Design of encrypted secure wireless video real-time transmission and storage system based on 5G network

In order to ensure the real-time transmission and storage of video data collected by UAV camera and the security of system control commands, an encrypted and secure video transmission and storage system based the on 5G network is studied and designed in this paper. The 5G video transmission device of the system uploads the camera video data to the Linux server in H.264 compression mode and non-compression mode through the 5G network, respectively. The server saves the compressed video data in MP4 format and forwards the non-compression video data to the back-end playback device for real-time playback. The back-end video playback device can also send encrypted control commands to the 5G video transmission device. Finally, from experiments in the 5G SA environment, it can be found that the average transmission rate of uncompressed video data is 109Mb/s, the playback frame rate is 22fps, and the end-to-end playback delay is 51ms. In addition, the server's storage space for storing compressed video data consumes an average of 90Kb/s, and the average transmission delay of the system encryption command is 19ms. These performances meet the application requirements of military UAVs and civilian UAVs.