2021年11月16日 星期二

Solar-powered UAV delivers broadband to smartphones

Airbus and NTT Docomo have shown that the UK-built solar-powered Zephyr High Altitude Pseudo-Satellite  (HAPS) can deliver wireless broadband connectivity direct to smart phones. Zephyr was conceived, designed and built by Qinetiq in the UK.   In 18-day stratospheric flights Zephyr’s radio transmitter provided a datalink  to simulate future direct-to-device connectivity. Tests included various bandwidths ...

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