论文信息 - Statistical characterization of a constant false alarm detector for GNSS signals

Statistical characterization of a constant false alarm detector for GNSS signals

In this work we present a theoretical formulation for the performance of a constant false alarm ratio (CFAR) detector for GNSS signals based on an FFT fully parallel acquisition scheme. The performance is measured in terms of receiver operating characteristic (ROC) and analytical expressions for the false alarm probability and the detection probability are derived. A detailed analysis is carried out and Monte Carlo simulations that validate the results are presented. A practical application example is also given, showing the usefulness of the derived formulas in the design of a GNSS receiver acquisition stage.

[1] A.J.R.M. Coenen,et al. New Fast GPS code-acquisition technique using FFT , 1991 .

[2] D. Akopian. Fast FFT based GPS satellite acquisition methods , 2005 .

[3] S. Kay. Fundamentals of statistical signal processing: estimation theory , 1993 .

[4] W.J. Hurd,et al. High Dynamic GPS Receiver Using Maximum Likelihood Estimationand Frequency Tracking , 1987, IEEE Transactions on Aerospace and Electronic Systems.

[5] Robert N. McDonough,et al. Detection of signals in noise , 1971 .

[6] Steven Kay,et al. Fundamentals Of Statistical Signal Processing , 2001 .

[7] Boaz Porat,et al. A course in digital signal processing , 1996 .

[8] G. G. Stokes. "J." , 1890, The New Yale Book of Quotations.

[9] Marvin K. Simon,et al. Spread Spectrum Communications Handbook , 1994 .

[10] John G. Proakis,et al. Digital Communications , 1983 .

[11] D. Borio,et al. Impact of GPS acquisition strategy on decision probabilities , 2008, IEEE Transactions on Aerospace and Electronic Systems.

[12] Markku Renfors,et al. CFAR detectorsfor hybrid-searchacquisitionof Galileosignals , 2005 .

[13] Bradford W. Parkinson,et al. Global positioning system : theory and applications , 1996 .