公开(公告)号：US20200259591A1

公开(公告)日：2020-08-13

申请号：US16860897

申请日：2020-04-28

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Seoyoung Back ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L27/26 ,  H03M13/00 ,  H03M13/27 ,  H04L12/18 ,  H04L5/00 ,  H04B7/0413 ,  H04B1/04 ,  H03M13/25

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data corresponding to a number of physical paths, a time interleaver to time interleave the encoded service data in each physical path, a frame builder to build at least one signal frame including the time interleaved service data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmitting the broadcast signals having the modulated data.

公开(公告)号：US10728306B2

公开(公告)日：2020-07-28

申请号：US16117874

申请日：2018-08-30

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Minsung Kwak ,  Woosuk Ko ,  Kyoungsoo Moon ,  Sungryong Hong

IPC: H04L29/06

Abstract: A method for processing a broadcast signal according to an embodiment of the present invention includes encoding data in one or more packets of a first protocol and data in one or more packets of a second protocol, wherein the one or more packets of a first protocol carry one or more service components of a first broadcast service, and a first service layer signaling information describing the first broadcast service of the one or more service components, and wherein one or more packets of a second protocol carry one or more service components of a second broadcast service, and a second service layer signaling information describing the second broadcast service of the one or more service components, the first protocol being distinct from the second protocol; processing the encoded data; and transmitting the broadcast signals carrying the processed data.

公开(公告)号：US10715966B2

公开(公告)日：2020-07-14

申请号：US16362053

申请日：2019-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Chulkyu Mun ,  Sungryong Hong

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

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.

公开(公告)号：US10701110B2

公开(公告)日：2020-06-30

申请号：US16400153

申请日：2019-05-01

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Jangwon Lee ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L29/06 ,  H04L29/08 ,  H04H60/07 ,  H04H20/42 ,  H04N21/434 ,  H04N21/2362 ,  H04H20/72 ,  H04L5/00 ,  G06F16/95 ,  H04L29/12 ,  H04H60/72

Abstract: A broadcast transmission method includes generating service data for a service, generating service layer signaling data, the service layer signaling data including first signaling data, second signaling data and third signaling data, the first signaling data including reference information referring to the second signaling data and the third signaling data, the second signaling data including a description of a component of the service, and the third signaling data including acquisition information of the component related to the service, and transmitting a broadcast signal including the service data and the service layer signaling data.

公开(公告)号：US10609103B2

公开(公告)日：2020-03-31

申请号：US16005343

申请日：2018-06-11

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Minsung Kwak ,  Seungryul Yang ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L29/06 ,  H04L29/08

Abstract: A method of receiving broadcast signals is provided. The method includes receiving the broadcast signals and decoding a service layer table including bootstrap information from the received broadcast signals. The bootstrap information indicates an MPEG Media Transport Protocol (MMTP) session carrying service layer signaling. The method further includes decoding the service layer signaling from MPEG Media Transport (MMT) packets based on the MMTP and decoding a transport session description from a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session. In addition, service components are delivered by the MMT packets based on MPEG Media Transport Protocol, and non-real time components are delivered by Layered Coding Transport (LCT) packets in the ROUTE session. The service components delivered in the MMT packets and the non-real time components delivered in the LCT packets are decoded, respectively.

公开(公告)号：US10574504B2

公开(公告)日：2020-02-25

申请号：US16381748

申请日：2019-04-11

Applicant: LG Electronics Inc.

Inventor： Minsung Kwak ,  Seungryul Yang ,  Woosuk Ko ,  Woosuk Kwon ,  Kyoungsoo Moon ,  Jangwon Lee ,  Sungryong Hong

IPC: G06F15/16 ,  H04L29/08 ,  H04L29/06

Abstract: Disclosed is a method for transmitting a broadcast signal. A method for transmitting a broadcast signal according to an embodiment of the present invention comprises the steps of: delivery layer processing broadcasting service data and signaling information for the broadcasting service data; UDP/IP encapsulating the broadcasting service data and signaling information for the broadcasting service data; and physical layer processing the broadcasting service data and signaling information for the broadcasting service data.

公开(公告)号：US10554466B2

公开(公告)日：2020-02-04

申请号：US16192409

申请日：2018-11-15

Applicant: LG Electronics Inc.

Inventor： Jaehyung Kim ,  Chulkyu Mun ,  Woosuk Ko ,  Jongseob Baek ,  Sungryong Hong

IPC: H04L1/04 ,  H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04W72/00

Abstract: A broadcast signal receiver includes a tuner for tuning a broadcast signal, a reference signal detector for detecting pilots from the tuned broadcast signal, a de-framer for de-framing a signal frame of the broadcast signal and deriving service data based on a number of carriers of the signal frame, and a decoder for performing error correction process on the derived service data.

公开(公告)号：US20200029123A1

公开(公告)日：2020-01-23

申请号：US16572313

申请日：2019-09-16

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Woosuk Kwon ,  Sungryong Hong ,  Kyoungsoo Moon ,  Jangwon Lee ,  Woosuk Ko

IPC: H04N21/462 ,  H04L1/00 ,  H04N7/24 ,  H04N21/2383 ,  H04N21/854 ,  H04N21/2362 ,  H03M13/11 ,  H03M13/27 ,  H04N5/40 ,  H04N21/242 ,  H04N21/262 ,  H04N21/43

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe (DP) data, Low-Density Parity-Check (LDPC) encoding the DP data according to a code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, building at least one signal frame including the mapped DP data, and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) method and transmitting the broadcast signals having the modulated data, wherein the input streams include Audio/Video (A/V) data and service guide data, and wherein the Audio/Video (A/V) data and service guide data are included in first ISO base media file format (ISOBMFF) files.

公开(公告)号：US20200015059A1

公开(公告)日：2020-01-09

申请号：US16392346

申请日：2019-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon Lee ,  Sejin Oh ,  Kyoungsoo Moon ,  Seungjoo An ,  Woosuk Ko ,  Sungryong Hong

IPC: H04W4/90 ,  H04L29/08 ,  H04W4/80 ,  H04W4/06 ,  H04H20/59 ,  H04H20/08

Abstract: Provided is a broadcast receiving device receiving a broadcast service interoperating with a companion device. The broadcast receiving device includes: an IP communication unit configured to establish a pairing session with the companion device; a broadcast communication unit configured to receive an emergency alert message including an emergency alert alerting a disaster situation on the basis of the broadcast service; and a control unit configured to transmit information on the emergency alert message to the companion device.

公开(公告)号：US10523789B2

公开(公告)日：2019-12-31

申请号：US15105333

申请日：2014-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Woosuk Ko ,  Sungryong Hong ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04L29/06 ,  H04L1/00 ,  H04L12/931 ,  H04W28/06 ,  H04W4/06

Abstract: A method and apparatus for transmitting and receiving a broadcast signal including a robust header compression (RoHC) packet stream are disclosed. The broadcast signal transmitting method includes compressing a header of an IP packet included in an IP packet stream to generate an RoHC packet stream, extracting a first part of an RoHC packet included in the generated RoHC packet stream, converting a second part of the RoHC packet into another type of an RoHC packet, reconfiguring a new packet stream including the converted another type of the RoHC packet, transporting the reconfigured packet stream through a first channel, and transporting the extracted first part through a second channel.