公开(公告)号：US20190089567A1

公开(公告)日：2019-03-21

申请号：US16195096

申请日：2018-11-19

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04H60/07 ,  H04H20/57 ,  H04B7/0413 ,  H04L1/00 ,  H04N21/61 ,  H04N21/2383 ,  H04H20/72 ,  H04H60/91 ,  H04B7/06

Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and OFDM demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one Physical Layer Pipe (PLP) of the broadcast signal into the bit domain and FEC decoding of the converted PLP data; and an output processing module outputting a data stream by receiving the at least one PLP data.

公开(公告)号：US20190081895A1

公开(公告)日：2019-03-14

申请号：US16185704

申请日：2018-11-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/741 ,  H04N21/2362 ,  H04N21/845 ,  H04N21/643

Abstract: A method for transmitting a broadcast signal, includes generating, by a processor, service data of a broadcast service and service signaling information for signaling the service data, the service data including first service components delivered on a Movie Picture Experts Group (MPEG) Media Transport Protocol (MMTP) session or second service components delivered on a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session, generating, by the processor, a service list table including bootstrap information and protocol information for a type of delivery protocol of the service signaling information, wherein the bootstrap information changes based on the protocol information, generating, by the processor, a broadcast signal including the service signaling information, the service list table, the first or second service component, and transmitting, by a broadcasting antenna, the generated broadcast signal.

公开(公告)号：US20180254865A1

公开(公告)日：2018-09-06

申请号：US15971900

申请日：2018-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Seoyoung BACK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L5/00 ,  H04W4/06 ,  H04L27/26 ,  H04L27/14 ,  H04B7/12 ,  H04L27/12 ,  H04L1/00

CPC classification number: H04L5/0044 ,  H04B7/12 ,  H04H20/28 ,  H04H40/09 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/12 ,  H04L27/14 ,  H04L27/26 ,  H04L27/2647 ,  H04W4/06

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, a mapper to map the encoded service data, a time interleaver to time interleave the mapped service data, wherein the time interleaving is performed depending on number of physical paths for the service data, 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 transmit the broadcast signals having the modulated data.

公开(公告)号：US20180254855A1

公开(公告)日：2018-09-06

申请号：US15971238

申请日：2018-05-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04L27/26 ,  H04L1/04 ,  H04J11/00 ,  H04L12/18 ,  H04B1/10 ,  H04L5/00

CPC classification number: H04L1/0071 ,  H04B1/10 ,  H04J11/004 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0052 ,  H04L1/007 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0023 ,  H04L5/005 ,  H04L12/18 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649

Abstract: A broadcast signal transmitter includes a first Forward Error Correction (FEC) encoder configured to encode core layer data, a second FEC encoder configured to encode enhanced layer data, an injection level controller configured to control power ratio between the encoded core layer data and the encoded enhanced layer data, a combiner configured to combine the core layer data and the enhanced layer data and to output Layered Division Multiplexing (LDM) data, a power normalizer configured to normalize power of the outputted LDM data, a time interleaver configured to time-interleave the LDM data, a framer configured to generate a signal frame comprising a preamble and the time-interleaved LDM data, the preamble carrying signaling information, and a modulator configured to perform Orthogonal Frequency Division Multiplexing (OFDM) modulation on the generated signal frame.

公开(公告)号：US20180213367A1

公开(公告)日：2018-07-26

申请号：US15926389

申请日：2018-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Chulkyu MUN ,  Sungryong HONG

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

CPC classification number: H04W4/06 ,  H04L5/0007 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2626 ,  H04L27/2666 ,  H04W52/325 ,  H04W52/54

Abstract: A broadcast signal receiver includes a tuner configured to tune a broadcast signal, a pilot detector configured to detect pilots comprised in the tuned broadcast signal, a de-framer configured to de-frame a signal frame of the broadcast signal and to extract Physical Layer Pipe (PLP) data, and a decoder configured to decode the extracted PLP data.

公开(公告)号：US20180198655A1

公开(公告)日：2018-07-12

申请号：US15912087

申请日：2018-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Chulkyu MUN ,  Woosuk KO ,  Jongseob BAEK ,  Sungryong HONG

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

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：US20180198576A1

公开(公告)日：2018-07-12

申请号：US15912335

申请日：2018-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

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

CPC classification number: H04L5/0023 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0071 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2637 ,  H04L27/2647 ,  H04W4/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped service data.

公开(公告)号：US20180191464A1

公开(公告)日：2018-07-05

申请号：US15741167

申请日：2016-03-18

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00

CPC classification number: H04L1/0071 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2608 ,  H04L27/2628 ,  H04L27/2647 ,  H04L27/2692 ,  H04L65/4076 ,  H04L65/607 ,  H04L65/80 ,  H04L2001/0093 ,  H04W72/0446

Abstract: A broadcast signal transmitting device according to an embodiment of the present invention may comprise: an encoder for encoding service data; a frame block for generating at least one signal frame including the encoded service data; a frequency interleaver for frequency interleaving data in at least one signal frame by using an interleaving sequence generated on the basis of a basic interleaving sequence and a symbol offset value; a modulator for modulating the frequency interleaved data by using an OFDM (Orthogonal Frequency Division Multiplex) technique; and a transmitting unit for transmitting broadcast signals including the modulated data.

公开(公告)号：US20180176618A1

公开(公告)日：2018-06-21

申请号：US15580554

申请日：2016-07-29

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2389 ,  H04N21/858 ,  H04N21/262 ,  H04N21/643 ,  H04N21/2665 ,  H04N21/61

CPC classification number: H04N21/23892 ,  H04N21/236 ,  H04N21/2389 ,  H04N21/26283 ,  H04N21/2665 ,  H04N21/4725 ,  H04N21/6112 ,  H04N21/6125 ,  H04N21/643 ,  H04N21/8358 ,  H04N21/8586

Abstract: The present invention presents a method for transmitting a broadcast signal. According to the present invention, the method for transmitting a broadcast signal presents a system capable of supporting a next-generation broadcast service in an environment supporting a next-generation hybrid broadcast using a terrestrial broadcast network and an Internet network. In addition, presented is an efficient signaling method capable of covering both a terrestrial broadcast network and an Internet network in an environment supporting a next-generation hybrid broadcast.

公开(公告)号：US20180167996A1

公开(公告)日：2018-06-14

申请号：US15880802

申请日：2018-01-26

Applicant: LG ELECTRONICS INC.

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

IPC: H04W76/40 ,  H04H60/48 ,  H04W48/10 ,  H04W4/06 ,  H04L1/00 ,  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: A method of transmitting a broadcast signal, the method includes generating, by a broadcast transmitter, service data of a service and service signaling information for acquiring the service and components of the service; generating, by the broadcast transmitter, signaling data for rapid service scan, the signaling data including: a first service identifier identifying the service, and protection information indicating whether a component of the service is protected; generating, by the broadcast transmitter, physical layer pipes (PLPs) carrying the service data and the service signaling information, the generated PLPs carrying the signaling data; and transmitting, by the broadcast transmitter, a broadcast signal carrying a signal frame carrying the generated PLPs, wherein the signaling data further includes information for identifying where the service signaling information is transmitted.