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A Study on Data Acquisition in the Invisible Zone of UAV through LTE Remote Control

LTE 원격관제를 통한 UAV의 비가시권 데이터 취득방안

  • 정호현 (한국국토정보공사 공간정보연구원) ;
  • 이재희 (한국국토정보공사 공간정보연구원) ;
  • 박성진 ((주)시스테크)
  • Received : 2019.12.10
  • Accepted : 2019.12.18
  • Published : 2019.12.31

Abstract

Recently the demand for drones is rapidly increasing, as developing Unmanned Aerial Vehicle (UAV) and growing interest in them. Compared to traditional satellite and aerial imagery, it can be used for various researches (environment, geographic information, ocean observation, and remote sensing) because it can be managed with low operating costs and effective data acquisition. However, there is a disadvantage in that only a small area is acquired compared to the satellite and an aircraft, which is a traditional remote sensing method, depending on the battery capacity of the UAV, and the distance limit between Ground Control System (GCS) and UAV. If remote control at long range is possible, the possibility of using UAV in the field of remote sensing can be increased. Therefore, there is a need for a communication network system capable of controlling regardless of the distance between the UAV and the GCS. The distance between UAV and GCS can be transmitted and received using simple radio devices (RF 2.4 GHz, 915 MHz, 433 MHz), which is limited to around 2 km. If the UAV can be managed simultaneously by improving the operating environment of the UAV using a Long-Term Evolution (LTE) communication network, it can make greater effects by converging with the existing industries. In this study, we performed the maximum straight-line distance 6.1 km, the test area 2.2 ㎢, and the total flight distance 41.75 km based on GCS through LTE communication. In addition, we analyzed the possibility of disconnected communication through the base station of LTE communication.

Keywords

Acknowledgement

Grant : 수요처 맞춤형 실감형 3D 공간정보 갱신 및 활용지원 기술개발

Supported by : 국토교통부

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