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Figure 1 | EURASIP Journal on Advances in Signal Processing

Figure 1

From: An Efficient Two-Fold Marginalized Bayesian Filter for Multipath Estimation in Satellite Navigation Receivers

Figure 1

Structure of the two-fold marginalized filter, which infers the a posteriori PDF of the channel parameters from the blockwise processed received signal. Each particle (black dots) of the central particle filter (PF) carries a grid-based filter (GBF) in which there are several Kalman filters (KF) according to the combination of active paths. The number of complex amplitudes to be tracked per KF (as indicated by the numbers in the boxes) ranges from 1 to .

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