In a method for removing interferential signals of a mobile device, a differential signal waveform corresponding to a signal frame of an original communication signal waveform of the mobile device is generated, and a DPPPV of the differential signal waveform is acquired. An electrical interconnect, such as a stud bump, is formed over the semiconductor die. Note book pages are securely linked to the binding. Further, a rebate may calculated for a plurality of billing periods as well as a final rebate via the aggregation of the rebates for the plurality of billing periods. A STC is initialized, and then, PSI packets of a PAT and a PMT are output.