公开(公告)号：US10342011B2

公开(公告)日：2019-07-02

申请号：US15706159

申请日：2017-09-15

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Min Ho Cheong ,  Hyoung Jin Kwon ,  Jae Seung Lee ,  Jae Woo Park ,  Sok Kyu Lee

IPC: H04W72/04 ,  H04W56/00 ,  H04W84/12 ,  H04W74/00

Abstract: Provided is a method and apparatus for allocating resources in a wireless local area network (WLAN) system, the method including determining a restricted access bandwidth (RAB) interval based on at least a bandwidth or a partial bandwidth among a plurality of bandwidths, and setting a restricted access window (RAW) of a time domain based on the RAB interval.

公开(公告)号：US10165584B2

公开(公告)日：2018-12-25

申请号：US15025879

申请日：2014-11-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyoung Jin Kwon ,  Sok Kyu Lee ,  Jae Seung Lee ,  Min Ho Cheong

IPC: H04W72/12 ,  H04L25/02 ,  H04L5/00 ,  H04B7/0452 ,  H04L27/26 ,  H04W84/12 ,  H04B7/0417

Abstract: Disclosed are a wireless communication method, and an access point and a station which perform the wireless communication method. A wireless communication method performed by an access point according to an embodiment may include performing channel sounding on a plurality of subchannels, identifying subchannels selected by stations among the subchannels, scheduling communications between the AP and the stations based on the selected subchannels, and transmitting a data frame to the stations through the subchannels based on a scheduling result.

公开(公告)号：US10070448B2

公开(公告)日：2018-09-04

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: G08C17/00 ,  H04W72/08 ,  H04W72/04 ,  H04B7/155 ,  H04W64/00 ,  H04W52/02 ,  H04W74/00 ,  H04W84/04 ,  H04W84/12

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：US10045256B2

公开(公告)日：2018-08-07

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 ,  H04L1/00 ,  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.

公开(公告)号：US09882701B2

公开(公告)日：2018-01-30

申请号：US14561007

申请日：2014-12-04

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Seung Lee ,  Hyoung Jin Kwon ,  Min Ho Cheong ,  Sok Kyu Lee

IPC: H04L5/00 ,  H04W72/12 ,  H04W72/04 ,  H04W84/12 ,  H04W88/08 ,  H04W92/20

CPC classification number: H04L5/0073 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/0446 ,  H04W72/12 ,  H04W84/12 ,  H04W88/08 ,  H04W92/20

Abstract: A method and apparatus for allocating a channel in a wireless local area network (WLAN) is disclosed. The method includes receiving a first frame including scheduling information with respect to a first interval from a second access point, generating a second frame including resource related information required for transmission and reception during a second interval which is continuous to the first interval, and transmitting the second frame to the second access point. Accordingly, performance of the WLAN can be improved.

公开(公告)号：US09807804B2

公开(公告)日：2017-10-31

申请号：US14412669

申请日：2013-07-05

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: H04W74/08 ,  H04W84/12 ,  H04W88/12

CPC classification number: H04W74/0891 ,  H04W74/08 ,  H04W84/12 ,  H04W88/12

Abstract: Provided is slot use control apparatus and method, including an access point (AP) to control a slotted channel access of a station (STA) in a wireless local area network (WLAN) includes generating a synchronization (synch) frame including an identification value indicating an STA allocated to a slot, and broadcasting the generated synch frame when a channel is in an idle state at a start point of the slot.

公开(公告)号：US09693362B2

公开(公告)日：2017-06-27

申请号：US14648206

申请日：2013-11-29

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: G08C17/00 ,  H04W72/08 ,  H04W72/04 ,  H04B7/155 ,  H04W64/00 ,  H04W52/02 ,  H04W74/00 ,  H04W84/04 ,  H04W84/12

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：US09338660B2

公开(公告)日：2016-05-10

申请号：US13890188

申请日：2013-05-08

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Min Ho Cheong ,  Hee Jung Yu ,  Sok Kyu Lee ,  Seung Chan Bang

IPC: H04W16/26 ,  H04B7/185 ,  H04W84/12

CPC classification number: H04W16/26 ,  H04W84/12

Abstract: The present invention relates to an apparatus and method for coverage expansion in a wireless communication system. This disclosure discloses a wireless device operating in a wireless communication system, the wireless device comprising a transceiver transmitting and receiving a wireless signal and a processor operating in operative connection with the transceiver, wherein the processor sets power boosting adjustable in an RF capability range within an SIG field.

Abstract translation: 本发明涉及无线通信系统中覆盖扩展的装置和方法。 本公开公开了一种在无线通信系统中操作的无线设备，所述无线设备包括发射和接收无线信号的收发器以及与所述收发器操作连接的操作的处理器，其中所述处理器设置在RF能力范围内可调节的功率提升 SIG字段。

公开(公告)号：US20150245377A1

公开(公告)日：2015-08-27

申请号：US14431741

申请日：2013-09-30

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung Lee ,  Min Ho Cheong ,  Hyoung Jin Kwon ,  Jae Woo Park ,  Sok Kyu Lee

IPC: H04W72/12 ,  H04W40/24 ,  H04W72/08

CPC classification number: H04W40/244 ,  H04W16/28 ,  H04W48/12 ,  H04W72/044 ,  H04W84/12

Abstract: Provided is a sector discovery apparatus and method, the method including setting, by an AP in a WLAN system, an omni-beacon interval for transmitting an omnidirectional beacon and sector beacon intervals for transmitting a sector beacon with respect to one of a plurality of sectors which are spatially divided, transmitting the sector beacon to a current sector among the plurality of sectors, transmitting, to the current sector, a transmission frame indicating sectorized transmission or a transmission frame indicating omnidirectional transmission, in a sector interval between the sector beacon intervals, and receiving, from a terminal located in the current sector, a response frame indicating an association performed by receiving the transmission frame indicating the sectorized transmission.

Abstract translation: 提供了一种扇区发现装置和方法，该方法包括：通过WLAN系统中的AP设置用于发送全向信标的全向信标间隔和用于相对于多个扇区之一发送扇区信标的扇区信标间隔 将所述扇区信标发​​送到所述多个扇区中的当前扇区，在扇区信标间隔之间的扇区间隔向当前扇区发送指示扇区化传输的传输帧或指示全向传输的传输帧， 并且从位于当前扇区中的终端接收指示通过接收指示扇区化传输的传输帧来执行的关联的响应帧。

公开(公告)号：US20150173077A1

公开(公告)日：2015-06-18

申请号：US14406068

申请日：2013-06-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hee Jung Yu ,  Min Ho Cheong ,  Jae Seung Lee ,  Hyoung Jin Kwon ,  Sok Kyu Lee

IPC: H04W72/04 ,  H04W72/02 ,  H04W72/08 ,  H04L12/24

CPC classification number: H04W72/0453 ,  H04L41/0803 ,  H04W72/048 ,  H04W84/12

Abstract: Provided is an apparatus and method for communication in a wireless local area network (LAN) system supporting a multi-bandwidth in which a communication apparatus supporting a multi-bandwidth includes generating a base frame based on at least one of a first bandwidth having the lowest signal-to-noise ratio (SNR) among predetermined bandwidths and a second bandwidth that is two times greater than the first bandwidth, configuring a duplication mode frame based on the base frame, and transmitting the duplication mode frame through a plurality of bands.

Abstract translation: 提供了一种用于支持多带宽的无线局域网（LAN）系统中的通信的装置和方法，其中支持多带宽的通信装置包括基于具有最低的第一带宽的第一带宽中的至少一个生成基本帧 在预定带宽之间的信噪比（SNR）和比第一带宽大两倍的第二带宽，基于基本帧配置复制模式帧，并通过多个频带发送复制模式帧。