Patent ID: 9686111
Date: 2017-06-20
CPC Classifications: H03M,H04L

Claim:
1. A broadcast signal transmitter, comprising: an input formatter configured to process input data and to output at least one Physical Layer Pipe (PLP) data; a Bit Interleaved and Coded Modulation (BICM) processor configured to perform error correction processing on the PLP data; a framer configured to generate a signal frame comprising the PLP data; and a waveform generator configured to generate a transmission signal comprising the signal frame, wherein the signal frame of the transmission signal comprises a bootstrap, a preamble, and a data part, wherein the bootstrap comprises preamble structure information about the preamble, wherein the preamble comprises a plurality of preamble symbols, wherein the plurality of preamble symbols carry Layer 1 (L1) signaling data for the signal frame, wherein a first preamble symbol of the plurality of preamble symbols has a minimum number of carriers (NoC), and wherein the first preamble symbol comprises NoC-related information indicating an NoC for at least one remaining preamble symbol of the plurality of preamble symbols.