Patent ID: 9215038
Filing Date: 2015-12-15
Classification: H04H,H04L

Abstract:
1. A method for transmitting broadcast signals, the method comprising: encoding service data corresponding to each of a plurality of Physical Layer Pipes; encoding signaling data including: LDPC (Low Density Parity Check) encoding the signaling data by adding parity bits; block interleaving the LDPC encoded signaling data; and demultiplexing the block interleaved signaling data using shifting method, wherein the shifting method is performed based on a modulation order and indices of bits; building at least one signal frame including the encoded service data and the encoded signaling data; modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme; and transmitting the broadcast signals carrying the at least one modulated signal frame.