公开(公告)号：US20200260158A1

公开(公告)日：2020-08-13

申请号：US16859379

申请日：2020-04-27

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon LEE ,  Kyoungsoo MOON ,  Woosuk KO ,  Minsung KWAK ,  Seungjoo AN ,  Sungryong HONG

IPC: H04N21/81 ,  H04N7/08 ,  H04N7/015 ,  H04N21/6547 ,  H04N21/2362 ,  H04N21/61 ,  H04N21/858

Abstract: A digital broadcast receiver for processing data of a broadcaster application, includes a tuner configured to receive a broadcast signal including video data for a broadcast program and application signaling information, wherein the application signaling information includes a URL (Uniform Resource Locator) of an entry page of the broadcaster application for providing an interactive service; a frequency deinterleaver configured to frequency deinterleave the video data and the application signaling information; and a time deinterleaver configured to perform time deinterleaving differently based on mode information, wherein the time deinterleaver comprises a twisted block deinterleaver, and wherein the twisted block deinterleaver is configured to deinterleave one or more FEC (Forward Error Correction) blocks comprising the video data and the application signaling information based on at least one TI (Time Interleaving) block interleaved by a TI scheme.

公开(公告)号：US20200235855A1

公开(公告)日：2020-07-23

申请号：US16809412

申请日：2020-03-04

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H04L29/06 ,  H03M13/27 ,  H03M13/25 ,  H03M13/00 ,  H04B7/0456

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.

公开(公告)号：US20200235850A1

公开(公告)日：2020-07-23

申请号：US16842297

申请日：2020-04-07

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Kyoungsoo MOON ,  Jangwon LEE ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04N21/235 ,  H04N21/236 ,  H04N21/2383 ,  H04L29/06

Abstract: A method for transmitting a broadcast signal in a digital transmitter, includes generating at least one component for at least one service, wherein the at least one component is carried based on a ROUTE protocol; generating at least one signaling data, wherein the at least one signaling data includes broadcast stream ID for identifying one or more broadcast streams comprising the at least one service, first capability information for presenting all services in the at least signaling data, service ID for identifying the at least one service, and second capability information for presenting a specific service related to the service ID information; and transmitting the broadcast signal comprising the at least one signaling data and the at least one component, wherein the at least one component is carried via at least one physical layer pipe.

公开(公告)号：US20200228860A1

公开(公告)日：2020-07-16

申请号：US16826384

申请日：2020-03-23

Applicant: LG ELECTRONICS INC.

Inventor： Somi PARK ,  Seungryul YANG ,  Minsung KWAK ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/433 ,  H04L29/06 ,  H04N21/426 ,  H04N21/643

Abstract: A broadcast signal reception apparatus according to one embodiment of the present invention comprises: a broadcast processor comprising a tuner, and a real-time object delivery over unidirectional transport (ROUTE) cache, wherein the tuner receives a broadcast signal including an ROUTE file, and the ROUTE cache stores the ROUTE file; and user agent for executing a broadcaster application; and an interface for connecting the broadcaster application to the broadcast processor, wherein the broadcaster application transmits a first request to the interface, and the broadcast processor transmits, to the interface, a first response corresponding to the first request.

公开(公告)号：US20200186287A1

公开(公告)日：2020-06-11

申请号：US16789745

申请日：2020-02-13

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong SHIN ,  Woosuk KO ,  Jaehyung KIM ,  Jongseob BAEK ,  Sungryong HONG

IPC: H04L1/00 ,  H04L27/26 ,  H04L1/04 ,  H04J11/00 ,  H04L12/18 ,  H04B1/10

Abstract: A broadcast signal transmitter includes a first bit interleaver to bit interleave core layer data of at least one core layer Physical Layer Pipe (PLP) for a core layer; a second bit interleaver to bit interleave enhanced layer data of at least one enhanced layer PLP for an enhanced layer; an injection level controller to control power ratio between the bit-interleaved core layer data and the bit-interleaved enhanced layer data; a combiner to combine the core layer data and the enhanced layer data which the power ratio is controlled and to output Layered Division Multiplexing (LDM) data; a power normalizer to normalize power of the LDM data; a time interleaver to perform time-interleaving on the LDM data which the power is normalized; a framer to generate a signal frame comprising a preamble and the time-interleaved LDM data; and a modulator to perform Orthogonal Frequency Division Multiplexing modulation on the signal frame.

公开(公告)号：US20200178041A1

公开(公告)日：2020-06-04

申请号：US16781364

申请日：2020-02-04

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Chulkyu MUN ,  Sungryong HONG

IPC: H04W4/06 ,  H04W52/54 ,  H04L27/26 ,  H04L5/00 ,  H04W52/32

Abstract: A device includes a tuner configured to tune a broadcast signal; a pilot detector configured to detect pilots in the tuned broadcast signal; a de-framer configured to parse a signal frame of the broadcast signal, the signal frame carrying Physical Layer Pipe (PLP) data, the signal frame including a preamble and at least one subframe; and a decoder configured to decode the PLP data.

公开(公告)号：US20200169439A1

公开(公告)日：2020-05-28

申请号：US16732929

申请日：2020-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L12/18 ,  H04L1/00 ,  H04L5/00 ,  H03M13/00 ,  H03M13/29 ,  H03M13/27 ,  H03M13/25 ,  H04H60/11 ,  H04H20/42

Abstract: Disclosed herein is a broadcast signal receiver. The broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation module configured to perform detection and OFDM demodulation on a received broadcast signal, a frame parsing and deinterleaving module configured to parse and deinterleave the signal frame of the broadcast signal, a demapping and decoding module configured to convert the data of at least one Physical Layer Pipe (PLP) of the broadcast signal into a bit domain and to FEC-decode the PLP data, and an output processing module configured to receive the data of the at least one PLP and to output the received data in a data stream form.

公开(公告)号：US20200037393A1

公开(公告)日：2020-01-30

申请号：US16593368

申请日：2019-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04W76/40 ,  H04H20/26 ,  H04H60/73 ,  H04W48/12 ,  H04L1/00 ,  H04H60/48 ,  H04W4/06 ,  H04W48/10 ,  H04W76/11

Abstract: A method of transmitting a broadcast signal includes generating, by a broadcast transmitter, a service and service signaling information for acquiring the service and components of the service; generating, by the broadcast transmitter, signaling data for rapid service scan, the signaling data including protection information for indicating whether a component of the service is protected and information for identifying where the service signaling information is transmitted and hidden information for indicating whether the service is intended for testing or proprietary use; generating, by the broadcast transmitter, physical layer pipes (PLPs) including the service, the service signaling information and the signaling data; and transmitting, by the broadcast transmitter, a broadcast signal carrying a signal frame including the PLPs, wherein the service signaling information includes a service identifier for referencing a service related to the signaling data.

公开(公告)号：US20190342044A1

公开(公告)日：2019-11-07

申请号：US16513185

申请日：2019-07-16

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Sungryong HONG

IPC: H04L5/00 ,  H04L12/18 ,  H04L29/12

Abstract: A method of receiving broadcast signals according to an embodiment of the present invention may comprise the steps of: receiving broadcast signals; demodulating the received broadcast signals by an orthogonal frequency division multiplex (OFDM) method; parsing at least one signal frame from the demodulated broadcast signals, wherein the at least one signal frame includes service data and signaling data corresponding to at least one physical path; decoding the service data included in the at least one signal frame; and encapsulating a baseband packet including the decoded service data and outputting a container packet.

公开(公告)号：US20190222968A1

公开(公告)日：2019-07-18

申请号：US16362053

申请日：2019-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Chulkyu MUN ,  Sungryong HONG

IPC: H04W4/06 ,  H04L5/00 ,  H04W52/32 ,  H04W52/54 ,  H04L27/26

Abstract: A method for processing a broadcast signal, includes encoding Physical Layer Pipe (PLP) data; generating a signal frame by mapping the encoded PLP data onto data symbols in at least one subframe of the signal frame and mapping signaling data onto preamble symbols of a preamble of the signal frame; inserting first pilots into the data symbols of the signal frame and inserting second pilots into the preamble symbols of the signal frame, wherein the first pilots are different from the second pilots, each data symbol has a pilot density according to a first pilot pattern and each preamble symbol has a pilot density according to a second pilot pattern; and modulating data in the signal frame, the signaling information including a boosting parameter of which value has a range defined from 0 to 4 for a subframe.