公开(公告)号：US20170353970A1

公开(公告)日：2017-12-07

申请号：US15686073

申请日：2017-08-24

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W72/12 ,  H04W72/04 ,  H04W84/12 ,  H04W74/04

CPC classification number: H04W72/1289 ,  H04W72/0446 ,  H04W74/04 ,  H04W84/12

Abstract: An apparatus and a method of controlling slot-based channel access by an access point (AP) to manage a network in a wireless local area network (WLAN) environment and a slot-based channel access terminal are disclosed. A slot-based channel access control apparatus of a WLAN system according to an exemplary embodiment determines one of each terminal and a group of terminals as a slot allocation target, allocates a slot defined in a beacon interval to the determined terminal or group to distinguish channel access time, and transmits a beacon including information on the allocated slot.

公开(公告)号：US20170257872A1

公开(公告)日：2017-09-07

申请号：US15603260

申请日：2017-05-23

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung LEE ,  Min Ho CHEONG ,  Hyoung Jin KWON ,  Sok Kyu LEE ,  Wun Cheol JEONG ,  Chang Sub SHIN ,  Cheol Sig PYO

IPC: H04W72/08 ,  H04W72/04 ,  H04W64/00

CPC classification number: H04W72/082 ,  H04B7/15507 ,  H04W52/0203 ,  H04W64/003 ,  H04W72/0446 ,  H04W74/006 ,  H04W84/047 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146

Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.

公开(公告)号：US20170215229A1

公开(公告)日：2017-07-27

申请号：US15482477

申请日：2017-04-07

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W92/20 ,  H04W8/00 ,  H04W4/00 ,  H04W28/06 ,  H04L29/08 ,  H04W84/12 ,  H04L12/12 ,  H04W48/16 ,  H04L29/12

CPC classification number: H04W48/16 ,  H04L12/12 ,  H04L61/1541 ,  H04L67/16 ,  H04W4/80 ,  H04W8/005 ,  H04W28/065 ,  H04W48/14 ,  H04W84/12 ,  H04W92/20

Abstract: A scanning method performed by a station (STA) in a wireless LAN system is provided. The method comprises: transmitting a probe request frame; and receiving a short probe response frame from an access point (AP) as a response to the probe request frame. The short probe response frame includes service set ID (SSID) information or compressed SSID information of the AP.

公开(公告)号：US20160309483A1

公开(公告)日：2016-10-20

申请号：US15131860

申请日：2016-04-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W72/08 ,  H04W4/06 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04W72/082 ,  H04J11/0023 ,  H04L5/006 ,  H04W4/06 ,  H04W72/0413

Abstract: An interference alignment (AI) method for an uplink in a wireless local area network (WLAN) system, an access point (AP) and a user terminal for performing the same, and the AP that may select an interference space, broadcast information on the selected interference space, select a user terminal to be assigned a data transmission opportunity based on leakage of interference (LIF) information received from at least one user terminal, receive data from the user terminal, and decode the data using a minimum square error (MMSE) based receiving filter.

Abstract translation: 用于无线局域网（WLAN）系统中的上行链路的干扰对准（AI）方法，用于执行无线局域网（WLAN）系统的接入点（AP）和用户终端）以及可以选择干扰空间的AP，关于 选择的干扰空间，基于从至少一个用户终端接收的干扰（LIF）信息的泄漏，从用户终端接收数据，并使用最小平方误差（MMSE）对数据进行解码，选择要分配数据传输机会的用户终端 ）接收滤波器。

公开(公告)号：US20160309456A1

公开(公告)日：2016-10-20

申请号：US15132127

申请日：2016-04-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W72/04 ,  H04B7/04 ,  H04W52/24

CPC classification number: H04B7/0452 ,  H04W16/28 ,  H04W52/241 ,  H04W72/082 ,  H04W84/12

Abstract: An interference alignment (IA) method for a downlink in a wireless local area network (WLAN) system, an access point (AP) and a user terminal for performing the same are provided, wherein the AP may broadcast beam information on randomly selected beams and calculate an leakage of interference (LIF) based on the beam information received from the AP, the user terminal may generate feedback information including LIF information and transmit the feedback information to the AP, and the AP may determine a transmission power term with respect to each beam based on the feedback information received from the user terminal and transmit data to the user terminal based on the determined transmission power term.

Abstract translation: 提供了一种用于无线局域网（WLAN）系统中的下行链路的干扰对准（IA）方法，用于执行该无线局域网（WLAN）系统的接入点（AP）和用户终端），其中，AP可以在随机选择的波束上广播波束信息， 基于从AP接收到的波束信息计算出干扰泄漏（LIF），用户终端可以生成包括LIF信息的反馈信息并将反馈信息发送到AP，并且AP可以确定关于每个 基于从用户终端接收到的反馈信息，并基于确定的传输功率项向用户终端发送数据。

公开(公告)号：US20160308561A1

公开(公告)日：2016-10-20

申请号：US15132034

申请日：2016-04-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04B1/04 ,  H04W72/08 ,  H04W4/08

CPC classification number: H04B1/0475 ,  H04W4/08 ,  H04W72/082

Abstract: Disclosed is a method of providing a communication service and an apparatus for performing the method, in which the method includes determining a first user group including a selected user terminal to which a communication service is provided by a communication device belonging to a cell coverage area, determining a second user group including at least one candidate user terminal selected from a plurality of candidate user terminals based on interference information affecting the selected user terminal, and determining the first user group and the second user group to be a final user group to which the communication service is to be provided by the communication device.

Abstract translation: 公开了一种提供通信服务的方法和用于执行该方法的装置，其中该方法包括：确定包括由属于小区覆盖区域的通信设备提供通信服务的所选用户终端的第一用户组， 基于影响所选择的用户终端的干扰信息，确定包括从多个候选用户终端中选择的至少一个候选用户终端的第二用户组，以及将所述第一用户组和所述第二用户组确定为最终用户组， 通信设备将提供通信服务。

公开(公告)号：US20160249383A1

公开(公告)日：2016-08-25

申请号：US15021524

申请日：2014-09-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W74/04 ,  H04W72/04

CPC classification number: H04W74/04 ,  H04L1/00 ,  H04W28/06 ,  H04W52/0216 ,  H04W52/0229 ,  H04W72/04 ,  H04W72/042 ,  H04W74/00 ,  H04W84/12 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146

Abstract: Disclosed are a method and apparatus for an access point (AP) to control channel access of a station in a wireless local area network (WLAN) system. An AP according to one embodiment may determine resource allocation information for protecting a resource for a station not referring to traffic indication map (TIM) information. The determined resource allocation information is transmitted to a station referring to the TIM information, and the station referring to the TIM information does not conduct channel access in a time period specified in the resource allocation information.

Abstract translation: 公开了一种用于接入点（AP）控制无线局域网（WLAN）系统中的站的信道接入的方法和装置。 根据一个实施例的AP可以确定用于保护用于站的资源的资源分配信息，而不参考业务指示映射（TIM）信息。 所确定的资源分配信息参考TIM信息被发送到站，并且参考TIM信息的站不在资源分配信息中指定的时间段内进行信道访问。

公开(公告)号：US20160165586A1

公开(公告)日：2016-06-09

申请号：US15043072

申请日：2016-02-12

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hee Jung YU ,  Sok Kyu LEE ,  Hee Soo LEE ,  Min Ho CHEONG

IPC: H04W72/04 ,  H04W4/00

CPC classification number: H04W72/048 ,  H04L41/0873 ,  H04W4/50 ,  H04W16/14 ,  H04W72/0453 ,  H04W88/10 ,  Y04S40/162

Abstract: Disclosed are an access point apparatus for configuring a next generation wireless communication and a method of operating the access point apparatus. The access point apparatus for configuring the next generation wireless communication may include a verification unit to verify a first available band associated with at least one of a first band and a second band; and a configuration unit to configure a backbone network with another access point apparatus positioned within a predetermined distance, through the verified first available band.

Abstract translation: 公开了一种用于配置下一代无线通信的接入点设备和操作接入点设备的方法。 用于配置下一代无线通信的接入点装置可以包括验证单元，用于验证与第一频带和第二频带中的至少一个相关联的第一可用频带; 以及配置单元，用于通过经验证的第一可用频带，将定位在预定距离内的另一个接入点设备配置为骨干网。

公开(公告)号：US20160156496A1

公开(公告)日：2016-06-02

申请号：US15017035

申请日：2016-02-05

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 ,  H04W72/04 ,  H04W84/12

CPC classification number: H04L27/2637 ,  H04B7/12 ,  H04L1/004 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2617 ,  H04L27/2621 ,  H04L27/2627 ,  H04W52/0209 ,  H04W72/0453 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/142

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：US20140293911A1

公开(公告)日：2014-10-02

申请号：US14242197

申请日：2014-04-01

Applicant: Electronics and Telecommunications Research Institute

Inventor： Min Ho CHEONG ,  Sok Kyu LEE

IPC: H04L5/00

CPC classification number: H04L27/2656 ,  H04L27/2657 ,  H04L27/2673 ,  H04W56/0015 ,  H04W56/0035

Abstract: Provided is a method of sharing channel information performed by an access point (AP), the method including setting a master AP among adjacent APs, adjusting time stamp information on a point in time for communication based on a beacon received from the adjacent APs, estimating a carrier frequency offset (CFO) using a packet received from the master AP, and readjusting the time stamp information based on the estimated CFO.

Abstract translation: 提供了一种共享由接入点（AP）执行的信道信息的方法，所述方法包括：在相邻AP之间设置主AP，基于从相邻AP接收到的信标，调整用于通信的时间点上的时间戳信息，估计 使用从主AP接收的分组的载波频率偏移（CFO），并且基于估计的CFO重新调整时间戳信息。