公开(公告)号：US20180145860A1

公开(公告)日：2018-05-24

申请号：US15874827

申请日：2018-01-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04L27/26 ,  H04W52/02 ,  H04B7/12 ,  H04L1/00 ,  H04L1/08 ,  H04W84/12 ,  H04W72/04 ,  H04L5/00

Abstract: An apparatus and method for orthogonal frequency division multiplexing (OFDM) transmission in a wireless local area network (WLAN) system is disclosed, in which the apparatus for OFDM transmission in the WLAN system includes a signal repetition unit to repeat an encoded signal based on a block unit and output the encoded signal and a repeated signal, an interleaver to interleave the encoded signal and the repeated signal and output an interleaved signal, a modulator to modulate the interleaved signal and output modulated symbols, and a phase rotation unit to phase shift the modulated symbols.

公开(公告)号：US20180084496A1

公开(公告)日：2018-03-22

申请号：US15823109

申请日：2017-11-27

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W52/02

CPC classification number: H04W52/0216 ,  H04W74/006 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/23

Abstract: An operating mode change method of a wireless local area network (WLAN) system according to an exemplary embodiment includes transmitting, by a station (STA) to an access point (AP), an operating mode change request frame comprising at least one of information on a change of a traffic indication map (TIM) mode, a request for a change of a power save parameter, and information on a change of a service type of the STA, receiving, from the AP, an operating mode change response frame comprising at least one of a TIM mode allowed by the AP, a reallocated association identification (AID), and information on a changed power save parameter, and performing at least one of the change of the TIM mode and the change of the power save parameter based on the information included in the operating mode change

公开(公告)号：US20160366057A1

公开(公告)日：2016-12-15

申请号：US15247479

申请日：2016-08-25

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jee Yon CHOI ,  Jae Woo PARK ,  Hyoung Jin KWON ,  Sok Kyu LEE

IPC: H04L12/741 ,  H04W72/04 ,  H04B7/06 ,  H04B7/04

CPC classification number: H04L45/74 ,  H04B7/0452 ,  H04B7/0617 ,  H04W72/0413 ,  H04W88/08

Abstract: Provided is a method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication in an access point (AP), the method including transmitting, to each of a plurality of stations (STAs), an uplink multi-user request (UL MU request) frame requesting transmission of a data frame, and receiving, from each of the plurality of STAs, the data frame during an identical period of time based on an identical reception intensity, wherein the UL MU request frame includes at least one of information on a transmission time of the data frame and information on a reception intensity of the data frame in the AP.

公开(公告)号：US20150373589A1

公开(公告)日：2015-12-24

申请号：US14841613

申请日：2015-08-31

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyoung Jin KWON ,  Yong Sun KIM ,  Kap Seok CHANG ,  Seung Eun HONG ,  Sung Geun JIN ,  Woo Yong LEE ,  Hyun Kyu CHUNG

IPC: H04W28/26 ,  H04W40/22

CPC classification number: H04W28/26 ,  H04B7/15542 ,  H04B7/15557 ,  H04B7/15592 ,  H04W16/26 ,  H04W28/16 ,  H04W40/22 ,  H04W72/0406 ,  H04W84/047 ,  H04W84/12 ,  H04W88/04

Abstract: A communication method of a coordinator in a wireless networks system that uses a reservation-based media access control (MAC). The communication method includes receiving, from a source device, a frame that requests a reservation resource for a relay device, to enable a frame that the source device transmits to a destination device to be relayed via the relay device, and allocating the reservation resource for the relay device, in response to the request.

Abstract translation: 一种使用基于预约的媒体访问控制（MAC）的无线网络系统中的协调器的通信方法。 该通信方法包括：从源设备接收请求中继设备的预留资源的帧，使得源设备向目的地设备发送的帧经由中继设备进行中继，并将预留资源分配给 中继设备，响应请求。

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。

公开(公告)号：US20140355510A1

公开(公告)日：2014-12-04

申请号：US14463703

申请日：2014-08-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung-Geun JIN ,  Kapseok CHANG ,  Hyoung Jin KWON ,  Woo Yong LEE ,  Hyun Kyu CHUNG

IPC: H04W72/04 ,  H04L29/06

CPC classification number: H04W56/0065 ,  H04L65/4076 ,  H04W4/80 ,  H04W56/0075 ,  H04W72/0446 ,  H04W74/00 ,  H04W84/12 ,  H04W88/02

Abstract: Disclosed is a method for adjusting a transmission time point of at least one second terminal in a wireless network by a first terminal. In the method for adjusting a transmission time point of a terminal, a transmission time point of the second terminal is set, a first frame including information regarding the transmission time point is transmitted to the second terminal, a first response frame transmitted according to the transmission time point from the second terminal is received, and the transmission time point is adjusted according to an arrival time of the first response frame.

Abstract translation: 公开了一种用于通过第一终端来调整无线网络中的至少一个第二终端的传输时间点的方法。 在调整终端的发送时刻的方法中，设定第二终端的发送时刻，将与发送时刻有关的信息的第一帧发送到第二终端，根据发送发送的第一应答帧 接收来自第二终端的时间点，并且根据第一响应帧的到达时间来调整发送时间点。

公开(公告)号：US20140321357A1

公开(公告)日：2014-10-30

申请号：US14329623

申请日：2014-07-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyoung Jin KWON ,  Jin Kyeong KIM ,  Yong Sun KIM ,  Kyeongpyo KIM ,  Woo Yong LEE

IPC: H04W40/22

CPC classification number: H04W40/22 ,  H04B7/2606 ,  H04L45/00 ,  H04L45/22 ,  H04W40/02

Abstract: A communication method including setting a direct route to a station, the station transmitting an information element in which a relay support capability field is set to 1, setting a relay route to a relay device, the relay device transmitting an information element in which a relay capability field is set to 1, and transmitting data via at least one of the direct route or the relay route; and a communication apparatus for implementing the communication method.

Abstract translation: 一种通信方法，包括：设置到站的直接路由，所述站将中继支持能力字段设置为1的信息单元，将中继路径设置到中继设备，所述中继设备发送信息单元，其中，中继站 能力字段设置为1，并且经由直接路由或中继路由中的至少一个发送数据; 以及用于实现通信方法的通信装置。

公开(公告)号：US20140294109A1

公开(公告)日：2014-10-02

申请号：US14242129

申请日：2014-04-01

Applicant: Electronics and Telecommunications Research Institute

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

IPC: H04B1/04 ,  H04B7/04

CPC classification number: H04B7/0413 ,  H04B7/0617 ,  H04B7/0619 ,  H04W74/04 ,  H04W88/08

Abstract: A method and apparatus for opportunistic interference alignment (OIA) in single-user multiple-input multiple-output (SU-MIMO) transmission, the method including selecting an interference space, broadcasting information on the selected interference space, selecting a user terminal to be assigned a transmission opportunity for each subchannel based on leakage of interference (LIF) information when a request to send (RTS) message including the LIF information is received from at least one user terminal, and transmitting data to the selected user terminal.

Abstract translation: 一种用于单用户多输入多输出（SU-MIMO）传输中的机会干扰对准（OIA）的方法和装置，所述方法包括：选择干扰空间，在所选干扰空间上广播信息，选择用户终端 当从至少一个用户终端接收到包含LIF信息的发送请求（RTS）消息，并且向所选择的用户终端发送数据时，基于干扰（LIF）信息的泄漏为每个子信道分配传输机会。

公开(公告)号：US20140293005A1

公开(公告)日：2014-10-02

申请号：US14304032

申请日：2014-06-13

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Gwang Soon LEE ,  Kug Jin YUN ,  Hyun Jeong YIM ,  Hyoung Jin KWON ,  Kwanghee JUNG ,  Chan KIM ,  Namho HUR ,  Soo In LEE

IPC: H04N13/00

CPC classification number: H04N13/161 ,  H04N13/178 ,  H04N13/194

Abstract: Provided is a method and system of transmitting and receiving a three-dimensional (3D) broadcasting service, and more particularly, to a method and system for transmitting and receiving a reference image and a 3D auxiliary image for the 3D broadcasting service through a digital broadcasting network in real-time or in non-real time. According to the present invention, a smooth broadcasting service may be provided to terminals receiving a two-dimensional (2D) or 3D broadcast.

Abstract translation: 提供了一种发送和接收三维（3D）广播服务的方法和系统，更具体地说，涉及一种用于通过数字广播发送和接收3D广播服务的参考图像和3D辅助图像的方法和系统 网络实时或非实时。 根据本发明，可以向接收二维（2D）或3D广播的终端提供平滑广播服务。

公开(公告)号：US20140177605A1

公开(公告)日：2014-06-26

申请号：US14052526

申请日：2013-10-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W72/12

CPC classification number: H04W72/1289 ,  H04W8/186 ,  H04W52/0206 ,  H04W52/0216 ,  H04W74/006 ,  Y02D70/142

Abstract: Provided is a transmission scheduling method based on station grouping, including performing physical grouping on stations into sectors based on positions of the stations, performing logical grouping of each physical group into logical groups based on a common characteristic of the stations in each physical group, transmitting, to the stations, access scheduling information used to enable each logical group to access an access point at different time intervals, and controlling a station access based on the access scheduling information.

Abstract translation: 提供了一种基于站分组的传输调度方法，包括基于站的位置对站进行扇区的物理分组，基于每个物理组中的站的共同特征，将每个物理组的逻辑分组进行逻辑分组，发送 向所述站发送用于使每个逻辑组以不同时间间隔访问接入点的接入调度信息，以及基于所述接入调度信息来控制站接入。