MATLAB Source Code for GNSS Receiver Navigation and Positioning Calculation

This document presents MATLAB source code for GNSS receiver navigation and positioning calculation. To better understand and utilize these code implementations, here is some relevant background information. GNSS (Global Navigation Satellite System) is a satellite-based positioning technology that enables location determination anywhere on Earth. GNSS receivers are devices that receive and process satellite signals, achieving precise positioning through sophisticated signal calculations. MATLAB is a widely-used scientific computing software employed for data visualization, numerical analysis, and simulation applications. These MATLAB source codes implement critical algorithms including satellite ephemeris decoding, pseudorange measurement, navigation solution computation using least-squares or Kalman filter methods, and error compensation techniques. The code structure typically includes modules for signal acquisition, tracking loops, navigation data extraction, and position/velocity estimation. Researchers can use these implementations to better understand GNSS receiver operation principles, modify algorithms for specific applications, and conduct advanced research in positioning technologies.