Software receiver for indoor position and navigation technology of global positioning system

Abstract

A software receiver of satellite positioning and navigation consists of receiver analog unit and receiver digital unit. It is featured as using computer program to realize all algorithms of seizing algorithm and track demodulation algorithm as well as position calculation algorithm in digitalized channel of receiver digital unit.

Description

technical field The invention belongs to the field of satellite positioning and navigation, in particular to the positioning and navigation of a high-precision global positioning system (hereinafter referred to as GPS) in an indoor environment. Background technique The research on GPS positioning and navigation technology in indoor environment mainly revolves around the acquisition, tracking, processing and application of weak GPS signals in indoor environment. The rich connotation and huge practical value of GPS application technology in indoor environment have attracted the attention of military departments, scientific research institutions and related units in many countries. Navigation and positioning technology in indoor environment has become a research hotspot all over the world. At present, the research on navigation and positioning technology in indoor environment mainly focuses on high-sensitivity GPS (HSGPS) technology and assisted GPS (AGPS) technology. The res...

AI Technical Summary

Problems solved by technology

However, generally speaking, the current GPS positioning technology that meets the requirements of the indoor environment is not very mature, and the existing indoor GPS receiver products are not ideal in terms of positioning accuracy, stability, reliability and real-time performance.

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