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    APPARATUS AND METHOD FOR CHANNEL ACCESS
    41.
    发明申请
    APPARATUS AND METHOD FOR CHANNEL ACCESS 审中-公开

    公开(公告)号：US20190191455A1

    公开(公告)日：2019-06-20

    申请号：US16245179

    申请日：2019-01-10

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Min ho CHEONG ,  Hyoung Jin KWON ,  Jae Seung LEE ,  Jae Woo PARK ,  Sok Kyu LEE

    IPC: H04W74/04 ,  H04W48/16 ,  H04B7/0408 ,  H04W74/08 ,  H04B7/06

    Abstract: A channel access method and apparatus are disclosed. The channel access method by an access point (AP) having a sector antenna in a wireless local access network (WLAN), may include transmitting a sector beacon with respect to any one sector among a plurality of sectors, transmitting and receiving data with at least one station in any one sector during a pre-scheduled sector interval, sequentially performing transmission of the sector beacon and transmission and reception of the data with respect to remaining sectors of the plurality of sectors excluding the any one sector, transmitting an omni beacon with respect to all of the plurality of sectors, and transmitting and receiving data with respect to at least one station of the plurality of sectors during a pre-scheduled Basic Service Set (BSS) interval.

    METHOD FOR TRANSMITTING FRAME USING SELECTIVE BEAMFORMING AND APPARATUS FOR PERFORMING THE METHOD
    46.
    发明申请
    METHOD FOR TRANSMITTING FRAME USING SELECTIVE BEAMFORMING AND APPARATUS FOR PERFORMING THE METHOD 审中-公开
    使用选择性波束发射框架的方法和实现方法的装置

    公开(公告)号：US20160043787A1

    公开(公告)日：2016-02-11

    申请号：US14817259

    申请日：2015-08-04

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Yu Ro LEE ,  Jae Woo PARK ,  Jae Seung LEE ,  Jee Yon CHOI ,  Il Gyu KIM ,  Seung Chan BANG

    IPC: H04B7/04 ,  H04W72/04 ,  H04W16/28

    CPC classification number: H04W16/28 ,  H04B7/0617 ,  H04B7/0626 ,  H04W72/0453 ,  H04W72/085

    Abstract: Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.

    Abstract translation: 公开了使用选择波束成形的帧发送方法和通信装置来执行帧发送方法。 通信装置可以基于将用于通信的多个子载波分类为多个频率单位的分类信息来确定波束形成矩阵，可以将长训练场（LTF）序列映射到波束成形矩阵，并且发送波束成形训练 包括映射的LTF序列的多个（BF-T）帧可以从接收到BF-T帧的多个站接收基于BF-T帧的接收强度生成的反馈信息，并且可以 基于所述反馈信息，将频率单位分配给要发送到所述多个站的数据帧，并且使用所分配的频率单位来发送所述数据帧。 BF-T帧的接收强度可以针对每个频率单元在每个站点确定。

    COMMUNICATION APPARATUS AND DATA FRAME TRANSMISSION METHOD OF THE SAME
    48.
    发明申请
    COMMUNICATION APPARATUS AND DATA FRAME TRANSMISSION METHOD OF THE SAME 有权
    通信设备及其数据帧传输方法

    公开(公告)号：US20150358961A1

    公开(公告)日：2015-12-10

    申请号：US14734733

    申请日：2015-06-09

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jee Yon CHOI ,  Jae Woo PARK ,  Yu Ro LEE ,  Jae Seung LEE ,  IL Gyu KIM ,  Seung Chan BANG

    IPC: H04W72/04

    CPC classification number: H04W72/12 ,  H04W84/12

    Abstract: Provided is a data frame transmission method of a communication apparatus, the method including determining whether a transmission allowance condition of a data frame of the communication apparatus is satisfied when another communication apparatus occupies a channel, verifying an end time of another data frame transmitted by the other communication apparatus based on a result of the determining, and transmitting the data frame based on the verified end time.

    Abstract translation: 提供一种通信装置的数据帧发送方法，所述方法包括：当另一通信装置占用信道时，确定通信装置的数据帧的传输容许条件是否满足，验证由所述通信装置发送的另一数据帧的结束时间 基于确定结果的其他通信装置，并且基于经验证的结束时间发送数据帧。

    APPARATUS AND METHOD FOR ALLOCATING RESOURCE
    49.
    发明申请
    APPARATUS AND METHOD FOR ALLOCATING RESOURCE 审中-公开
    装置和方法分配资源

    公开(公告)号：US20150351125A1

    公开(公告)日：2015-12-03

    申请号：US14412656

    申请日：2013-07-02

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Hyoung Jin KWON ,  Jae Seung LEE ,  Min Ho CHEONG ,  Hee Jung YU ,  Jae Woo PARK ,  Sok Kyu LEE

    IPC: H04W74/00

    CPC classification number: H04W74/002 ,  H04W74/04 ,  H04W84/12

    Abstract: Provided is an apparatus and method for allocating a resource. According to an embodiment of the present invention, the method of allocating a resource in which an access point allocates a resource for communication between a first station and a second station based on a slot-based channel access scheme in a wireless local area network, the method including confirming a wakeup schedule set between the first station and the second station, and allocating the resource for communication between the first station and the second station through the slot-based channel access scheme reflecting the confirmed WS.

    Abstract translation: 提供了一种用于分配资源的装置和方法。 根据本发明的实施例，基于无线局域网中的基于时隙的信道接入方案，分配其中接入点分配用于第一站和第二站之间的通信的资源的资源的方法， 方法，包括确定在第一站和第二站之间设置的唤醒调度，以及通过反映所确认的WS的基于时隙的信道接入方案，分配用于第一站和第二站之间的通信的资源。

    METHOD AND APPARATUS OF CHANNEL ACCESS IN WIRELESS LOCAL AREA NETWORK
    50.
    发明申请
    METHOD AND APPARATUS OF CHANNEL ACCESS IN WIRELESS LOCAL AREA NETWORK 有权
    无线局域网通道访问的方法与装置

    公开(公告)号：US20130336251A1

    公开(公告)日：2013-12-19

    申请号：US13917590

    申请日：2013-06-13

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jae Woo PARK ,  Sok Kyu LEE

    IPC: H04W74/08

    CPC classification number: H04W74/0816 ,  H04L47/621 ,  H04L47/6215 ,  H04W28/0205 ,  H04W72/1242

    Abstract: A channel access method in WLAN system is provided. The method includes receiving packets transmitted from a higher protocol layer, classifying the packets to map the packets to ACs to which the packets correspond, transmitting the packets to queues corresponding to the ACs to which the packets are mapped, among a plurality of queues by ACs, independently applying a channel access function to each of the plurality of queues by ACs by avoiding a collision among the plurality of queues by ACs, transmitting a packet determined to be transmitted first, according to the application result of the channel access function. The packet includes a first frame to be transmitted to a first terminal and a second frame to be transmitted to a second terminal. The plurality of queues by ACs are queues with respect to the first frame to be transmitted to the first terminal.

    Abstract translation: 提供WLAN系统中的信道接入方式。 该方法包括接收从较高协议层发送的报文，对报文进行分类，将报文对应到报文对应的AC，将报文转发到多个队列中的AC对应的报文到AC队列中。 根据信道接入功能的应用结果，通过避免多个队列之间的冲突，通过AC独立地对每个多个队列应用信道接入功能，发送确定首先发送的分组。 分组包括要发送到第一终端的第一帧和要发送到第二终端的第二帧。 AC的多个队列是相对于要发送到第一终端的第一帧的队列。

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