| CPC H04L 69/324 (2013.01) [H03M 13/1102 (2013.01); H04L 1/0071 (2013.01)] | 5 Claims |

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1. A broadcast signal reception apparatus, comprising:
a time deinterleaver configured to perform time deinterleaving on a received signal corresponding to a broadcast signal frame, the broadcast signal frame including a preamble for signaling start position information and the size information for each of Physical Layer Pipes (PLPs);
a core layer bit interleaved coding and modulation (BICM) decoder configured to restore core layer data corresponding to the broadcast signal frame;
an enhanced layer symbol extractor configured to extract enhanced layer symbols by performing cancellation corresponding to the core layer data; and
an enhanced layer BICM decoder configured to restore enhanced layer data corresponding to the enhanced layer symbols,
wherein the Physical Layer Pipes include a core layer physical layer pipe corresponding to the core layer signal and an enhanced layer physical layer pipe corresponding to the enhanced layer signal,
wherein the start position information and the size information of the core layer physical layer pipe are defined within a current subframe,
wherein the start position information and the size information of the enhanced layer physical layer pipe are defined with respect to before time-interleaving.
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