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公开(公告)号：US20190305886A1
公开(公告)日：2019-10-03
申请号：US16304573
申请日：2016-05-24
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO
Abstract: A broadcast signal reception method, according to one embodiment of the present invention, may comprise the steps of: receiving a broadcast signal, demodulating the received broadcast signal by an orthogonal frequency-division multiplexing (OFDM) method, parsing at least one signal frame from the demodulated broadcast signal, convolutionally deinterleaving data in the at least one parsed signal frame, block deinterleaving the convolutionally deinterleaved data, cell deinterleaving the block deinterleaved data, and decoding the cell deinterleaved data.
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公开(公告)号：US20190289338A1
公开(公告)日：2019-09-19
申请号：US16432533
申请日：2019-06-05
Applicant: LG ELECTRONICS INC.
Inventor： Kyoungsoo MOON , Minsung KWAK , Jangwon LEE , Woosuk KO , Sungryong HONG
IPC: H04N21/235 , H04N21/61 , H04N21/2343 , H04H60/73 , H04N21/434 , H04N21/2383 , H04H60/07
Abstract: A method of generating and processing a broadcast signal, includes generating broadcast data for broadcast services; generating first signaling information providing information for discovery and acquisition of a broadcast service; generating second signaling information including service entries for the broadcast services, wherein one of the service entries includes a first service identifier for identifying the broadcast service and bootstrap information for discovering a transport session carrying the first signaling information for the broadcast service; generating physical layer signaling information; and transmitting the broadcast signal including the broadcast data, the first signaling information, the second signaling information, and the physical layer signaling information.
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公开(公告)号：US20190273956A1
公开(公告)日：2019-09-05
申请号：US16412049
申请日：2019-05-14
Applicant: LG ELECTRONICS INC.
Inventor： Jangwon LEE , Sejin OH , Kyoungsoo MOON , Woosuk KO , Sungryong HONG
IPC: H04N21/236 , H04N21/6437 , H04L29/06 , H04N21/845
Abstract: A broadcast transmitter for processing a broadcast signal is discussed. The broadcast transmitter includes a packetizer to generate transport packets based on a Layered Coding Transport (LCT) format, wherein the transport packets are used to transport at least one delivery object and signaling data; and a transmitter to transmit the broadcast signal comprising the transport packets, wherein the signaling data includes a real-time attribute which is a boolean flag that is set to true when the transport packets carry a real-time content that is comprised of the at least one delivery object, and wherein a header of at least one transport packet of the transport packets includes codepoint information for indicating a type of a payload that is carried by the at least one transport packet, transport object identifier information for identifying the at least one delivery object, and information for identifying a starting position of a fragment of the delivery object carried in the at least one transport packet.
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公开(公告)号：US20190268194A1
公开(公告)日：2019-08-29
申请号：US16399425
申请日：2019-04-30
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung KIM , Woosuk KO , Sungryong HONG
IPC: H04L27/26 , H03M13/00 , H03M13/27 , H03M13/25 , H03M13/29 , H04L12/18 , H04L1/00 , H04L5/00 , H04H60/11 , H04H20/42
Abstract: Disclosed herein is a broadcast signal receiver. The broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation module configured to perform detection and OFDM demodulation on a received broadcast signal, a frame parsing and deinterleaving module configured to parse and deinterleave the signal frame of the broadcast signal, a demapping and decoding module configured to convert the data of at least one Physical Layer Pipe (PLP) of the broadcast signal into a bit domain and to FEC-decode the PLP data, and an output processing module configured to receive the data of the at least one PLP and to output the received data in a data stream form.
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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.
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Patent Agency Ranking
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.
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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
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.
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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
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.
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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
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.
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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
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.
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