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Apparatus to detect a sync signal, a VSB receiver using the same, and a method thereof

An apparatus to detect a sync signal, a VSB receiver using the same, and a method thereof. The apparatus includes a plurality of partial correlators to calculate a first partial correlation value between a sub sequence of a training sequence and an “I” signal of a received signal that corresponds to a range of a sub sequence and a second partial correlation value between the sub sequence of the training sequence and a “Q” signal of the received signal, and calculating the first partial correlation value and the second partial correlation value for each of the predetermined number of sub sequences, a plurality of squarers to square the first and second partial correlation values for each sub sequence, respectively, a plurality of adders to add the squared first and second partial correlation values for each sub sequence and add the added squared partial correlation values of all the sub sequences to provide a correlation signal between the training sequence and a corresponding portion of the received signal, a maximum value detection unit to detect a maximum one of the added partial correlation values of the sub sequences from the correlation signal, and a position detection unit to detect a position of the detected maximum value as the sync signal of the received signal.
Owner:SAMSUNG ELECTRONICS CO LTD
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