Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals

摘要

The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; processing, by a framing and interleaving block, the encoded data in the plural PLPs to output at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data.

主权项

1. A method of transmitting broadcast signals, the method including:
formatting, by an input formatting block, input streams into plural PLPs(Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaver, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving further comprises: cell interleaving, by a cell interleaver, the encoded data in the plural PLPs, wherein the cell interleaving further includes: permuting cells within a FEC(Forward Error Correction) block in the plural PLPs, by linear-writing the cells in the FEC block and random-reading the written cells by using a permutation sequence for the FEC block, wherein the permutation sequence for the FEC block is determined by shifting a Pseudo random sequence; block interleaving, by a block interleaver, the cell interleaved data in the plural PLPs; and convolutional interleaving, by a convolutional interleaver, the block interleaved data in the plural PLPs; frame mapping, by a framer, the time interleaved data onto the at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data.