A method for operating a transceiver, comprising: generating, by the transceiver, a first signal comprising an estimate of an interference signal leaked from a transmit path to a receive path (104, 903) of the transceiver, wherein the generating the first signal comprises: obtaining a baseband transmit signal (202, 204) comprising a baseband of a transmit signal transmitted via the transmit path; calculating, by a phase estimator, a harmonic phase comprising a phase of a harmonic of the baseband transmit signal; estimating a phase shift, by a first look-up-table, LUT, in accordance with an envelope of the baseband transmit signal; and determining a phase of the first signal in accordance with the estimated phase shift and the calculated harmonic phase by adding the estimated phase shift and the calculated harmonic phase with an adder, wherein interference of a receive signal received via the receive path is reduced according to the first signal, wherein estimating the phase shift is further in accordance with a first relationship that maps the envelope of the baseband transmit signal to the phase shift, wherein generating the first signal further comprises determining an envelope of the first signal in accordance with the envelope of the baseband transmit signal and in accordance with a second relationship that maps the envelope of the baseband transmit signal to an envelope of the interference signal, wherein estimating the phase shift comprises retrieving, in accordance with the envelope of the baseband transmit signal, first mapped values; and estimating the phase shift by applying a first interpolation in accordance with the first mapped values, and characterized in sampling a plurality of interference phase values corresponding to a plurality of baseband transmit phase values and a plurality of baseband transmit envelope values; sampling a plurality of interference envelope values corresponding to the plurality of baseband transmit envelope values; calculating, in accordance with the interference phase values and the baseband transmit phase values, a plurality of phase shift values corresponding to the plurality of baseband transmit envelope values; applying a second interpolation, in accordance with the phase shift values and the baseband transmit envelope values, to determine the first relationship; and applying the second interpolation, in accordance with the interference envelope values and the plurality of baseband transmit envelope values, to determine the second relationship. generating, by the transceiver, a first signal comprising an estimate of an interference signal leaked from a transmit path to a receive path (104, 903) of the transceiver, wherein the generating the first signal comprises: obtaining a baseband transmit signal (202, 204) comprising a baseband of a transmit signal transmitted via the transmit path; calculating, by a phase estimator, a harmonic phase comprising a phase of a harmonic of the baseband transmit signal; estimating a phase shift, by a first look-up-table, LUT, in accordance with an envelope of the baseband transmit signal; and determining a phase of the first signal in accordance with the estimated phase shift and the calculated harmonic phase by adding the estimated phase shift and the calculated harmonic phase with an adder, wherein interference of a receive signal received via the receive path is reduced according to the first signal, obtaining a baseband transmit signal (202, 204) comprising a baseband of a transmit signal transmitted via the transmit path; calculating, by a phase estimator, a harmonic phase comprising a phase of a harmonic of the baseband transmit signal; estimating a phase shift, by a first look-up-table, LUT, in accordance with an envelope of the baseband transmit signal; and determining a phase of the first signal in accordance with the estimated phase shift and the calculated harmonic phase by adding the estimated phase shift and the calculated harmonic phase with an adder, wherein interference of a receive signal received via the receive path is reduced according to the first signal, wherein estimating the phase shift is further in accordance with a first relationship that maps the envelope of the baseband transmit signal to the phase shift, wherein generating the first signal further comprises determining an envelope of the first signal in accordance with the envelope of the baseband transmit signal and in accordance with a second relationship that maps the envelope of the baseband transmit signal to an envelope of the interference signal, wherein estimating the phase shift comprises retrieving, in accordance with the envelope of the baseband transmit signal, first mapped values; and estimating the phase shift by applying a first interpolation in accordance with the first mapped values, and characterized in sampling a plurality of interference phase values corresponding to a plurality of baseband transmit phase values and a plurality of baseband transmit envelope values; sampling a plurality of interference envelope values corresponding to the plurality of baseband transmit envelope values; calculating, in accordance with the interference phase values and the baseband transmit phase values, a plurality of phase shift values corresponding to the plurality of baseband transmit envelope values; applying a second interpolation, in accordance with the phase shift values and the baseband transmit envelope values, to determine the first relationship; and applying the second interpolation, in accordance with the interference envelope values and the plurality of baseband transmit envelope values, to determine the second relationship.