Device And Method For Estimating Interference And Radiofrequency Communication System

Abstract: The invention concerns a method implemented by computer means for estimating interference on a radiofrequency system using a set of channels (CHi), said interference being caused by interferers of an interfering system using a set of transmission bands (TBi), each of said transmission band extending on a plurality of contiguous channels of said set of channels, Wherein the method comprises: - Determining a set O of all possible configurations of occupation or non-occupation of said set of transmission bands, defined as a set of possible vectors Zk = [Z1,k,..., Zi,k,... ZI,k] satisfying at a time instant k a non-overlapping condition of said radiofrequency system, said non-overlapping condition corresponding to the fact that only one interferer i, among a set of I possible interferers, can be active at a same time k on each channel of said set of channels and forming, with contiguous channels, a transmission band i, - Obtaining measurements X1,..., Xk,..., XK of occupation of at least a part of said set of channels, at respective time instants k: 0 < k =K, where K defines a given observation time window, - Performing probabilities calculations so as to determine, for each transmission band, an estimated activation rate t, on the basis of said measurements X1,..., Xk,..., XK, said estimated activation rate t corresponding to an occupation rate of a transmission band i by an interferer within said given observation time window.

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