• SoftBank announced results from August 2026 stratospheric communications trials on September 17, 2026, advancing development of an integrated ground-to-space network.
• Onboard edge computing returned smartphone data in an average 68 milliseconds, cutting latency by more than 40% compared with cloud-based processing.
• Ground-based lasers successfully tracked a moving stratospheric platform tens of kilometers away, supporting development of optical wireless communications.
• Drone trials demonstrated reliable autonomous flight control, positioning data transmission and video transmission through stratospheric connectivity, supporting disaster-response applications.

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