Apparatus and method for sending and receiving broadcast signals
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United States of America Patent
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May 29, 2018
Issued Date -
N/A
app pub date -
Apr 5, 2016
filing date -
Apr 6, 2015
priority date (Note) -
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Abstract
Disclosed herein is a broadcast signal transmitter. A broadcast signal transmitter according to an embodiment of the present invention includes a first BICM unit configured to FEC-encode the data of a core layer, a second BICM unit configured to FEC-encode the enhanced layer data, an LDM injection unit configured to combine the core layer data and the enhanced layer data and to output Layered Division Multiplexing (LDM) data, a time interleaver configured to time-interleave the LDM data, a framing unit configured to generate a signal frame including a preamble for carrying signaling information and the LDM data, and a waveform generation unit configured to generate a broadcast signal by performing OFDM modulation on the signal frame.
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