Enhanced vsb viterbi decoder

Details Enhanced vsb viterbi decoder Enhanced vsb viterbi decoder

H - Electricity

04

N

H04N 5/44 (2011.01) H04H 40/18 (2009.01) H04N 21/43 (2011.01) H03M 13/29 (2006.01) H04N 5/455 (2006.01)

Patent

CA 2527098

An enhanced VSB receiver includes a tuner which tunes an RF signal and converts it into an IF signal, an IF mixer which converts the IF signal into a baseband signal, and a demodulator which demodulates the baseband signal signal into a VSB signal. The enhanced VSB receiver further includes a map recovery unit which recovers VSB map information of the VSB signal, an enhanced equalizer for compensating channel distortion of the VSB signal and outputting an equalized symbol, and an enhanced Viterbit decoder for estimating whether polarity inversion occurred during a symbol period of the equalized symbol and Viterbi-decoding the equalized symbol based on the polarity estimation.

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