Huawei has published a patent for a “star finding method and device”, with the publication number CN114494408A. The patent details show that the application provides a method and device for finding a satellite, which can be applied to a satellite communication system so that the method for finding a satellite is suitable for a mobile terminal.
The star-finding method includes:
According to the location information of the mobile terminal, the location information of the available satellites, and the three-dimensional 3D map information, it is determined whether the direct line of sight between the mobile terminal and the available satellites has been blocked by obstacles.
If the direct line of sight has been blocked by an obstacle, the location information of the target area is determined according to the 3D map information. The target area is an area in which there is a direct line of sight between the mobile terminal and the available satellites.