公开(公告)号：US09544839B2

公开(公告)日：2017-01-10

申请号：US14617905

申请日：2015-02-09

Applicant: LG ELECTRONICS INC.

Inventor： Eun Sun Kim ,  Yong Ho Seok

IPC: H04W4/00 ,  H04W48/16 ,  H04W16/14

CPC classification number: H04W48/16 ,  H04W16/14

Abstract: A method and an apparatus for scanning existing networks in TV White Space are disclosed. For scanning existing networks at a station to operate as an unlicensed device in a regulatory domain where a licensed device and the unlicensed device are permitted to operate, the method comprises: receiving a white space map (WSM) comprising information for available channels to be used for the unlicensed device to operate a wireless local area network (WLAN) operation and maximum transmission powers allowed for each of the available channels from an enabling station, wherein the enabling station is a station determining the available channels at its location using its own geographic location identification and a regulatory database access capability; and scanning the existing networks on the available channels identified within the received WSM.

Abstract translation: 公开了一种用于扫描TV White Space中现有网络的方法和装置。 为了扫描站点处的现有网络以在许可设备和非许可设备被允许操作的调节域中作为未许可设备操作，所述方法包括：接收包括要使用的可用信道的信息的空白地图（WSM） 用于未许可的设备操作无线局域网（WLAN）操作和从启用站允许每个可用信道的最大发射功率，其中启用站是使用其自己的地理位置来确定其位置处的可用信道的站 识别和监管数据库访问能力; 并扫描在所接收的WSM内标识的可用信道上的现有网络。

公开(公告)号：US09520964B2

公开(公告)日：2016-12-13

申请号：US14993363

申请日：2016-01-12

Applicant: LG ELECTRONICS INC.

Inventor： Ill Soo Sohn ,  Yong Ho Seok ,  Kyoung Young Song ,  Dae Won Lee ,  Byeong Woo Kang

IPC: H04L1/00 ,  H04L1/06 ,  H04W24/10 ,  H04W72/04

CPC classification number: H04L1/0003 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/06 ,  H04W24/10 ,  H04W72/04

Abstract: A method and a device for reporting a modulation and coding scheme (MCS) feedback in a wireless local area network are provided. A responding station receives, from a requesting station, a requesting Physical layer Protocol Data Unit (PPDU) for requesting a MCS feedback via a plurality of spatial streams. A recommended MCS is estimated under an assumption that the requesting station will transmit at least one first spatial stream among the plurality of spatial streams used for the requesting PPDU, The responding station transmits, to the requesting station, the MCS feedback including a recommended MCS field indicating the recommended MCS and a recommended stream field indicating a number of at least one recommended spatial stream. A number of the at least one first spatial stream used for estimating the recommended MCS is equal to the number of the at least one recommended spatial stream.

Abstract translation: 提供了一种用于在无线局域网中报告调制和编码方案（MCS）反馈的方法和装置。 响应站从请求站接收用于通过多个空间流请求MCS反馈的请求物理层协议数据单元（PPDU）。 在假设请求站将在用于请求PPDU的多个空间流中发送至少一个第一空间流的假设下，估计推荐的MCS。响应站向请求站发送包括推荐MCS字段的MCS反馈 指示推荐的MCS和推荐的流字段，指示至少一个推荐的空间流的数量。 用于估计推荐MCS的至少一个第一空间流的数目等于至少一个推荐空间流的数目。

公开(公告)号：US09516676B2

公开(公告)日：2016-12-06

申请号：US15134253

申请日：2016-04-20

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok

IPC: H04W74/00 ,  H04W72/02 ,  H04W72/04 ,  H04W74/08

CPC classification number: H04W74/0808 ,  H04W8/24 ,  H04W48/16 ,  H04W72/00 ,  H04W72/02 ,  H04W72/04 ,  H04W74/00 ,  H04W74/002 ,  H04W74/006 ,  H04W74/08 ,  H04W84/12

Abstract: A method and apparatus of accessing a channel in a wireless communication system is provided. The method includes receiving a first frame including configuration information on a channel allocated from a bandwidth including a primary channel, a secondary channel and an extension channel from an access point (AP), and transmitting a second frame to the AP by using the allocated channel. The configuration information includes an extension channel offset element field that sets the extension channel as the offset of the primary channel.

公开(公告)号：US09510207B2

公开(公告)日：2016-11-29

申请号：US14307413

申请日：2014-06-17

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok ,  Eun Sun Kim

IPC: H04W16/14 ,  H04W72/04 ,  H04W74/00 ,  H04W74/08 ,  H04W84/12

CPC classification number: H04W16/14 ,  H04W72/0493 ,  H04W74/006 ,  H04W74/0808 ,  H04W84/12

Abstract: Disclosed are a method and apparatus for multi-channel operation, performed by an access point (AP), in a WLAN system, the method includes: transmitting channel assignment information to a plurality of stations (STAs), in which the channel assignment information is for assigning at least one of a first channel and a second channel to each of the plurality of STAs; transmitting channel activity information to the plurality of STAs, in which the channel activity information is for indicating an activity duration where the ΛP transmit or receive a frame through each of the first channel and the second channel; and transmitting or receiving a frame through the first channel or the second channel on the basis of the channel activity information.

Abstract translation: 公开了一种在WLAN系统中由接入点（AP）执行的多信道操作的方法和装置，所述方法包括：向多个站（STA）发送信道分配信息，其中信道分配信息是 用于将多个STA中的每一个分配至少一个第一信道和第二信道; 向所述多个STA发送频道活动信息，其中所述频道活动信息用于指示所述ΛP通过所述第一频道和所述第二频道中的每一个传送或接收帧的活动持续时间; 以及基于所述频道活动信息通过所述第一频道或所述第二频道发送或接收帧。

公开(公告)号：US09307538B2

公开(公告)日：2016-04-05

申请号：US14698605

申请日：2015-04-28

Applicant: LG Electronics Inc.

Inventor： Yu Jin Noh ,  Yong Ho Seok ,  Bong Hoe Kim ,  Dae Won Lee

IPC: H04W72/04 ,  H04W84/12 ,  H04W88/08

CPC classification number: H04W72/0453 ,  H04W40/02 ,  H04W72/02 ,  H04W72/04 ,  H04W72/0406 ,  H04W76/10 ,  H04W84/12 ,  H04W88/08

Abstract: A method and device for communicating in a wireless local area network are discussed. The method can include selecting, by a transmitting station, a transmission channel by performing a Clear Channel Assessment (CCA) and transmitting, by the transmitting station, a Physical layer Protocol Data Unit (PPDU) over the selected transmission channel to a receiving station, wherein the transmission channel includes a primary 20 MHz channel and a secondary 20 MHz channel if the secondary 20 MHz channel was idle, and wherein the transmission channel includes the primary 20 MHz channel, the secondary 20 MHz channel and a secondary 40 MHz channel if both the secondary 20 MHz channel and the secondary 40 MHz channel were idle.

Abstract translation: 讨论了在无线局域网中进行通信的方法和装置。 该方法可以包括由发射台通过执行清除信道评估（CCA）来选择传输信道，并且由发射站将所选择的传输信道上的物理层协议数据单元（PPDU）发送到接收站， 其中如果辅助20MHz信道空闲，则传输信道包括主20MHz信道和辅助20MHz信道，并且其中传输信道包括主20MHz信道，辅助20MHz信道和辅助40MHz信道，如果两者均为20MHz信道 辅助20MHz信道和辅助40MHz信道空闲。

公开(公告)号：US09301197B2

公开(公告)日：2016-03-29

申请号：US14820239

申请日：2015-08-06

Applicant: LG ELECTRONICS INC.

Inventor： Yu Jin Noh ,  Dae Won Lee ,  Yong Ho Seok

IPC: H04W4/00 ,  H04W28/06 ,  H04W84/12

CPC classification number: H04W28/065 ,  H04L5/0023 ,  H04L5/005 ,  H04L5/0085 ,  H04L27/2602 ,  H04W84/12

Abstract: A method and device for receiving a data block in a wireless communication system, the method performed by a receiver. The method includes: receiving a physical layer protocol data unit (PPDU) from a transmitter over an operating channel, the PPDU including a signal field, a Very High Throughput-Signal-A (VHT-SIG-A) field, a Very High Throughput-Signal-B (VHT-SIG-B) field and a padded data block, generating a first data block by removing zero or more physical padding bits from the padded data block in a physical layer; and generating a second data block by removing zero or more Medium Access Control (MAC) padding bits from the first data block in a MAC layer.

公开(公告)号：US09300510B2

公开(公告)日：2016-03-29

申请号：US14362370

申请日：2012-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyang Sun You ,  Yong Ho Seok ,  Jong Hyun Park

IPC: H04L27/00 ,  H04L27/26 ,  H04L1/00 ,  H04L1/06 ,  H04L1/08 ,  H04W84/12

CPC classification number: H04L27/2602 ,  H04L1/0041 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/0625 ,  H04L1/08 ,  H04L27/2628 ,  H04L27/2634 ,  H04W84/12

Abstract: A method for transmitting a data unit, performed by a transmitting station, in a wireless local area network system is provided. The method includes generating a repeated bit sequence, generating an interleaved bit sequence by interleaving the repeated bit sequence, generating at least one symbol by modulating the interleaved bit sequence, generating at least one OFDM symbol by performing IDFT (Inverse Discrete Fourier Transform) on the at least one symbol and transmitting the at least one OFDM symbol.

Abstract translation: 提供了一种用于在无线局域网系统中发送由发送站执行的数据单元的方法。 该方法包括生成重复的比特序列，通过交织重复的比特序列产生交织的比特序列，通过调制交织的比特序列来生成至少一个符号，通过对该比特序列进行IDFT（逆离散傅立叶变换）来生成至少一个OFDM符号 至少一个符号并发送所述至少一个OFDM符号。

公开(公告)号：US09191928B2

公开(公告)日：2015-11-17

申请号：US14329242

申请日：2014-07-11

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok

IPC: H04W72/04 ,  H04W74/00 ,  H04W74/08 ,  H04W72/02 ,  H04W72/00 ,  H04W84/12 ,  H04W8/24 ,  H04W48/16

CPC classification number: H04W74/0808 ,  H04W8/24 ,  H04W48/16 ,  H04W72/00 ,  H04W72/02 ,  H04W72/04 ,  H04W74/00 ,  H04W74/002 ,  H04W74/006 ,  H04W74/08 ,  H04W84/12

Abstract: A method and apparatus of accessing a channel in a wireless communication system is provided. The method includes receiving a first frame including configuration information on a channel allocated from a bandwidth including a primary channel, a secondary channel and an extension channel from an access point (AP), and transmitting a second frame to the AP by using the allocated channel. The configuration information includes an extension channel offset element field that sets the extension channel as the offset of the primary channel.

Abstract translation: 提供了一种在无线通信系统中访问信道的方法和装置。 该方法包括：接收包括从包括主频道，辅助信道和来自接入点（AP）的扩频信道的带宽分配的信道上的配置信息的第一帧，以及通过使用分配的信道向AP发送第二帧 。 配置信息包括将扩展信道设置为主信道的偏移的扩展信道偏移元素字段。

公开(公告)号：US20150250003A1

公开(公告)日：2015-09-03

申请号：US14237111

申请日：2012-08-07

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok ,  Jong Hyun Park ,  Eun Sun Kim

IPC: H04W74/08 ,  H04L1/00

CPC classification number: H04L5/0048 ,  H04L1/0008 ,  H04L5/0044 ,  H04W28/06 ,  H04W74/0816 ,  H04W84/12

Abstract: A method for channel access in a wireless local area network is provided. The method includes: transmitting, a plurality of Request To Send (RTS) frames over a plurality of subchannels to a receiver, each RTS frame being transmitted over each of the plurality of subchannels; receiving at least one Clear To Send (CTS) frame over at least one subchannel among the plurality of subchannels from the receiver; each CTS frame being transmitted over each of the at least one subchannel, transmitting a data unit to the receiver. The data unit includes at least one data frame. The at least one data frame is transmitted over at least one selected subchannel among the at least one subchannel, each data frame being transmitted over each selected subchannel.

Abstract translation: 提供了一种在无线局域网中进行信道接入的方法。 该方法包括：通过多个子信道将多个请求发送（RTS）帧发送到接收机，每个RTS帧在多个子信道中的每一个上发送; 在来自接收机的多个子信道中的至少一个子信道上接收至少一个清除发送（CTS）帧; 每个CTS帧在所述至少一个子信道中的每一个上传输，将数据单元发送到接收器。 数据单元包括至少一个数据帧。 所述至少一个数据帧通过所述至少一个子信道中的至少一个所选择的子信道进行发送，每个数据帧在每个所选择的子信道上传输。

公开(公告)号：US09107222B2

公开(公告)日：2015-08-11

申请号：US14579286

申请日：2014-12-22

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok

IPC: H04W4/00 ,  H04W74/08

CPC classification number: H04W74/0816 ,  H04W4/20 ,  H04W72/0446 ,  H04W74/006

Abstract: A method for communicating in a wireless local area network. The method according to one embodiment includes transmitting, by a first station, a plurality of a request to send (RTS) frames to a second station through a plurality of subchannels; receiving, by the first station, at least one clear to send (CTS) frame; and transmitting, by the first station, a data frame to the second station. If the at least one CTS frame includes channel information indicating all of the at least one idle subchannel through which the at least one CTS frame is transmitted, the data frame is transmitted via the at least one idle subchannel indicated by the channel information, and if the at least one CTS frame does not include the channel information, the data frame is transmitted via at least one of the plurality of subchannels indicated by the plurality of RTS frames.

Abstract translation: 一种用于在无线局域网中进行通信的方法。 根据一个实施例的方法包括由第一站向多个子信道发送多个向第二站发送（RTS）帧的请求; 由第一站接收至少一个清除发送（CTS）帧; 以及由所述第一站向所述第二站发送数据帧。 如果至少一个CTS帧包括指示发送至少一个CTS帧的所有至少一个空闲子信道的信道信息，则经由由信道信息指示的至少一个空闲子信道发送数据帧，如果 至少一个CTS帧不包括信道信息，经由多个RTS帧指示的多个子信道中的至少一个发送数据帧。