Patent ID: 7194018
Filing Date: 2007-03-20
Classification: H04B

Abstract:
1. A multipath searching apparatus comprising: a radio front-end for converting a received radio signal into a baseband signal and outputting the baseband signal; a receiving unit for despreading the baseband signal, and combining despread signals; a profile calculating unit for calculating and outputting a multipath profile of the baseband signal; a first detector for determining whether or not the radio signal traveling along a multipath is having a short-delay path by comparing a peak value of the multipath profile with a profile value of a predetermined position time interval before and after the peak of the multipath profile, when the comparison result is greater than a predetermined threshold the signal is determined to have a short-delay path; and a path selector for receiving the multipath profile and the detection result of the first detector, separating the multipath profile into two profiles and two signals when the radio signal is determined to have a short-delay path, generating time delay information for each path, where the radio signal having a short-delay is sent to fingers of the receiving unit with the time delay information, wherein the receiving unit receives time delay information of the paths.