METHOD AND SYSTEM OF ASSIGNING RADIO FREQUENCIES TO BASE STATIONS

摘要

A method of assigning radio frequencies to base stations (105-1) of a first radio telecommunications network operating in a first radio frequency band and co-existing with at least a second radio telecommunications network (110, 110-1;115, 115-1) operating in a second radio frequency band at least partially overlapping the first radio frequency band. The method comprises: simulations of electromagnetic field propagation; defining a cost function for quantitatively evaluating a radio frequency assignment plan for the base stations of the first radio telecommunications network; calculating an initial radio frequencies assignment plan for the base stations of the first radio telecommunications network; calculating at least one alternative radio frequency assignment plan starting from the initial radio frequency assignment plan; selecting as radio frequency assignment plan for the base stations of the first radio telecommunications network one of the alternative radio frequency assignment plans based on the values of the cost function, and assigning to the base stations (105-1) of the first radio telecommunications network frequencies in accordance with the radio frequency assignment plan selected.