-
1.发明申请公开(公告)号：US20200304246A1
公开(公告)日：2020-09-24
申请号：US16823322
申请日：2020-03-18
Inventor： Seok-Ki AHN , Sung-Ik PARK , Jae-Hyun SEO
Abstract: Disclosed herein are a method of retransmission for downlink transmission of a wireless communication system and an apparatus for the same. The method includes receiving multiple feedback signals corresponding to a transmission failure from multiple terminals corresponding to point-to-multipoint transmission, generating retransmission data in response to the multiple feedback signals, and transmitting the retransmission data to the multiple terminals.
-
Patent Agency Ranking
2.发明公开公开(公告)号：US20240214112A1
公开(公告)日：2024-06-27
申请号：US18540654
申请日：2023-12-14
Inventor： Jae-Hyun SEO , Hoi-Yoon JUNG , Sung-Ik PARK , Bo-Mi LIM , Dong-Joon CHOI , Nam-Ho HUR
CPC classification number: H04L1/0041 , H04L1/0071 , H04L5/0053 , H04L2001/0093
Abstract: Disclosed herein are a method for processing a retransmission broadcast signal using multi-antenna signals based on channel bonding and an apparatus for the same. The apparatus includes a stream multiplexing (muxing) unit for generating a single piece of input data from signals received from two or more reception channels, an input formatting unit for converting the input data into a Physical Layer Pipe (PLP), a stream partitioning unit for segmenting the physical layer pipe into pieces of data to be respectively transmitted over two or more transmission channels, and two or more retransmission-signal-processing units for retransmitting the pieces of data to the respective transmission channels corresponding thereto through multiple transmission antennas.
-
公开(公告)号：US20180351609A1
公开(公告)日：2018-12-06
申请号：US15993023
申请日：2018-05-30
Inventor： Sung-Ik PARK , Bo-Mi LIM , Sun-Hyoung KWON , Heung-Mook KIM , Jae-Hyun SEO , Jae-Young LEE , Nam-Ho HUR , Hoi-Yoon JUNG , David GOMEZ-BARQUERO , Eduardo GARRO
IPC: H04B7/0413 , H04L25/02
CPC classification number: H04B7/0413 , H04L1/00 , H04L1/0668 , H04L25/0204 , H04L25/022 , H04L25/0224 , H04L25/03343 , H04L25/03891
Abstract: Disclosed herein are a method for transceiving a broadcast signal using a combination of multiple antenna schemes with layered division multiplexing and an apparatus for the method. A method for receiving a broadcast signal includes generating received signals based on signals that are received through multiple receiving antennas, estimating channels between the receiving antennas and transmitting antennas, restoring a core-layer signal corresponding to the received signals, and restoring an enhanced-layer signal based on a cancellation process, wherein the cancellation process corresponds to the core-layer signal and is separately performed for the individual receiving antennas.
-
4.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.
-
公开(公告)号：US20210306119A1
公开(公告)日：2021-09-30
申请号：US17214482
申请日：2021-03-26
Inventor： Jae-Hyun SEO , Sung-Ik PARK , Seok-Ki AHN , Jae-Young LEE
Abstract: Disclosed herein are a transmission apparatus, a reception apparatus and a transmission/reception method for an OFDM-based broadcasting system. The transmission apparatus includes multiple transmission frame generation units for generating multiple transmission frames from transmission data, an extended frame combination unit for generating an extended frame by combining the multiple transmission frames so that the multiple transmission frames are adjacent to each other based on a frequency, an extended OFDM modulation unit for modulating the extended frame and then generating a modulated signal, and a frequency up-conversion unit for performing frequency up-conversion on the modulated signal and generating a transmission signal, wherein each of the transmission frame generation units includes a data input unit for receiving transmission data, a channel-encoding unit for encoding the received transmission data and generating encoded data, and a framing and interleaving unit for framing and interleaving the encoded data and generating a transmission frame.
-
公开(公告)号：US20170324498A1
公开(公告)日：2017-11-09
申请号：US15447579
申请日：2017-03-02
Inventor： Jae-Hyun SEO , Young-Min KIM , Heung-Mook KIM
IPC: H04J3/22
CPC classification number: H04B7/14 , H04B7/00 , H04B7/15528 , H04H20/02 , H04H20/42 , H04J11/004 , H04J15/00 , H04L27/3488
Abstract: Disclosed herein are a Layered Division Multiplexing (LDM)-based broadcast relay apparatus and method. The LDM-based broadcast relay apparatus includes a first layer symbol generation unit for outputting a first layer broadcast signal based on a received Layered Division Multiplexed (LDM) broadcast signal, a data buffer unit for storing the received LDM broadcast signal for a delay time before the first layer broadcast signal is output, and a second layer symbol generation unit for outputting a second layer broadcast signal by eliminating the first layer broadcast signal from the stored broadcast signal.
-
-
-
-
-
Search Results
6
records
(took 0.015 seconds)
