株式会社NTTドコモ
NTT DOCOMO is a leading Japanese mobile operator and a key contributor to mobile network technologies like 3G, 4G, and 5G. In the space industry, NTT DOCOMO is actively involved in developing High Altitude Platform Stations (HAPS) for mobile communication services, aiming to establish space-based radio access networks for ultra-wide mobile communication in air, sea, and space. They collaborate with partners like Space Compass, Airbus (AALTO HAPS), and Amazon (Project Kuiper) and are working towards commercializing HAPS-based connectivity and earth observation services, with a target launch in Japan by 2026.
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NTT Docomo is collaborating with international satellite communication services like Amazon Kuiper and Starlink Business, with direct satellite-smartphone communication services scheduled to commence in 2026.
Aalto, NTT Docomo, and Space Compass signed a Memorandum of Understanding in 2022.
NTT, NTT DOCOMO, NTT Communications, and SKY Perfect JSAT have formed a strategic collaboration with Project Kuiper to enhance satellite connectivity options for customers in Japan.
NTT DOCOMO plans to use Project Kuiper to connect rural and hard-to-reach parts of Japan to its telecom network.
Airbus, Nippon Telegraph and Telephone Corporation (NTT), NTT DOCOMO, INC. (DOCOMO), and SKY Perfect JSAT Corporation (SKY Perfect JSAT) have begun studying the feasibility of collaborating on future high-altitude platform stations (HAPS)-based connectivity services.
On 2021-11-15, DOCOMO and Airbus conducted a propagation test between the ground and a Zephyr S HAPS aircraft in the stratosphere that demonstrated the possibility of providing stable communication with that configuration.
Airbus, Nippon Telegraph and Telephone Corporation (NTT), NTT DOCOMO, INC. (DOCOMO), and SKY Perfect JSAT Corporation (SKY Perfect JSAT) began studying the feasibility of collaborating on future high-altitude platform stations (HAPS)-based connectivity services under a memorandum of understanding.
On 2021-11-15, DOCOMO and Airbus conducted a propagation test between the ground and a Zephyr S HAPS aircraft in the stratosphere that demonstrated the possibility of providing stable communication with that configuration.
The collaboration will investigate using the Airbus Zephyr and the wireless communication networks of NTT, DOCOMO, and SKY Perfect JSAT to test HAPS connectivity, identify practical applications, develop required technologies, and launch space-based wireless broadband services.
Airbus and NTT DOCOMO aim to provide communication services via HAPS to mountainous areas, remote islands, and maritime areas where radio waves are difficult to reach.
Airbus and NTT DOCOMO conducted a demonstration of using the solar-powered Zephyr High Altitude Platform Station (HAPS) to deliver wireless broadband connectivity in the United States in August.
Sky Perfect JSAT will use JCSAT-17 to provide C- and S-band connectivity for NTT DOCOMO and Ku-band services for other customers.