- Patent Title: 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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Application No.: US16197303Application Date: 2018-11-20
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Publication No.: US10587368B2Publication Date: 2020-03-10
- Inventor: Jongseob Baek , Woosuk Ko , Sungryong Hong
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- Agency: Dentons US LLP
- Main IPC: H04L1/00
- IPC: H04L1/00 ; H04L5/00 ; H04L27/26 ; H04L29/06 ; H03M13/27 ; H03M13/25 ; H03M13/00 ; H04B7/0456 ; H03M13/11 ; H03M13/15 ; H04L1/04

Abstract:
The present invention provides a method of transmitting broadcast signals. The method includes, encoding, by an encoder, PLP (Physical Layer Pipe) data; time interleaving, by a time interleaver, the encoded PLP data; frame mapping, by a framer, the time interleaved PLP data onto at least one signal frames; frequency interleaving, by a frequency interleaver, data in the at least one signal frames; and waveform modulating, by a waveform module, the frequency interleaved data in the at least one signal frame and transmitting, by the waveform module, broadcast signals having the modulated data, wherein the frequency interleaving is conducted according to an interleaving mode, wherein the interleaving mode is determined based on a FFT (Fast Fourier Transform) size.
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