Low-altitude 3D traffic maps for UAV: current technology, key issues, and future development

Low-altitude high-precision 3D traffic maps are crucial navigation tools for UAV and low-altitude aircraft operating in urban airspaces. This paper aims to analyze the current state of technology, key issues, and future development trends of low-altitude high-precision 3D traffic maps. The paper first compares the current status of technological development, application scenarios, policies, regulations, and industrialization. It then delves into future technological trends and critical technological issues that need to be addressed. Finally, it presents a demand analysis and major scientific and technological tasks. Through a comprehensive analysis of technology and market trends, this paper provides guidance for the future development of low-altitude high-precision 3D traffic maps.