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    METHOD AND APPARATUS OF SELECTING TRANSMISSION RATE IN WIRELESS TRANSMISSION SYSTEM
    13.
    发明申请
    METHOD AND APPARATUS OF SELECTING TRANSMISSION RATE IN WIRELESS TRANSMISSION SYSTEM 审中-公开
    在无线传输系统中选择传输速率的方法与装置

    公开(公告)号：US20150245359A1

    公开(公告)日：2015-08-27

    申请号：US14445439

    申请日：2014-07-29

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Igor KIM ,  Gwang Zeen KO ,  Jin Hyung OH ,  Hyun Duk KANG ,  Myung Sun SONG

    IPC: H04W72/06 ,  H04W24/10 ,  H04L1/00 ,  H04W72/08

    CPC classification number: H04L1/0003 ,  H04L1/0009 ,  H04L1/0015 ,  H04L1/0034 ,  H04W24/10 ,  H04W28/22

    Abstract: A method and apparatus of selecting a transmission rate in a wireless transmission system are provided. The method of selecting a transmission rate by a transmission rate selecting apparatus may comprise assigning a weight to each of criteria for selecting a transmission rate per service class, calculating a score for each transmission rate per service class using statistics information collected for a plurality of transmission rates based on the weight-assigned criteria, and selecting a transmission rate for a service class based on the calculated score.

    Abstract translation: 提供了一种在无线传输系统中选择传输速率的方法和装置。 由传输速率选择装置选择传输速率的方法可以包括：为每个服务等级选择传输速率的标准分配权重，使用针对多个传输收集的统计信息来计算每个业务类别的每个传输速率的得分 基于权重分配标准的费率，以及基于所计算的分数来选择服务等级的传输速率。

    METHOD FOR REMOVING SIGNAL INTERFERENCE BASED ON MULTIPLE INPUT MULTIPLE OUTPUT
    14.
    发明申请
    METHOD FOR REMOVING SIGNAL INTERFERENCE BASED ON MULTIPLE INPUT MULTIPLE OUTPUT 有权
    基于多路输入多路输出信号干扰的方法

    公开(公告)号：US20150188733A1

    公开(公告)日：2015-07-02

    申请号：US14272973

    申请日：2014-05-08

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Jinhyung OH ,  Gwangzeen KO ,  Igor KIM ,  Myung Sun SONG ,  Hyun Ho LEE ,  Myeong Jin KIM ,  Young Chai KO

    IPC: H04L25/03 ,  H04L25/02

    CPC classification number: H04L25/0391 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0626 ,  H04B7/0632 ,  H04L25/0202 ,  H04L25/021 ,  H04L25/0242 ,  H04L25/03955

    Abstract: Disclosed is a method for removing signal interference in a MIMO-based interference removing apparatus including transmitting a reference signal to at least one receiver; if channel information is estimated by the receiver, receiving the estimated channel information from the receiver as a feedback signal; and producing transmission pre-coding matrix, beam forming matrix, and weighted matrix using the received channel information. Further, the method includes transmitting information containing the transmission pre-coding matrix, the beam forming matrix, and the weighted matrix by including them in a pilot signal to the receiver, and the MIMO-based interference removing apparatus comprises at least one transmitter.

    Abstract translation: 公开了一种在基于MIMO的干扰去除装置中消除信号干扰的方法，包括：向至少一个接收机发送参考信号; 如果接收机估计信道信息，则从接收机接收所估计的信道信息作为反馈信号; 并使用所接收的信道信息产生传输预编码矩阵，波束形成矩阵和加权矩阵。 此外，该方法包括通过将包含发送预编码矩阵，波束形成矩阵和加权矩阵的信息包括在导频信号中而发送到接收机，并且基于MIMO的干扰去除装置包括至少一个发射机。

    FRAME TRANSMISSION METHOD PERFORMED IN ACCESS POINT, FRAME RECEPTION METHOD PERFORMED IN TERMINAL, AND ACCESS POINT
    15.
    发明申请
    FRAME TRANSMISSION METHOD PERFORMED IN ACCESS POINT, FRAME RECEPTION METHOD PERFORMED IN TERMINAL, AND ACCESS POINT 有权
    在接收点执行的帧传输方法，终端中执行的帧接收方法和接入点

    公开(公告)号：US20150181561A1

    公开(公告)日：2015-06-25

    申请号：US14577219

    申请日：2014-12-19

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Jin Hyung OH ,  Gwang Zeen KO ,  Hyun Duk KANG ,  Igor KIM ,  Myung Sun SONG

    IPC: H04W72/04

    CPC classification number: H04W80/02 ,  H04L1/1861 ,  H04W28/06 ,  H04W72/00 ,  H04W84/12

    Abstract: Provided are a frame transmission method performed in an access point (AP), a frame reception method performed in a terminal, and an AP. The frame transmission method performed in an AP includes acquiring a channel for transmitting a first data unit of a first terminal, when a data unit to be transmitted to at least one terminal other than the first terminal is in the AP, generating a physical layer convergence procedure (PLCP) protocol data unit (PPDU) including the first data unit and the data unit to be transmitted to the at least one terminal, and transmitting the PPDU to the first terminal and the at least one terminal. Accordingly, it is possible to improve the performance of a wireless local area network (WLAN).

    Abstract translation: 提供了在接入点（AP）中执行的帧发送方法，在终端中执行的帧接收方法和AP。 在AP中执行的帧发送方法包括：当要发送到除了第一终端之外的至少一个终端的数据单元在AP中时，获取用于发送第一终端的第一数据单元的信道，生成物理层收敛 程序（PLCP）协议数据单元（PPDU），包括要发送到至少一个终端的第一数据单元和数据单元，以及将PPDU发送到第一终端和至少一个终端。 因此，可以提高无线局域网（WLAN）的性能。

    METHOD FOR DISCOVERING NEIGHBOR NODE IN WIRELESS LOCAL AREA NETWORK
    16.
    发明申请
    METHOD FOR DISCOVERING NEIGHBOR NODE IN WIRELESS LOCAL AREA NETWORK 审中-公开
    在无线局域网中发现邻域节点的方法

    公开(公告)号：US20150139031A1

    公开(公告)日：2015-05-21

    申请号：US14548826

    申请日：2014-11-20

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Hyun Duk KANG ,  Gwang Zeen KO ,  Igor KIM ,  Myung Sun SONG ,  Jin Hyung OH

    IPC: H04W48/16 ,  H04W8/00

    CPC classification number: H04W16/10 ,  H04W84/12 ,  H04W92/20

    Abstract: Disclosed is a discovery method of neighbor node in a wireless local area network (LAN). The discovery method includes performing a scanning procedure, performing an authentication procedure with a first terminal detected through the scanning procedure, performing an association procedure with the first terminal in which the authentication procedure has been performed, acquiring, from the first terminal, a scanning result of a scanning procedure having been performed in the first terminal, and generating a first AP list based on a scanning result of a scanning procedure having been performed in the first AP and the scanning result of the scanning procedure having been performed in the first terminal Therefore, interference problems between neighbor access points (APs) may be solve.

    Abstract translation: 公开了无线局域网（LAN）中的邻居节点的发现方法。 该发现方法包括执行扫描过程，对通过扫描过程检测到的第一终端执行认证过程，对已执行认证过程的第一终端执行关联过程，从第一终端获取扫描结果 已经在第一终端中执行了扫描过程，并且基于在第一AP中执行的扫描过程的扫描结果和在第一终端中执行的扫描过程的扫描结果来生成第一AP列表。因此 可以解决邻居接入点（AP）之间的干扰问题。

    METHOD OF GROUPING STATIONS IN MULTI-TRANSMISSION
    17.
    发明申请
    METHOD OF GROUPING STATIONS IN MULTI-TRANSMISSION 审中-公开
    多传输分组方法

    公开(公告)号：US20140146736A1

    公开(公告)日：2014-05-29

    申请号：US14010760

    申请日：2013-08-27

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Igor KIM ,  Jinhyung OH ,  Gwangzeen KO ,  Myung Sun SONG

    IPC: H04W4/08

    CPC classification number: H04W4/08

    Abstract: An apparatus for grouping a plurality of stations in a multi-transmission environment includes an SNR (Signal to Noise Ratio) measuring unit configured to measure SNR values of the stations existing in the multi-transmission environment. Further, the apparatus includes a grouping unit configured to group the stations into several subgroups depending on the SNR values, wherein a leader is defined in each subgroup. Furthermore, the apparatus includes a control unit configured to determine an MCS (Modulation and Coding Scheme) intended for each subgroup and form different A-MPDU (Aggregated MAC Protocol Data Unit) for each subgroup separately to send to each subgroup in a multicast transmission.

    Abstract translation: 用于在多传输环境中对多个站进行分组的装置包括：被配置为测量存在于多传输环境中的站的SNR值的SNR（信噪比）测量单元。 此外，该设备包括分组单元，其被配置为根据SNR值将站分组成几个子组，其中在每个子组中定义了一个引导者。 此外，该装置包括：控制单元，被配置为确定针对每个子组的MCS（调制和编码方案），并且针对每个子组分别形成用于在多播传输中发送给每个子组的不同A-MPDU（聚合MAC协议数据单元）。

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