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    COOPERATIVE COMMUNICATION METHOD IN CELLULAR WIRELESS COMMUNICATION SYSTEM AND TERMINAL FOR PERFORMING THE METHOD
    13.
    发明申请
    COOPERATIVE COMMUNICATION METHOD IN CELLULAR WIRELESS COMMUNICATION SYSTEM AND TERMINAL FOR PERFORMING THE METHOD 审中-公开
    蜂窝无线通信系统中的协同通信方法和终端实现方法

    公开(公告)号：US20150381241A1

    公开(公告)日：2015-12-31

    申请号：US14844153

    申请日：2015-09-03

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Young-Jo KO ,  Jae Young AHN ,  Bangwon SEO

    IPC: H04B7/02 ,  H04W72/12 ,  H04B7/06

    CPC classification number: H04B7/024 ,  H04B7/0417 ,  H04B7/0626 ,  H04L5/0035 ,  H04W72/1289

    Abstract: Provided is a coordinated communication method in which a plurality of cells cooperate to perform multi-antenna transmission and reception in a cellular wireless communication system. A terminal wirelessly transmits channel state information (CSI) feedback to a serving cell and at least one coordinating cell. The serving cell and the coordinating cell perform multi-point coordinated communication using the CSI feedback. Even if the serving cell and the coordinating cell belong to different base stations, information exchange between the cells is minimized, so that a transmission delay and a traffic increment of a backhaul network can be prevented.

    Abstract translation: 提供了一种协作通信方法，其中多个小区协作以在蜂窝无线通信系统中执行多天线发送和接收。 终端向服务小区和至少一个协调小区无线地发送信道状态信息（CSI）反馈。 服务小区和协调小区使用CSI反馈进行多点协调通信。 即使服务小区和协调小区属于不同的基站，小区之间的信息交换被最小化，从而可以防止回传网络的传输延迟和业务增量。

    METHOD AND DEVICE FOR TRANSMITTING/RECEIVING WIRELESS SIGNAL IN COMMUNICATION SYSTEM
    14.
    发明申请
    METHOD AND DEVICE FOR TRANSMITTING/RECEIVING WIRELESS SIGNAL IN COMMUNICATION SYSTEM 有权

    公开(公告)号：US20250158856A1

    公开(公告)日：2025-05-15

    申请号：US18720365

    申请日：2022-12-16

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Kapseok CHANG ,  Won Cheol CHO ,  Byung Jae KWAK ,  Young-Jo KO ,  Yong Sun KIM

    IPC: H04L27/20

    Abstract: A method for operating a first communication node, in one embodiment of a communication system, comprises the steps of: generating a first binary sequence and a second binary sequence; generating, on the basis of the first and second binary sequences and a BPSK operation, a first intermediate sequence having 2N elements; generating, on the basis of an operation on the elements of the first intermediate sequence, a first signal sequence including N elements; mapping, to N subcarriers, first modulation symbols generated by modulating the first signal sequence; and transmitting a first signal including the mapped first modulation symbols, wherein the first and second binary sequences are generated on the basis of generator polynomials of which the maximum order is p+1, wherein p is a natural number and N can be a natural number having a value of (2p−1).

    BEAM MANAGEMENT METHOD USING HIERARCHICAL BEAMS, AND APPRATUS THEREFOR
    17.
    发明申请
    BEAM MANAGEMENT METHOD USING HIERARCHICAL BEAMS, AND APPRATUS THEREFOR 有权

    公开(公告)号：US20230064052A1

    公开(公告)日：2023-03-02

    申请号：US17890351

    申请日：2022-08-18

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sung Hyun MOON ,  Young-Jo KO ,  Cheul Soon KIM ,  Jung Hoon LEE

    IPC: H04W56/00 ,  H04B17/318 ,  H04W74/08

    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.

    METHOD FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEMS
    19.
    发明申请
    METHOD FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEMS 有权
    无线通信系统中发送控制信息的方法

    公开(公告)号：US20130163557A1

    公开(公告)日：2013-06-27

    申请号：US13755497

    申请日：2013-01-31

    Applicant: Electronics and Telecommunications Research Institute ,  KT Corporation

    Inventor： Young-Jo KO ,  Hyeong-Geun PARK ,  Il-Gyu KIM ,  Kapseok CHANG ,  Hyoseok YI ,  Young-Hoon KIM ,  Seung-Chan BAG

    IPC: H04W72/04

    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.

    Abstract translation: 当多个终端在无线通信系统中共享相同的资源时，并且当发送诸如确认/否定确认（ACK / NAK）信息或调度信息等控制信息时，需要有效地执行码分复用（CDM）的方法 以区分多个终端。 特别地，有必要开发一种可以根据每个单元条件选择和使用CDM的代码序列的方法。 提供了一种在无线通信系统中形成信号的方法，其中多个终端共享频率和时间资源。 该方法包括在小区中接收条件信息的操作; 根据条件信息选择具有不同长度的多个时域正交序列中的一个; 以及将所选择的时域正交序列分配给控制信号符号块。

    METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF SIGNAL FOR TIMING ESTIMATION IN COMMUNICATION SYSTEM
    20.
    发明公开
    METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF SIGNAL FOR TIMING ESTIMATION IN COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：US20240080826A1

    公开(公告)日：2024-03-07

    申请号：US18338301

    申请日：2023-06-20

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Kapseok CHANG ,  Cheul Soon KIM ,  Young-Jo KO ,  Jung Hoon LEE

    IPC: H04W72/0453

    CPC classification number: H04W72/0453

    Abstract: A method may comprise: generating first and second FA sequences corresponding to first and second FAs, respectively, based on a first sequence; mapping elements of first and second FA signals, which are respectively generated by modulating the first and second FA sequences, to first and second subcarrier groups corresponding to the first and second FAs, first base station, and first symbol; generating third and fourth FA sequences corresponding to the first and second FAs, respectively, based on a second sequence; mapping elements of third and fourth FA signals, which are respectively generated by modulating the first and second FA sequences, to third and fourth subcarrier groups corresponding to the first and second FAs, second base station, and second symbol; and transmitting a first transmission signal including the first and second FA signals, and a second transmission signal including the third and fourth FA signals.

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