公开(公告)号：US10587444B2

公开(公告)日：2020-03-10

申请号：US15684194

申请日：2017-08-23

Applicant: LG ELECTRONICS INC.

Inventor： Sangchul Moon ,  Seoyoung Back ,  Woosuk Ko

IPC: H04L27/00 ,  H04L27/26 ,  H04B7/0413 ,  H04L1/00 ,  H04L5/00 ,  H04B7/06 ,  H04B7/0456 ,  H04L25/03 ,  H04W52/32 ,  H04W52/42 ,  H04L1/04

Abstract: A method for transmitting broadcast signals in a transmitter includes encoding data for Physical Layer Pipes (PLPs), mapping the encoded data onto constellations according to modulation types, multi-input multi-output (MIMO) processing the mapped data for the MIMO processing by multiplying a rotation matrix with a pair of symbols of the mapped data and applying a phase rotation matrix to the multiplied symbols, time interleaving the MIMO processed data, building frames by mapping the time interleaved data, frequency-interleaving data in the built frames, modulating the frequency-interleaved data by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, and transmitting the broadcast signals including the modulated data. The frames includes signaling information for signaling data in the frames. The signaling information includes information on a PLP identifier.

公开(公告)号：US10142153B2

公开(公告)日：2018-11-27

申请号：US15800989

申请日：2017-11-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04H20/30 ,  H04L1/00 ,  H03M13/00 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/438

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：US10111133B2

公开(公告)日：2018-10-23

申请号：US15223408

申请日：2016-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Joonhui Lee ,  Woosuk Ko

IPC: H03M13/00 ,  H04W28/06 ,  H04L29/08 ,  H04N21/2362 ,  H04N21/2389 ,  H04N21/643 ,  H04W72/00 ,  H04B7/0413 ,  H04L5/00 ,  H04L12/741 ,  H04L12/935 ,  H04L27/12 ,  H04L27/26 ,  H04L29/06 ,  H04W72/04 ,  H04H60/07 ,  H04L1/00

Abstract: Disclosed is a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in a broadcast signal transceiving apparatus. The broadcast signal transmitting method comprises the following steps: compressing the headers of data packets of an IP stream identified by IP address information, wherein the compressed data packets include a first packet, the header of which contains static field information, a second packet, the header of which contains dynamic field information, and a third packet, the header of which contains the compressed static field information and/or the compressed dynamic field information; signaling IP-PLP mapping information for mapping the IP stream and a component PLP for transmitting the IP stream, the IP stream compression information, and the header information of the first packet to L2 signaling information; and transmitting the header information of the second and third packets via the component PLP, and transmitting the L2 signaling information via a common PLP.

公开(公告)号：US10027518B2

公开(公告)日：2018-07-17

申请号：US14524624

申请日：2014-10-27

Applicant: LG Electronics Inc.

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

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04B7/0413 ,  H04L1/06 ,  H04N19/30

Abstract: According to an aspect of the present invention, a method of transmitting service data may include encoding service data, mapping the encoded service data, MIMO encoding the mapped data using a MIMO matrix, time-interleaving the MIMO encoded data, building a signal frame including and signaling data and the time-interleaved data, frequency interleaving the time-interleaved data in frequency domain, modulating the signal frame including the frequency-interleaved data by OFDM (Orthogonal Frequency Division Multiplex) scheme and transmitting the modulated signal frame.

公开(公告)号：US09800307B2

公开(公告)日：2017-10-24

申请号：US14908991

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/02 ,  H04B7/04 ,  H04N7/08 ,  H04L27/26 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04L1/00 ,  H04B7/0413 ,  H04L5/00

CPC classification number: H04B7/0478 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0063 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0091 ,  H04L27/2601 ,  H04L27/2637 ,  H04L27/2646 ,  H04N7/08 ,  H04N21/23614 ,  H04N21/2362 ,  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 includes, encoding Data Pipe, DP, data according to a code rate, wherein the encoding further includes Low-Density Parity-Check, LDPC, encoding the DP data, Bit interleaving the LDPC encoded DP data, and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.

公开(公告)号：US09794102B2

公开(公告)日：2017-10-17

申请号：US15265265

申请日：2016-09-14

Applicant: LG ELECTRONICS INC.

Inventor： Sangchul Moon ,  Seoyoung Back ,  Woosuk Ko

IPC: H04L27/26 ,  H04B7/0413 ,  H04L5/00 ,  H04B7/0456 ,  H04B7/06 ,  H04L1/00 ,  H04L25/03 ,  H04W52/32 ,  H04W52/42

CPC classification number: H04L27/2626 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/068 ,  H04B7/0697 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/04 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L25/03891 ,  H04L2001/0093 ,  H04W52/322 ,  H04W52/42

Abstract: A method for transmitting broadcast signals in a transmitter includes encoding data for Physical Layer Pipes (PLPs), mapping the encoded data onto constellations according to modulation types, multi-input multi-output (MIMO) processing the mapped data for the MIMO processing by multiplying a rotation matrix with a pair of symbols of the mapped data and applying a phase rotation matrix to the multiplied symbols, time interleaving the MIMO processed data, building frames by mapping the time interleaved data, frequency-interleaving data in the built frames, modulating the frequency-interleaved data by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, and transmitting the broadcast signals including the modulated data. The frames includes signaling information for signaling data in the frames. The signaling information includes information on a PLP identifier.

公开(公告)号：US09735994B2

公开(公告)日：2017-08-15

申请号：US15148883

申请日：2016-05-06

Applicant: LG Electronics Inc.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Joonhui Lee ,  Woosuk Ko

IPC: H04K1/10 ,  H04L27/26 ,  H04B7/10 ,  H04H60/73 ,  H04B7/0413 ,  H04W24/02 ,  H04L29/06 ,  H04W4/18 ,  H04W72/00 ,  H04L5/00 ,  H04N21/426

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04H60/73 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0023 ,  H04L5/0044 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2627 ,  H04L69/22 ,  H04N21/42607 ,  H04W4/18 ,  H04W24/02 ,  H04W72/005

Abstract: A broadcast signal receiver according to the present invention comprises: a demodulator for performing OFDM demodulation on a received broadcast signal including a frame for the delivery of a broadcast service: a frame demapper for outputting the frame, the frame including a preamble that contains first signaling information, and a plurality of link-layer-pipes (LLPs) that contain PLP data, second signaling information and third signaling information, with the PLP data including a base layer and an enhancement layer of the broadcast service; and a decoder for decoding the first signaling information, for decoding the second and third signaling information, and for selectively decoding the PLP data by using the third signaling information.

公开(公告)号：US09729375B2

公开(公告)日：2017-08-08

申请号：US15439235

申请日：2017-02-22

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/06 ,  H04L27/26 ,  H04B7/0456 ,  H04B7/08 ,  H04B7/10 ,  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：US09723340B2

公开(公告)日：2017-08-01

申请号：US15238575

申请日：2016-08-16

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Woosuk Ko

IPC: H04N7/173 ,  H04N7/16 ,  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 method for transmitting broadcast signals in a transmitter. Internet Protocol (IP) packets are input processed to output data of a plurality of Physical Layer Pipes (PLPs). The IP packets include service data for a service and service information for acquiring the service. The service information includes Electronic Service Guide (ESG) signaling information. When an ESG is delivered in a session that is included in at least one of the IP packets, the ESG signaling information includes identification information for identifying the session and IP address and port information for the ESG. Layer 1 (L1) signaling information is encoded for signaling the plurality of PLPs. A first signal frame and a second signal frame are modulated by an Orthogonal Frequency Division Multiplexing (OFDM) method. A first broadcast signal including the modulated first signal frame and a second broadcast signal including the modulated second signal frame are transmitted.

公开(公告)号：US09705722B2

公开(公告)日：2017-07-11

申请号：US15015638

申请日：2016-02-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04L27/26 ,  H04B7/0456 ,  H04B7/08 ,  H04H20/33 ,  H04B7/0413 ,  H04B7/10

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 transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals, the method comprises encoding service data, encoding signaling data, MIMO (Multiple-Input and Multiple-Output) precoding the encoded service data, building at least one signal frame including the MIMO precoded service data and the encoded signaling data, modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and transmitting the broadcast signals having the modulated data.