Agence Spatiale Europeenne

Universitat Politécnica De Catalunya

Adriano José Camps Carmona

Manuel Martin Neira

Luis Sempere Payá

Jorge Querol Borràs

Petri Viljo Emil Piironen

The present invention relates in general to communications and navigation systems and methods. In particular, the invention relates to a method and a system for detecting and eliminating radio frequency interferences in real time and more explicitly those related to satellite navigation systems. The invention is based on the application of a combination of techniques based on time domain, frequency domain, scale domain and statistical methods.

System and method for detecting and eliminating radio frequency interferences in real time

The invention relates to a digital circuit making it possible to measure the effective voltage of a signal, comprising at least one module exhibiting a sampler stage exhibiting an output generating an output logic signal which, for each given sampling period, exhibits a level representing the value of the voltage of the signal with respect to a given threshold (A), characterized in that it comprises a circuit (CIRC) for calculating a value representative of said effective voltage as a function of the difference between the number of times the output logic signal indicates that the voltage of the signal is above the given threshold (A) and the number of times the output logic signal indicates that this value is below said given threshold (A) over a duration corresponding to N given sampling periods.

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Barcelona, Spain

Adriano José Camps Carmona