公开(公告)号：US20190238383A1

公开(公告)日：2019-08-01

申请号：US16376891

申请日：2019-04-05

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong CHOI ,  Woosuk KO ,  Sangchul MOON ,  Sungryong HONG

IPC: H04L27/26 ,  H04L27/22 ,  H04L27/38 ,  H04L27/34 ,  H04W4/06 ,  H04L27/36 ,  H04B7/0413

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04L27/0008 ,  H04L27/18 ,  H04L27/22 ,  H04L27/2627 ,  H04L27/3444 ,  H04L27/362 ,  H04L27/38 ,  H04W4/06

Abstract: A method for receiving broadcast signals in a receiver, includes receiving the broadcast signals carrying service data, demodulating the broadcast signals by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, Multiple-Input Multiple-Output (MIMO) processing the broadcast signals based on rotation matrices with rotation angles, wherein values of the rotation angles depend on modulation orders and code rates of the service data, demapping data in the broadcast signals and decoding the data based on the code rates.

公开(公告)号：US20190182086A1

公开(公告)日：2019-06-13

申请号：US16279475

申请日：2019-02-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04H60/76 ,  H04H60/73 ,  H04H20/33 ,  H04H60/25 ,  H04L29/08 ,  H04L29/06 ,  H04H60/32

CPC classification number: H04L27/2602 ,  H04H20/33 ,  H04H60/25 ,  H04H60/32 ,  H04H60/73 ,  H04H60/76 ,  H04L5/0091 ,  H04L27/2608 ,  H04L29/06 ,  H04L29/08

Abstract: The present invention provides a method of transmitting a broadcast signal. The method of transmitting a broadcast signal according to the present invention provides a system capable of supporting future broadcast services in environments supporting next-generation hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, efficient signaling methods capable of covering both terrestrial broadcast networks and the Internet in environments supporting future hybrid broadcast are provided.

公开(公告)号：US20190166390A1

公开(公告)日：2019-05-30

申请号：US16302002

申请日：2017-05-24

Applicant: LG Electronics Inc.

Inventor： Minsung KWAK ,  Woosuk KO

IPC: H04N21/236 ,  H04N21/81 ,  H04N21/858

Abstract: Disclosed is a broadcast signal transmitting method. A broadcast signal transmitting method according to an embodiment of the present invention may comprise: generating low level signaling (LLS) information; processing the LLS information into IP packets; generating link layer packets by link layer processing the IP packets; and generating a broadcast signal by physical layer processing the link layer packets.

公开(公告)号：US20190158895A1

公开(公告)日：2019-05-23

申请号：US16085531

申请日：2017-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Woosuk Kwon ,  Seungryul YANG ,  Woosuk KO

IPC: H04N21/2381 ,  H04N21/236 ,  H04N21/2343 ,  H04N21/434

CPC classification number: H04N21/2381 ,  H04L65/4076 ,  H04N21/2343 ,  H04N21/234345 ,  H04N21/236 ,  H04N21/23605 ,  H04N21/434 ,  H04N21/4345

Abstract: Disclosed is a broadcast signal transmitting method. The broadcast signal transmitting method according to an embodiment of the present invention may comprise: generating low level signaling, LLS, information; encapsulating the LLS information into an IP packet; and generating a signal frame by physical layer processing the LLS information. The LLS information may comprise comprises LLS ID information identifying a type of the LLS information and the type of the LLS information may comprise at least one of EA information providing information related to emergency alert and screen clear information providing information related to screen clear.

公开(公告)号：US20190149641A1

公开(公告)日：2019-05-16

申请号：US16245971

申请日：2019-01-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/08 ,  H04W4/06 ,  H04N21/643 ,  H04N21/2389 ,  H04L12/18 ,  H04N21/2362 ,  H04L29/06 ,  H04L12/911

Abstract: A method for processing a broadcast signal, includes generating a first group of one or more link layer packets carrying broadcast data, first level signaling information, and second level signaling information, the first level signaling information including information for one or more broadcast services and one or more components belonging to each service, the second level signaling information including information for listing the one or more broadcast services, generating a second group of one or more link layer packets carrying third level signaling information that includes physical layer pipe (PLP) identifying information for identifying a PLP to which the third level signaling information is applied, a header of each link layer packet of the second group including header type information indicating that the link layer packet carries the third level signaling information so that a receiver obtains the third level signaling information before obtaining the first level signaling information and the second level signaling information.

公开(公告)号：US20190109744A1

公开(公告)日：2019-04-11

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

CPC classification number: H04L27/265 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0071 ,  H04L5/0023 ,  H04L5/005 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2647 ,  H04L27/2655 ,  H04L27/2665 ,  H04W72/005

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：US20190098342A1

公开(公告)日：2019-03-28

申请号：US16206494

申请日：2018-11-30

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Seungryul YANG ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/2362 ,  H04N21/482 ,  H04N21/41 ,  H04N21/472 ,  H04N21/81 ,  H04N21/488 ,  H04N21/44 ,  H04N21/439 ,  H04N21/262 ,  H04N21/233 ,  H04N21/434 ,  H04N21/2389 ,  H04N21/235 ,  H04N21/234 ,  H04N21/462 ,  H04N21/45 ,  H04N21/258

Abstract: An apparatus for receiving a broadcast signal, includes a receiver configured to receive the broadcast signal including physical layer signaling data, signaling data, content data and service guide information, wherein the signaling data is included in a signal frame indicated by the physical layer signaling data, wherein the signaling data includes mapping information between a service and a PLP, and information supporting channel scanning and service acquisition, wherein the service guide information includes a service fragment having information about the broadcast service and a content fragment having information about content data of the broadcast service, wherein the content fragment further includes a content-level PrivateExt element having component information of the content data, wherein the component information includes information for a component in the broadcast service, and wherein the component is one of a video component, an audio component, and a closed caption component (CC).

公开(公告)号：US20190075005A1

公开(公告)日：2019-03-07

申请号：US16175365

申请日：2018-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong CHOI ,  Woosuk KO ,  Sangchul MOON ,  Sungryong HONG

IPC: H04L27/26 ,  H04W4/06 ,  H04L27/38 ,  H04L27/36 ,  H04B7/0413 ,  H04L27/22 ,  H04L27/34 ,  H04B7/10

Abstract: A method for receiving broadcast signals in a receiver, includes receiving the broadcast signals carrying service data, demodulating the broadcast signals by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, Multiple-Input Multiple-Output (MIMO) processing the broadcast signals based on rotation matrices with rotation angles, wherein values of the rotation angles depend on modulation orders and code rates of the service data, demapping data in the broadcast signals and decoding the data based on the code rates, wherein when a modulation order is Quadrature Phase Shift Keying (QPSK) and the code rates are 2/15, 3/15, 4/15, and 5/15, the values of the rotation angles are zero (0) degrees, and when a modulation order is QPSK and the code rates are 6/15, 7/15, 8/15, 9/15, 10/15, 11/15, 12/15 and 13/15, the values of the rotation angles are non-zero (0) degrees.

公开(公告)号：US20190052384A1

公开(公告)日：2019-02-14

申请号：US16070226

申请日：2017-01-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/42 ,  H04H20/59 ,  H04L29/12 ,  H04L29/06

CPC classification number: H04H20/42 ,  H04H20/59 ,  H04H60/72 ,  H04L29/06006 ,  H04L29/0604 ,  H04L29/06095 ,  H04L29/0653 ,  H04L61/2069 ,  H04L65/4076 ,  H04L65/607 ,  H04L65/80 ,  H04L69/02 ,  H04L69/04 ,  H04L69/16 ,  H04L69/22

Abstract: A method for transmitting and receiving a broadcast signal is disclosed. The method for transmitting a broadcast signal, according to an embodiment of the present invention, comprises the steps of: performing delivery layer processing on broadcast service data and signaling information about the broadcast service data; performing UDP/IP encapsulating on the broadcast service data and the signaling information about the broadcast service data; and performing physical layer processing on the broadcast service data and the signaling information about the broadcast service data.

公开(公告)号：US20190013979A1

公开(公告)日：2019-01-10

申请号：US16125440

申请日：2018-09-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H03M13/27 ,  H03M13/11 ,  H03M13/15 ,  H03M13/25 ,  H03M13/29 ,  H03M13/09

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/271 ,  H03M13/2742 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0053 ,  H04L27/2605 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2634 ,  H04L27/265 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for 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, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data, wherein the different interleaving-seed is generated based on a cyclic shifting value and wherein an interleaving seed is variable based on an FFT size of the modulating.