Apparatus and method for sending and receiving broadcast signals

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United States of America

PATENT NO 10587367
SERIAL NO

15971238

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Abstract

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A broadcast signal transmitter includes a first Forward Error Correction (FEC) encoder configured to encode core layer data, a second FEC encoder configured to encode enhanced layer data, an injection level controller configured to control power ratio between the encoded core layer data and the encoded enhanced layer data, a combiner configured to combine the core layer data and the enhanced layer data and to output Layered Division Multiplexing (LDM) data, a power normalizer configured to normalize power of the outputted LDM data, a time interleaver configured to time-interleave the LDM data, a framer configured to generate a signal frame comprising a preamble and the time-interleaved LDM data, the preamble carrying signaling information, and a modulator configured to perform Orthogonal Frequency Division Multiplexing (OFDM) modulation on the generated signal frame.

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Patent Owner(s)

Patent OwnerAddress
LG ELECTRONICS INC128 YEOUI-DAERO YEONGDEUNGPO-GU SEOUL 07336 REPUBLIC OF KOREA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baek, Jongseob Seoul, KR 150 640
Hong, Sungryong Seoul, KR 475 1651
Kim, Jaehyung Seoul, KR 194 963
Ko, Woosuk Seoul, KR 530 2366
Shin, Jongwoong Seoul, KR 83 388

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