Hauv ntiaj teb kev sib txuas lus hauv wireless , qee tus tau tsim los ntawm kev tawm suab nrawm heev nrog lub hom phiaj txhawb cov nqi siab tshaj plaws rau kev sib txuas lus sib txuas rau kev sib txuas lus.
Dab tsi yog 60 GHz raws tu qauv?
Pawg no ntawm wireless cov kab lis kev cai ua haujlwm nyob rau hauv ib qho kev qhia tawm (ntau yam) ntawm 60 Gigahertz (GHz) . (Nco ntsoov tias qhov ntau yog loj heev: cov kev cai no yuav sib txuas lus ntawm frequencies li tsawg li 57 GHz thiab siab li 64 GHz.). Cov frequencies no ho siab dua cov uas siv los ntawm lwm cov kab mob wireless, xws li LTE (0.7 GHz mus rau 2.6 GHz) los yog Wi-nkaus (2.4 GHz los yog 5 GHz). Qhov kev hloov no tseem ceeb nyob rau hauv 60 GHz systems muaj ib co kev ua tau zoo dua piv rau lwm cov kev cai network xws li Wi-nkaus tab sis kuj muaj qee cov kev txwv.
Pros thiab Cons ntawm 60 GHz kev cai
60 GHz cov txheej txheem siv cov teebmeem loj no kom nce cov txiaj ntsim ntawm cov khoom siv bandwidth thiab cov ntaub ntawv zoo uas lawv tuaj yeem pab txhawb. Cov kev cai no yog qhov zoo tshaj plaws rau cov kev tawm suab ntawm kev yees duab zoo tiam sis siv tau rau cov ntaub ntawv dav dav cov ntaub ntawv xa mus. Piv rau Wi-nkaus tes hauj lwm uas txhawb cov nqi siab tshaj plaws ntawm 54 Mbps thiab txog 300 Mbps, 60 GHz cov kev cai txhawb cov nqi siab tshaj 1000 Mbps. Thaum high-txhais video yuav streamed li Wi-nkaus, nws yuav tsum tau qee cov ntaub ntawv compression uas cuam tshuam rau kev yees duab zoo; tsis xws compression no yuav tsum tau nyob 60 GHz sib txuas.
Nyob rau hauv kev rov qab rau nce ceev, 60 Gbps raws tu qauv network ntau. Ib hom raug 60 Gbps wireless raws tu qauv yuav tsuas ua haujlwm nyob ntawm 30 feet (li 10 meters) lossis tsawg dua. Cov xov tooj hluav taws xob tsis tshua muaj zog tsis dhau los ntawm feem ntau lub cev tsis ua hauj lwm thiab cov kev sib txuas lus nyob sab hauv tsev kuj muaj kev txwv rau ib chav nkaus xwb. Ntawm qhov tod tes, qhov txo cov xov tooj cua no kuj txhais tau hais tias lawv tsis tshua muaj peev xwm cuam tshuam nrog lwm lub 60 GHz tes hauj lwm, thiab ua rau thaj chaw eavesdropping thiab network security break-ins nyuaj rau outsiders.
Tsoom fwv cov koom haum tswj kev tswj hwm 60 GHz siv thoob ntiaj teb tab sis feem ntau tsis tas yuav siv tau cov ntawv tso cai, tsis zoo li lwm lub teeb liab. Yog ib qho kev tsis pom zoo , 60 GHz nruab nrab yog tus nqi thiab sij hawm rau-kev lag luam kom zoo dua rau cov khoom siv ua lag luam uas yuav tsum tau txais txiaj ntsig zoo. Cov xov tooj cua no yuav siv zog ntau dua lwm hom wireless transmitters, ho.
WirelessHD
Ib pawg lag luam tsim thawj qauv 60 GHz raws tu qauv, WirelessHD, hais txog kev txhawb nqa high-definition video streaming. Tus 1.0 version ntawm tus qauv tiav nyob rau hauv 2008 txhawb cov ntaub ntawv ntawm 4 Gbps , thaum version 1.1 txhim kho cov nyiaj pab ntau tshaj ntawm 28 Gbps. UltraGig yog ib lub npe tshwj xeeb rau WirelessHD tus qauv siv technology los ntawm lub tuam txhab hu ua Silicon Image.
WiGig
WiGig 60 GHz wireless standard (los yog IEEE 802.11ad ) ua tiav rau xyoo 2010 txhawb cov ntaub ntawv txog 7 Gbps. Ntxiv rau qhov video streaming support, networking cov neeg muag khoom tau siv WiGig ua ib lub cim hloov tshiab rau cov neeg saib xyuas video thiab lwm lub tshuab computer. Ib lub tuam txhab kev lag luam hu ua Wireless Gigabit Alliance saib xyuas kev tsim kho technology hauv WiGig.
WiGig thiab WirelessHD yog plhuav tsom cov tub yees li sib tw. Muaj qee ntseeg tias WiGig tseem yuav hloov pauv Wi-nkaus technology ib hnub twg, tab sis qhov no yuav tsum tau daws qhov teeb meem kev txwv kev txwv.