公开(公告)号：US10476693B2

公开(公告)日：2019-11-12

申请号：US14914543

申请日：2015-02-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/18 ,  H04L29/08 ,  H04W4/06 ,  H04W28/02 ,  H04L29/06

Abstract: The present invention provides an apparatus for transmitting broadcast signals, an apparatus for receiving broadcast signals and methods for transmitting and receiving broadcast signals. A broadcast signal transmission apparatus includes a delivery object generator configured to divide a file into at least one delivery object corresponding to a part of the file, a signaling encoder configured to encode signaling information including metadata for the delivery object, the signaling information including real time information indicating whether the at least one delivery object is transmitted in real time via a unidirectional channel using at least one layered coding transport (LCT) packet, and a transmitter configured to transmit the at least one delivery object and the signaling information. It is possible to reduce a total time consumed for obtaining multimedia content and displaying the multimedia content for a user.

公开(公告)号：US10440448B2

公开(公告)日：2019-10-08

申请号：US15991793

申请日：2018-05-29

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04N21/854 ,  H04N21/2362 ,  H04N21/63 ,  H04N21/643

Abstract: A broadcast signal transmission processing device according to one embodiment of the present invention, comprises a header compression processor that generates first packets including first header information in a uncompressed form and second packets including second header information in a compressed form by performing header compression on Internet protocol (IP) packets containing broadcast data; a header information extracting processor that extracts the header information from the first packets and converts the first packets from which the first header information is extracted to third packets including third header information in a compressed form; a signaling data generating processor that generates signaling packets containing information related to the header compression and mapping information between the IP packets and multiple data pipes; and a broadcast signal transmitting processor that transmits a broadcast signal including the multiple data pipes.

公开(公告)号：US10362450B2

公开(公告)日：2019-07-23

申请号：US15875910

申请日：2018-01-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L1/00 ,  H04H20/00 ,  H04L29/06 ,  H04B7/0413 ,  H04H60/07 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/643

Abstract: A method and apparatus for transmitting broadcast signals are discussed. The method can include generating an input stream having plural input packets, link processing the input packets in the input stream to generate link layer packets, physical processing the link layer packets into the broadcast signals, and transmitting the broadcast signals. The link processing can include generating a payload of a link layer packet by encapsulating either a segment of one input packet or concatenated input packets, generating a header of the link layer packet including a base part, the base part including a first field which indicates whether the payload includes either the segment or the concatenated input packets, and inserting the header in front of the payload.

公开(公告)号：US10334310B2

公开(公告)日：2019-06-25

申请号：US15656296

申请日：2017-07-21

Applicant: LG ELECTRONICS INC.

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

IPC: G11B27/10 ,  H04H20/28 ,  H04H60/73 ,  H04L12/18 ,  H04L29/06 ,  H04N21/61 ,  H04N21/234 ,  H04N21/236 ,  H04N21/434 ,  H04N21/643 ,  H04N21/845 ,  H04N21/854 ,  H04N21/2385

Abstract: An apparatus for transmitting a broadcast signal, the apparatus includes a hardware processor configured to generate input packets carrying service data for a broadcast service; generate a link layer packet having a header and a payload by using the input packets; and generate a broadcast signal including the link layer packet; and a broadcast transmitter configured to transmit the broadcast signal, wherein the header includes a packet type field indicating a packet type of the input packets, and determining which header fields present after the packet type field, wherein when the packet type field indicates that the input packets are Internet Protocol (IP) packets, the hardware processor, to generate a link layer packet, further configured to: add 2 signaling bits immediately after the packet type field, the 2 signaling bits indicating whether the payload carries a segment of one input packet or concatenated input packets.

公开(公告)号：US10142706B2

公开(公告)日：2018-11-27

申请号：US14914892

申请日：2015-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04N21/845 ,  H04N21/61 ,  H04N21/643 ,  H04N21/2381 ,  H04W4/06

Abstract: Provided is a method for transmitting a broadcast signal. The method includes generating a plurality of input packets including broadcast data, generating at least one link layer packet using the input packets, wherein a header of the link layer packet includes packet type information and packet configuration information, the packet type information indicates a type of an input packet included in a payload of the link layer packet, and the packet configuration information indicates a payload configuration of the link layer packet, generating a broadcast signal using the link layer packet, and transmitting the broadcast signal.

公开(公告)号：US10097294B2

公开(公告)日：2018-10-09

申请号：US14913934

申请日：2014-12-30

Applicant: LG ELECTRONICS INC.

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

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

Abstract: The broadcast signal transmitting apparatus includes a signaling encoder for generating signaling information indicating whether a broadcast signal including multimedia content is transmitted in real time using a broadcast network, an internal structure generator for generating at least one object internal structure obtained by dividing a file included in the multimedia content into an independently encoded or decoded data unit, a packet information generator for generating packet information including metadata for identification of the object internal structure when the signaling information indicates that the multimedia content is transmitted in real time, and a transmitter for transmitting a broadcast signal including the object internal structure and the packet information. Accordingly, the apparatus can reduce a total time needed when multimedia content is acquired and then displayed for a user.

公开(公告)号：US10009639B2

公开(公告)日：2018-06-26

申请号：US15076193

申请日：2016-03-21

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/28 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/61 ,  H04N21/643

CPC classification number: H04N21/23605 ,  H04N21/2362 ,  H04N21/615 ,  H04N21/64322

Abstract: A method for processing transmission of a broadcast signal is disclosed. The method includes generating first broadcast data for a first broadcast service using an MPEG media transport (MMT) protocol, generating second broadcast data for a second broadcast service using a real time object delivery over unidirectional transport (ROUTE) protocol, generating first service level signaling information including information for describing attribute of the first broadcast service, generating second service level signaling information including information for describing attribute of the second broadcast service, and generating low level signaling information including information for listing the first broadcast service and the second broadcast service.

公开(公告)号：US09998572B2

公开(公告)日：2018-06-12

申请号：US14915816

申请日：2015-06-25

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Minsung Kwak ,  Kyoungsoo Moon ,  Jangwon Lee

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

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 broadcasting transmitter for transmitting a broadcast signal according to an embodiment of the present invention comprises: an Internet protocol (IP) packet generator for generating first IP packets including broadcast data for a broadcast service and generating a second IP packet including service acquisition information that includes information required for quickly acquiring the broadcast service; a link layer packet generator for generating first link layer packets including the first IP packets; and a broadcast signal generator for generating a broadcast signal that includes the first link layer packets and the second IP packet.

公开(公告)号：US09948417B2

公开(公告)日：2018-04-17

申请号：US15326241

申请日：2015-07-17

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Minsung Kwak ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04N7/10 ,  H04H20/59 ,  H04N21/81

CPC classification number: H04H20/59 ,  H04L1/0041 ,  H04L1/0071 ,  H04L1/0072 ,  H04N21/814 ,  H04W4/06 ,  H04W4/90

Abstract: A broadcast transmission device and a method by which the broadcast transmission device processes data are disclosed. The method by which the broadcast transmission device processes data, according to one embodiment of the present invention, comprises the steps of: encapsulating emergency alert information as a link layer packet; error-correction-encoding data of the link layer packet in a physical layer; building a signal frame including the error-correction-encoded data; and transmitting a broadcast signal including the built signal frame, wherein the link layer packet includes a header and a payload, the header includes header information for signaling the payload, the payload includes the emergency alert information, and the header information includes indication information indicating that the link layer packet is a packet for an emergency alert and type information indicating the type of emergency alert information.

公开(公告)号：US09913299B2

公开(公告)日：2018-03-06

申请号：US14906985

申请日：2015-08-21

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04W76/40 ,  H04H20/26 ,  H04H60/48 ,  H04H60/73 ,  H04L1/00 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L2001/0093 ,  H04W4/06 ,  H04W48/10 ,  H04W48/12 ,  H04W76/11

Abstract: Methods and apparatuses for transmitting and receiving a broadcast signal are disclosed. The broadcast signal transmission method includes encoding broadcast data and fast information for rapid scanning and acquisition of a broadcast service, generating a broadcast signal comprising the encoded broadcast data and fast information, and transmitting the generated broadcast signal.