… UAV communication technologies. The discussion in [45] investigated the major issues
related to UAV … We outline different open issues, challenges, and future research directions …

… for 5G UAV communication systems. The architecture of 5G UAV communication system is
first … To address the above mentioned issue, in this paper, a novel trust-based security scheme …

… Next, we discuss some issues and open research directions … -UAV communication is between
the UAV and its operating devices whereas inter-UAV communication is between the UAV …

… issues [8]. Among the above issues, the energy consumption of UAV communication is a key
… Therefore, in recent years, the research on improving the EE of UAV communication system …

… communication. This study also describes publication trends related to UAV-based LoRa
communication … the reported publications on UAV-based LoRa communication networks is …

… 6 presents open issues and research challenges in the context of ML applications in UAV-…
As a result, channel modeling accuracy can be significantly increased in UAV communication …

… The integration of BC (for security) and 5G (for communication) make the UAV communication
… We highlight a number of open issues and propose future research directions toward …

… sharing is a promising approach for the WI UAV communication service [17]. In this context,
… The highly dynamic network routing techniques are still an open research issue as most of …

… cellular UAV communications, as well as the challenging issues that need to be addressed
for … , acceleration, etc.) still remain largely open, which motivates our main study in this work. …