公开(公告)号：US09979578B2

公开(公告)日：2018-05-22

申请号：US15693011

申请日：2017-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Yonghak Suh ,  Sangchul Moon ,  Jongwoong Shin ,  Woosuk Ko ,  Sungryoung Hong

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

CPC classification number: H04L27/2627 ,  H03M13/036 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H04H20/33 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0044 ,  H04L27/2649 ,  H04L2001/0093

Abstract: The present invention provides an apparatus of transmitting broadcast signals. The apparatus includes, an encoder for encoding service data, a bit interleaver for bit interleaving the encoded service data, a mapper for mapping the bit interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, an OFDM modulator for modulating data in the built at least one signal frame by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data.

公开(公告)号：US09935736B2

公开(公告)日：2018-04-03

申请号：US15467226

申请日：2017-03-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/16 ,  H04L1/00 ,  H04L27/26 ,  H03M13/11 ,  H03M13/15 ,  H03M13/25 ,  H03M13/27 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/434 ,  H04N21/438

CPC classification number: H04L1/0057 ,  H03M13/036 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0071 ,  H04L27/2605 ,  H04L27/2627 ,  H04L27/2649 ,  H04L2001/0093 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

Abstract: The present invention provides an apparatus of transmitting broadcast signals, the apparatus including, an encoder for encoding service data, a frame builder for building at least one signal frame by mapping the encoded service data, a modulator for modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and a transmitter for transmitting the broadcast signals having the modulated data.

公开(公告)号：US09929785B2

公开(公告)日：2018-03-27

申请号：US15461239

申请日：2017-03-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04B7/0456 ,  H04L5/00 ,  H04L1/00 ,  H03M13/11 ,  H03M13/00 ,  H03M13/27

CPC classification number: H04N21/2362 ,  H03M13/1148 ,  H03M13/2792 ,  H03M13/616 ,  H04B7/0456 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L27/2627 ,  H04L27/2649 ,  H04N21/23614 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

Abstract: The present invention provides a method of transmitting broadcast signals, the method including encoding service data, building at least one signal frame by mapping the encoded service data, modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and transmitting the broadcast signals having the modulated data.

公开(公告)号：US09917718B2

公开(公告)日：2018-03-13

申请号：US15643044

申请日：2017-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong Choi ,  Woosuk Ko ,  Sangchul Moon ,  Sungryong Hong

IPC: H04L27/06 ,  H04L27/26 ,  H04B7/10 ,  H04B7/0456 ,  H04B7/08 ,  H04L5/00 ,  H04L1/00

CPC classification number: H04L27/2627 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0682 ,  H04B7/08 ,  H04B7/10 ,  H04H20/33 ,  H04L1/0045 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2647 ,  H04L27/2649

Abstract: A method and an apparatus for receiving broadcast signals thereof are disclosed. The method for receiving broadcast signals, the method comprises receiving the broadcast signals, demodulating the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, parsing a signal frame from the demodulated broadcast signals, MIMO (Multiple-Input and Multiple-Output) decoding service data in the parsed signal frame, decoding signaling data in the parsed signal frame and decoding the MIMO decoded service data.

公开(公告)号：US09882731B2

公开(公告)日：2018-01-30

申请号：US14200648

申请日：2014-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Ko ,  Sangchul Moon ,  Jeonghwan Park ,  Hotaek Hong

IPC: H04L12/18 ,  H04H20/42 ,  H04L1/00 ,  H04N21/2343 ,  H04N21/235 ,  H04N21/2383 ,  H04N21/435 ,  H04N21/438 ,  H04N21/61 ,  H04L5/00 ,  H04L27/26 ,  H04N5/44 ,  H04H60/73 ,  H04N21/2365 ,  H04N21/434

CPC classification number: H04L12/18 ,  H04H20/42 ,  H04H60/73 ,  H04L1/0041 ,  H04L1/0045 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2647 ,  H04N5/4401 ,  H04N21/234327 ,  H04N21/235 ,  H04N21/2365 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/435 ,  H04N21/4382 ,  H04N21/6131

Abstract: A broadcasting signal reception method according to the present invention comprises the following steps: OFDM-demodulating by receiving a plurality of broadcasting signals, which contain a transmission frame for transmitting a broadcasting service; outputting the transmission frame by decoding a plurality of OFDM-demodulated broadcasting signals with at least one method among MIMO, MISO, and SISO; and selectively decoding a plurality of PLP's, which are included in the transmission frame, using signaling information included in the transmission frame. In particular, PSI/SI such as PAT/PMT can be transmitted through an arbitrary PLP among the plurality of PLP's; and in the transmitter, an arbitrary PLP, which transmits the PAT/PMP, can be decoded first to enable a search of all PLP's that transmit components included in a single broadcasting service, and a plurality of PLP's can be decoded selectively.

公开(公告)号：US20180006766A1

公开(公告)日：2018-01-04

申请号：US15706441

申请日：2017-09-15

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Ko ,  Seoyoung Baek ,  Sangchul Moon

IPC: H04L1/00 ,  H04N21/2343 ,  H04L1/06 ,  H04L5/00 ,  H04H20/71 ,  H04N21/236 ,  H04L27/26

CPC classification number: H04L1/0041 ,  H04H20/71 ,  H04L1/004 ,  H04L1/007 ,  H04L1/0071 ,  H04L1/0618 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0091 ,  H04L27/2602 ,  H04L27/2605 ,  H04L27/2613 ,  H04N21/234327 ,  H04N21/23614

Abstract: Disclosed are a broadcast signal transmitter, a broadcast signal receiver, and a method for transceiving a broadcast signal in the broadcast signal transmitter/receiver. A method for transmitting a broadcast signal comprises the following steps: signaling in-band signaling information to at least one of a service component physical layer pipe (PLP) including at least one service component of a broadcast service, a first information PLP including first service information applied to one broadcast service and a second information PLP including second service information applied commonly to a variety of broadcast services; performing the FEC encoding on data included in each PLP; performing time-interleaving on the FEC encoded data; generating a transmission frame including the time-interleaved data; and modulating the transmission frame and transmitting a broadcast signal including the modulated transmission frame.

公开(公告)号：US09806852B2

公开(公告)日：2017-10-31

申请号：US15365821

申请日：2016-11-30

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Ko ,  Seoyoung Baek ,  Sangchul Moon

IPC: H04L27/00 ,  H04L1/00 ,  H04L27/26 ,  H04L5/00 ,  H04H20/71

CPC classification number: H04L1/0041 ,  H04H20/71 ,  H04L1/004 ,  H04L1/007 ,  H04L1/0071 ,  H04L1/0618 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0091 ,  H04L27/2602 ,  H04L27/2605 ,  H04L27/2613 ,  H04N21/234327 ,  H04N21/23614

Abstract: Disclosed are a broadcast signal transmitter, a broadcast signal receiver, and a method for transceiving a broadcast signal in the broadcast signal transmitter/receiver. A method for transmitting a broadcast signal comprises the following steps: signaling in-band signaling information to at least one of a service component physical layer pipe (PLP) including at least one service component of a broadcast service, a first information PLP including first service information applied to one broadcast service and a second information PLP including second service information applied commonly to a variety of broadcast services; performing the FEC encoding on data included in each PLP; performing time-interleaving on the FEC encoded data; generating a transmission frame including the time-interleaved data; and modulating the transmission frame and transmitting a broadcast signal including the modulated transmission frame.

公开(公告)号：US09769635B2

公开(公告)日：2017-09-19

申请号：US14542062

申请日：2014-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek Hong ,  Woosuk Ko ,  Sangchul Moon

IPC: H04W4/00 ,  H04W4/22 ,  H04L5/00

CPC classification number: H04W4/22 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0058 ,  H04L5/0023 ,  H04L5/0053 ,  H04W4/90

Abstract: Disclosed are a broadcast signal transmitting method. The method according to an embodiment of the present invention includes processing with input streams to output transmission units, wherein the transmission units carry broadcast data which carries a service or a service component, encoding the transmission units, symbol-mapping the encoded transmission units, MIMO encoding the symbol-mapped transmission units, time-interleaving the MIMO-encoded transmission units, building signal frames including the time-interleaved transmission units, modulating the built signal frames by Orthogonal Frequency Division Multiplexing, OFDM scheme, and transmitting the modulated signal frames. Herein the signal frames include a fixed mode of signal frame and a mobile mode of signal frame. Herein a signal frame in the transmitted signal frames includes a preamble part, and the preamble part includes physical signaling data for the transmission units, and wherein the physical signaling data include information on a pilot mode for the signal frame.

公开(公告)号：US09756610B2

公开(公告)日：2017-09-05

申请号：US14802216

申请日：2015-07-17

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Woosuk Ko

IPC: H04W72/00 ,  H04H20/72 ,  H04L1/00 ,  H04W28/06 ,  H04L29/06

CPC classification number: H04W72/005 ,  H04H20/72 ,  H04L1/0042 ,  H04L1/0072 ,  H04L65/4076 ,  H04L65/607 ,  H04L69/04 ,  H04L2001/0093 ,  H04W28/06 ,  H04W28/065

Abstract: Disclosed are a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in the broadcast signal transmitting and receiving apparatuses. The broadcast signal transmitting method comprises the steps of: compressing headers of data packets which are included in an Internet protocol (IP) stream identified by access information, wherein the compressed data packets include a first packet containing both static information and dynamic information in the header thereof, and a second packet containing dynamic information in the header thereof; splitting the static information from the header of the first packet and diverting the remaining part thereof into the second packet; outputting an IP stream, which includes the second packet, via a data physical layer pipe (PLP); outputting, via a common PLP, a common stream, which includes the static information of the header of the first packet split in the previous step, compression information and IP-PLP mapping information for linking the IP stream and the data PLP; generating a signal frame on the basis of the data from the data PLP and the data of the common PLP; and transmitting a broadcast signal which includes the signal frame.

公开(公告)号：US09729904B2

公开(公告)日：2017-08-08

申请号：US14202962

申请日：2014-03-10

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Woosuk Ko

IPC: G06F3/00 ,  G06F13/00 ,  H04N5/445 ,  H04N21/2362 ,  H04H20/42 ,  H04N21/61 ,  H04L1/00 ,  H04L27/26 ,  H04N21/2343 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/438 ,  H04N21/643 ,  H04B7/0413 ,  H04W28/06

CPC classification number: H04N21/2362 ,  H04B7/0413 ,  H04H20/42 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0072 ,  H04L27/2601 ,  H04L27/2626 ,  H04N21/234327 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/4382 ,  H04N21/6125 ,  H04N21/64322 ,  H04W28/06

Abstract: A transmitter and method of processing broadcast data are discussed. In one embodiment, the method includes Forward Error Correction (FEC) encoding Physical Layer Pipe (PLP) data at a first code rate; FEC encoding first signaling data at a second code rate; FEC encoding second signaling data at a third code rate; time interleaving the FEC-encoded PLP data; frequency interleaving the time-interleaved PLP data by a pair of consecutive cells; and modulating the frequency-interleaved PLP data, the FEC-encoded first signaling data, and the FEC-encoded second signaling data by an Orthogonal Frequency Division Multiplexing (OFDM) method, wherein the first signaling data include FEC type information of the second signaling data and wherein the second signaling data include FEC type information and the first code rate used by the PLP data.