An Overview, Survey, and Challenges in UAVs Communication Network

This Path Planning is one of the major problems in UAV which is yet to be explored to get an optimal path among two nodes (UAV). Though a huge amount of research proposals already endured related to path planning, still path planning problems persist keeping high mobility of UAVs. The usage and applications of UAV evolving rapidly in many areas. To solve the issues related to path planning, a certain optimal decision has to be taken for the various task done by UAV. All decision for path planning requires Navigation info. The motive behind path planning is not just a selection of the optimal path but also to get rid of collision during target operation. This is a very critical task to select the shortest path keeping in view that it should be collision-free to reach its final destination. UAVs have been used in civil applications as well. The main use of UAVs in civil applications is to search and rescue, surveillance, agriculture, monitoring, reconnaissance, etc. The path planning techniques are broadly divided into three brackets. i.e. Representative Techniques, Cooperative Techniques, and Non-Cooperative Techniques. These techniques provide a platform to analyze coverage in terms of area covered by UAVs and connectivity with neighboring UAVs. Path planning is the preliminary requirement of UAV for its autonomous function. In this article various challenges in path planning during target operation in an adversarial environment described in detailed manner.