Abstract
Given the problem that the existing method of station distributing the pseudosatellite system cannot ensure both its coverage and position in a situation of signal occlusion, it proposed a new stationary layout method with an elite strategy for a ground-based pseudosatellite positioning system based on the elite strategy of the nondominant genetic rankings (NSGA-II). The geometrical design of the pseudosatellite system is calculated by visual domain analysis and precision factors for the signal coverage age and base station. To optimize the algorithm, the NSGA-II algorithm is used. An earth pseudosatellite positioning system method of stationary distribution is obtained that simultaneously optimizes signal coverage and positioning accuracy. The algorithm is better distributed and has a certain superintendence compared with the traditional genetic algorithm.
Highlights
Ground-based pseudobase station is a kind of ground device placed on the ground and composed of ground transmitting base station and pseudolite receiver
This study proposes a station deployment method for the ground-based pseudolite system based on the NSGA-II algorithm
The second part of this paper introduces the basic content of the NSGA-II algorithm, the third part introduces the method of ground-based pseudolite positioning system station deployment, and the fourth part compares the application of the NSGA-II algorithm with the other three algorithms
Summary
Ground-based pseudobase station is a kind of ground device placed on the ground and composed of ground transmitting base station and pseudolite receiver It can provide users with continuous and highly reliable positioning, navigation, and other services. The above methods have improved the signal coverage or positioning accuracy of the ground-based pseudolite system to a certain extent, on the whole, the above methods have only been optimized from a single aspect, and the research on the signal coverage and geometric layout of the ground-based pseudolite system is not comprehensive enough. In the station deployment method, experiments show that this method can effectively improve the signal coverage and positioning accuracy of the system and provide a new idea for the station deployment of ground-based pseudolite system in various scenes. The NSGA-II algorithm proposed in this paper has good research significance for base station location and signal accuracy and solves the problem of base station location and positioning. The second part of this paper introduces the basic content of the NSGA-II algorithm, the third part introduces the method of ground-based pseudolite positioning system station deployment, and the fourth part compares the application of the NSGA-II algorithm with the other three algorithms
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