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. <EOS>