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亚马逊宣布为太空互联网星座项目设计柯伊伯天线

据外媒报道,当地时间12月16日,亚马逊公布了其客户接入该公司即将推出的大型卫星星座项目Kuiper的天线设计,该项目旨在从太空提供宽带互联网覆盖。 该天线采用相控阵设计,已于今年秋天进行开发和测试。亚马逊表示,该天线直径仅为12英寸,比传统天线设计更小、更轻。 测试表明该天线可提供高达400Mbps的最大吞吐量。 该公司还指出,这种天线可用于从地球同步卫星传输4K视频。 地球同步卫星是位于地球上空约22000英里(约32000公里)的航天器。不过,亚马逊柯伊伯卫星将距离地球更近。 今年7月,亚马逊获得美国联邦通信委员会(FCC)批准,为柯伊伯项目发射由3236颗卫星组成的卫星群。 航天器的飞行高度范围为590公里至630公里。 由于如此多的卫星靠近地球运行,柯伊伯项目将为地球上的个人用户提供低延迟宽带互联网覆盖。 其目标是为无法访问传统高速互联网的偏远地区和地区提供覆盖。

亚马逊宣布为太空互联网星座项目设计柯伊伯天线 1

亚马逊是众多专注于推出庞大太空互联网星座的公司之一。 值得注意的是,SpaceX的星链计划也瞄准了同样的目标。 该计划由近12000颗卫星组成,还将提供低至中地球轨道的宽带互联网。 目前,SpaceX已经发射了近1000颗星链卫星,甚至开始了初步测试。 亚马逊目前还没有发射任何卫星,也没有透露这些卫星将用什么样的火箭发射。亚马逊表示,通过缩小用户终端的尺寸,他们可以降低硬件制造成本,并降低客户选择的价格点。加入该计划。 该公司声称,他们可以通过将微型天线元件结构叠加在一起来实现小型化。 根据 Reddit 上 beta 测试人员发布的 SpaceX 用户终端照片,12 英寸直径的亚马逊天线比 Starlink 天线小得多。 据悉,为了测试 SpaceX 的 Starlink 硬件,Beta 测试人员必须首先为所有设备支付 499 美元,然后每月额外支付 99 美元。 亚马逊没有透露 Kuiper 项目的价格,但该公司承诺为该项目投资 100 亿美元。

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