A method ( 300; 400) of dynamically varying a power of a Reference Signal irradiated by at least one radio base station of a radio mobile network ( 100; 200), said radio base station providing communication services to User Equipment located in at least one respective area served by said radio base station, the method ( 300; 400) comprising having a network entity (135; 105) performing the steps of: monitoring at least one performance indicator associated with the at least one area, said at least one performance indicator being indicative of a communication channel state within said at least one area, and either increasing ( 318; 418) or decreasing ( 324; 424) the power of the Reference Signal in said at least one area on the basis of a current value of said at least one performance indicator, wherein said either increasing ( 318; 418) or decreasing ( 324; 424) the power of the Reference Signal in said at least one area on the basis of a current value of said at least one performance indicator comprises modifying at least one power parameter referred to power of signals transmitted by said radio base station, characterized in that the step of either increasing ( 318; 418) or decreasing ( 324; 424) the power of the Reference Signal in said at least one area on the basis of a current value of said at least one performance indicator comprises: increasing ( 318; 418) the power of the Reference Signal in said at least one area if ( 315; 415) said current value of said at least one performance indicator is lower than a first threshold, or decreasing ( 324; 424) the power of the Reference Signal in said at least one area if ( 321; 421) said current value of said at least one performance indicator is greater than a second threshold, wherein said at least one performance indicator associated with the at least one area comprises a Reference Signal Received Quality measurement. monitoring at least one performance indicator associated with the at least one area, said at least one performance indicator being indicative of a communication channel state within said at least one area, and either increasing ( 318; 418) or decreasing ( 324; 424) the power of the Reference Signal in said at least one area on the basis of a current value of said at least one performance indicator, wherein said either increasing ( 318; 418) or decreasing ( 324; 424) the power of the Reference Signal in said at least one area on the basis of a current value of said at least one performance indicator comprises modifying at least one power parameter referred to power of signals transmitted by said radio base station, characterized in that the step of either increasing ( 318; 418) or decreasing ( 324; 424) the power of the Reference Signal in said at least one area on the basis of a current value of said at least one performance indicator comprises: increasing ( 318; 418) the power of the Reference Signal in said at least one area if ( 315; 415) said current value of said at least one performance indicator is lower than a first threshold, or decreasing ( 324; 424) the power of the Reference Signal in said at least one area if ( 321; 421) said current value of said at least one performance indicator is greater than a second threshold, wherein said at least one performance indicator associated with the at least one area comprises a Reference Signal Received Quality measurement. increasing ( 318; 418) the power of the Reference Signal in said at least one area if ( 315; 415) said current value of said at least one performance indicator is lower than a first threshold, or decreasing ( 324; 424) the power of the Reference Signal in said at least one area if ( 321; 421) said current value of said at least one performance indicator is greater than a second threshold, wherein said at least one performance indicator associated with the at least one area comprises a Reference Signal Received Quality measurement.