Patent ID: 9712364
Date: 2017-07-18
CPC Classifications: H04B,H04L,H04N

Claim:
1. A method for transmitting broadcast signals, the method comprising: encoding service data corresponding to a Physical Layer Pipe; bit interleaving the encoded service data; first encoding signaling data; padding zero bits to the first encoded signaling data; second encoding the zero padded signaling data by appending parity bits, wherein a size of the padded zero bits is calculated based on a size of information bits and parity data of the first encoded signaling data and a size of information bits of the second encoding; building at least one signal frame including the bit interleaved 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.