Invention Grant
- Patent Title: Broadcast signal frame generating apparatus and broadcast signal frame generating method using layered division multiplexing
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Application No.: US15505604Application Date: 2016-02-11
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Publication No.: US10237703B2Publication Date: 2019-03-19
- Inventor: Jae-Young Lee , Sung-Ik Park , Bo-Mi Lim , Sun-Hyoung Kwon , Heung-Mook Kim
- Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Applicant Address: KR Daejeon
- Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Current Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Current Assignee Address: KR Daejeon
- Priority: KR10-2015-0031907 20150306; KR10-2016-0004462 20160113
- International Application: PCT/KR2016/001401 WO 20160211
- International Announcement: WO2016/144010 WO 20160915
- Main IPC: H04W4/06
- IPC: H04W4/06 ; H04L12/18 ; H04L27/26 ; H04J11/00 ; H04L1/00

Abstract:
An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling, start position information of Physical Layer Pipes (PLPs) and time interleaver information shared by the core layer signal and the enhanced layer signal.
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