Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
First Claim
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1. A method for transmitting broadcast signals by an apparatus for transmitting broadcast signals, the method comprising:
- encoding Data Pipe (DP) data according to a 64800 bit codeword and a 10/15 code rate based on a parity check matrix, wherein the encoded DP data comprises information bits and parity bits;
Multi-Input Multi-Output (MIMO) encoding the encoded DP data;
building at least one signal frame by mapping the MIMO encoded DP data; and
modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) method and transmitting the broadcast signals having the modulated data,wherein encoding the DP data comprises;
initializing the parity bits;
adding the information bits to the parity bits, wherein each 360 bit group of the information bits corresponds to each row of the parity check matrix, andwherein the parity check matrix is;
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Abstract
The present invention provides a method of transmitting broadcast signals. The method includes, encoding Data Pipe, DP, data according to a code rate, wherein the encoding further includes Low-Density Parity-Check, LDPC, encoding the DP data, Bit interleaving the LDPC encoded DP data, and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.
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Citations
6 Claims
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1. A method for transmitting broadcast signals by an apparatus for transmitting broadcast signals, the method comprising:
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encoding Data Pipe (DP) data according to a 64800 bit codeword and a 10/15 code rate based on a parity check matrix, wherein the encoded DP data comprises information bits and parity bits; Multi-Input Multi-Output (MIMO) encoding the encoded DP data; building at least one signal frame by mapping the MIMO encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) method and transmitting the broadcast signals having the modulated data, wherein encoding the DP data comprises; initializing the parity bits; adding the information bits to the parity bits, wherein each 360 bit group of the information bits corresponds to each row of the parity check matrix, and wherein the parity check matrix is; - View Dependent Claims (2, 3)
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4. A method for receiving broadcast signals by an apparatus for receiving broadcast signals, the method comprising:
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receiving broadcast signals having modulated data in signal frames and de-modulating the modulated data by an Orthogonal Frequency Division Multiplexing (OFDM) method; parsing at least one signal frame by de-mapping Data Pipe (DP) data from the de-modulated data; Multi-Input Multi-Output (MIMO) decoding the DP data; and decoding the MIMO decoded DP data according to a 64800 bit codeword and a 10/15 code rate based on a parity check matrix, wherein the MIMO decoded DP data includes information bits and parity bits being generated by; initializing the parity bits; adding the information bits to the parity bits, wherein each 360 bit group of the information bits corresponds to each row of the parity check matrix, and wherein the parity check matrix is; - View Dependent Claims (5, 6)
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Specification