WiFi tam sim no yog ib feem tseem ceeb ntawm peb lub neej xws li nyeem ntawv, ua si, ua haujlwm thiab lwm yam.
Lub khawv koob ntawm cov nthwv dej xov tooj cua nqa cov ntaub ntawv rov qab los ntawm cov khoom siv thiab cov wireless routers.
Txawm li cas los xij, lub teeb liab ntawm lub network wireless tsis yog qhov txhia chaw. Qee zaum, cov neeg siv nyob rau hauv ib puag ncig nyuaj, cov tsev loj lossis villas feem ntau yuav tsum tau xa cov wireless extenders los ua kom muaj kev pabcuam ntawm cov teeb liab wireless.
Txawm li cas los xij, lub teeb hluav taws xob feem ntau pom muaj nyob rau hauv ib puag ncig sab hauv tsev. Puas yuav zoo dua yog tias peb tuaj yeem xa lub teeb liab wireless los ntawm lub teeb hluav taws xob?
Maite Brandt Pearce, ib tug xibfwb hauv Department of Electrical and Computer Engineering ntawm University of Virginia, tab tom sim siv cov leds los xa cov teeb liab wireless sai dua li cov kev sib txuas hauv Is Taws Nem tam sim no.
Cov kws tshawb nrhiav tau muab lub npe rau qhov project no hu ua "LiFi", uas tsis siv zog ntxiv los xa cov ntaub ntawv wireless los ntawm cov teeb LED. Muaj ntau lub teeb uas tam sim no tau hloov mus ua LEDS, uas tuaj yeem muab tso rau ntau qhov chaw hauv tsev thiab txuas nrog wireless rau Is Taws Nem.
Tab sis xib fwb Maite Brandt Pearce qhia tias tsis txhob muab koj lub router wireless sab hauv tsev pov tseg.
Cov teeb LED tso tawm cov teeb liab wireless network, uas tsis tuaj yeem hloov WiFi, tab sis tsuas yog ib txoj hauv kev pab txhawb nqa los nthuav dav wireless network.
Ua li no, txhua qhov chaw hauv ib puag ncig uas koj tuaj yeem teeb lub teeb tuaj yeem ua qhov chaw nkag mus rau WiFi, thiab LiFi muaj kev nyab xeeb heev.
Twb muaj cov tuam txhab uas tab tom sim siv LI-Fi los txuas rau hauv Is Taws Nem siv cov teeb ci los ntawm lub teeb rooj.
Kev xa cov teeb liab wireless los ntawm cov teeb LED tsuas yog ib qho thev naus laus zis uas muaj kev cuam tshuam loj rau Is Taws Nem ntawm Yam.
Los ntawm kev txuas rau lub network wireless uas lub teeb muab, lub tshuab kas fes hauv tsev, lub tub yees, lub tshuab cua sov dej thiab lwm yam tuaj yeem txuas rau Is Taws Nem.
Yav tom ntej, peb yuav tsis tas yuav nthuav dav lub network wireless uas lub router wireless muab rau txhua chav hauv tsev thiab txuas cov khoom siv rau nws.
Ib qho thev naus laus zis LiFi uas yooj yim dua yuav ua rau peb siv tau cov tes hauj lwm wireless hauv peb lub tsev.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-16-2020