Indoor Positioning Technology Based on Pseudo Satellite

With the increasing demand for indoor positioning, traditional GPS positioning technology can no longer meet people's needs, and pseudo satellite indoor positioning technology has become a new method to solve indoor positioning problems. Pseudo satellite indoor positioning technology can improve positioning accuracy through the collaborative positioning of multiple signal sources and meet the positioning needs of different scenarios. Pseudo satellite indoor positioning technology can be applied to the field of smart home to achieve a more intelligent home environment and improve the quality of life; Pseudo satellite indoor positioning technology can be applied to the construction of smart cities, improve the efficiency and quality of urban management and services, and provide people with more convenient life services [1]. The research and application of pseudo satellite indoor positioning technology has important practical significance and value.

This paper describes in detail that in the indoor complex environment, GNSS signals are easily occluded, so that the GNSS system cannot complete positioning services, and GNSS signals can be simulated through the establishment of pseudo satellite base stations to provide positioning services. In this project, the layout settings of indoor ground-based pseudo satellites and the calculation of HDOP values are studied, and the HDOP values under different pseudo satellites and layout modes are compared.

Experimental properties include: Positioning accuracy evaluation: Through simulation, it is possible to evaluate the positioning accuracy of pseudo-satellite systems in different configurations and environments. The smaller the HDOP value [2], the higher the positioning accuracy. System optimization design: Simulation can help researchers analyze and optimize pseudo-satellite layout schemes to reduce HDOP values and improve positioning accuracy. Environmental impact study: By simulating HDOP values in different environments (such as cities and mountains), the performance of pseudo-satellite positioning in complex environments can be studied [3].