Patent ID: 7706449

Claim:
A Vestigial Sideband (VSB) transmitter for transmitting a terrestrial broadcasting signal including main Advanced Television Systems Committee (ATSC) data and enhanced supplemental data, the VSB transmitter comprising: an additional error correction encoder for encoding the enhanced supplemental data for error correction; a multiplexer for multiplexing the encoded supplemental data and the main ATSC data; a Trellis Coded Modulation (TCM) encoder for encoding or bypassing a first input data bit in accordance with whether the first input data bit belongs to the main ATSC data or the enhanced supplemental data and for trellis-encoding a second input data bit, wherein the first and second data bits are generated based on the multiplexed data; and a VSB modulator for modulating a signal generated based on the data bits output from the TCM encoder and transmitting the modulated signal to one or more VSB receivers.