Patent ID: 6584142
Filing Date: 2003-06-24
Classification: H04B

Abstract:
A matched filter comprising:a spread data path unit comprising a first selector being able to selectively output spread data, a plurality of sub spread data path units each comprising a plurality of latch circuits temporarily holding the spread data from said first selector, and a second selector being able to selectively output outputs from said sub spread data path units; a spread data path input control unit comprising a selector control unit for performing a selection control on said first selector and said second selector according to an input of the spread data, and a data holding control unit for performing a data holding control on said sub spread data path units; a spreading code setting unit being able to set a spreading code; and an arithmetic unit for multiplying an output from said spread data path unit by the spreading code from said spreading code setting unit, adding results of the multiplication and outputting a result of the addition.