SYMBOL TIMING OFFSET ESTIMATOR OF DIGITAL RECEPTION SYSTEM FOR ESTIMATING ACCURATELY SYMBOL TIMING OFFSET BY MINIMIZING JITTER ELEMENTS AND ESTIMATING METHOD THEREOF

摘要

PURPOSE: A symbol timing offset estimator of a digital reception system and an estimating method thereof are provided to minimize jitter elements and symbol timing offset estimation errors by using a timing error measurement algorithm. CONSTITUTION: An error measurement unit(310) measures a timing error by using amplitude of an intermediate sampling signal between inputted sampling signals and a predicted intermediate sampling signal. A two downsampling unit(330) performs a two downsampling process to extract the measured timing error for the intermediate sampling signal. A loop filter(350) is used for estimating a symbol timing offset by using the extracted timing error.