Ubwino wa WIFI 6 ONT

Poyerekeza ndi mibadwo yakale yaukadaulo wa WiFi, zinthu zazikulu zomwe zili mu mbadwo watsopano wa WiFi 6 ndi izi:
Poyerekeza ndi mbadwo wakale wa 802.11ac WiFi 5, kuchuluka kwa ma transmissions a WiFi 6 kwawonjezeka kuchoka pa 3.5Gbps ya yoyamba kufika pa 9.6Gbps, ndipo liwiro la chiphunzitso lawonjezeka pafupifupi katatu.
Ponena za ma frequency band, WiFi 5 imagwiritsa ntchito 5GHz yokha, pomwe WiFi 6 imagwira ntchito 2.4/5GHz, yonse imagwira ntchito pazida zothamanga pang'ono komanso zothamanga kwambiri.
Ponena za modulation mode, WiFi 6 imathandizira 1024-QAM, yomwe ndi yokwera kuposa 256-QAM ya WiFi 5, ndipo ili ndi data yambiri, zomwe zikutanthauza liwiro lalikulu lotumizira deta.

Kuchedwa kotsika
WiFi 6 sikuti imangowonjezera kuchuluka kwa ma upload ndi download, komanso ikuwongolera kwambiri kuchuluka kwa ma network, zomwe zimathandiza kuti zipangizo zambiri zilumikizane ndi netiweki yopanda zingwe komanso kukhala ndi kulumikizana kwachangu nthawi zonse, zomwe zimachitika makamaka chifukwa cha ukadaulo watsopano wa MU-MIMO ndi OFDMA.
Muyezo wa WiFi 5 umathandizira ukadaulo wa MU-MIMO (multi-user multi-input multiple-output), womwe umathandizira downlink yokha, ndipo umatha kugwiritsa ntchito ukadaulo uwu pokhapokha akatsitsa zomwe zili. WiFi 6 imathandizira uplink ndi downlink MU-MIMO, zomwe zikutanthauza kuti MU-MIMO imatha kugwiritsidwa ntchito pokweza ndi kutsitsa deta pakati pa mafoni ndi ma rauta opanda zingwe, zomwe zimapangitsa kuti ma network opanda zingwe azigwiritsidwa ntchito bwino kwambiri.
Chiwerengero chachikulu cha mitsinje ya data ya malo yomwe imathandizidwa ndi WiFi 6 chawonjezeka kuchoka pa 4 mu WiFi 5 kufika pa 8, ndiko kuti, imatha kuthandizira MU-MIMO ya 8×8, chomwe ndi chimodzi mwa zifukwa zofunika kwambiri zomwe zimapangitsa kuti liwiro la WiFi 6 liwonjezeke kwambiri.
WiFi 6 imagwiritsa ntchito ukadaulo wa OFDMA (Orthogonal Frequency Division Multiple Access), womwe ndi mtundu wosinthika wa ukadaulo wa OFDM womwe umagwiritsidwa ntchito mu WiFi 5. Umaphatikiza ukadaulo wa OFDM ndi FDMA. Pambuyo pogwiritsa ntchito OFDM kusintha njira kukhala chonyamulira chachikulu, ma subcarrier ena Ukadaulo wotumizira deta umalola ogwiritsa ntchito osiyanasiyana kugawana njira yomweyo, zomwe zimathandiza kuti zipangizo zambiri zifike, ndi nthawi yochepa yoyankhira komanso kuchedwa kochepa.

Kuphatikiza apo, WiFi 6 imagwiritsa ntchito njira yotumizira chizindikiro cha Long DFDM kuti iwonjezere nthawi yotumizira ya chonyamulira chilichonse cha chizindikiro kuchokera pa 3.2 μs mu WiFi 5 mpaka 12.8 μs, kuchepetsa kuchuluka kwa kutayika kwa paketi ndi kubwezeretsanso, ndikupangitsa kuti kutumiza kukhale kokhazikika.

Kuchuluka kwakukulu
WiFi 6 imayambitsa njira ya BSS Coloring, kuyika chizindikiro pa chipangizo chilichonse cholumikizidwa ndi netiweki, ndikuwonjezera zilembo zofanana ku deta yake nthawi imodzi. Potumiza deta, pamakhala adilesi yofanana, ndipo imatha kutumizidwa mwachindunji popanda chisokonezo.

Ukadaulo wa MU-MIMO wa ogwiritsa ntchito ambiri umalola ma terminal angapo kugawana njira ya nthawi ya netiweki ya kompyuta, kuti mafoni/makompyuta angapo azitha kugwiritsa ntchito intaneti nthawi imodzi. Kuphatikiza ndi ukadaulo wa OFDMA, njira iliyonse yomwe ili pansi pa netiweki ya WiFi 6 imatha kutumiza deta mwachangu, ndikuwonjezera ogwiritsa ntchito ambiri. Chidziwitso cha netiweki pamalopo chingakwaniritse bwino zofunikira za malo opezeka pa WiFi, kugwiritsa ntchito ogwiritsa ntchito ambiri, ndipo sikophweka kuimitsa, ndipo mphamvu yake ndi yayikulu.

Zotetezeka
Ngati chipangizo cha WiFi 6 (rauta yopanda zingwe) chikufunika kutsimikiziridwa ndi WiFi Alliance, chiyenera kugwiritsa ntchito njira yachitetezo ya WPA 3, yomwe ndi yotetezeka kwambiri.
Kumayambiriro kwa chaka cha 2018, WiFi Alliance idatulutsa mbadwo watsopano wa protocol ya WiFi encryption WPA 3, yomwe ndi mtundu wosinthidwa wa protocol ya WPA 2 yomwe imagwiritsidwa ntchito kwambiri. Chitetezo chawonjezeka, ndipo chingathe kuletsa bwino kuukira kwa brute force ndi brute force cracking.
kusunga mphamvu zambiri
WiFi 6 imayambitsa ukadaulo wa TARget Wake Time (TWT), womwe umalola kukonzekera nthawi yolumikizirana pakati pa zipangizo ndi ma rauta opanda zingwe, kuchepetsa kugwiritsa ntchito ma antenna opanda zingwe a netiweki ndi nthawi yofufuzira ma signal, zomwe zingachepetse kugwiritsa ntchito mphamvu pamlingo winawake ndikukweza moyo wa batri la chipangizocho.

HUANET imapereka WIFI 6 ONT, ngati mukufuna, chonde titumizireni uthenga.