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111.发明公开公开(公告)号：US20240195673A1
公开(公告)日：2024-06-13
申请号：US18582418
申请日：2024-02-20
Inventor： Sung-Ik PARK , Jae-Young Lee , Sun-Hyoung Kwon , Heung-Mook KIM , Nam-Ho Hur
CPC classification number: H04L27/2697 , H03M13/25 , H03M13/27 , H04L1/00 , H04L1/0041 , H04L1/0048 , H04L1/0061 , H04L1/0071 , H04L5/0007 , H04L2001/0098 , H04L27/2601
Abstract: An apparatus and method for multiplexing signals using layered division multiplexing are disclosed. A signal multiplexing apparatus according to an embodiment of the present invention includes a combiner configured to combine a core layer signal and an enhanced layer signal at different power levels, and a time interleaver configured to perform interleaving applied to both the core layer signal and the enhanced layer signal.
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公开(公告)号：US20240187273A1
公开(公告)日：2024-06-06
申请号：US18551978
申请日：2022-03-08
Inventor： Jae-Young LEE , Sun-Hyoung KWON , Sung-Ik PARK , Nam-Ho HUR
IPC: H04L12/18
CPC classification number: H04L12/189
Abstract: An apparatus for transmitting a broadcast signal according to an embodiment of the present invention includes a bootstrap generation unit for generating a bootstrap for signaling a system bandwidth field, corresponding to a system bandwidth for a post-bootstrap, and a baseband sampling rate coefficient; a preamble generation unit for generating a preamble located immediately following the bootstrap in a broadcast signal frame; and a payload generation unit for generating one or more subframes located immediately following the preamble in the broadcast signal frame. Here, the preamble may include L1 signaling data, and the L1 signaling data may include a reduced carrier coefficient.
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113.发明公开公开(公告)号：US20240032071A1
公开(公告)日：2024-01-25
申请号：US18297523
申请日：2023-04-07
Inventor： Seok-Ki AHN , Sung-Ik PARK , Sun-Hyoung KWON , Sung-Jun AHN , Jung-Sun UM , Hoi-Yoon JUNG
CPC classification number: H04W72/30 , H04W72/12 , H04L12/189
Abstract: Disclosed herein is a method for time-division transmission of heterogeneous physical-layer signals. The method may include setting time-division-related information and alternately transmitting heterogeneous physical-layer signals to a terminal over the same frequency resource based on the time-division-related information.
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114.发明公开公开(公告)号：US20240022462A1
公开(公告)日：2024-01-18
申请号：US18355987
申请日：2023-07-20
Inventor： Jae-Young LEE , Sung-Ik PARK , Sun-Hyoung KWON , Heung-Mook KIM , Nam-Ho HUR
IPC: H04L27/26 , H04J11/00 , H04L1/00 , H04L27/34 , H04W52/34 , H04L65/611 , H04L5/22 , H04W52/04 , H04W72/0446
CPC classification number: H04L27/2613 , H04L27/26 , H04J11/004 , H04L1/0071 , H04L27/2602 , H04L27/34 , H04W52/346 , H04L65/611 , H04L1/0063 , H04L5/22 , H04W52/04 , H04W72/0446 , Y02D30/70 , H04L27/26025 , H04L27/26136
Abstract: An apparatus and method for generating broadcast signal frame using layered division multiplexing are disclosed. The apparatus includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a bootstrap and a preamble using the time-interleaved signal.
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115.发明公开公开(公告)号：US20230388399A1
公开(公告)日：2023-11-30
申请号：US18450004
申请日：2023-08-15
Inventor： Jae-Young LEE , Heung-Mook KIM , Sung-Ik PARK , Sun-Hyoung KWON
IPC: H04L69/324 , H04L1/00 , H04L5/00 , H04L69/323
CPC classification number: H04L69/324 , H04L1/0041 , H04L1/005 , H04L1/0057 , H04L1/0058 , H04L1/007 , H04L1/0071 , H04L5/0044 , H04L69/323 , Y02D30/70 , H04H60/07
Abstract: An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling time interleaver information shared by the core layer signal and the enhanced layer signal, using the time-interleaved signal.
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Patent Agency Ranking
116.发明公开公开(公告)号：US20230344449A1
公开(公告)日：2023-10-26
申请号：US18338081
申请日：2023-06-20
Inventor： Sung-Ik PARK , Sun-Hyoung KWON , Jae-Young LEE , Heung-Mook KIM
CPC classification number: H03M13/1148 , H03M13/1105 , H03M13/1165 , H03M13/255 , H03M13/27 , H03M13/2778 , H03M13/2906 , H03M13/618 , H03M13/6362 , G06T7/162
Abstract: A zero padding apparatus and method for fixed length signaling information are disclosed. A zero padding apparatus according to an embodiment of the present invention includes a processor configured to generate a LDPC information bit string by deciding a number of groups whose all bits are to be filled with 0 using a difference between a length of the LDPC information bit string and a length of a BCH-encoded bit string, selecting the groups using a shortening pattern order to fill all the bits of the groups with 0, and filling at least a part of remaining groups, which are not filled with 0, with the BCH-encoded bit string; and memory configured to provide the LDPC information bit string to an LDPC encoder.
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117.发明公开公开(公告)号：US20230283333A1
公开(公告)日：2023-09-07
申请号：US18176556
申请日：2023-03-01
Inventor： Hoi-Yoon JUNG , Sung-Ik PARK , Jae-Hyun SEO , Bo-Mi LIM , Dong-Joon CHOI , Nam-Ho HUR , Jeong-Chang KIM
IPC: H04B7/0456 , H04L1/00
CPC classification number: H04B7/0469 , H04L1/0071
Abstract: Disclosed herein are an apparatus and method for channel bonding-based multi-antenna signal transmission in a broadcasting system. An apparatus for channel bonding-based multi-antenna signal transmission includes an input formatting unit for converting input data into a Physical Layer Pipe (PLP), a stream partitioning unit for partitioning the PLP into pieces of data to be transmitted to two or more channels, respectively, and two or more transmission units for transmitting the pieces of data resulting from partitioning to corresponding channels through multiple antennas.
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118.发明公开公开(公告)号：US20230146118A1
公开(公告)日：2023-05-11
申请号：US18049530
申请日：2022-10-25
Inventor： Hoi-Yoon JUNG , Bo-Mi LIM , Sung-Ik PARK , Hae-Chan KWON , Sung-Jun AHN , Nam-Ho HUR
IPC: H04B7/0456 , H04L1/00 , H03M13/25
CPC classification number: H04B7/0456 , H04L1/0071 , H03M13/255
Abstract: Disclosed herein are a broadcast signal transmission/reception method using multiple antennas and layered-division multiplexing and an apparatus for the same. A broadcast signal transmission apparatus includes a Multiple-Input Multiple-Output (MIMO) Bit-Interleaved Coded Modulation (BICM) unit for dividing enhanced layer data into two enhanced layer signals having different polarizations, a combination unit for generating a multiplexed signal corresponding to a first transmitting antenna by combining a core layer signal corresponding to core layer data with a first enhanced layer signal, and transmission signal generation units for generating a first transmission signal, corresponding to the multiplexed signal and transmitted through the first transmitting antenna, and a second transmission signal, corresponding to a second enhanced layer signal and transmitted through a second transmitting antenna.
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119.发明申请公开(公告)号：US20220394115A1
公开(公告)日：2022-12-08
申请号：US17882848
申请日：2022-08-08
Inventor： Jae-Young LEE , Heung-Mook KIM , Sung-Ik PARK , Sun-Hyoung KWON
IPC: H04L69/324 , H04L1/00 , H04L5/00 , H04L69/323
Abstract: An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling time interleaver information shared by the core layer signal and the enhanced layer signal, using the time-interleaved signal.
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120.发明申请公开(公告)号：US20220279513A1
公开(公告)日：2022-09-01
申请号：US17746799
申请日：2022-05-17
Inventor： Jae-Young LEE , Sung-Ik PARK , Sun-Hyoung KWON , Heung-Mook KIM , Nam-Ho HUR
IPC: H04W72/04 , H04L27/26 , H04J11/00 , H04L1/00 , H04L27/34 , H04W52/34 , H04L65/611 , H04L5/22 , H04W52/04
Abstract: An apparatus and method for generating broadcast signal frame using layered division multiplexing are disclosed. The apparatus includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a bootstrap and a preamble using the time-interleaved signal.
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