Patent ID: 7764756
Filing Date: 2010-07-27
Classification: H04B

Abstract:
1. A clock acquisition apparatus that performs clock acquisition for an impulse radio communication, comprising: an acquisition section that acquires a plurality of convolved template signals, each formed by convolving a plurality of template signals; a preliminary detection section that detects a preliminary correlation match between one convolved template signal acquired by the acquisition section and a received signal, and, when the preliminary correlation match between the one convolved template signal and the received signal is not detected, substitutes another convolved template signal acquired by the acquisition section for the one convolved template signal and then detects the preliminary correlation match; and a final detection section that detects, when the preliminary detection section detects the preliminary correlation match, a final correlation match between (i) any one of the template signals out of the plurality of template signals and (ii) the received signal.