It is provided a method for reducing interference. The method is performed in a receiver and comprises the steps of: receiving a first signal forming part of a symbol; extracting a differential signal by comparing the first signal with a second signal, wherein the first signal and the second signal are based on the same information; estimating a base frequency of the differential signal for the symbol; mapping the base frequency to a first time of the symbol; estimating frequencies at other times of the symbol using interpolation and/or extrapolation using base frequencies from at least one adjacent symbol; reconstructing an interfering signal based on the estimated frequencies; and subtracting the reconstructed interfering signal from a received signal for the symbol.
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