Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals

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United States of America Patent

PATENT NO 9735923
APP PUB NO 20160248548A1
SERIAL NO

15147207

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, wherein the frequency interleaving is performed by using two memories, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.

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Patent Owner(s)

  • LG ELECTRONICS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baek, Jongseob Seoul, KR 209 1250
Hong, Sungryong Seoul, KR 582 3730
Jeong, Byeongkook Seoul, KR 19 115
Kim, Jaehyung Seoul, KR 373 2318
Ko, Woosuk Seoul, KR 792 5290

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