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公开(公告)号：US20240064792A1
公开(公告)日：2024-02-22
申请号：US18386972
申请日：2023-11-03
Inventor： Young-Jo KO , Tae-Gyun NOH , Hee-Soo LEE , Bang-Won SEO , Jae-Young AHN
CPC classification number: H04W72/541 , H04L5/005 , H04L5/0051 , H04W16/32 , H04L5/0035 , H04B7/024 , H04W72/20 , H04J11/0079 , H04W16/24
Abstract: Disclosed is a wireless communication system using multiple transmission and reception points. In a wireless communication system having a first transmission and reception point and at least one second transmission and reception point belonging to the same cell, the first transmission and reception point has a wider transmission area than the at least one second transmission and reception point, and the first transmission and reception point and the at least one second transmission and reception point generate downlink transmission signals by using the same physical layer cell ID or virtual cell IDs allocated to each terminal, and then the terminals generate uplink transmission signals by using the allocated virtual cell IDs.
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22.发明公开公开(公告)号：US20230199533A1
公开(公告)日：2023-06-22
申请号：US17564495
申请日：2021-12-29
Inventor： Wooram SHIN , Kyeongpyo KIM , Young-Jo KO , Kapseok CHANG
CPC classification number: H04W24/08 , H04B1/69 , H04L5/0048 , H04W72/042
Abstract: An operation method of a base station in a communication system may include: performing an operation for channel measurement between the base station and a terminal; determining a size of multiple spreading resource blocks configured in a second two-dimensional (2D) domain based on a result of the channel measurement; transmitting information indicating the size of the multiple spreading resource blocks to the terminal; and performing a communication procedure with the terminal based on the multiple spreading resource blocks having the size.
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23.发明公开公开(公告)号：US20230188405A1
公开(公告)日：2023-06-15
申请号：US18080909
申请日：2022-12-14
Inventor： Kapseok CHANG , Yong Sun KIM , Won Cheol CHO , Young-Jo KO
CPC classification number: H04L27/362 , H04L27/3444
Abstract: An operation method of a first communication node in a communication system may include: generating a base sequence; performing a quadrature phase shift keying (QPSK) operation on the base sequence; generating a first signal sequence by performing a rotational transform operation by a first angle on a complex plane with respect to a result of the QPSK operation; modulating the first signal sequence to generate first modulation symbols; and transmitting a first signal composed of the first modulation symbols to a second communication node, wherein each of a plurality of elements constituting the first signal sequence has a real value or a pure imaginary value.
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公开(公告)号：US20230101594A1
公开(公告)日：2023-03-30
申请号：US17563272
申请日：2021-12-28
Inventor： Keun Young KIM , Seung Chan BANG , Young-Jo KO , Kapseok CHANG , Il Gyu KIM
Abstract: A positioning method using images and radio waves may include: estimating a distance and an angle from the positioning reference node to a positioning target terminal; identifying an obstacle or reflective object in a vicinity of the positioning target terminal or on a path between the positioning target terminal and the positioning reference node by using image information on the positioning target terminal at a position estimated by the distance and the angle; estimating an incident angle or a reflection angle of a radio wave signal reflected by the reflective object identified based on the image information; and estimating a position of the positioning target terminal based on the reflection angle and the distance.
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公开(公告)号：US20190159190A1
公开(公告)日：2019-05-23
申请号：US16253260
申请日：2019-01-22
Inventor： Young-Jo KO , Hyeong-Geun PARK , Il-Gyu KIM , Kapseok CHANG , Hyoseok Yi , Young-Hoon Kim , Seung-Chan Bang
Abstract: When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement/negative acknowledgement (ACK/NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block.
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Patent Agency Ranking
公开(公告)号：US20170181152A1
公开(公告)日：2017-06-22
申请号：US15452541
申请日：2017-03-07
Inventor： Young-Jo KO , Hyeong-Geun PARK , Il-Gyu Kim , Kapseok CHANG , Hyoseok Yi , Young-Hoon Kim , Seung-Chan Bang
CPC classification number: H04W72/0406 , H04J13/0048 , H04J13/0062 , H04J13/18 , H04L1/0026 , H04L1/003 , H04L1/0031 , H04L1/1607 , H04L1/1692 , H04L1/1861 , H04L5/0017 , H04L23/02 , H04W72/0466
Abstract: When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement/negative acknowledgement (ACK/NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block.
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27.发明申请ADAPTIVE TRANSMISSION DEVICE USING LIMITED FEEDBACK INFORMATION IN A MOBILE COMMUNICATION SYSTEM, AND A METHOD THEREOF 审中-公开在移动通信系统中使用有限的反馈信息的自适应传输设备及其方法公开(公告)号：US20150163807A1
公开(公告)日：2015-06-11
申请号：US14595436
申请日：2015-01-13
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
Inventor： Young-Jo KO , Jae-Young AHN , Kwang-Soon KIM , Jung-Hyoung KWON , Keum-Chan WHANG
CPC classification number: H04W72/0453 , H04L5/006 , H04L5/023 , H04L25/0204 , H04L27/2608 , H04W72/085
Abstract: The present invention relates to an adaptive transmitting device using limited feedback information in a mobile communication system, and a method thereof. According to an exemplary embodiment of the present invention, when the base station transmits a pilot signal to the terminal, the terminal generates channel information by using the pilot signal, generates additional channel information from the channel information, and transmits the channel information and the additional channel information to the base station. The base station determines band allocation, power allocation, and modulation methods for each use by using received feedback information, and transmits modulated traffic data to the terminal according to the determined methods.
Abstract translation: 本发明涉及一种在移动通信系统中使用有限反馈信息的自适应发送装置及其方法。 根据本发明的示例性实施例，当基站向终端发送导频信号时，终端通过使用导频信号生成信道信息，从信道信息生成附加信道信息，并发送信道信息和附加信道 信道信息到基站。 基站通过使用接收到的反馈信息来确定每个使用的频带分配，功率分配和调制方法，并且根据确定的方法向终端发送调制的业务数据。
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公开(公告)号：US20250159621A1
公开(公告)日：2025-05-15
申请号：US19021702
申请日：2025-01-15
Inventor： Sung Hyun MOON , Young-Jo KO , Cheul Soon KIM , Jung Hoon LEE
IPC: H04W56/00 , H04B17/318 , H04W74/0833
Abstract: A method of a terminal may include: receiving, from a base station, at least one SSB belonging to a first layer; receiving, from the base station, at least one SSB belonging to a second layer; determining valid SSB(s) from among the at least one SSB belonging to the first layer and the at least one SSB belonging to the second layer; selecting at least one first SSB belonging to a layer having a higher priority among the first layer and the second layer from among the valid SSB(s); and reporting the selected first SSB to the base station, and using a beam used for receiving the first SSB to perform an initial access procedure for communications with the base station, wherein each SSB includes at least one of a synchronization signal or a broadcast channel.
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公开(公告)号：US20250062944A1
公开(公告)日：2025-02-20
申请号：US18721304
申请日：2022-12-21
Inventor： Kapseok CHANG , Byung Jae KWAK , Won Cheol CHO , Young-Jo KO , Yong Sun KIM
Abstract: A method by which a first communication node operates in a communication system comprises the steps of: generating a first sequence and a second sequence; generating a first signal sequence on the basis of the first sequence and the second sequence; and transmitting a first signal generated by modulating the first signal sequence, wherein even-numbered elements and odd numbered elements of the first signal sequence are classified into a first element group and a second element group, respectively, and any one of the first sequence and the second sequence can be mapped in ascending order in the first element group, and the other one thereof can be mapped in descending order in the second element group.
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公开(公告)号：US20240097770A1
公开(公告)日：2024-03-21
申请号：US18091027
申请日：2022-12-29
Inventor： Jung Ho MYUNG , Young-Jo KO , Keun Young KIM , Kapseok CHANG
IPC: H04B7/08
CPC classification number: H04B7/08
Abstract: An operation method of a first access point (AP) may comprise: transmitting, to a control device of a base station, channel information between the first AP and one or more user equipments (UEs) connected to the base station; receiving allocation information determined by the control device; identifying an entity to decode a uplink (UL) signal of each of the one or more UEs from among a plurality of APs and the control device constituting the base station, based on the allocation information; directly performing a decoding operation on a first UL signal received from a first UE among the one or more UEs, based on the allocation information; and transmitting, to the control device, a first report related to a result of the decoding operation on the first UL signal.
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