公开(公告)号：US20200007250A1

公开(公告)日：2020-01-02

申请号：US16569860

申请日：2019-09-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/59 ,  H04W4/06

Abstract: A method of processing a broadcast signal includes physical layer processing a plurality of packets into a plurality of data pipes to form a signal frame of the broadcast signal. Further, a packet includes an emergency alert message for an emergency alert service so that a data pipe carries the emergency alert massage, the emergency alert message including a message identifier (ID) for identifying the emergency alert message and a service ID identifying a service related to the emergency alert message. The physical layer processing further includes encoding data in each data pipe; bit interleaving the encoded data in each data pipe; and time interleaving the bit interleaved data in each data pipe according to a first mode or a second mode, the first mode represents that the time interleaving is performed based on convolutional interleaving operation, the second mode represents that the time interleaving is performed based on a combination of block interleaving operation and convolutional interleaving operation; and transmitting the broadcast signal. In addition, the broadcast signal further includes physical layer signaling information, the physical layer signaling information including a signaling information representing that the data pipe carries the emergency alert message and time interleaving signaling information related to the first mode and the second mode.

公开(公告)号：US20190327349A1

公开(公告)日：2019-10-24

申请号：US16504113

申请日：2019-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Minsung KWAK ,  Kyoungsoo MOON ,  Jangwon LEE

IPC: H04L29/06 ,  H04N21/435 ,  H04N21/434 ,  H04N21/2381 ,  H04N21/2362 ,  H04L29/08 ,  H04L29/12 ,  H04N21/235 ,  H04W4/06

Abstract: A digital broadcast receiver for processing a broadcast signal, includes a tuner configured to receive the broadcast signal including Physical Layer Pipes (PLPs), wherein the PLPs carry link layer packets; and a controller coupled to the tuner, wherein the controller is configured to decode a specific PLP, acquire signaling information for header compression, wherein the signaling information for header compression includes a PLP identifier for the signaling information for header compression, profile information for representing a range of multiple protocols used to compress at least one stream, and a maximum value of a context identifier, decode another PLP to receive the at least one compressed stream based on the signaling information for header compression, and decompress the at least one compressed stream.

公开(公告)号：US20190166060A1

公开(公告)日：2019-05-30

申请号：US16262154

申请日：2019-01-30

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Kyoungsoo MOON

IPC: H04L12/823 ,  H04L29/06 ,  H04L12/18 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/438

Abstract: A method for processing input data in a transmitter is discussed. The method includes processing a link layer packet. Further, the link layer packet includes a header and a payload, the header includes a base header, the base header includes packet type information for representing a first packet type, and segmentation concatenation information for representing that the payload carries a segment of a single input packet or multiple input packets, in response to the packet type information for a packet type extension, the header further includes an additional header for type extension, the additional header for type extension includes extended type information for representing a second packet type, and the extended type information is used for the second packet type different from the first packet type which is represented by the packet type information, and in response to the payload carrying the multiple input packets, the header further includes an additional header for concatenation, the additional header for concatenation includes count information for representing a number of the multiple input packets included in the link layer packet, and a value of the count information is set to a number of the multiple input packets included in the link layer packet subtracted by two; and transmitting a broadcast signal based on the link layer packet.

公开(公告)号：US20180367227A1

公开(公告)日：2018-12-20

申请号：US16113827

申请日：2018-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon LEE ,  Sejin OH ,  Woosuk KWON ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04H20/71 ,  H04N21/61 ,  H04N21/235 ,  H04L29/06 ,  H04N21/2362 ,  H04N21/84 ,  H04N21/236 ,  H04L29/08 ,  H04N19/89

CPC classification number: H04H20/71 ,  H04L65/4069 ,  H04L65/4076 ,  H04L65/602 ,  H04L65/607 ,  H04L67/02 ,  H04N19/89 ,  H04N21/235 ,  H04N21/236 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/6131 ,  H04N21/84

Abstract: A device with one or more processors for processing broadcast signals, the device including a depacketizing processor for extracting one or more delivery objects from one or more Layered Coding Transport (LCT) packets of the broadcast signals based on signaling information including mapping information, wherein the one or more LCT packet are used to transport the one or more delivery objects including service data for one or more broadcast services of the broadcast signals, wherein the one or more delivery object are carried in one or more transport sessions, wherein each LCT packet includes a header having a Transport Object Identifier (TOI) identifying a delivery object being carried in the each LCT packet, wherein the mapping information is used to establish a one-to-one mapping between the TOI and a uniform resource locator (URL) for the delivery object, wherein the one or more LCT packets and the signaling information are transmitted separately, wherein the header of each LCT packet further includes type information indicating whether a type of the delivery object being carried in the each LCT packet is a media segment type or an initialization segment type and a decoding processor for decoding the service data for the broadcast service.

公开(公告)号：US20180338113A1

公开(公告)日：2018-11-22

申请号：US16047189

申请日：2018-07-27

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON

IPC: H04N7/08 ,  H04N21/643 ,  H04N21/2385 ,  H04L29/06 ,  H04N21/61 ,  H04N21/488 ,  H04N21/262 ,  H04N21/2381 ,  H04N21/2362 ,  H04N21/845 ,  H04N21/81 ,  H04N19/46 ,  H04N21/434 ,  H04N21/236

CPC classification number: H04N7/08 ,  H04L65/4069 ,  H04L65/4092 ,  H04L65/602 ,  H04L65/608 ,  H04L69/00 ,  H04L69/04 ,  H04L69/22 ,  H04N19/46 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2385 ,  H04N21/26258 ,  H04N21/434 ,  H04N21/4882 ,  H04N21/6125 ,  H04N21/6131 ,  H04N21/64322 ,  H04N21/814 ,  H04N21/8456

Abstract: A method of transmitting a broadcast signal is discussed. The method includes generating at least one first link layer packet including data packets that include broadcast data in a link layer that is a layer between a physical layer and a network layer, generating at least one second link layer packet including link layer signaling information in the link layer, and transmitting the broadcast signal including the at least one first link layer packet and the at least one second link layer packet in the physical layer.

公开(公告)号：US20180270334A1

公开(公告)日：2018-09-20

申请号：US15980887

申请日：2018-05-16

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Minsung KWAK ,  Kyoungsoo MOON ,  Jangwon LEE

IPC: H04L29/06 ,  H04W4/06 ,  H04N21/435 ,  H04N21/434 ,  H04N21/2381 ,  H04N21/235 ,  H04L29/08 ,  H04N21/2362 ,  H04L29/12

CPC classification number: H04L69/22 ,  H04L29/06 ,  H04L29/08 ,  H04L61/2007 ,  H04L61/6068 ,  H04L69/324 ,  H04N21/235 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/434 ,  H04N21/4345 ,  H04N21/435 ,  H04W4/06

Abstract: A broadcast receiver for receiving a broadcast signal includes a receiver for receiving the broadcast signal including Physical Layer Pipe(PLP)s, wherein the PLPs carry link layer packets and wherein the link layer packets include one or more Internet protocol (IP) packets, a packet decoder for decoding the link layer packets from the PLPs, wherein the link layer packets include a compression information table related to a header-compressed stream of a first group of IP packets among the IP packets, and wherein the compression information table includes a PLP identifier identifying a PLP among the PLPs, a maximum value of an context identifier of the header-compressed stream, and a context profile being a range of protocols used for the header-compressed stream, a signaling decoder for decoding the compression information table in the decoded link layer packets, and a decompressor for decompressing the header-compressed stream to output the first group of IP packets.

公开(公告)号：US20180254940A1

公开(公告)日：2018-09-06

申请号：US15758307

申请日：2016-09-08

Applicant: LG Electronics Inc.

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

IPC: H04L29/08 ,  H04L29/06

CPC classification number: H04L29/08648 ,  H04L29/08018 ,  H04L29/0809 ,  H04L65/4076 ,  H04L65/607 ,  H04L67/02 ,  H04L67/16

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：US20180083874A1

公开(公告)日：2018-03-22

申请号：US15818939

申请日：2017-11-21

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04L12/741 ,  H04L29/06 ,  H04N21/234 ,  H04H60/07 ,  H04N21/2343

CPC classification number: H04L45/74 ,  H04H60/07 ,  H04L69/22 ,  H04N21/234 ,  H04N21/2343 ,  H04N21/238

Abstract: An apparatus for receiving a broadcast signal, the apparatus includes a tuner configured to receive a broadcast signal; and a hardware processor configured to: process the broadcast signal to output a link layer packet, decapsulate the link layer packet to output a plurality of output packets comprising service data for a broadcast service, and decode the output packets to output the service data for the broadcast service, wherein the link layer packet includes a header and a payload including the service data of the output packets, wherein the header includes a base header having a first length field, wherein the header further includes an additional header for concatenation and the payload includes concatenated output packets, the additional header includes a second length field, and a concatenation of the first length field and the second length field indicates a total length of the payload.

公开(公告)号：US20180048695A1

公开(公告)日：2018-02-15

申请号：US15555385

申请日：2016-02-29

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04N21/2665 ,  H04N21/2362 ,  H04N21/858 ,  H04N7/088 ,  H04W4/06

CPC classification number: H04N7/088 ,  H03M13/1102 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/253 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2703 ,  H03M13/2906 ,  H03M13/618 ,  H03M13/6362 ,  H04L1/0041 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/04 ,  H04L65/4076 ,  H04L65/607 ,  H04L65/608 ,  H04L65/80 ,  H04L67/02 ,  H04L67/146 ,  H04N7/0887 ,  H04N21/235 ,  H04N21/2353 ,  H04N21/236 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2665 ,  H04N21/4345 ,  H04N21/4348 ,  H04N21/8586 ,  H04W4/06

Abstract: A method for transmitting a broadcast signal according to an embodiment of the present invention comprises generating service layer signaling information for discovery and acquisition of a broadcast service and a content component of the broadcast service; generating service list information including for service list building and discovery of the service layer signaling information; and physical layer processing of the service list information, service layer signaling information, and content component.

公开(公告)号：US20170373918A1

公开(公告)日：2017-12-28

申请号：US15119315

申请日：2016-03-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/08 ,  H04N21/2362 ,  H04N21/462 ,  H04N21/242 ,  H04N21/43 ,  H04H60/07

CPC classification number: H04N21/6437 ,  H04H60/07 ,  H04L1/00 ,  H04L1/0071 ,  H04L29/06 ,  H04L29/08 ,  H04L29/08018 ,  H04L29/0809 ,  H04L67/02 ,  H04L69/323 ,  H04N21/235 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/242 ,  H04N21/27 ,  H04N21/4302 ,  H04N21/4345 ,  H04N21/462 ,  H04N21/858

Abstract: A method of processing transmission of a broadcast signal includes generating broadcast data for one or more broadcast services, generating first level signaling information including information for describing attribute for the one or more broadcast services, generating second level signaling information including information for listing the one or more broadcast services, generating link layer packets including the encoded broadcast data, the first level signaling information, and the second level signaling information, and generating a broadcast signal including the generated link layer packets.