公开(公告)号：US20170155470A1

公开(公告)日：2017-06-01

申请号：US15364389

申请日：2016-11-30

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jee Yon CHOI ,  Jae Woo PARK ,  Moon Sik LEE ,  Young Hoon KIM ,  Gyung Chul SHIN ,  Jae Seung LEE ,  Hoo Sung LEE ,  Ik Jae CHUN

IPC: H04L1/00 ,  H04W72/04

CPC classification number: H04L1/0008 ,  H04B7/2612

Abstract: A frame transmission method and a wireless communication apparatus performing the same. A frame transmission method performed by a first wireless communication apparatus includes receiving subframe unit length information of a second wireless communication apparatus from the second wireless communication apparatus, determining a subframe unit length of the first wireless communication apparatus based on the received subframe unit length information, generating a plurality of subframes based on the determined subframe unit length, and transmitting a frame in which the generated subframes are aggregated to the second wireless communication apparatus, and wherein, when at least one of the subframes includes a padding, a length of the padding allows a length of the at least one of the subframes including the padding to be a multiple of a natural number of the determined subframe unit length.

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：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：US20160127096A1

公开(公告)日：2016-05-05

申请号：US14868908

申请日：2015-09-29

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: H04L5/00 ,  H04B7/04 ,  H04W72/04

CPC classification number: H04B7/0452 ,  H04B7/068 ,  H04B7/0697 ,  H04L5/0023 ,  H04L5/0028 ,  H04L5/0064 ,  H04L5/0092 ,  H04W72/0453 ,  H04W84/12

Abstract: A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus.

Abstract translation: 公开了一种无线局域网（WLAN）系统中的无线通信方法和装置。 根据一个实施例的无线通信方法可以包括生成包括HEW-SIG-A字段和HEW-SIG-B字段中的至少一个的高效Wi-Fi（HEW）帧，其包括根据 正交频分多址（OFDMA）模式，并将生成的HEW帧发送到接收装置。

公开(公告)号：US20160081088A1

公开(公告)日：2016-03-17

申请号：US14946508

申请日：2015-11-19

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung LEE ,  Sok-kyu LEE

IPC: H04W72/04

CPC classification number: H04W72/0446 ,  H04L45/00 ,  H04W8/22 ,  H04W16/32 ,  H04W84/12 ,  H04W84/18

Abstract: A method and apparatus for configuring mesh peer link and a method and apparatus for switching channel in wireless mesh network are provided. A method of configuring a mesh peer link in a wireless mesh network includes a first mesh station transmitting a mesh peering open frame to a second mesh station, and the first mesh station receiving a mesh peering confirm frame from the second mesh station in response to the mesh peering open frame, wherein the first mesh station and the second mesh station support a very high throughput (VHT), and wherein the mesh peering open frame and the mesh peering confirm frame comprise a VHT capability information element.

公开(公告)号：US20140119303A1

公开(公告)日：2014-05-01

申请号：US14067772

申请日：2013-10-30

Applicant: Electronics and Telecommunications Research Institute

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

IPC: H04W4/00

CPC classification number: H04W76/10 ,  H04W72/12 ,  H04W74/0808 ,  H04W76/15 ,  H04W84/12 ,  H04W88/08 ,  H04W92/20

Abstract: An operating method of an access point (AP) for a coexistence of basic service sets (BSSs) having different bandwidths includes detecting at least one of a first signal having a channel bandwidth of the AP and a second signal having a channel bandwidth narrower than the channel bandwidth of the AP, establishing a BSS having the channel bandwidth of the AP, based on a result of the detecting, and reporting the establishment of the BSS to an adjacent BSS.

Abstract translation: 用于具有不同带宽的基本服务集（BSS）的共存的接入点（AP）的操作方法包括：检测具有AP的信道带宽的第一信号和具有窄于该信道带宽的信道带宽的第二信号中的至少一个 AP的信道带宽，基于检测结果建立具有AP的信道带宽的BSS，并将BSS的建立报告给相邻的BSS。

公开(公告)号：US20240306100A1

公开(公告)日：2024-09-12

申请号：US18258674

申请日：2022-01-06

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hoon Dong NOH ,  Moon Sik LEE ,  Jae Woo PARK ,  Jae Seung LEE

IPC: H04W52/40 ,  H04W52/42 ,  H04W72/0446

CPC classification number: H04W52/40 ,  H04W52/42 ,  H04W72/0446

Abstract: Disclosed are a method and a device for transmission or reception of an integrated access backhaul node. An operation method of a first IAB node comprises the steps of: receiving information of a power offset from a second IAB node; deriving a first EPRE of a PDSCH transmitted by the second IAB node on the basis of the power offset; transmitting, to the second IAB node, a first message requesting adjustment of transmission power of the PDSCH; receiving, from the second IAB node, a second message including information on the adjusted transmission power of the PDSCH; and applying the adjusted transmission power to the first EPRE, so as to derive the adjusted EPRE of the PDSCH.