Nthawi zambiri timatengera Wi-Fi mopepuka. Tikaganizira za kuthamanga kwa intaneti, nthawi zambiri timayang'ana matekinoloje operekedwa ndi wothandizira.
Ganizirani zakusintha komwe tidapanga mukayang'ana intaneti yoyimba ndikuiyerekeza ndi liwiro lomwe intaneti ya fiber optic imatheka.
Ngakhale zapita patsogolo paukadaulo wolumikizira deta, sitikuzindikira kuti matekinoloje opanda zingwe omwe amabwera nawo apitanso patsogolo kwambiri.
Ziribe kanthu kuti intaneti yanu imathamanga bwanji, kulumikizidwa kwapaintaneti kwa Wi-Fi kumatha kukhudzabe kusakatula kwanu.
M'nkhaniyi tiwona ukadaulo wa Wi-Fi, Gi-Fi ndi Li-Fi.
Choyamba, tikhala tikuwona mbiri yachidule ya momwe Wi-Fi yakhalira kuthamanga kwa intaneti mwachangu. Kenako, tiwonanso ukadaulo watsopano womwe umadziwika kuti Li-Fi, womwe umadzinenera kuti ndi wothamanga kwambiri kuposa miyezo yaposachedwa ya Wi-Fi.
Kodi Wi-Fi ndi chiyani?
Wi-Fi ndi ukadaulo wopanda zingwe womwe umalola zida kuti zilumikizane ndi intaneti. Kunena mwaukadaulo, Wi-Fi yomwe timagwiritsa ntchito masiku ano idakhazikitsidwa ndi mulingo wapadziko lonse lapansi womwe umadziwika kuti IEEE 802.11.
Mulingo uwu umathandizira kulumikizana pakati pa zida ndi ma routers opangidwa ndi opanga padziko lonse lapansi.
Wi-Fi imagwira ntchito bwino pakugwiritsa ntchito mzere wa zowonera. Izi zikutanthauza kuti zotchinga monga makoma ndi zida zazikulu zapakhomo zitha kuchepetsa kuchuluka kwa rauta iliyonse.
Zochepa za Wi-Fi
- liwiro: Poyerekeza ndi ma waya, Wi-Fi ndiyo njira yolumikizira pang'onopang'ono. Malumikizidwe opanda ziwaya amathanso kuchepa ngati zida zambiri zimalumikizana ndi Wi-Fi yomweyo
- bandiwifi: Ma routers ambiri omwe amapezeka pamalonda amalola mpaka zida zopitilira 30.
- Zolemba: Malumikizidwe opanda zingwe atha kukumana ndi "malo akuda" pomwe chizindikirocho sichikupezeka chifukwa chakutali kwa rauta kapena chifukwa cha zopinga zina.
- Security: Wi-Fi ili pachiwopsezo chowukiridwa ndi ochita zoyipa chifukwa malo olowera nthawi zambiri amawonekera mwachisawawa. Poyerekeza ndi kulumikizana kwa mawaya monga Efaneti, Wi-Fi safuna kulumikizana kulikonse. Mmodzi ayenera kukhala mkati mwa netiweki.
Gi-Fi: Kusintha kwa Gigabit Fidelity
Gi-Fi imatanthawuza kulumikizana opanda zingwe komwe kumatha kukwanitsa kuchuluka kwa ma bits kapena magigabiti opitilira biliyoni imodzi pamphindikati.
Ndi nthawi yosadziwika bwino, koma nthawi zambiri imagwirizanitsidwa ndi IEEE 802.15.3C, yomwe inasindikizidwa mu 2009. Mulingo uwu umalola kuti chiwerengero cha deta chikhale chapamwamba kwambiri pakanthawi kochepa mpaka 10m.
Chiyambireni mulingo woyamba wa Wi-Fi mu 1999, Wi-Fi yakula pang'onopang'ono kuchuluka kwake komanso kuchuluka kwa data.
Mu 2013, Wi-Fi idakhala yothamanga kwambiri ndi kutuluka kwa muyezo wa 802.11ac, womwe umanyamula pafupifupi katatu liwiro la omwe adatsogolera, 802.11n. Muyezo uwu umaphwanya gigabit pa sekondi iliyonse.
Masiku ano, timatcha mulingo uwu ngati mulingo wa Wi-Fi 5.
Posachedwa, Wi-Fi Alliance yakhala ikugwira ntchito pamlingo wotsatira womwe umadziwika kuti 802.11ax, womwe umadziwika kuti Wi-Fi 6.
Wifi-6 imatha kupitilira pafupifupi 9.6Gbps, komwe ndikukwera kuchokera pa Wi-Fi 5's 3.5 Gbps. Ma routers a Wi-Fi 6 apangidwa kuti azigwira bwino zida zambiri m'nyumba imodzi.
Izi ndizofunikira makamaka pamene kukwera kwaukadaulo wa intaneti ya Zinthu kukupitilira.
Pali njira ziwiri zazikulu zamakono za Wi-Fi 6. The MU-MIMO ukadaulo umalola rauta kulumikizana ndi zida 8 panthawiyo.
Mtengo wa OFDMA, kapena orthogonal frequency division multiple access ikhoza kulola rauta kuti apereke deta kuzipangizo zingapo panjira imodzi.
Matekinoloje onsewa adzalola kulumikizana mwachangu pakati pa rauta yanu ndi zida zozungulira.
Kodi Li-Fi ndi chiyani?
Li-Fi imatanthawuza mtundu waukadaulo wolumikizirana opanda zingwe womwe umagwiritsa ntchito kuwala kufalitsa deta pakati pa zida. Zimagwira ntchito poyendetsa magetsi pa nyali ya LED. Popeza ma LED ndi zida za semiconductor, zimatha kusinthidwa kuti zisinthe mwachangu kwambiri.
Kusinthasintha kwakukulu kumeneku sikungathe kuwonedwa ndi maso a munthu koma kumatha kuzindikirika ndikutanthauziridwa ndi zowunikira zapadera za Li-Fi.
Ukadaulowu ndi wofanana ndi Wi-Fi, koma pomwe Wi-Fi imagwiritsa ntchito ma frequency a wailesi kuti itumize deta, Li-Fi imagwiritsa ntchito kusinthasintha kwamphamvu yowunikira kufalitsa deta.
Chifukwa cha izi, Li-Fi ili ndi mwayi m'malo omwe amatha kusokonezedwa ndi ma elekitiroma. Mwamwayi, Li-Fi imatha kufalitsa pa liwiro la 100 Gbps.
Li-Fi ikhoza kugwirabe ntchito masana chifukwa teknoloji imadalira kuzindikira kwa kusintha kwa kuwala kwa kuwala osati milingo yeniyeni yomwe ingakhazikitsidwe ndi malo omwe alipo.
Li-Fi imagwiritsa ntchito ukadaulo wa optical wireless communications (OWC). Ukadaulo wamakono wa OWC umagwiritsa ntchito ma lasers kapena ma light emitting diode (LEDs) ngati ma transmitters.
Zofunikira za Li-Fi
- Li-Fi ilibe zosokoneza. Zizindikiro za Li-Fi zitha kugwiritsidwa ntchito m'malo ovuta monga zipatala, ndege, ndi mafakitale.
- Ukadaulowu umaperekanso latency yotsika yomwe imakhala yotsika katatu kuposa Wi-Fi.
- Li-Fi ndiyotetezeka kwambiri chifukwa zotchinga zakuthupi zimayimitsa ma siginecha kutuluka mchipindacho.
- Li-Fi imapereka chithandizo chambiri, kutanthauza kuti imatha kutsitsa ndikutsitsa nthawi imodzi.
- Mapulogalamu ena amathandizira kale WPA2 Personal and Enterprise kutsimikizika.
Ubwino ndi kuipa kwa Li-Fi
ubwino
- liwiro: mafunde opepuka amatha kunyamula zambiri kuposa mafunde a wailesi. Izi zikutanthauza kuti kutumiza deta kumatenga nthawi yochepa.
- Mwachangu: Babu lililonse la LED lomwe likugwiritsidwa ntchito litha kugwiritsa ntchito ukadaulo wa Li-Fi. Onyamula safunika kuwononga nthawi yochuluka kupanga ma routers, antennas, ndi zida zina zoyankhulirana.
- Security: Manetiweki a Li-Fi ndi ovuta kulumikiza ngati muli kunja kwa chipinda chomwe chatekinoloje idakhazikitsidwa. Mosiyana ndi Wi-Fi, makoma a malo omwe muli pano amaletsa ma siginecha a li-Fi.
- Kapezekedwe: Li-Fi imatha kuphatikizika mosavuta ndi magetsi omwe alipo monga magetsi amsewu, ndi magetsi omanga.
kuipa
- Zochepa mu Range: Ngakhale kuli ndi mwayi pachitetezo, Li-Fi kulephera kulowa m'zinthu zosawoneka bwino kumatanthauza kuti mtundu wa Li-Fi ndiwochepa. M'malo otseguka, Li-Fi imatha kukwera mpaka 10 metres.
- Kugwirizana Kwambiri: Monga ukadaulo watsopano, zogulitsa zodziwika bwino sizingafanane ndi Li-Fi posachedwa.
- Simathetsa kuthamanga kwa intaneti: Othandizira amawongolerabe momwe chidziwitso chimathawira mwachangu mu chipangizo cha Li-Fi.
Kutsiliza
Wi-Fi imalumikizidwa kwambiri ndi momwe anthu amagwirira ntchito pano. Ndizovuta kulingalira dziko lopanda Wi-Fi yolumikiza mafoni athu, ma laputopu, ndi zida zanzeru pa intaneti.
Pomwe kufunikira kwa liwiro la intaneti kukukulirakulira, ukadaulo wa Wi-Fi, Gi-Fi ndi Li-Fi upitilira kupanga zatsopano.
Msika wodziwika bwino wa ogula ukusintha pang'onopang'ono ukadaulo wa Gi-Fi, kapena ukadaulo wopanda zingwe wa gigabit monga kutsitsa makanema a 4K ndipo zida zambiri zanzeru zimakhala zodziwika bwino.
Tekinoloje yatsopano monga Li-Fi ikuyang'ana mabizinesi ang'onoang'ono ogwiritsira ntchito mabizinesi kuti atengerepo mwayi pamitengo yachangu komanso mawonekedwe achitetezo.
Siyani Mumakonda