公开(公告)号：US10187885B2

公开(公告)日：2019-01-22

申请号：US15118088

申请日：2014-12-17

Applicant: LG ELECTRONICS INC.

Inventor： Suhwook Kim ,  Kiseon Ryu ,  Wookbong Lee ,  Jinsoo Choi ,  Hangyu Cho ,  Jeongki Kim ,  Giwon Park

IPC: H04W72/04 ,  H04W74/08 ,  H04L5/00 ,  H04L27/26 ,  H04W84/12

Abstract: A method and a device for transmitting a frame in a wireless LAN are disclosed. A method for transmitting a data unit in a wireless LAN can comprise the steps of: transmitting, by an AP, an RTS frame for medium protection to a plurality of STAs through a plurality of channels; receiving, by the AP, a CTS frame in response to the RTS frame from each of the plurality of STAs through a first allocation channel, wherein the first allocation channel is at least one of the plurality of channels, which is determined on the basis of the RTS frame; and transmitting, by the AP, downlink data to each of the plurality of STAs through a second allocation channel on the basis of OFDMA in overlapped time resources, wherein the second allocation channel is at least one of the plurality of channels.

公开(公告)号：US10182442B2

公开(公告)日：2019-01-15

申请号：US15566205

申请日：2016-04-25

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Hangyu Cho ,  Wookbong Lee

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00 ,  H04W84/12

Abstract: A method and a device for performing communication by using various RUs in a wireless LAN are presented. If a center resource unit located in the vicinity of a DC frequency band exists, whether the corresponding center resource unit is used can be determined according to whether a discontinuous channel allocation is applied. The center resource unit can be used as a null subcarrier for canceling the interference, which becomes a problem due to the discontinuous channel allocation. If the center resource unit is used as the null subcarrier, the center resource unit is inserted into different frequency chunks, thereby mitigating the interference that can be generated for each frequency chunk.

公开(公告)号：US10182440B2

公开(公告)日：2019-01-15

申请号：US15306744

申请日：2015-06-09

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Wookbong Lee ,  Hangyu Cho ,  Jinyoung Chun ,  Dongguk Lim

IPC: H04W72/04 ,  H04L27/26 ,  H04L5/00

Abstract: Provided are a method and an apparatus for transmitting data in a wireless LAN. A transmitter receives, from an access point (AP), allocation information about at least one subband from among a plurality of subbands, and transmits a physical layer protocol data unit (PPDU) in the at least one allocated subband. A guard area is defined on both ends of at least any one of the plurality of subbands.

公开(公告)号：US10034236B2

公开(公告)日：2018-07-24

申请号：US15116491

申请日：2014-12-11

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Wookbong Lee ,  Hangyu Cho ,  Jinyoung Chun ,  Dongguk Lim

IPC: H04W48/20 ,  H04L27/26 ,  H04W84/12

Abstract: Disclosed are a method and an apparatus for receiving a data unit. A method for receiving a data unit in a wireless local area network can comprise the steps of: an STA transmitting an association request frame to an AP, the association request frame containing PPDU format request information; and the STA receiving, from the AP, an association response frame as a response for the association request frame, the association response frame containing PPDU format determination information, wherein the PPDU format request information can comprise PPDU format information for the AP to communicate with the STA, and the PPDU format determination information can comprise information for whether the communication will be carried out on the basis of a PPDU format.

公开(公告)号：US20170195159A1

公开(公告)日：2017-07-06

申请号：US15325274

申请日：2015-06-30

Applicant: LG Electronics Inc.

Inventor： Kilbom Lee ,  Wookbong Lee ,  Jiwon Kang ,  Jinsoo Chol ,  Dongguk Lim ,  Hangyu Cho ,  Eunsung Park

IPC: H04L27/26 ,  H04L25/03 ,  H04L25/02 ,  H04L27/34 ,  H04L5/00

CPC classification number: H04L27/2675 ,  H04L5/0048 ,  H04L25/0224 ,  H04L25/03006 ,  H04L27/2613 ,  H04L27/3455

Abstract: Disclosed is a pilot sequence transmission method for transmitting additional information to a receiver by shifting a pilot signal on a frequency axis or a time axis and transmitting the shifted pilot sequence. In addition, disclosed is a pilot sequence identification method for acquiring additional information transmitted from the transmitter by analyzing the pilot sequence transmitted from a transmitter so as to calculate a shifting value.

公开(公告)号：US09485769B2

公开(公告)日：2016-11-01

申请号：US14396443

申请日：2013-04-25

Applicant: LG Electronics Inc.

Inventor： Suhwook Kim ,  Wookbong Lee ,  Jinsam Kwak

IPC: H04W72/04 ,  H04W84/12 ,  H04W16/14

CPC classification number: H04W72/0453 ,  H04W16/14 ,  H04W84/12

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and an apparatus for determining an operating channel. The method for determining the operating channel of a station (STA) in a TV whitespace (TVWS) wireless LAN system, according to one embodiment of the present invention, comprises the steps of: receiving information on an index which indicates an operating class including channel start frequency, channel spacing, and channel set parameters; and determining a main frequency of the operating channel on the basis of the parameters indicated by the index of the operating class. The main frequency of the operating channel can be determined on the basis of a correction value which is set differently according to the configuration of a basic channel unit of the operating channel.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地，涉及用于确定操作信道的方法和装置。 根据本发明的一个实施例，用于确定电视空白（TVWS）无线LAN系统中的台站（STA）的操作信道的方法包括以下步骤：接收关于指示包括频道的操作类别的索引的信息 起始频率，信道间隔和信道设置参数; 并且基于由所述操作类的索引指示的参数来确定所述操作信道的主频率。 可以基于根据操作信道的基本信道单元的配置而不同地设置的校正值来确定操作信道的主频率。

公开(公告)号：US09445434B2

公开(公告)日：2016-09-13

申请号：US14377534

申请日：2013-02-08

Applicant: LG Electronics Inc.

Inventor： Suhwook Kim ,  Jinsam Kwak ,  Wookbong Lee ,  Seunghee Han

IPC: H04W74/08 ,  H04W16/14

CPC classification number: H04W74/0808 ,  H04W16/14

Abstract: One embodiment of the present invention relates to a method for transmitting a signal by a terminal in a wireless communication system which comprises a step wherein, during a predetermined time period in one portion of the frequency bandwidths from among the frequency bandwidths of channels used by said terminal, a carrier wave sensing signal of another terminal is transmitted in which information on the frequency bandwidths of the channel is included.

Abstract translation: 本发明的一个实施例涉及一种在无线通信系统中由终端发送信号的方法，该无线通信系统包括以下步骤：在所述频带所使用的信道的频带宽度的频带宽度的一部分中的预定时间段内， 发送另一个终端的载波检测信号，其中包括关于频道的频率带宽的信息。

公开(公告)号：US20150139099A1

公开(公告)日：2015-05-21

申请号：US14401203

申请日：2013-04-01

Applicant: LG Electronics Inc.

Inventor： Wookbong Lee ,  Jinsam Kwak ,  Suhwook Kim ,  Jinsoo Choi

IPC: H04W16/14

CPC classification number: H04W16/14 ,  H04W72/0453 ,  H04W84/12

Abstract: The present invention relates to a method for setting operating channels in a white space region and to an apparatus therefor. In particular, the method for a device to set operating channels in a white space region includes the steps of: obtaining information on available TV channels from a geolocation database; and setting operating channels including multiple bandwidths in a plurality of consecutive TV channels, wherein the central frequencies of signals that are transmitted over two consecutive TV channels included in the plurality of consecutive TV channels, respectively, can be moved by as much as a first offset (m) and a second offset (n) in the direction of the center of the two consecutive TV channels, respectively.

Abstract translation: 本发明涉及一种用于设置白色空间区域中的操作信道的方法及其装置。 特别地，用于在白色空间区域中设置操作信道的设备的方法包括以下步骤：从地理位置数据库获得关于可用TV频道的信息; 以及在多个连续TV频道中设置包括多个带宽的操作信道，其中分别包括在所述多个连续TV频道中的两个连续TV频道上发送的信号的中心频率可以移动多达第一偏移量 （m）和第二偏移（n）分别在两个连续TV频道的中心方向上。

公开(公告)号：US20140219234A1

公开(公告)日：2014-08-07

申请号：US14343366

申请日：2012-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Dongcheol Kim ,  Hangyu Cho ,  Wookbong Lee

IPC: H04W52/18

CPC classification number: H04W52/18 ,  H04B7/024 ,  H04L5/0091 ,  H04W24/10 ,  H04W52/146 ,  H04W52/365

Abstract: Disclosed are a method for transmitting a power headroom report (PHR) and a terminal apparatus for same. The method for transmitting a PHR from a terminal in a network, which includes a base station and at least one cooperative node performing cooperative communication with the base station, includes a step of determining a sounding reference symbol (SRS) transmission power for transmitting SRSs in a specific serving cell, wherein the determined SRS transmission power is a value determined for the transmission of the SRSs to a plurality of nodes including a first node corresponding to the base station and the at least one cooperative node.

Abstract translation: 公开了一种用于发送功率余量报告（PHR）的方法和用于其的终端装置。 用于从包括基站和至少一个执行与基站的协作通信的至少一个协作节点的网络中的终端发送PHR的方法包括以下步骤：确定用于发送SRS的发声参考符号（SRS）发射功率 特定服务小区，其中所确定的SRS发送功率是针对SRS发送到包括与所述基站和所述至少一个协作节点对应的第一节点的多个节点确定的值。

公开(公告)号：US10917217B2

公开(公告)日：2021-02-09

申请号：US16666044

申请日：2019-10-28

Applicant: LG ELECTRONICS INC.

Inventor： Eunsung Park ,  Wookbong Lee ,  Jinsoo Choi ,  Hangyu Cho

IPC: H04L5/00 ,  H04L27/26 ,  H04L29/08 ,  H04W72/04 ,  H04W84/12

Abstract: A method for transmitting a physical protocol data unit (PPDU) of a station (STA) device in a wireless local area network (WLAN) system, includes generating a PPDU configured based on a high efficiency-short training field (HE-STF) sequence including a HE-STF field and transmitting the PPDU, wherein the HE-STF field is transmitted on a channel, wherein the HE-STF sequence is mapped to the channel per 2-tone unit, wherein, when the channel is a 20 MHz channel, the HE-STF sequence is configured to have a structure of {a M Sequence, 0, 0, 0, 0, 0, 0, 0, the M sequence}, and, when the channel is a 40 MHz channel, the HE-STF sequence is configured to have a structure of {the M sequence, 0, 0, 0, 1, 0, 0, 0, the M sequence, 0, 0, 0, 0, 0, 0, 0, the M sequence, 0, 0, 0, 1, 0, 0, 0, the M sequence}.