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This paper proposes two modifications in tracking high dynamic GNSS signals with extended Kalman filter. One is used to estimate the amplitude of signals better, while the other is used to eliminate the phase error of correlator outputs. Simul-ation results show that the variance of estimation and BER of navigation data are both reduced highly.
This paper modifies the histogram bit synchronization algorithm. The expressions on probability of both synchronization and false alarm of histogram method have been deduced, and the quantity of measured bits as well as thresholds with best performance is acquired. Compared with results from relational literature, the average time of bit synchronization has(More)
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