Patent ID: 8259869

Claim:
A receiving system, comprising: a tuner receiving a broadcast signal, the broadcast signal comprising a data group that includes mobile service data and a plurality of known data sequences, wherein the data group is divided into ten mobile and handheld (M/H) blocks; a demodulator demodulating the received broadcast signal; an equalizer channel-equalizing data of the data group included in the demodulated broadcast signal by using at least one of the known data sequences; an inner decoder inner-decoding mobile service data of the channel-equalized data within the data group that is output from the equalizer for turbo-decoding based upon mobile service data that is outer-decoded and fed-back; a reliability adjustor adjusting a reliability level of the inner-decoded mobile service data by multiplying mobile service data included in at least one of the ten M/H blocks of the data group by a weight less than 1; an outer decoder outer-decoding the mobile service data that is output from the reliability adjustor and feeding-back the outer-decoded mobile service data to the inner decoder; and an error correction unit correcting errors that occurred in the mobile service data output from the outer decoder.