Multipath Estimating Tracking Loops in Advanced GNSS Receivers With Particle Filtering

Download Now Free registration required

Executive Summary

This paper studies Bayesian filtering techniques applied to the design of advanced delay/phase tracking loops in GNSS receivers, which estimate not only direct path parameters but those of multipath. The analysis includes trade-off among realistic propagation channel models and the use of a realistic simulation framework. The proposed filtering technique implements Rao-Blackwellization of linear states and a particle filter for the nonlinear partition. Computer simulations highlight the superior performance of such method when compared to traditional DLL/PLL based schemes, approaching theoretical limits.

  • Format: PDF
  • Size: 313.88 KB