摘要:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding Data Pipe (DP) data corresponding to each of a plurality of DPs, wherein each of a plurality of DPs carries at least one service component, a mapper for mapping the encoded DP data onto constellations, a time interleaver for time interleaving (TI) the mapped DP data at DP level by skipping cells having zero values of the DP data, a frame builder for building at least one signal frame including the time interleaved DP data, a modulator for modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplex (OFDM) scheme and a transmitter for transmitting the broadcast signals having the modulated data.
摘要:
The broadcast signal transmitting device according to one embodiment of the present invention may comprise: an encoder to encode service data corresponding to a plurality of physical paths, a bit interleaver to bit interleave the encoded service data in each physical path, a frame builder to build at least one signal frame including the bit interleaved service data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme; and a transmitter to transmit the broadcast signals having the modulated data.
摘要:
The present invention provides an apparatus of transmitting broadcast signals. The apparatus includes, an encoder for encoding service data, a bit interleaver for bit interleaving the encoded service data, a mapper for mapping the bit interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, an OFDM modulator for modulating data in the built at least one signal frame by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data.
摘要:
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.
摘要:
The present invention provides a method of transmitting broadcast signals, the method including, encoding service data, building at least one signal frame by mapping the encoded service data, modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and transmitting the broadcast signals having the modulated data.
摘要:
The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe, DP, data; Low-Density Parity-Check, LDPC, encoding the DP data according to a code rate; bit interleaving the LDPC encoded DP data; mapping the bit interleaved DP data onto constellations according to one of QAM (Quadrature Amplitude Modulation), NUQ (Non-Uniform QAM) or NUC (Non-Uniform Constellation); Multi-Input Multi-Output, MIMO, encoding the mapped DP data by using a MIMO encoding matrix having a MIMO encoding parameter; 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.
摘要:
The broadcast signal transmitting device according to one embodiment of the present invention may comprise: a receiver to receive the broadcast signals; a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme; a parser to parse at least one signal frame from the demodulated broadcast signals, wherein the at least one signal frame includes service data corresponding to a plurality of physical paths; a bit interleaver to bit deinterleave the service data in the parsed at least one signal frame; and a decoder to decode the bit deinterleaved service data.
摘要:
A method for transmitting broadcast signals, the method comprising, demultiplexing Physical Layer Pipe,PLP data into first and second input signals, Quadrature Amplitude Modulation, QAM, mapping the first and second input signals onto constellations, Multi-input Multi-Output, MIMO, processing the QAM mapped first and second input signals, wherein the MIMO processing includes pre-coding processing and phase hopping processing, wherein the pre-coding processing is performed by using a pre-coding matrix which is carried out on pairs of normalized QAM symobls, wherein the phase hopping processing is performed by using a phase hopping matrix, building at least two signal frames by mapping the MIMO processed first and second input signals and modulating data in the at least two signal frames by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting at least two broadcast signals having the modulated data by at least two transmit antennas.
摘要:
The present invention provides an apparatus of transmitting broadcast signals, the apparatus including, an encoder for encoding service data, a frame builder for building at least one signal frame by mapping the encoded service data, a modulator for modulating data in the built at lease one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and a transmitter for transmitting the broadcast signals having the modulated data.
摘要:
The present invention provides a method of transmitting broadcast signals, the method including, encoding service data, building at least one signal frame by mapping the encoded service data, modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and transmitting the broadcast signals having the modulated data.