Objectives  The complex environmental situation refers to real-time perception services for predicting the environment and its evolutionary trends, which serve as critical information for grasping the situation of actions and analyzing the layout of actions. The real-time perception services of complex environments integrating communication, navigation, and remote sensing fusion constitute a significant area of theoretical research.

  Methods  Based on the demand for real-time perception services in complex environments, we analyze the innovative ideas of communication, navigation, and remote sensing fusion, outline the scope of perception services for complex environment facilities, construct a real-time perception service platform for complex environments, discuss the architecture of real-time perception services in complex environments, and offer a prospect for complex environment real-time perception services that involve the integration of communication, navigation, and remote sensing fusion.

  Results  The novel real-time perception service for complex environments fully utilizes communication, navigation, remote sensing information resources, and smart Earth technologies to provide complex environmental factor support for the physical, information, cognitive, and social domain.

  Conclusions  The real-time perception service for the complex environment of integrated communication, navigation, and remote sensing is a new idea and exploration in the smart earth, and the construction of this system is of great significance.