WiFi 7 (Wi-Fi 7) yog tus qauv tom ntej Wi-Fi. Sib ntaus rau IEEE 802.11, ib tug tshiab hloov kho tus qauv ieee 802.11be - tsis tshua muaj siab dhau los (EHT) yuav raug tso tawm
WI-FI 7 qhia cov thev naus laus zis xws li 320mHz bandwidth, ntau-ri-mimo, ntau dua li Wi-Fi 6 yuav muab cov ntaub ntawv hloov pauv hloov tshiab thiab qis dua. WI-FI 7 yuav tsum txhawb nqa kev sib tw dhau mus txog 30gbps, txog peb zaug ntawm Wi-Fi 6.
Cov yam ntxwv tshiab txhawb los ntawm Wi-Fi 7
- Txhawb Ntau 320MHz bandwidth
- Txhawb Ntau-Ru Mechanism
- Qhia cov txheej txheem siab tshaj 4096-QAM kev siv thev naus laus zis thev naus laus zis
- TEAM MOV-LINK NTAU NOV-LINEG TSHUAB
- Txhawb nqa cov ntaub ntawv ntws, Mimo ua haujlwm ua tau
- Kev Txhawb Nqa Cov Kev Txhawb Nqa ntawm ntau yam APPS
- Daim Ntawv Thov Kev Sau Npe ntawm Wi-Fi 7
1. Vim li cas Wi-Fi 7?
Nrog rau kev txhim kho WLAN thev naus laus zis, cov tsev neeg thiab cov lag luam thiab ntau dua ntawm Wi-nkaus raws li lub ntsiab txhais tau tias kev nkag mus rau lub network. Nyob rau hauv xyoo tsis ntev los no, cov ntawv thov tshiab muaj siab dua ntawm Wi-Fi cov kev tshaj tawm, thiab cov chaw taws teeb (kev sib tw huab cua) thiab cov chaw taws teeb) latency. (Txais tos kom them sai sai rau cov nom tswv: network engineer Aaron)
Txog rau qhov kawg no, IEEE 802.11 qauv qauv kev hloov kho tshiab IEEE 802.11be eht, uas yog Wi-Fi 7.
2. Tso sijhawm ntawm Wi-Fi 7
IEEE 802.11BE EHT pawg ua haujlwm tau tsim nyob rau hauv lub Tsib Hlis 2019, thiab kev txhim kho ntawm 802.11be (Wi-Fi 7) tseem nyob hauv kev kawm. Tag nrho cov qauv kev cai lij choj yuav raug tso tawm nyob rau hauv ob qho kev tshaj tawm, thiab tso tawm1 cia siab tias yuav tso thawj cov qauv hauv 2021 yuav tsum tso cov qauv thaum xaus 2022; RELEHT2 yuav tsum pib thaum ntxov 2022 thiab ua kom tiav tus qauv tso tawm los ntawm qhov kawg ntawm 2024.
3. Wi-Fi 7 vs Wi-Fi 6
Raws li Wi-Fi 6 tus qauv, Wi-Fi 7 qhia txog ntau cov thev naus laus zis tshiab, feem ntau yog xav hauv:
4. Cov yam ntxwv tshiab txhawb los ntawm Wi-Fi 7
Lub hom phiaj ntawm WI-FI 7 raws tu qauv yog txhawm rau nce kev tawm tsam ntawm WLAN network txog 30Gbps thiab muab cov kev nkag siab tsawg. Txhawm rau kom tau raws li lub hom phiaj no, tag nrho cov txheej txheem tau ua rau kev hloov pauv hauv phy txheej thiab mac txheej. Piv nrog Wi-Fi 6 raws tu qauv, cov kev hloov pauv tseem ceeb tau los ntawm Wi-nkaus 7 raws tu qauv yog raws li hauv qab no:
Txhawb Ntau 320MHz bandwidth
Daim ntawv tso cai-dawb spectrum hauv 2.4GHz thiab 5GHz zaus bands yog txwv thiab muaj neeg coob. Thaum uas muaj Wi-Fi khiav Cov ntawv thov nthuav qhia xws li VR / AR, nws yuav inevitably ntsib qhov teeb meem ntawm cov QOS tsawg. Txhawm rau kom ua tiav lub hom phiaj ntawm qhov siab tshaj plaws ntawm tsis muaj tsawg dua 30gbps, nrog rau kev txuas ntxiv 2400 + 2. txuas ntxiv 320 thiab tsis txuas ntxiv 160 + 160mHz. (Txais tos kom them sai sai rau cov nom tswv: network engineer Aaron)
Txhawb Ntau-Ru Mechanism
Hauv Wi-Fi 6, txhua tus neeg siv tsuas tuaj yeem xa lossis tau txais cov thav ntawv ntawm txoj haujlwm tshwj xeeb Ru, uas cuam tshuam ntau ntawm Spectrum cov kev teem caij. Txhawm rau kom daws tau qhov teeb meem no thiab txuas ntxiv txhim kho spectrum efficiency, Wi-Fi 7 txhais cov tshuab uas tso cai rau ntau tus neeg siv. Ntawm chav kawm, txhawm rau sib npaug ntawm kev siv ntawm kev siv hluav taws xob, cov txheej txheem loj dua li 242-lub suab me me) tsuas yog ua ke nrog cov rus loj, thiab me me Rus thiab RUS loj tau raug tso cai sib xyaw.
Qhia cov txheej txheem siab tshaj 4096-QAM kev siv thev naus laus zis thev naus laus zis
Txoj kev ntsuam xyuas ntau tshaj plaws ntawm cov qauv ntawmWi-Fi 6yog 1024-Qam, nyob rau hauv uas cov cim hloov nqa 10 khoom. Txhawm rau kom nce ntxiv tus nqi, Wi-Fi 7 yuav qhia 4096-Qam, yog li ntawd cov cim hloov nqa 12 khoom. Nyob rau hauv tib lub encoding, Wi-nkaus 7 xyoo 7 xyoo 40-Qam tuaj yeem ua tiav 20% nce ntxiv piv rau Wi-Fi 6's 1024-Qam. (Txais tos kom them sai sai rau cov nom tswv: network engineer Aaron)
TEAM MOV-LINK NTAU NOV-LINEG TSHUAB
Txhawm rau kom ua tiav kev siv nyiaj tau los ntawm tag nrho cov peev txheej spectrum, muaj kev sib koom tes thiab kis kev sib txuas lus ntawm 2.4 GHz, 5 GHz thiab 6 GHz. Cov pab pawg ua hauj lwm tau hais txog thev naus laus zis ntsig txog multi-illation ntawm multipection cov channel nkag, ntau hom kis thiab ntau hom kis tau sib txuas thiab lwm yam cuam tshuam.
Txhawb nqa cov ntaub ntawv ntws, Mimo ua haujlwm ua tau
Hauv Wi-Fi 7, tus naj npawb ntawm spatial ntws tau nce los ntawm 8 txog 16 hauv Wi-Fi 6, uas theoretically muaj ntau dua ob npaug ntawm kev sib kis lub cev. Txhawb cov ntaub ntawv ntws ntau kuj tseem yuav nqa cov nta muaj zog dua-faib cov ntsiab lus, tab sis los ntawm cov ntsiab lus nkag tau tib lub sijhawm, uas txhais tau tias ntau tus neeg yuav tsum koom tes nrog lwm tus ua haujlwm.
Kev Txhawb Nqa Cov Kev Txhawb Nqa ntawm ntau yam APPS
Tam sim no, nyob rau hauv lub moj khaum ntawm 802.11 raws kev sib koom tes, muaj tseeb tsis muaj kev koom tes ntawm APS. Hom WLan ua haujlwm xws li tsis siv neeg tu thiab tsis siv neeg roaming yog tus muag khoom-txhais tau hais. Lub hom phiaj ntawm kev txhawb nqa-APT yog tsuas yog txhawm rau xaiv cov Channel, kho cov roj av ntawm cov khoom siv ntawm xov tooj cua ntau yam. Kev sib koom tes sib koom tes nruab nrab ntawm ntau qhov hauv Wi-Fi 7, nrog rau kev sib koom tes ntawm nruab nrab ntawm cov xov tooj ntawm cov khoom siv cua.
Muaj ntau txoj hauv kev los tswj kev teem caij nruab nrab ntawm ntau cov APS, suav nrog C -Dus spatforming no -, CBF (tswj kev sib koom tes), thiab jxt (sib koom tes sib kis).
5. Thov cov xwm txheej ntawm Wi-Fi 7
Cov yam ntxwv tshiab qhia los ntawm Wi-Fi 7 yuav nce ntau cov ntaub ntawv kis tus nqi thiab muab cov txiaj ntsig zoo, thiab cov txiaj ntsig qis dua, thiab cov kev siv tau ntau dua rau kev siv cov ntawv txheej loj dua tshiab, raws li hauv qab no:
- Daim video ntws
- Daim Video / Suab Sib Tham
- Wireless Gaming
- Kev Sib Koom Tes Tiag Tiag
- Huab / Ntug Computing
- Industrial Internet ntawm tej yam
- Raus dej ar / vr
- Sib tham sib tham telemedicine
Lub Sijhawm Post: Feb-20-2023