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    METHOD AND APPARATUS FOR ESTIMATING FREQUENCY OFFSET IN WIRELESS LOCAL AREA NETWORK (WLAN) SYSTEM
    32.
    发明申请
    METHOD AND APPARATUS FOR ESTIMATING FREQUENCY OFFSET IN WIRELESS LOCAL AREA NETWORK (WLAN) SYSTEM 审中-公开
    在无线局域网（WLAN）系统中估计频率偏移的方法和装置

    公开(公告)号：US20150189653A1

    公开(公告)日：2015-07-02

    申请号：US14581953

    申请日：2014-12-23

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Chang Wahn YU ,  Hee Soo LEE ,  Sok Kyu LEE

    IPC: H04W72/04

    CPC classification number: H04L27/2675 ,  H04L27/261 ,  H04L27/2657

    Abstract: Provided is a method and apparatus for estimating a frequency offset in a wireless local area network (WLAN), the apparatus including a field information combiner to combine a training sequence and a control field signal, and a frequency offset estimator to estimate a frequency offset based on information obtained by combining the training sequence and the control field signal.

    Abstract translation: 提供了一种用于估计无线局域网（WLAN）中的频率偏移的方法和装置，该装置包括组合训练序列和控制场信号的场信息组合器，以及用于估计基于频率偏移的频率偏移估计器 关于通过组合训练序列和控制场信号获得的信息。

    METHODS FOR CHANNEL SOUNDING AND SCHEDULING FOR INTERFERENCE ALIGNMENT IN WIRELESS LOCAL AREA NETWORK
    33.
    发明申请
    METHODS FOR CHANNEL SOUNDING AND SCHEDULING FOR INTERFERENCE ALIGNMENT IN WIRELESS LOCAL AREA NETWORK 有权
    用于无线局域网干扰对准的信道声调和调度方法

    公开(公告)号：US20150156794A1

    公开(公告)日：2015-06-04

    申请号：US14561043

    申请日：2014-12-04

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Hyoung Jin KWON ,  Sok Kyu LEE ,  Jae Seung LEE ,  Min Ho CHEONG

    IPC: H04W72/12 ,  H04L25/02

    CPC classification number: H04W72/1231 ,  H04L1/00 ,  H04L25/0224 ,  H04W74/00 ,  H04W84/12

    Abstract: Provided are channel sounding and scheduling methods for interference alignment in a wireless LAN. The sounding method includes transmitting a RTS frame, the RTS frame including an OIA candidate AP list that includes identification information of a plurality of access points, transmitting a CTS-pole frame for triggering transmission of a CTS frame to a second access point which is a first access point in the OIA candidate AP list, and receiving a CTS frame which is a response to the CTS-pole frame from the second access point. Therefore, communication performance of the wireless LAN can be improved.

    Abstract translation: 提供了用于无线LAN中的干扰对准的信道探测和调度方法。 探测方法包括发送RTS帧，RTS帧包括包括多个接入点的识别信息的OIA候选AP列表，将用于触发CTS帧传输的CTS极帧发送到第二接入点，该第二接入点是 OIA候选AP列表中的第一接入点，以及从第二接入点接收作为对CTS极帧的响应的CTS帧。 因此，可以提高无线LAN的通信性能。

    METHOD FOR TRANSMITTING DATA FRAME IN WIRELESS LOCAL AREA NETWORK AND APPARATUS FOR THE SAME
    34.
    发明申请
    METHOD FOR TRANSMITTING DATA FRAME IN WIRELESS LOCAL AREA NETWORK AND APPARATUS FOR THE SAME 审中-公开
    在无线局域网中传输数据帧的方法及其设备

    公开(公告)号：US20140334476A1

    公开(公告)日：2014-11-13

    申请号：US14444911

    申请日：2014-07-28

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Min Ho CHEONG ,  Sok Kyu LEE

    IPC: H04W28/06

    CPC classification number: H04W28/065 ,  H04L1/004 ,  H04L1/0061 ,  H04W84/12

    Abstract: A wireless device of transmitting a data frame in a WLAN is provided. The wireless device includes: a MAC unit generating a data frame; a PHY unit transmitting a wireless signal of the data frame; and a processor being operably coupled to the MAC unit and the PHY unit and controlling a set of TXVECTOR parameters. The processor is configured for: generating the data frame, the data frame including a data field having a service field and a very high throughput signal information (VHT-SIG-B); and transmitting a wireless signal of the data frame via a operating channel bandwidth. The data field is scrambled with a scrambling sequence, the scrambling sequence is generated based on a initial scrambling sequence and a generator polynomial. The service field is determined based on the set of TXVECTOR parameters, the TXVECTOR parameters including an control information for the service field.

    Abstract translation: 提供了一种在WLAN中发送数据帧的无线设备。 该无线设备包括：生成数据帧的MAC单元; PHY单元，发送数据帧的无线信号; 以及处理器可操作地耦合到MAC单元和PHY单元并且控制一组TXVECTOR参数。 处理器被配置为：生成数据帧，数据帧包括具有服务字段和非常高吞吐量信号信息（VHT-SIG-B）的数据字段; 以及经由操作信道带宽发送所述数据帧的无线信号。 数据字段用加扰序列加扰，根据初始加扰序列和生成多项式生成加扰序列。 服务字段基于TXVECTOR参数集合确定，TXVECTOR参数包括服务字段的控制信息。

    TERMINAL AND BASE STATION IN WIRELESS COMMUNICATION SYSTEM WITH MULTIPLE HIERARCHICAL CELLS AND COMMUNICATION METHOD OF TERMINAL IN WIRELESS COMMUNICATION SYSTEM WITH MULTIPLE HIERARCHICAL CELLS
    36.
    发明申请
    TERMINAL AND BASE STATION IN WIRELESS COMMUNICATION SYSTEM WITH MULTIPLE HIERARCHICAL CELLS AND COMMUNICATION METHOD OF TERMINAL IN WIRELESS COMMUNICATION SYSTEM WITH MULTIPLE HIERARCHICAL CELLS 审中-公开
    具有多个分层细胞的无线通信系统中的终端和基站和具有多个分层细胞的无线通信系统中的终端的通信方法

    公开(公告)号：US20140242998A1

    公开(公告)日：2014-08-28

    申请号：US14191313

    申请日：2014-02-26

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Don Sung OH ,  Min Ho CHEONG ,  Sok Kyu LEE ,  Seung Chan BANG

    IPC: H04W36/26

    CPC classification number: H04W36/26 ,  H04W36/04

    Abstract: Disclosed are handover and connection of a terminal and control of connection of a terminal by a base station in a communication environment including a plurality of communication cells having different ranges of communication coverage. According to an exemplary embodiment, a terminal of a wireless communication system including a plurality of hierarchical cells determines whether the terminal accesses a microcell in a macrocell as the terminal moves based on whether a control signal transmitted from a micro-base station managing the microcell is detected in a communication environment including a plurality of hierarchical cells divided according to communication coverage, determines whether the terminal connects to the microcell based on a connection criteria for the microcell, and connects to the microcell when the connection criteria for the microcell are satisfied and conducts communications using the macrocell when the connection criteria for the microcell are not satisfied.

    Abstract translation: 本发明公开了一种终端的切换和连接以及在包括具有不同通信覆盖范围的多个通信小区的通信环境中基站对基站的连接的控制。 根据示例性实施例，包括多个分层小区的无线通信系统的终端基于从管理微小区的微基站发送的控制信号是否为终端移动，确定终端是否接入宏小区中的微小区 在包括根据通信覆盖分割的多个分层小区的通信环境中检测到的，基于微小区的连接标准来确定终端是否连接到微小区，并且当满足微小区的连接标准时，连接到微小区，并进行 当微小区的连接标准不满足时使用宏小区的通信。

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