Patent ID: 7298422
Filing Date: 2007-11-20
Classification: H03M,H04L,H04N

Abstract:
1. A digital television receiver, comprising: a demodulator configured to demodulate an input signal containing first service data multiplexed with second service data; a trellis decoder configured to decode the demodulated signal using a Viterbi decoding algorithm; a first Reed-Solomon (RS) decoder configured to decode the first and second service data in the Viterbi-decoded signal for first forward error correction (FEC) in order to correct errors in the first and second service data that occurred during reception of the input signal; a demultiplexer configured to demultiplex the first service data and the second service data from the FEC-decoded signal; and a second Reed-Solomon (RS) decoder configured to decode the demultiplexed first service data for second forward error correction (FEC) in order to additionally correct errors in the first service data that occurred during the reception of the input signal.