nkhani zamafakitale
-
Pambuyo pa Kugwiritsa Ntchito Ma Millimeter Waves mu 5G, Kodi 6G/7G Idzagwiritsa Ntchito Chiyani?
Posachedwapa, ndi kutulutsidwa kwa 5G pamalonda, zokambirana zambiri zakhala zikuchitika. Odziwa bwino za 5G amadziwa kuti ma network a 5G amagwira ntchito makamaka pa ma frequency band awiri: sub-6GHz ndi millimeter wave (Millimeter Waves). Ndipotu, ma network athu a LTE onse amachokera pa sub-6GHz, pomwe millimeter...Werengani zambiri -
Chifukwa chiyani 5G(NR) imagwiritsa ntchito ukadaulo wa MIMO?
Ukadaulo wa I. MIMO (Multiple Input Multiple Output) umathandizira kulumikizana popanda zingwe pogwiritsa ntchito ma antenna angapo pa transmitter ndi receiver. Umapereka zabwino zazikulu monga kuchuluka kwa deta, kufutukuka kwa deta, kudalirika, komanso kukana kusokoneza ...Werengani zambiri -
Kugawa Ma Frequency Band a Beidou Navigation System
Dongosolo la Satellite Loyendera la Beidou (BDS, lomwe limadziwikanso kuti COMPASS, kumasulira kwa Chitchaina: BeiDou) ndi dongosolo lapadziko lonse lapansi loyendera satelayiti lomwe lidapangidwa palokha ndi China. Ndi dongosolo lachitatu lotsogola loyendera satelayiti lotsatira GPS ndi GLONASS. Beidou Generation I Band ya ma frequency allo...Werengani zambiri -
Dongosolo Lochenjeza Anthu la 5G (Radiyo Yatsopano) ndi Makhalidwe Ake
Dongosolo Lochenjeza Anthu la 5G (NR, kapena New Radio) (PWS) limagwiritsa ntchito ukadaulo wapamwamba komanso kuthekera kotumizira deta mwachangu kwa maukonde a 5G kuti lipereke chidziwitso cholondola komanso cholondola cha chenjezo ladzidzidzi kwa anthu panthawi yake. Dongosololi limagwira ntchito yofunika kwambiri pofalitsa...Werengani zambiri -
Kodi 5G(NR) Ndi Yabwino Kuposa LTE?
Zoonadi, 5G(NR) ili ndi ubwino waukulu kuposa 4G(LTE) m'mbali zosiyanasiyana zofunika, zomwe sizimangowonekera m'mafotokozedwe aukadaulo komanso zimakhudza mwachindunji zochitika zogwiritsira ntchito komanso kukulitsa zomwe ogwiritsa ntchito akukumana nazo. Mitengo ya Deta: 5G imapereka...Werengani zambiri -
Gome Lofotokozera la Ma Waveguide Okhazikika
Ma Chinese Standard British Standard Frequency (GHz) Inchi Inchi mm mm BJ3 WR2300 0.32~0.49 23.0000 11.5000 584.2000 292.1000 BJ4 WR2100 0.35~0.53 21.0000 10.5000 533.4000 266.7000 BJ5 WR1800 0.43~0.62 18.0000 11.3622 457.2000 288.6000 ...Werengani zambiri -
Kukhazikitsidwa kwa Nthawi ya 6G, China Ikupikisana Pakutulutsidwa Koyamba Padziko Lonse!
Posachedwapa, pa Msonkhano Wachigawo wa 103 wa 3GPP CT, SA, ndi RAN, nthawi yokonzekera kukhazikika kwa 6G idasankhidwa. Poyang'ana mfundo zingapo zofunika: Choyamba, ntchito ya 3GPP pa 6G idzayamba panthawi ya Kutulutsidwa 19 mu 2024, zomwe zikuwonetsa kuyambitsidwa kovomerezeka kwa ntchito yokhudzana ndi "zofunikira" (monga, 6G SA...Werengani zambiri -
Nthawi ya 6G ya 3GPP Yakhazikitsidwa Mwalamulo | Gawo Lofunika Kwambiri pa Ukadaulo Wopanda Waya ndi Ma Network Achinsinsi Padziko Lonse
Kuyambira pa 18 mpaka 22 Marichi, 2024, pa Msonkhano Wachigawo wa 103 wa 3GPP CT, SA ndi RAN, kutengera malingaliro ochokera pamsonkhano wa TSG#102, nthawi yokonzekera kukhazikika kwa 6G idasankhidwa. Ntchito ya 3GPP pa 6G idzayamba pa Release 19 mu 2024, zomwe zikuwonetsa kuyambitsidwa kovomerezeka kwa ntchito zokhudzana ndi ...Werengani zambiri -
China Mobile Yayambitsa Satellite Yoyamba Yoyesera ya 6G Padziko Lonse
Malinga ndi malipoti ochokera ku China Daily kumayambiriro kwa mwezi uno, adalengezedwa kuti pa 3 February, ma satellite awiri oyesera oyenda mozungulira pang'ono omwe amaphatikiza malo oyambira oyendetsedwa ndi satellite a China Mobile ndi zida zapakati pa netiweki adayambitsidwa bwino mumlengalenga. Ndi kutulutsidwa kumeneku, Chin...Werengani zambiri -
Chiyambi cha Ukadaulo wa Ma Antena Ambiri
Pamene kuwerengera kukuyandikira malire enieni a liwiro la wotchi, timatembenukira ku zomangamanga zamitundu yambiri. Pamene kulumikizana kukuyandikira malire enieni a liwiro lotumizira, timatembenukira ku machitidwe a ma antenna ambiri. Kodi ndi maubwino otani omwe adapangitsa asayansi ndi mainjiniya kusankha...Werengani zambiri -
Njira Zofananira Ma Antena
Ma antenna amagwira ntchito yofunika kwambiri pakupanga zizindikiro zolumikizirana opanda zingwe, zomwe zimagwira ntchito ngati njira yotumizira uthenga kudzera mumlengalenga. Ubwino ndi magwiridwe antchito a ma antenna zimapanga mwachindunji ubwino ndi magwiridwe antchito a kulumikizana opanda zingwe. Kufananiza kwa Impedance ndi ...Werengani zambiri