Method to determine the existence of interferences in a wireless communication link based on comparing the power received at both links of radio channel and the propagation losses calculated from both power and quality measurements, comprising: (i) gathering values RXLEV_UL and RXLEV_DL; (ii) using said values to estimate the receiver power level in the base station; (iii) statistical analysis of the two different estimations obtained (PRXLEV ULi, and {tilde over (P)}{tilde over (PULi)}) for every connection i in the radio link; (iv) comparing the estimations (PRXLEV ULi and {tilde over (P)}{tilde over (PULi)}) of the uplink received signals strength with the quality parameters RXQUAL_UL and RXQUAL_DL; (v) computing the behavior of the computed values psi and Rsnri, (vi) analyzing the results to detect: (a) steady-state abnormalities; (b) unbalanced interferences; (c) malfunctioning of the power control; and (d) inadequate radio planning.