Transmitter and system for transmitting/receiving digital broadcasting stream and method thereof

A digital broadcasting transmission method, comprising:

• detecting at least one turbo stream from a dual transport stream (TS) in which the turbo stream is multiplexed with a normal stream, encoding the detected turbo stream, and replacing the turbo stream with the encoded turbo stream in the dual TS;
• and
• trellis-encoding the dual TS, and outputting the resultant trellis-encoded dual TS,
• wherein the detecting operation encodes the turbo stream using a turbo processing block for each of the at least one turbo streams.

A digital broadcasting reception system, comprising:

• a demodulator to receive a dual transport stream (TS) which includes at least one turbo stream and a normal stream multiplexed together, and to demodulate the received dual TS;
• an equalizer to equalize the demodulated dual TS;
• a first processor to decode the normal stream of the equalized TS and to output a normal data packet;
• and
• a second processor to decode the at least one turbo stream of the equalized dual TS in parallel with the decoding of the normal stream to recover a turbo stream packet.

A digital broadcasting reception system, comprising:

• a demodulator to receive a dual transport stream (TS) including at least one turbo stream and a normal stream multiplexed together, and to demodulate the received dual TS;
• an equalizer to equalize the demodulated dual TS;
• a viterbi decoder to decode the normal stream of the equalized dual TS;
• a turbo decoder to decode each turbo stream of the equalized dual TS in parallel with the decoding of the normal stream;
• a turbo inserter to insert each turbo stream, which is decoded at the turbo decoder, into the dual TS;
• a deinterleaver to deinterleave the dual TS, which is processed at the turbo inserter;
• a Reed-Solomon (RS) decoder to RS-decode the deinterleaved dual TS;
• a derandomizer to derandomize the RS-decoded dual TS;
• and
• a turbo de-multiplexer (de-MUX) to demultiplex the derandomized dual TS and to recover a normal stream packet and a turbo stream packet.

A digital broadcasting reception method, comprising:

• receiving and demodulating a dual transport stream (TS) which includes at least one turbo stream and a normal stream multiplexed together;
• equalizing the decoded dual TS;
• decoding the normal stream of the equalized dual TS and outputting a normal data packet;
• and
• decoding each turbo stream of the equalized dual TS in parallel with the decoding of the normal stream to recover a turbo stream packet.

A method of processing a received broadcasting signal, comprising:

• receiving and demodulating a dual transport stream (TS) which includes a turbo stream and a normal stream multiplexed together;
• equalizing the decoded dual TS;
• viterbi-decoding the normal stream of the equalized dual TS and outputting a normal data packet;
• turbo-decoding each turbo stream of the equalized dual TS in parallel with the viterbi-decoding of the normal stream;
• inserting the turbo-decoded turbo stream into the viterbi-decoded dual TS;
• deinterleaving the dual TS in which the turbo-decoded turbo stream is inserted;
• Reed-Solomon (RS) decoding the deinterleaved dual TS;
• derandomizing the RS decoded dual TS;
• and
• demultiplexing the derandomized dual TS, to recover a normal stream packet and a turbo stream packet.

A digital broadcasting reception system, comprising:

• a demodulator to receive a dual transport stream (TS) which includes n turbo streams and a normal stream multiplexed together, and to demodulate the received dual TS;
• an equalizer to equalize the demodulated dual TS;
• a first processor to decode the normal stream of the equalized TS and to output a normal data packet;
• and
• a second processor to decode each of the n turbo streams of the equalized dual TS in parallel with the decoding of the normal stream to recover a turbo stream packet, wherein n is an integer greater than or equal to 2.

A digital broadcasting transmission and reception system, comprising:

• a turbo processor to detect n turbo streams in a dual transport stream (TS) which includes a normal stream multiplexed with the n turbo streams, to encode the detected turbo streams, and to replace the turbo stream with the encoded turbo streams in the dual TS;
• and
• a transmitter to trellis-encode the dual TS, processed at the turbo processor, and to output the resultant trellis-encoded dual TS;
• a demodulator to receive the trellis-encoded dual TS, which includes the encoded turbo streams and the normal stream, and to demodulate the received trellis-encoded dual TS;
• an equalizer to equalize the demodulated dual TS;
• a first processor to decode the normal stream of the equalized TS and to output a normal data packet;
• and
• a second processor to decode each of the turbo streams of the equalized dual TS in parallel with the decoding of the normal stream to recover a turbo stream packet, wherein
• the turbo processor comprises n+m turbo processing blocks and the second processor comprises n+k turbo decoding blocks, each turbo processing block and each turbo decoding block to encode and decode a corresponding turbo stream, respectively, and wherein
• n, m, and k are integers greater than or equal to 2.