Patent ID: 6385232
Filing Date: 2002-05-07
Classification: H04B

Abstract:
A synchronization detection device for receiving a signal including a first code, a second code for detecting a timing of said first code and a third code for specifying a group of said first code and for detecting said timing and a code type of said first code included in a received signal, said synchronization detecting device comprising:a correlation detecting device for sequentially capturing said received signal based on a data shift clock supplied to said correlation detecting device, for receiving a replica code corresponding to one of said first, said second and said third code and for detecting a correlation value between one of a first replica code, a second replica code and a third replica code and said received signal; a correlation coefficient generating device for generating one of said first, said second and said third replica codes and supplying a generated replica code to said correlation detecting device; and a control device for stopping a supply of said data shift clock to said correlation detecting device at a desired timing and causing said correlation detecting device to hold said received signal, and for simultaneously switching a replica code to be generated by said correlation coefficient generating device to one of said first, said second and said third replica codes at said desired timing and detecting said correlation value of said desired timing, and thereby, detecting, respectively, said second code, said third code and said first code in order to detect said timing and said code type of said first code.