntes tau ib zaug txhua 20 vib nas this, thiab rov hu dua tsuas yog tom qab 30 qhov kev kuaj pom tsis ua tiav. Yog li ntawd, nws siv sijhawm 10 feeb rau lub rooj vag kom pib PPPoE rov ua dua tom qab tsis ua haujlwm, cuam tshuam loj heev rau kev paub ntawm tus neeg siv.
Muaj ntau tus neeg siv lub rooj vag hauv tsev tau teeb tsa nrog cov routers (tom qab no hu ua "routers"). Ntawm cov routers no, muaj ob peb lub tsuas yog txhawb nqa 100M WAN ports, lossis (thiab) tsuas yog txhawb nqa Wi-Fi 4 (802.11b/g/n).
Qee lub tuam txhab tsim khoom siv cov routers tseem muaj tsuas yog ib qho ntawm WAN ports lossis Wi-Fi protocols uas txhawb nqa Gigabit network speeds, thiab dhau los ua "pseudo-Gigabit" routers. Tsis tas li ntawd, lub router txuas nrog lub rooj vag los ntawm lub network cable, thiab lub network cable siv los ntawm cov neeg siv yog qhov tseem ceeb yog pawg 5 lossis super pawg 5 cable, uas muaj lub neej luv luv thiab tsis muaj zog tiv thaiv kev cuam tshuam, thiab feem ntau ntawm lawv tsuas yog txhawb nqa 100M ceev. Tsis muaj ib qho ntawm cov routers thiab network cables saum toj no tuaj yeem ua tau raws li qhov xav tau ntawm kev hloov pauv ntawm gigabit thiab super-gigabit networks tom ntej. Qee lub routers rov pib dua ntau zaus vim muaj teeb meem zoo ntawm cov khoom, cuam tshuam loj heev rau kev paub ntawm tus neeg siv.
Wi-Fi yog txoj kev npog wireless sab hauv tsev tseem ceeb, tab sis ntau lub rooj vag hauv tsev raug muab tso rau hauv cov thawv hluav taws xob tsis muaj zog ntawm lub qhov rooj ntawm tus neeg siv. Txwv los ntawm qhov chaw ntawm lub thawv hluav taws xob tsis muaj zog, cov khoom siv ntawm lub hau, thiab hom tsev nyuaj, lub teeb liab Wi-Fi tsis txaus los npog txhua qhov chaw sab hauv tsev. Qhov deb ntawm lub cuab yeej davhlau ya nyob twg nyob ntawm qhov chaw nkag mus rau Wi-Fi, qhov ntau qhov teeb meem muaj, thiab qhov ntau qhov poob ntawm lub zog teeb liab, uas yuav ua rau kev sib txuas tsis ruaj khov thiab cov ntaub ntawv poob.
Yog tias muaj kev sib txuas lus hauv tsev ntawm ntau lub cuab yeej Wi-nkaus, cov teeb meem cuam tshuam tib lub zaus thiab cov channel sib ze feem ntau tshwm sim vim yog qhov chaw teeb tsa channel tsis tsim nyog, ua rau tus nqi Wi-nkaus txo qis.
Thaum qee tus neeg siv txuas lub router rau lub rooj vag, vim tsis muaj kev paub txog kev ua haujlwm, lawv yuav txuas lub router rau lub qhov rooj network uas tsis yog gigabit ntawm lub rooj vag, lossis lawv yuav tsis txuas lub network cable nruj nreem, ua rau cov chaw nres nkoj network xoob. Hauv cov xwm txheej no, txawm tias tus neeg siv tau txais kev pabcuam gigabit lossis siv lub router gigabit, nws tsis tuaj yeem tau txais kev pabcuam gigabit ruaj khov, uas kuj coj cov teeb meem rau cov neeg teb xov tooj los daws cov teeb meem.
Qee tus neeg siv muaj ntau lub cuab yeej txuas nrog Wi-Fi hauv lawv lub tsev (ntau dua 20) lossis ntau daim ntawv thov rub tawm cov ntaub ntawv ntawm qhov ceev ceev tib lub sijhawm, uas tseem yuav ua rau muaj kev tsis sib haum xeeb loj heev ntawm Wi-Fi channel thiab kev sib txuas Wi-Fi tsis ruaj khov.
Qee tus neeg siv siv cov terminals qub uas tsuas yog txhawb nqa ib qho zaus Wi-Fi 2.4GHz zaus band lossis cov Wi-Fi protocols qub dua, yog li lawv tsis tuaj yeem tau txais kev paub hauv Is Taws Nem ruaj khov thiab ceev.
2. Cov thev naus laus zis tshiab los txhim kho kev sib txuas lus hauv tsevQqhov zoo
Cov kev pabcuam uas muaj bandwidth siab, thiab latency qis xws li 4K/8K high-definition video, AR/VR, kev kawm online, thiab chaw ua haujlwm hauv tsev maj mam dhau los ua qhov xav tau ntawm cov neeg siv hauv tsev. Qhov no ua rau muaj kev xav tau ntau dua rau qhov zoo ntawm lub network broadband hauv tsev, tshwj xeeb tshaj yog qhov zoo ntawm lub network broadband hauv tsev. Lub network broadband hauv tsev uas twb muaj lawm raws li FTTH (Fiber To The House, fiber rau lub tsev) thev naus laus zis tau nyuaj rau ua kom tau raws li cov kev xav tau saum toj no. Txawm li cas los xij, Wi-Fi 6 thiab FTTR thev naus laus zis tuaj yeem ua tau raws li cov kev xav tau saum toj no thiab yuav tsum tau xa mus rau ntau qhov chaw sai li sai tau.
Wi-nkaus 6
Xyoo 2019, Wi-Fi Alliance tau muab lub npe rau 802.11ax technology Wi-Fi 6, thiab muab lub npe rau 802.11ax thiab 802.11n technologies yav dhau los Wi-Fi 5 thiab Wi-Fi 4.
Wi-nkaus 6qhia txog OFDMA (Orthogonal Frequency Division Multiple Access, Orthogonal Frequency Division Multiple Access), MU-MIMO (Multi-User Multiple-Input Multiple-Output, multi-user multiple-input multiple-output technology), 1024QAM (Quadrature Amplitude Modulation, quadrature amplitude modulation) thiab lwm yam thev naus laus zis tshiab, qhov theoretical maximum download rate tuaj yeem ncav cuag 9.6Gbit/s. Piv nrog rau cov thev naus laus zis Wi-Fi 4 thiab Wi-Fi 5 uas siv dav tshaj plaws hauv kev lag luam, nws muaj qhov kis tau zoo dua, muaj peev xwm ua haujlwm ua ke ntau dua, qeeb dua, kev pabcuam dav dua thiab kev siv hluav taws xob tsawg dua.
FTTRTkev siv tshuab
FTTR hais txog kev xa tawm ntawm txhua lub rooj vag optical thiab cov khoom siv hauv tsev raws li FTTH, thiab kev paub txog kev sib txuas lus fiber ntau rau cov chav neeg siv los ntawmPONthev naus laus zis.
Lub rooj vag tseem ceeb FTTR yog lub hauv paus ntawm FTTR network. Nws txuas nrog rau OLT los muab fiber-rau-lub-tsev, thiab nqes mus rau hauv qab los muab cov chaw nres nkoj optical los txuas ntau lub rooj vag FTTR slave. Lub rooj vag FTTR slave sib txuas lus nrog cov khoom siv davhlau ya nyob twg los ntawm Wi-Fi thiab Ethernet interfaces, muab kev ua haujlwm bridging los xa cov ntaub ntawv ntawm cov khoom siv davhlau ya nyob twg mus rau lub rooj vag tseem ceeb, thiab lees txais kev tswj hwm thiab kev tswj hwm ntawm FTTR lub rooj vag tseem ceeb. Lub network FTTR tau qhia hauv daim duab.
Piv nrog rau cov txheej txheem ib txwm muaj xws li kev sib txuas lus cable network, kev sib txuas lus kab hluav taws xob, thiab kev sib txuas lus wireless, FTTR networks muaj cov txiaj ntsig hauv qab no.
Ua ntej, cov khoom siv network muaj kev ua tau zoo dua thiab bandwidth siab dua. Kev sib txuas fiber ntau ntawm lub rooj vag tswv thiab lub rooj vag qhev tuaj yeem nthuav dav gigabit bandwidth mus rau txhua chav ntawm tus neeg siv, thiab txhim kho qhov zoo ntawm tus neeg siv lub network hauv tsev hauv txhua yam. Lub network FTTR muaj ntau qhov zoo dua hauv kev xa bandwidth thiab kev ruaj khov.
Qhov thib ob yog kev pab them nqi Wi-Fi zoo dua thiab zoo dua. Wi-Fi 6 yog tus qauv teeb tsa ntawm FTTR gateways, thiab ob qho tib si lub rooj vag tseem ceeb thiab lub rooj vag qhev tuaj yeem muab kev sib txuas Wi-Fi, ua kom zoo dua qhov ruaj khov ntawm Wi-Fi networking thiab lub zog ntawm cov teeb liab.
Qhov zoo ntawm lub intranet hauv tsev network raug cuam tshuam los ntawm cov yam xws li qhov kev teeb tsa network hauv tsev, cov khoom siv rau cov neeg siv, thiab cov chaw rau cov neeg siv. Yog li ntawd, kev nrhiav thiab nrhiav qhov tsis zoo ntawm lub network hauv tsev yog qhov teeb meem nyuaj ntawm lub network nyob. Txhua lub tuam txhab sib txuas lus lossis tus neeg muab kev pabcuam network muab nws cov kev daws teeb meem. Piv txwv li, cov kev daws teeb meem rau kev soj ntsuam qhov zoo ntawm lub intranet hauv tsev network thiab nrhiav qhov tsis zoo; txuas ntxiv tshawb nrhiav kev siv cov ntaub ntawv loj thiab cov thev naus laus zis txawj ntse hauv kev txhim kho qhov zoo ntawm cov network hauv tsev broadband; txhawb kev siv FTTR thiab Wi-Fi 6 thev naus laus zis Lub hauv paus zoo ntawm lub network dav dav thiab ntau ntxiv.
Lub sijhawm tshaj tawm: Tsib Hlis-08-2023