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Description Probabilities of correct and incorrect signal selection in the presence of one narrowband interferer of 50 kHz bandwidth at 0.7fref, mixture of 3 BOC signals
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description State‐of‐art (traditional) positioning architectures: all available signals are processed and the selection decision is made (e.g., via an energy detector) after the acquisition and tracking stages
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Probability of incorrect signal selection for AWGN‐only scenario and 3 BOC‐modulated signals
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Normalized features used for classification for a mixture of three BOC signals in the presence of one narrprowband interferer of 50 kHz bandwidth at 0.35fref, C/N0=55 dB‐Hz, SIR=‐50 dB
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Probability of correct selection of strongest BOC signal for AWGN‐only scenario and a mixture of three BOC‐modulated signals
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Signal‐by‐signal probability of correct selection for AWGN‐only scenario and a mixture of three BOC‐modulated signals
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Illustration of the proposed energy‐band concept in PSD and SCF domains. PSD is the spectrum at zero cyclic frequency
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Features used for classification for a mixture of two BOC signals, at C/N0=35 dB‐Hz
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description SCF‐based proposed feature used for classification, theoretical and simulation‐based, for a mixture of 4 BOC signals similar with those in Figure : 0.52*BPSK(1)+0.33*CosBOC(1,1)+0.66*SinBOC(3.5,1)...
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description PSD‐based proposed feature used for classification, theoretical and simulation‐based, for a mixture of four BOC signals: (1 dB power differences): 0.52*BPSK(1)+0.33*CosBOC(1,1)+0.66*SinBOC(3.5,1)...
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description PSD for various BOC modulations. The frequencies ± flobeof the maximum peaks are also shown
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Features used for classification for a mixture of two BOC signals, at C/N0=55 dB‐Hz
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Contour plots for FFT‐based SCF (upper plot) and theoretical SCF limit (lower plot) for 2 sine BOC signal mixure: 1*SinBOC(1,1) + 0.79*SinBOC(6,1), 4 ms signal duration. Left: FFT length of 512...
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description α^smoothfor 23 classes of Sin/CosBOC modulations
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Illustration of the main lobe separation for a CosBOC(6,1) signal (NB1=12,NB2=2)
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Examples of simulations‐based (Sim) and theoretical (Th) SCF shapes, at zero frequency. Left: Very high Δf/Δα factor; right: low Δf/Δα factor (see figures’ titles). SinBOC(6,1) signal
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Future Cognitive Positioning Systems (CPS) architectures: a sub‐set of the available signals is selected blindly and processed by the positioning engine
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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Description Direct FFT‐based implementation of SCF
Article Title: Cyclic Frequencies of BOC‐Modulated GNSS Signals and Their Potential Within a Cognitive Positioning Framework
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