Integrated cell searcher of dual mode modem applying for different communication modes

The cell searcher integration of dual-mode modem, which support different communication modes are provided. Integrated cell searcher according to the present invention includes a first code generator for generating a predetermined code for the cell search in the asynchronous mode; A second code generator for generating a predetermined code for cell search in a synchronized mode; Wherein the receiving the output and the output of the second code generator of the first code generator, and any one of an output of the output signal and the output signal of the second code generator of the first code generator in response to a predetermined mode selection signal of the signal a selection unit for selectively outputting the PN signal; And, receiving a series of codes from the base station, it characterized in that it comprises a plurality of correlators (correlator) and outputting said code and said PN signal selecting portion outputs the signal correlator boot (correlating). According to the invention, using one of the cell searcher by making it possible to perform the cell search operations on a different communication mode, to reduce the chip size of the dual-mode modem and the effect of improving the search time and speed to a reduction in chip size a.