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なぜスターリンクは衛星と地上5Gの両方を求めるのか

Why Starlink Wants Both Satellites and Ground 5G

衛星インターネットで知られるスターリンクが、地上の5Gネットワークも築こうとしている。衛星と地上局の長所を組み合わせ、より完全なモバイルサービスを目指す狙いがある。
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Starlink is famous for sending internet signals from satellites. So, it may seem strange that the company also wants to build a 5G network on the ground. However, satellites and ground stations have different strengths. Starlink believes that combining them can create a more complete mobile service.

Satellites are useful because they can reach mountains, farms, oceans, and other places without cell towers. They can also provide communication when a natural disaster damages local equipment. Starlink’s Direct to Cell service is designed to connect ordinary mobile phones directly to satellites and reduce “dead zones,” where phones cannot get a signal. (ir.echostar.com)

However, satellite service has limits. A satellite must share its capacity with many people across a large area. In busy cities, thousands of users may want to watch videos, make calls, or download files at the same time. Ground-based 5G stations can handle more traffic in a smaller area. They can therefore provide faster and more stable service where many people live and work.

SpaceX, Starlink’s parent company, has bought wireless spectrum licenses from EchoStar. Spectrum means the radio frequencies used to carry wireless signals. Importantly, some of these licenses can be used for both satellite and ground communication. The US Federal Communications Commission has approved plans that support a hybrid network using both systems. (docs.fcc.gov)

In November 2026, Qualcomm announced that it would provide technology for Starlink Mobile’s ground-based 5G stations. The companies plan to begin the US rollout in 2027 and install tens of thousands of sites over several years. These stations are designed to improve coverage and serve more data traffic efficiently. (qualcomm.com)

The main idea is simple: satellites can provide wide coverage, while ground stations can provide greater capacity in crowded places. By joining the two, Starlink hopes to offer a mobile service that works both in remote areas and in cities—and compete more directly with traditional phone companies.

by EigoBoxAI
作成:2026/11/06 12:00
レベル:中級 (語彙目安:2000〜2500語)
タイプ:リーディング

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