STARLINK satellites train seen from earth - Elon Musk SpaceX
Subscribe: https://www.youtube.com/subscription_center?add_user=ViralVideoLabThis video shows the SpaceX Starlink satellites train seen from europe. "Starlin...
这个解释基本靠谱:The V2 satellites have additional equipment and are essentially cell towers orbiting the earth.
-narra(万儿八千);
1-3{283}(#15867912@0)+3
Basically, its LTE Band 25 (well, part of the band) operating at 1910-1915 MHz and 1990-1995 MHz with a bandwidth of 1.4 MHz or 5MHz. Theortical upload of 3.0 Mbps or 7.2 Mbps and download of 4.4 Mbps or 18.3 Mbps. Basically, its fairly low frequency to achieve the distances needed.
LZ明白这意思吗:"the billionaire warned can't compete with terrestrial networks"…"it is not meaningfully competitive with existing terrestrial cellular networks"…"Starlink also notes the satellites will let users connect 'wherever you can see the sky'"
-see1see(Isee);
1-3(#15868489@0)
4G移动网络的基本带宽:下行100Mbps、上行50Mbps,LZ所转的文中有转推特的画面里有句:“Note, this only supports ~7Mb per beam....",100Mbps与7Mb的差距是多少?每颗卫星对所覆盖地区能提供多少个用户同时拥有7Mb的可怜带宽?是同时!(并发用户)
-see1see(Isee);
1-3(#15868503@0)
仍然是双向服务,和手机通信功能一样。马斯克提醒的是,现阶段只用6颗星链卫星做的实验,一个beam只有7Mb带宽,无法与地面蜂窝电话竞争,但是他说在没有地面通信网络时,星链是一个. Great solution (#15866935@0)
-w4b(w4b);
1-3(#15868513@0)
那是过去的图,就在昨天,星链测试了 Direct to Cell capability,就是它网页说的:Seamless access to text, voice, and data for LTE phones across the globe 马斯克很快,知识要与时俱进 (#15866924@0)
-w4b(w4b);
1-3(#15868542@0)
STARLINK satellites train seen from earth - Elon Musk SpaceX
Subscribe: https://www.youtube.com/subscription_center?add_user=ViralVideoLabThis video shows the SpaceX Starlink satellites train seen from europe. "Starlin...
这啥意思明白吗:"the billionaire warned can't compete with terrestrial networks"…"it is not meaningfully competitive with existing terrestrial cellular networks"…"Starlink also notes the satellites will let users connect 'wherever you can see the sky'"
-see1see(Isee);
1-3(#15868485@0)