Fig. 1 LTE/WiFi Video Transfer System Architecture of Testbed UAV Platform
Fig. 2 Components of Airborne Datalink Terminal
Fig. 3 Airborne Datalink Terminal (ADT)
Fig. 4 Ground Datalink Terminal (GDT)
Fig. 5 Software Architecture
Fig. 6 RTP packet format
Fig. 7 Network configuration for LTE communication connection
Fig. 8 Port Forwarding and Mapping Scheme using one M2M server in LTE network
Fig. 9 Packet transfer between ADT to M2M server
Fig. 10 Ground Test Configuration
Fig. 11 Network Performance Measurement by iPerf Program
Fig. 12 Testbed UAV Setup for Functional Test of Command & Control (C2) Data Transfer
Fig. 13 Parameters downloaded from Flight Controller using C2 Datalink
Fig. 14 Upload of Waypoints for Mission Planning
Fig. 15 Ground Test Setup for HD Video Transfer Function using LTE/WiFi Communication
Fig. 16 Display of Streaming Video on VLC Player using LTE Datalink
Fig. 17 Installation and Ground Test on Testbed UAV Platform
Fig. 18 Removal of WiFi antenna and cable for Automatic Link Switching Function Test
Table 1 Features of Airborne Datalink Terminal
Table 2 Serial Communication Setting for Flight Controller Interface
Table 3 Command Transfer and Operation Results in C2 Link Functional Test
References
- S. Hayat, E. Yanmaz and R. Muzaffar, "Survey on Unmanned Aerial Vehicle Networks for Civil Application: A Communications Veiwpoint," IEEE Communications Surveys and Tutorials, 2016.
- S. H. Son, J. H. Kang and K. J. Park, "Overview and Issues of Drone Wireless Communication" Information & Communication Magazine, vol. 33, no. 2, pp. 93-99, February 2016.
- http://www.dji.com/kr/lightbridge-2/info
- J. W. Bae and S. J. Lee, "Design of Streaming Video Transfer System for Small Unmanned Aerial Vehicle," Proc. of the 2017 SASE Spring Conference, pp. 269-271, April 2017.