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：US09204466B2

公开(公告)日：2015-12-01

申请号：US13917590

申请日：2013-06-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Woo Park ,  Sok Kyu Lee

IPC: H04L12/26 ,  H04W74/08 ,  H04W72/12 ,  H04W28/02 ,  H04L12/863

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。

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。

公开(公告)号：US20150173015A1

公开(公告)日：2015-06-18

申请号：US14414087

申请日：2013-07-10

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W52/02 ,  H04W72/04 ,  H04L5/00

Abstract: A method and an apparatus for allocating a flexible transmission slot in a wireless local area network (LAN) system are disclosed. A flexible transmission slot allocation method of an access point (AP) in a wireless local area network (WLAN) system according to an exemplary embodiment includes transmitting a beacon including a traffic indication map (TIM) bit to a station, receiving a power save poll (PS-Poll) from the station in a slot implicitly allocated by the TIM bit, and transmitting an acknowledgement (ACK) including transmission slot allocation information on downlink data to the station.

Abstract translation: 公开了一种用于在无线局域网（LAN）系统中分配灵活传输时隙的方法和装置。 根据示例性实施例的无线局域网（WLAN）系统中的接入点（AP）的灵活的传输时隙分配方法包括向站发送包括业务指示映射（TIM）比特的信标，接收功率保存轮询 （PS-Poll），并且将包括关于下行链路数据的传输时隙分配信息的确认（ACK）发送到该站。

公开(公告)号：US20150173014A1

公开(公告)日：2015-06-18

申请号：US14407811

申请日：2013-06-13

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 ,  H04W28/02

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 response frame.

Abstract translation: 根据示例性实施例的无线局域网（WLAN）系统的操作模式改变方法包括由站（STA）向接入点（AP）发送操作模式改变请求帧，所述操作模式改变请求帧包括以下信息中的至少一个： 交通指示图（TIM）模式的改变，功率节省参数的改变请求以及关于STA的服务类型的变化的信息，从AP接收到包括以下的操作模式改变响应帧： 由AP允许的TIM模式中的至少一个，重新分配的关联标识（AID）和关于改变的功率节省参数的信息，以及基于以下方式执行TIM模式的改变和功率节省参数的改变中的至少一个： 包括在操作模式中的信息改变响应帧。

公开(公告)号：US20150156771A1

公开(公告)日：2015-06-04

申请号：US14412668

申请日：2013-07-05

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

CPC classification number: H04W72/0446 ,  H04W74/006 ,  H04W84/12

Abstract: Provided is an apparatus and method for supporting a plurality of basic bandwidth modes in a wireless local area network (WLAN) system supporting a multi-bandwidth, wherein a communication method of an access point (AP) in a WLAN system includes verifying an operational status of a network by an AP included in the network supporting a first bandwidth and a second bandwidth two times greater than the first bandwidth, allocating a first time slot in which a transmission of a frame with at least the first bandwidth is allowed, based on the operational status of the network, and allocating a second time slot in which a transmission of a frame with at least the second bandwidth is allowed, based on the operational status of the network.

Abstract translation: 提供了一种用于在支持多带宽的无线局域网（WLAN）系统中支持多个基本带宽模式的装置和方法，其中WLAN系统中的接入点（AP）的通信方法包括验证操作状态 由支持第一带宽的第一带宽和比第一带宽大两倍的第二带宽的AP的网络分配第一时隙，基于该第一时隙，允许具有至少第一带宽的帧的发送 基于网络的操作状态，分配其中允许具有至少第二带宽的帧的传输的第二时隙。