Apparatus and method for transmitting and receiving data in a communication or broadcasting system using linear block code

A method for transmitting data in a communication or broadcasting system, comprising:

• generating a codeword by encoding input information data bits;
• interleaving the codeword;
• demultiplexing the interleaved codeword using a bit-mapping table that is determined based on a modulation scheme and a coding rate;
• outputting a modulation signal by modulating the demultiplexed bits;
• and
• transmitting the modulation signal,
• wherein when the modulation scheme is 16-Quadrature Amplitude Modulation (16-QAM) and the coding rate includes one of ⅓ and 5/12, the bit-mapping table is defined as:
• 16-QAM
• Input bit number
• 0
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• Output bit number
• 7
• 1
• 2
• 5
• 4
• 0
• 6
• 3
• where the “input bit number” represents an input bit number di in the interleaved codeword vd, and the “output bit number” represents a demultiplexed substream value e in the demultiplexed bits be,d0.

A method for transmitting data in a communication or broadcasting system, comprising:

• generating a codeword by encoding input information data bits;
• interleaving the codeword;
• demultiplexing the interleaved codeword using a bit-mapping table that is determined based on a modulation scheme and a coding rate;
• outputting a modulation signal by modulating the demultiplexed bits;
• and
• transmitting the modulation signal,
• wherein outputting modulation signal-constituting bits comprises bit-mapping the interleaved codeword using a different bit-mapping scheme depending on a ratio of lowest-degree bits to all bits constituting the interleaved codeword.

A method for transmitting data in a communication or broadcasting system, comprising:

• generating a codeword by encoding input information data bits;
• interleaving the codeword;
• demultiplexing the interleaved codeword using a bit-mapping table that is determined based on a modulation scheme and a coding rate;
• outputting a modulation signal by modulating the demultiplexed bits;
• and
• transmitting the modulation signal,
• wherein demultiplexing the interleaved codeword comprises bit-mapping the interleaved codeword using a different bit-mapping scheme depending on at least one of a degree distribution of a parity check matrix and positions of columns of an information part of the parity check matrix.

An apparatus for transmitting data in a communication or broadcasting system, comprising:

• an encoder for generating a codeword by encoding input information data bits;
• an interleaver for interleaving the codeword;
• a demultiplexer for demultiplexing the interleaved codeword using a bit-mapping table that is determined based on a modulation scheme and a coding rate;
• a modulator for outputting a modulation signal by modulating the demultiplexed bits;
• and
• a transmitter for transmitting the modulation signal,
• wherein when the modulation scheme is 16-Quadrature Amplitude Modulation (16-QAM) and the coding rate includes one of ⅕ and ¼, the bit-mapping table is defined as:
• 16-QAM
• Input bit number
• 0
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• Output bit number
• 1
• 7
• 0
• 5
• 4
• 2
• 6
• 3
• where the “input bit number” represents an input bit number di in the interleaved codeword vd, and the “output bit number” represents a demultiplexed substream value e in the demultiplexed bits be,d0.

An apparatus for transmitting data in a communication or broadcasting system, comprising:

• an encoder for generating a codeword by encoding input information data bits;
• an interleaver for interleaving the codeword;
• a demultiplexer for demultiplexing the interleaved codeword using a bit-mapping table that is determined based on a modulation scheme and a coding rate;
• a modulator for outputting a modulation signal by modulating the demultiplexed bits;
• and
• a transmitter for transmitting the modulation signal,
• wherein when the modulation scheme is 16-Quadrature Amplitude Modulation (16-QAM) and the coding rate includes one of ⅓ and 5/12, the bit-mapping table is defined as:
• 16-QAM
• Input bit number
• 0
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• Output bit number
• 7
• 1
• 2
• 5
• 4
• 0
• 6
• 3
• where the “input bit number” represents an input bit number di in the interleaved codeword vd, and the “output bit number” represents a demultiplexed substream value e in the demultiplexed bits be,d0.

An apparatus for transmitting data in a communication or broadcasting system, comprising:

• an encoder for generating a codeword by encoding input information data bits;
• an interleaver for interleaving the codeword;
• a demultiplexer for demultiplexing the interleaved codeword using a bit-mapping table that is determined based on a modulation scheme and a coding rate;
• a modulator for outputting a modulation signal by modulating the demultiplexed bits;
• and
• a transmitter for transmitting the modulation signal,
• wherein the demultiplexer demultiplexes the interleaved codeword using a different bit-mapping scheme depending on a ratio of lowest-degree bits to all bits constituting the interleaved codeword.

An apparatus for transmitting data in a communication or broadcasting system, comprising:

• an encoder for generating a codeword by encoding input information data bits;
• an interleaver for interleaving the codeword;
• a demultiplexer for demultiplexing the interleaved codeword using a bit-mapping table that is determined based on a modulation scheme and a coding rate;
• a modulator for outputting a modulation signal by modulating the demultiplexed bits;
• and
• a transmitter for transmitting the modulation signal,
• wherein the demultiplexer demultiplexes the interleaved codeword using a different bit-mapping scheme depending on at least one of a degree distribution of a parity check matrix and positions of columns of an information part of the parity check matrix.

A method for receiving data in a communication or broadcasting system, comprising:

• receiving a signal transmitted by a transmitter;
• demodulating the received signal;
• multiplexing the demodulated signal using a bit-mapping table that is determined based on a modulation scheme and a coding rate of the transmitter;
• deinterleaving the multiplexed bits;
• and
• decoding the deinterleaved bits,
• wherein when the modulation scheme is 16-Quadrature Amplitude Modulation (16-QAM) and the coding rate includes one of ⅕ and ¼, the bit-mapping table is defined as:
• 16-QAM
• Output bit number
• 0
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• Input bit number
• 1
• 7
• 0
• 5
• 4
• 2
• 6
• 3
• where the “output bit number” represents an output bit number di in an interleaved codeword vd, by the transmitter, and the “input bit number” represents a received substream value e in the demodulated bits be,d0.

A method for receiving data in a communication or broadcasting system, comprising:

• receiving a signal transmitted by a transmitter;
• demodulating the received signal;
• multiplexing the demodulated signal using a bit-mapping table that is determined based on a modulation scheme and a coding rate of the transmitter;
• deinterleaving the multiplexed bits;
• and
• decoding the deinterleaved bits,
• wherein when the modulation scheme is 16-Quadrature Amplitude Modulation (16-QAM) and the coding rate includes one of ⅓ and 5/12, the bit-mapping table is defined as:
• 16-QAM
• Output bit number
• 0
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• Input bit number
• 7
• 1
• 2
• 5
• 4
• 0
• 6
• 3
• where the “output bit number” represents an output bit number di in an interleaved codeword vd, by the transmitter, and the “input bit number” represents a received substream value e in the demodulated bits be,d0.

A method for receiving data in a communication or broadcasting system, comprising:

• receiving a signal transmitted by a transmitter;
• demodulating the received signal;
• multiplexing the demodulated signal using a bit-mapping table that is determined based on a modulation scheme and a coding rate of the transmitter;
• deinterleaving the multiplexed bits;
• and
• decoding the deinterleaved bits,
• wherein multiplexing comprises multiplexing the demodulated signal using a different multiplexing scheme depending on a ratio of lowest-degree bits to all bits constituting an interleaved codeword by the transmitter.

A method for receiving data in a communication or broadcasting system, comprising:

• receiving a signal transmitted by a transmitter;
• demodulating the received signal;
• multiplexing the demodulated signal using a bit-mapping table that is determined based on a modulation scheme and a coding rate of the transmitter;
• deinterleaving the multiplexed bits;
• and
• decoding the deinterleaved bits,
• wherein multiplexing comprises multiplexing the demodulated signal using a different multiplexing scheme depending on at least one of a degree distribution of a parity check matrix and positions of columns of an information part of the parity check matrix.

An apparatus for receiving data in a communication or broadcasting system, comprising:

• a receiver for receiving a signal transmitted by a transmitter;
• a demodulator for demodulating the received signal;
• a multiplexer for multiplexing the demodulated signal using a bit-mapping table that is determined based on a modulation scheme and a coding rate of the transmitter;
• a deinterleaver for deinterleaving the multiplexed bits;
• and
• a decoder for decoding the deinterleaved bits,
• wherein when the modulation scheme is 16-Quadrature Amplitude Modulation (16-QAM) and the coding rate includes one of ⅕ and ¼, the bit-mapping table is defined as:
• 16-QAM
• Output bit number
• 0
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• Input bit number
• 1
• 7
• 0
• 5
• 4
• 2
• 6
• 3
• where the “output bit number” represents an output bit number di in an interleaved codeword vd by the transmitter, and the “input bit number” represents a received substream value e in the demodulated bits be,d0.

An apparatus for receiving data in a communication or broadcasting system, comprising:

• a receiver for receiving a signal transmitted by a transmitter;
• a demodulator for demodulating the received signal;
• a multiplexer for multiplexing the demodulated signal using a bit-mapping table that is determined based on a modulation scheme and a coding rate of the transmitter;
• a deinterleaver for deinterleaving the multiplexed bits;
• and
• a decoder for decoding the deinterleaved bits,
• wherein when the modulation scheme is 16-Quadrature Amplitude Modulation (16-QAM) and the coding rate includes one of ⅓ and 5/12, the bit-mapping table is defined as:
• 16-QAM
• Output bit number
• 0
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• Input bit number
• 7
• 1
• 2
• 5
• 4
• 0
• 6
• 3
• where the “output bit number” represents an output bit number d, in an interleaved codeword vd by the transmitter, and the “input bit number” represents a received substream value e in the demodulated bits be,d0.

An apparatus for receiving data in a communication or broadcasting system, comprising:

• a receiver for receiving a signal transmitted by a transmitter;
• a demodulator for demodulating the received signal;
• a multiplexer for multiplexing the demodulated signal using a bit-mapping table that is determined based on a modulation scheme and a coding rate of the transmitter;
• a deinterleaver for deinterleaving the multiplexed bits;
• and
• a decoder for decoding the deinterleaved bits,
• wherein the multiplexer multiplexes the demodulated signal using a different bit-demapping scheme depending on a ratio of lowest-degree bits to all bits constituting an interleaved codeword by the transmitter.

An apparatus for receiving data in a communication or broadcasting system, comprising:

• a receiver for receiving a signal transmitted by a transmitter;
• a demodulator for demodulating the received signal;
• a multiplexer for multiplexing the demodulated signal using a bit-mapping table that is determined based on a modulation scheme and a coding rate of the transmitter;
• a deinterleaver for deinterleaving the multiplexed bits;
• and
• a decoder for decoding the deinterleaved bits,
• wherein the bit multiplexer multiplexes the demodulated signal using a different bit-demapping scheme depending on at least one of a degree distribution of a parity check matrix and positions of columns of an information part of the parity check matrix.