A method of communications operable by an access node operable in a coverage zone of a communication system, comprising: receiving from an access terminal information for a plurality of pilot signal sets, each pilot signal set comprising a cell identification and a center carrier frequency value (f1, f2) for a pilot signal corresponding to said pilot signal set; identifying from among the plurality of pilot signal sets a first pilot signal set and a second pilot signal set from an additional coverage zone, wherein said additional coverage zone is a designated area in which at least one additional carrier is added on top of at least one existing carrier which is used in said coverage zone prior to creation of the additional coverage zone; determining that a predetermined criterion to add the first and second pilot signal sets to an active set of pilot signal sets candidate for mobility of the access terminal is met; and sending an instruction to the access terminal, when the predetermined criterion is determined to be met, to add the first and second pilot signal sets from the additional coverage zone to the active set maintained in a memory of the access terminal, wherein the predetermined criterion is met, if a) the pilot signal of the first pilot signal set is identified as the pilot signal with the weakest signal strength from the additional coverage zone and exceeds a first predetermined threshold, or b) the pilot signal of the first pilot signal set is identified as the pilot signal with the weakest signal strength from the additional coverage zone and exceeds a predetermined power level differential over the strength of a corresponding pilot signal of the coverage zone, or c) the pilot signal of the first pilot signal set is identified as the pilot signal with the strongest signal strength from the additional coverage zone and the strength of a corresponding pilot signal of the coverage zone falls below a second predetermined threshold. receiving from an access terminal information for a plurality of pilot signal sets, each pilot signal set comprising a cell identification and a center carrier frequency value (f1, f2) for a pilot signal corresponding to said pilot signal set; identifying from among the plurality of pilot signal sets a first pilot signal set and a second pilot signal set from an additional coverage zone, wherein said additional coverage zone is a designated area in which at least one additional carrier is added on top of at least one existing carrier which is used in said coverage zone prior to creation of the additional coverage zone; determining that a predetermined criterion to add the first and second pilot signal sets to an active set of pilot signal sets candidate for mobility of the access terminal is met; and sending an instruction to the access terminal, when the predetermined criterion is determined to be met, to add the first and second pilot signal sets from the additional coverage zone to the active set maintained in a memory of the access terminal, wherein the predetermined criterion is met, if a) the pilot signal of the first pilot signal set is identified as the pilot signal with the weakest signal strength from the additional coverage zone and exceeds a first predetermined threshold, or b) the pilot signal of the first pilot signal set is identified as the pilot signal with the weakest signal strength from the additional coverage zone and exceeds a predetermined power level differential over the strength of a corresponding pilot signal of the coverage zone, or c) the pilot signal of the first pilot signal set is identified as the pilot signal with the strongest signal strength from the additional coverage zone and the strength of a corresponding pilot signal of the coverage zone falls below a second predetermined threshold. a) the pilot signal of the first pilot signal set is identified as the pilot signal with the weakest signal strength from the additional coverage zone and exceeds a first predetermined threshold, or b) the pilot signal of the first pilot signal set is identified as the pilot signal with the weakest signal strength from the additional coverage zone and exceeds a predetermined power level differential over the strength of a corresponding pilot signal of the coverage zone, or c) the pilot signal of the first pilot signal set is identified as the pilot signal with the strongest signal strength from the additional coverage zone and the strength of a corresponding pilot signal of the coverage zone falls below a second predetermined threshold.