公开(公告)号：US10326816B2

公开(公告)日：2019-06-18

申请号：US15104418

申请日：2015-01-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/6437 ,  H04N21/8547 ,  H04N21/854 ,  H04N21/647 ,  H04N21/242 ,  H04L29/08 ,  H04L29/06 ,  H04H60/82 ,  H04H20/18

Abstract: The present invention provides An apparatus for receiving a broadcast content via one or more networks. The apparatus comprises a broadcast network interface for receiving broadcast streams including first protocol packets including first portions of the broadcast content via a broadcast network, a heterogeneity network interface for receiving second protocol packets including a second portion of the broadcast content via a heterogeneity network, and a processor for configuring the broadcast content using the first protocol packets and the second protocol packets based on information included in the third protocol packets.

公开(公告)号：US10313716B2

公开(公告)日：2019-06-04

申请号：US15021380

申请日：2014-10-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/236 ,  H04N21/6437 ,  H04N21/845 ,  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. An apparatus for transmitting a broadcast signal including multimedia content using a broadcast network includes: an encoder configured to generate signaling information, wherein the signaling information indicates whether the multimedia content is to be transmitted in real time; a transmission block generator, if the signaling information indicates real-time transmission of the multimedia content, configured to divide a file contained in the multimedia content into at least one transmission block (TB) indicating a data unit that is independently encoded and transmitted; and a transmitter configured to transmit the transmission block (TB). 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：US10305940B2

公开(公告)日：2019-05-28

申请号：US15119256

申请日：2015-11-11

Applicant: LG ELECTRONICS INC.

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

IPC: G06F15/16 ,  H04L29/06 ,  H04L5/00 ,  H04L29/08 ,  G06F17/30 ,  H04H20/72 ,  H04N21/2362 ,  H04N21/434 ,  H04H20/42 ,  H04H60/07 ,  H04L29/12

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：US10305722B2

公开(公告)日：2019-05-28

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: 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：US10277445B2

公开(公告)日：2019-04-30

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 ,  H04L27/38 ,  H04L27/34 ,  H04L27/22 ,  H04L27/36 ,  H04B7/0413 ,  H04W4/06 ,  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：US10264300B2

公开(公告)日：2019-04-16

申请号：US15696479

申请日：2017-09-06

Applicant: LG ELECTRONICS INC.

Inventor： Sangchul Moon ,  Woosuk Ko ,  Sungryong Hong ,  Jinwoo Kim ,  Jongwoong Shin

IPC: H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04N21/81 ,  H04L1/00

Abstract: A method for transmitting broadcast signals by an apparatus for transmitting broadcast signals, the method includes encoding service data according to a 16200 bit codeword and a 11/15 code rate based on addresses in a parity check matrix, wherein the encoded service data comprises information bits and parity bits; building at least one signal frame by mapping the encoded service data; modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) scheme; and transmitting broadcast signals having the modulated data, wherein the encoding of the service data comprises: initializing the parity bits, adding the information bits to the parity bits of which addresses are based on values of entries in each row of the parity check matrix, wherein a row of the parity check matrix corresponds to a 360 bit group of the information bits.

公开(公告)号：US10237590B2

公开(公告)日：2019-03-19

申请号：US15730461

申请日：2017-10-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/234 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/438 ,  H04N21/6379 ,  H04N21/85 ,  H03M13/27 ,  H03M13/09 ,  H03M13/11 ,  H03M13/15 ,  H03M13/25 ,  H03M13/29 ,  H04L1/00 ,  H04L5/00 ,  H04N7/08

Abstract: A method is provided for transmitting broadcast signals. Service data is encoded. The encoded service data is mapped to symbols onto constellations. Data cells are frequency interleaved in a symbol among the symbols in at least one frame unit using an interleaving sequence. The interleaving sequence is generated based on a main interleaving-sequence and a symbol offset value. The interleaving sequence is generated by operating the main interleaving-sequence with the symbol offset value. The data cells are included in the symbol with a symbol index and a frame unit with a frame unit index. The frequency interleaving of the data cells operates on a frame basis. The frequency interleaving of the data cells is reset when a first frame unit is changed to a second frame unit. Data is modulated in the at least one frame unit by an Orthogonal Frequency Division Multiplexing (OFDM) scheme. The broadcast signals carrying the modulated data are transmitted.

公开(公告)号：US10212461B2

公开(公告)日：2019-02-19

申请号：US15746323

申请日：2016-07-21

Applicant: LG Electronics Inc.

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

IPC: H04N21/236 ,  H04N21/2362 ,  H04N21/438 ,  H04N21/4385 ,  H04N21/858 ,  H04N21/61

Abstract: A method for transmitting a broadcast signal is disclosed. The method for transmitting a broadcast signal according to an embodiment of the present invention includes performing delivery layer processing of a broadcast service data and signaling information for the broadcast service data, performing UDP/IP encapsulation of a broadcast service data and signaling information for the broadcast service data and performing physical layer processing of a broadcast service data and signaling information for the broadcast service data.

公开(公告)号：US10158510B2

公开(公告)日：2018-12-18

申请号：US15466471

申请日：2017-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong ,  Jongwoong Shin ,  Jinwoo Kim

IPC: H04B7/02 ,  H04L1/02 ,  H04L27/26 ,  H04B7/0413 ,  H04L5/00

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. An apparatus for transmitting broadcast signals comprises an encoder for encoding service data corresponding to each of a plurality of data transmission path, wherein each of the data transmission path carries at least one service component, a mapper for mapping the encoded service data onto constellations, an encoder for encoding physical signaling data, a frame builder for building at least one signal frame including preamble data, the encoded physical signaling data, the mapped service data, wherein the preamble data is located before the encoded physical signaling data and the encoded physical signaling data is located before the mapped service data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame, wherein the broadcast signals includes channel information data, wherein the channel information data includes binding information between the service data and the data transmission path.

公开(公告)号：US10158452B2

公开(公告)日：2018-12-18

申请号：US15636230

申请日：2017-06-28

Applicant: LG Electronics Inc.

Inventor： Jinwoo Kim ,  Jongwoong Shin ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L27/26 ,  H04L12/18 ,  H04L5/00 ,  H04L29/06 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/11 ,  H03M13/15 ,  H03M13/35

Abstract: A method is provided for transmitting broadcast signals. The method includes encoding, by an encoder, service data, encoding, by a signaling encoder, signaling data based on modes of the signaling data, wherein the signaling data is categorized into each mode representing a Low Density Parity Check (LDPC) code rate and a modulation order for the signaling data, building, by a frame builder, at least one signal frame including the encoded service data in at least one data symbol and the encoded signaling data in at least one signaling symbol, modulating, by a modulator, data in the at least one signal frame by an Orthogonal Frequency Division Multiplex (OFDM) scheme, and transmitting, by a transmitter, the broadcast signals carrying the modulated data in the at least one signal frame. One of the modes for the signaling data represents a 6/15 LDPC code rate and a Quadrature Phase Shift Keying (QPSK) modulation.