Xov xwm
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Puas yog 5G (NR) txais MIMO thev naus laus zis?
I. MIMO (Multiple Input Multiple Output) thev naus laus zis txhim kho kev sib txuas lus wireless los ntawm kev siv ntau lub kav hlau txais xov ntawm ob lub transmitter thiab receiver. Nws muaj cov txiaj ntsig zoo xws li cov ntaub ntawv nce ntxiv, nthuav dav kev pab cuam, txhim kho kev ntseeg tau, txhim kho kev tiv thaiv kev cuam tshuam ...Nyeem ntxiv -
Zaus Band faib ntawm Beidou Navigation System
Lub Beidou Navigation Satellite System (BDS, tseem hu ua COMPASS, Suav transliteration: BeiDou) yog lub ntiaj teb satellite navigation system nws tus kheej tsim los ntawm Tuam Tshoj. Nws yog qhov thib peb paub tab satellite navigation system tom qab GPS thiab GLONASS. Beidou Generation I Lub zaus band allo ...Nyeem ntxiv -
5G (Tshiab Xov Tooj Cua) Kev Ceeb Toom rau pej xeem thiab nws cov yam ntxwv
5G (NR, lossis Xov Tooj Cua Tshiab) Pej Xeem Ceeb Toom (PWS) siv cov thev naus laus zis siab thiab muaj peev xwm xa cov ntaub ntawv ceev ceev ntawm 5G tes hauj lwm los muab cov ntaub ntawv ceeb toom xwm txheej ceev thiab raug raws sijhawm rau pej xeem. Qhov system no plays lub luag haujlwm tseem ceeb hauv kev tshaj tawm ...Nyeem ntxiv -
Puas yog 5G (NR) zoo dua LTE?
Tseeb tiag, 5G (NR) khav theeb qhov zoo ntawm 4G (LTE) hauv ntau yam tseem ceeb, tsis yog tsuas yog hauv cov kev qhia tshwj xeeb xwb tab sis tseem cuam tshuam ncaj qha rau cov xwm txheej thov siv tau thiab txhim kho cov neeg siv kev paub. Cov Ntaub Ntawv Tus Nqi: 5G muab ntau qhov siab ...Nyeem ntxiv -
Yuav Ua Li Cas Tsim Millimeter-Wave Lim thiab Tswj Lawv Qhov Loj thiab Ua Tau Zoo
Millimeter-wave (mmWave) lim thev naus laus zis yog ib qho tseem ceeb hauv kev ua kom muaj kev sib txuas lus hauv 5G wireless, tab sis nws ntsib ntau yam teeb meem ntawm lub cev qhov ntev, kev tsim kev kam rau siab, thiab qhov kub thiab txias. Nyob rau hauv lub realm ntawm mainstream 5G wirele ...Nyeem ntxiv -
Daim ntawv thov ntawm millimeter-Wave Lim
millimeter-wave filters, raws li cov khoom tseem ceeb ntawm RF cov cuab yeej, nrhiav kev siv dav hauv ntau qhov chaw. Thawj daim ntawv thov scenarios rau millimeter-wave lim muaj xws li: 1. 5G thiab yav tom ntej Mobile Communication Networks •...Nyeem ntxiv -
High-Power Microwave Drone Interference System Technology Txheej txheem cej luam
Nrog rau txoj kev loj hlob sai thiab kev siv dav dav ntawm drone technology, drones tau ua lub luag haujlwm tseem ceeb hauv kev ua tub rog, pej xeem, thiab lwm yam. Txawm li cas los xij, kev siv tsis raug lossis kev ua txhaum cai ntawm drones kuj tau ua rau muaj kev nyab xeeb thiab kev nyuaj. ...Nyeem ntxiv -
Standard Waveguide Designation Cross-reference Table
Suav Standard British Standard zaus (GHz) Ntiv Ntiv mm mm BJ3 WR2300 0.32 ~ 0.49 23.0000 11.5000 584.2000 292.1000 BJ4 WR2100 0.35 ~ 0.53 241.5000 0 BJ5 WR1800 0.43 ~ 0.62 18.0000 11.3622 457.2000 288.6000 ...Nyeem ntxiv -
6G ncua sij hawm teem, Tuam Tshoj Vies rau Ntiaj Teb Thawj Tso!
Tsis ntev los no, ntawm 103rd Plenary Lub Rooj Sib Tham ntawm 3GPP CT, SA, thiab RAN, ncua sij hawm rau 6G standardization tau txiav txim siab. Saib ntawm ob peb lub ntsiab lus tseem ceeb: Ua ntej, 3GPP txoj haujlwm ntawm 6G yuav pib thaum Lub Yim Hli 19 hauv 2024, kos npe rau kev tshaj tawm txoj haujlwm ntsig txog "xav tau" (ie, 6G SA ...Nyeem ntxiv -
3GPP's 6G ncua sij hawm tso tawm | Ib kauj ruam tseem ceeb rau Wireless Technology thiab Ntiaj Teb Ntiag Tug Networks
Los ntawm Lub Peb Hlis 18th txog 22nd, 2024, ntawm 103rd Plenary Lub Rooj Sib Tham ntawm 3GPP CT, SA thiab RAN, raws li cov lus pom zoo los ntawm TSG#102 lub rooj sib tham, ncua sij hawm rau 6G standardization tau txiav txim siab. 3GPP txoj haujlwm ntawm 6G yuav pib thaum Lub Ob Hlis 19 hauv 2024, kos npe rau kev tshaj tawm txoj haujlwm ntsig txog ...Nyeem ntxiv -
Tuam Tshoj txawb tau ua tiav lub ntiaj teb thawj 6G Test Satellite
Raws li kev tshaj tawm los ntawm Tuam Tshoj Txhua Hnub thaum pib ntawm lub hli, nws tau tshaj tawm tias Lub Ob Hlis 3rd, ob lub voj voog qis qis ua ke nrog Tuam Tshoj Mobile cov chaw nres tsheb satellite-borne hauv paus chaw nres tsheb thiab cov khoom siv hauv network tau ua tiav rau hauv lub voj voog. Nrog rau qhov kev tso tawm no, Chin ...Nyeem ntxiv -
Taw qhia rau Multi-Antenna Technologies
Thaum kev suav mus txog qhov txwv lub cev ntawm lub moos ceev, peb tig mus rau ntau cov qauv tsim. Thaum kev sib txuas lus mus txog qhov txwv lub cev ntawm kev sib kis ceev, peb tig mus rau ntau lub kav hlau txais xov. Dab tsi yog cov txiaj ntsig uas coj cov kws tshawb fawb thiab cov kws tshaj lij los xaiv ...Nyeem ntxiv