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公开(公告)号：US20230396293A1
公开(公告)日：2023-12-07
申请号：US18328166
申请日：2023-06-02
Inventor： Chan ho YOON , Young Jo KO , Kap Seok CHANG , Won Cheol CHO
CPC classification number: H04B7/04026 , H04B7/0621
Abstract: A method of a transmitting node may comprise: modulating a codeword corresponding to data to be transmitted; generating sparse space-frequency block code (SSFBC)-coded symbols by encoding the modulated codeword in an SSFBC scheme; performing precoding on the SSFBC-coded symbols for each of subbands respectively corresponding to transmit antenna groups; and transmit the precoded SSFBC-coded symbols by performing beamforming on the precoded SSFBC-coded symbols using at least one array antenna group among two or more array antenna groups.
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62.发明公开公开(公告)号：US20230284256A1
公开(公告)日：2023-09-07
申请号：US18197029
申请日：2023-05-12
Inventor： Young Jo KO , Jae Young AHN
IPC: H04W72/542 , H04B7/024 , H04L5/00 , H04W72/23 , H04B7/06 , H04W72/1273
CPC classification number: H04W72/542 , H04B7/024 , H04L5/0094 , H04L5/005 , H04L5/0035 , H04W72/23 , H04B7/0626 , H04W72/1273 , H04L5/0051
Abstract: Disclosed is a method for signaling control information for coordinated multipoint (CoMP) transmission in a wireless communication system. The control information signaling method for CoMP transmission is performed by a base station and comprises providing, through RRC signaling, a terminal with setup information on each CSI-RS resource of a CoMP measurement group which is set in the terminal; and selectively providing, through DCI, the terminal with control information which indicates mapping of the PDSCH resource element corresponding to terminal and at least either pseudo-same positionality information of CSI-RS or pseudo-same positionality information of DM-RS. Thus, control information signaling for coordinated multipoint transmission can be efficiently performed.
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公开(公告)号：US20230046967A1
公开(公告)日：2023-02-16
申请号：US17976148
申请日：2022-10-28
Inventor： Young Jo KO , Seok Ki KIM , Seung Kwon BAEK , Woo Ram SHIN , Chan Ho YOON
IPC: H04B7/06 , H04L5/00 , H04W24/10 , H04B17/336 , H04L1/00
Abstract: An operation method of a terminal may comprise receiving, from a base station, information of target transmission points targeted for a report of first channel state information (CSI) among the plurality of transmission points; receiving a first CSI-reference signal (CSI-RS) from the target transmission points; transmitting the first CSI determined based on the first CSI-RS to the base station; receiving, from the base station, information on a first transmission point determined based on the first CSI; receiving, from the first transmission point indicated by the information on the first transmission point, a second CSI-RS; receiving, from the base station, information on a requirement; and transmitting, to the base station, a second CSI including a transmission parameter for achieving the requirement.
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64.发明申请公开(公告)号：US20210385826A1
公开(公告)日：2021-12-09
申请号：US16975273
申请日：2019-05-02
Inventor： Sung Hyun MOON , Young Jo KO , Cheul Soon KIM , Seung Kwon BAEK , Woo Ram SHIN , Chan Ho YOON
Abstract: A method for transmitting and receiving signals for ultra reliable low latency communication. A method of operating a terminal includes: receiving, from a base station, first DCI including resource allocation information of a first PDSCH; performing a blind decoding operation on a PDCCH candidate when a resource region of the first PDSCH indicated by the first DCI overlaps with a resource region of the PDCCH candidate; and performing a receiving operation of a downlink channel on the basis of a result of the blind decoding operation. Therefore, the performance of a communication system can be improved.
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公开(公告)号：US20210226753A1
公开(公告)日：2021-07-22
申请号：US17225136
申请日：2021-04-08
Inventor： Hee Soo LEE , Tae Gyun NOH , Jae Young AHN , Kyoung Seok LEE , Young Jo KO
IPC: H04L5/00
Abstract: A reference signal (RS) transmission system to transmit a channel state information (CSI) RS for extraction of CSI to a relay and a macro terminal is disclosed. The base station transmits information on a sub frame containing the CSI RS to the relay or the macro terminal. The macro terminal and the relay receive the CSI RS using the information on the sub frame. The macro terminal and the relay extract the CSI using the CSI RS and transmit the extracted CSI to the base station.
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Patent Agency Ranking
公开(公告)号：US20210226730A1
公开(公告)日：2021-07-22
申请号：US17109503
申请日：2020-12-02
Inventor： Chan Ho YOON , Young Jo KO , Kap Seok CHANG
Abstract: An operation method of a first communication node includes generating a plurality of modulation symbols for information bits; determining a symbol mapping pattern based on a number Nt of antennas of the first communication node, a number NL of spatial layers multiplexed in a same frequency resource, and a number NSSF of modulation symbols belonging to one space-frequency grid; mapping the plurality of modulation symbols to a space-frequency domain based on the symbol mapping pattern; and transmitting the plurality of modulation symbols mapped to the space-frequency domain to a second communication node using the antennas.
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67.发明申请公开(公告)号：US20200220758A1
公开(公告)日：2020-07-09
申请号：US16575099
申请日：2019-09-18
Inventor： Young Jo KO , Gi Yoon PARK , Seung Kwon BAEK , Woo Ram SHIN
IPC: H04L27/26 , G06F17/14 , H04B1/7085 , H04L5/00
Abstract: An operation method of a first communication node in a communication system may comprise generating a codeword by performing coding on a data stream; generating modulation symbols by performing modulation on the codeword; performing DFT on N modulation symbols among the modulation symbols by using a plurality of DFT units; mapping output symbols of each of the plurality of DFT units to a resource; and performing IFFT on the output symbols mapped to the resource by using an IFFT unit.
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68.发明申请公开(公告)号：US20200100242A1
公开(公告)日：2020-03-26
申请号：US16695197
申请日：2019-11-26
Inventor： Bang Won SEO , Young Jo KO , Byung Jang JEONG
Abstract: Provided is a method of transmitting control information using a physical uplink shared channel (PUSCH) region in a system employing a multi-input multi-output (MIMO) antenna system in which transmission is performed through a plurality of layers. A method of transmitting a channel quality indicator (CQI)/precoding matrix indicator (PMI) using a PUSCH region in a system employing a MIMO antenna system in which transmission is performed through a plurality of layers includes encoding the CQI/PMI using one channel encoder, and transmitting the encoded CQI/PMI using some or all of the layers. Accordingly, it is possible to transmit uplink control information through a PUSCH region using a plurality of layers.
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69.发明申请公开(公告)号：US20190014547A1
公开(公告)日：2019-01-10
申请号：US16114224
申请日：2018-08-28
Inventor： Il Gyu KIM , Hyeong Geun PARK , Young Jo KO , Kapseok CHANG , Hyo Seok YI , Young Hoon KIM , Seung Chan BANG
Abstract: A method of searching a cell in a mobile station of a communication system in which a plurality of cells are grouped into a plurality of cell groups, each cell group including at least two cells, includes: detecting a primary synchronization signal and a secondary synchronization signal from a received signal; and identifying a cell based on a combination of the primary synchronization signal and the secondary synchronization signal. The secondary synchronization signal is related to the cell group to which the mobile station belongs and the primary synchronization signal is related to the cell to which the mobile station belongs within the cell group.
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公开(公告)号：US20170353985A1
公开(公告)日：2017-12-07
申请号：US15683009
申请日：2017-08-22
Inventor： Bang Won SEO , Young Jo KO , Tae Gyun NOH , Jae Young AHN
CPC classification number: H04W76/14 , H04L1/1861 , H04L5/0051 , H04L5/0053
Abstract: A method of transmitting and receiving a specific reference signal in single point transmission and multi-point transmission is disclosed. The specific reference signal transmission method includes determining specific reference signal transmission resources for at least one terminal targeted for transmission, and transmitting the specific reference signal using the determined transmission resources and notifying of information for a layer used by the terminal. The specific reference signal transmission method includes determining specific reference signal reception resources, receiving the information for the layer used by the terminal from a serving cell base station, and receiving the specific reference signal using the information for determined transmission resources and the layer.Therefore, the terminal can recognize a position and a sequence of the specific reference signal. Particularly, in the case of multi-user MIMO and cooperative scheduling, signal interference can be suppressed or removed using the specific reference signal of another terminal.
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