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：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：US20130315219A1

公开(公告)日：2013-11-28

申请号：US13890190

申请日：2013-05-08

Applicant: Electronics and Telecommunications Research Institute

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

IPC: H04W28/16

CPC classification number: H04W28/16 ,  H04L5/0044 ,  H04L5/0094 ,  H04L25/0224 ,  H04L25/03891 ,  H04L27/2613 ,  H04L27/2621 ,  H04W28/20

Abstract: The phase rotation relates to an apparatus and method of indicating a bandwidth in a wireless communication system. This disclosure discloses a wireless device comprising a transmission transmitting and receiving a wireless signal and a processor operating in operative connection with the transmission, wherein the processor generates a PPDU (physical protocol data unit) to which a phase rotation application is selectively applied depending on a case of bandwidth indication or a case of no bandwidth indication.

Abstract translation: 相位旋转涉及在无线通信系统中指示带宽的装置和方法。 本公开公开了一种无线设备，包括发送和接收无线信号的传输和与传输操作连接的处理器，其中处理器生成PPDU（物理协议数据单元），根据 带宽指示的情况或无带宽指示的情况。

公开(公告)号：US20130315218A1

公开(公告)日：2013-11-28

申请号：US13890188

申请日：2013-05-08

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W16/26

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的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。