Radio link design for ITS integrated network using drone

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In Okinawa Prefecture, the broadband environment varies widely between each remote island and region. Therefore, when a disaster occurs that requires a quick interpretation of the damage situation, this information gap is expected to become an obstacle to restoration work. Hence, we have proposed the intelligent transport system fusion ad hoc network using drones and next-generation automotive wireless-communication technology. The proposed system represents an innovation in the field of mesh network systems, being based on a combination of ubiquitous drones and ground vehicles. The radio link design parameters of this network in the Okinawa area were extracted based on the investigation of radio wave propagation of 920 MHz between the ground/sea and sky. Consequently, it was found that the coverage of the drone can be 150 to 300 m on land and larger at sea in consideration of the margin to satisfy the required line parameters.

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