公开(公告)号：US20140079003A1

公开(公告)日：2014-03-20

申请号：US14089565

申请日：2013-11-25

Applicant: LG ELECTRONICS INC.

Inventor： Yu Jin NOH ,  Dae Won LEE ,  Byeong Woo KANG ,  Bong Hoe KIM ,  Yong Ho SEOK

IPC: H04W72/04

CPC classification number: H04W72/0406 ,  H04B7/0413 ,  H04L5/001 ,  H04L5/0033 ,  H04L5/0044 ,  H04L5/0094 ,  H04L61/6022 ,  H04L69/22 ,  H04L69/323 ,  H04L69/324 ,  H04W28/065 ,  H04W72/04 ,  H04W72/042 ,  H04W72/085 ,  H04W84/12 ,  H04W88/08

Abstract: According to one embodiment, a method for a wireless local area includes: generating a medium access control (MAC) protocol data unit (MPDU) to be transmitted to a target station; generating a physical layer convergence procedure (PLCP) protocol data unit (PPDU) by attaching a PLCP preamble to the MPDU; selecting a transmission channel; and transmitting the PPDU to the target station over the transmission channel. Selecting the transmission channel includes: performing clear channel assessment (CCA) on a first channel to determine whether the first channel is idle; and only after it is determined that the first channel is idle, selecting the first channel and at least one idle second channel as the transmission channel. The PLCP preamble includes channel allocation information indicating a bandwidth of the transmission channel.

Abstract translation: 根据一个实施例，一种用于无线局域的方法包括：产生要发送到目标站的介质访问控制（MAC）协议数据单元（MPDU）; 通过将PLCP前导码附加到MPDU来生成物理层融合过程（PLCP）协议数据单元（PPDU）; 选择传输信道; 并通过传输信道将PPDU发送到目标站。 选择传输信道包括：在第一信道上执行清除信道评估（CCA）以确定第一信道是否空闲; 并且仅在确定第一信道空闲之后，选择第一信道和至少一个空闲第二信道作为传输信道。 PLCP前导码包括指示传输信道的带宽的信道分配信息。

公开(公告)号：US20180098313A1

公开(公告)日：2018-04-05

申请号：US15827747

申请日：2017-11-30

Applicant: LG ELECTRONICS INC.

Inventor： Yu Jin NOH ,  Dae Won LEE ,  Byeong Woo KANG ,  Bong Hoe KIM ,  Yong Ho SEOK

IPC: H04W72/04 ,  H04L29/08 ,  H04L5/00 ,  H04L29/12 ,  H04L29/06 ,  H04W72/08 ,  H04W28/06 ,  H04W84/12 ,  H04W88/08

CPC classification number: H04W72/0406 ,  H04B7/0413 ,  H04L5/001 ,  H04L5/0033 ,  H04L5/0044 ,  H04L5/0094 ,  H04L61/6022 ,  H04L69/22 ,  H04L69/323 ,  H04L69/324 ,  H04W28/065 ,  H04W72/04 ,  H04W72/042 ,  H04W72/085 ,  H04W84/12 ,  H04W88/08

Abstract: According to one embodiment, a method for a wireless local area includes: generating a medium access control (MAC) protocol data unit (MPDU) to be transmitted to a target station; generating a physical layer convergence procedure (PLCP) protocol data unit (PPDU) by attaching a PLCP preamble to the MPDU; selecting a transmission channel; and transmitting the PPDU to the target station over the transmission channel. Selecting the transmission channel includes: performing clear channel assessment (CCA) on a first channel to determine whether the first channel is idle; and only after it is determined that the first channel is idle, selecting the first channel and at least one idle second channel as the transmission channel. The PLCP preamble includes channel allocation information indicating a bandwidth of the transmission channel.

公开(公告)号：US20160191292A1

公开(公告)日：2016-06-30

申请号：US15060727

申请日：2016-03-04

Applicant: LG Electronics Inc.

Inventor： Dae Won LEE ,  Yu Jin NOH ,  Byeong Woo KANG ,  Yong Ho SEOK

IPC: H04L27/28 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04L69/323 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/06 ,  H04L27/2626 ,  H04L27/2646 ,  H04L27/2647 ,  H04L27/28 ,  H04W84/12

Abstract: A method for transmitting data in a wireless local area network, and a device therefore are discussed. The method according to one embodiment includes generating, by a transmitter, a very high throughput (VHT)-SIG-A field; generating, by the transmitter, a VHT-SIG-B field by applying a single column vector; and transmitting, by the transmitter, a physical layer protocol data unit (PPDU) to a receiver, the PPDU including the VHT-SIG-A field and the VHT-SIG-B field. The single column vector is obtained from a number of spatial streams for the receiver.

Abstract translation: 因此，讨论了在无线局域网中发送数据的方法和装置。 根据一个实施例的方法包括由发射机生成非常高吞吐量（VHT）-SIG-A场; 通过应用单列向量，由发射机生成VHT-SIG-B字段; 并且由所述发射机将物理层协议数据单元（PPDU）发送到接收机，所述PPDU包括所述VHT-SIG-A字段和所述VHT-SIG-B字段。 单列向量从接收机的多个空间流中获得。

公开(公告)号：US20160164585A1

公开(公告)日：2016-06-09

申请号：US15041849

申请日：2016-02-11

Applicant: LG ELECTRONICS INC.

Inventor： Yu Jin NOH ,  Dong Wook ROH ,  Byeong Woo KANG ,  Bong Hoe KIM ,  Dae Won LEE

IPC: H04B7/04 ,  H04W72/06 ,  H04B7/06

CPC classification number: H04B7/0473 ,  H04B7/0404 ,  H04B7/0456 ,  H04B7/0465 ,  H04B7/0486 ,  H04B7/0639 ,  H04L25/03343 ,  H04L25/03923 ,  H04L25/03929 ,  H04L27/2601 ,  H04L27/2615 ,  H04L27/2636 ,  H04L2025/03426 ,  H04W72/06

Abstract: A method for transmitting and receiving uplink signals using an optimized rank 3 codebook is disclosed. The optimized rank 3 codebook includes 6 precoding matrix groups, each of which has 1 variable having an amplitude of 1. Preferably, the optimized 4Tx rank 3 codebook has 12 precoding matrix, two precoding matrixes are selected from each the above 6 precoding matrix groups considering chordal distance and the number of precoding matrix.

公开(公告)号：US20160127076A1

公开(公告)日：2016-05-05

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

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：US20150237613A1

公开(公告)日：2015-08-20

申请号：US14703574

申请日：2015-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Dae Won LEE ,  Dong Wook ROH ,  Byeong Woo KANG ,  Yong Ho SEOK ,  Yu Jin NOH ,  Bong Hoe KIM

IPC: H04W72/04 ,  H04B7/04

CPC classification number: H04B7/0452 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0473 ,  H04B7/0486 ,  H04B7/0617 ,  H04L5/0023 ,  H04L5/0091 ,  H04L5/0094 ,  H04L27/2613 ,  H04W72/0406 ,  H04W72/046 ,  H04W84/12

Abstract: A method and apparatus for signal transmission in a Wireless Local Area Network (WLAN) system. The method according to one embodiment includes generating a first very high throughput (VHT) signal, generating a second VHT signal, and transmitting the first VHT signal and the second VHT signal. The first VHT signal includes an indicator indicating that the second VHT signal is to be transmitted by using a single-user multiple input multiple output (SU-MIMO) scheme or a multi-user multiple input multiple output (MU-MIMO) scheme. The first VHT signal and the second VHT signal are used to transmit control information, and the control information includes a modulation and coding scheme (MCS) index indicating an MCS used in the step of transmitting and further includes a spatial stream identifier indicating a number of spatial streams.

Abstract translation: 一种用于无线局域网（WLAN）系统中信号传输的方法和装置。 根据一个实施例的方法包括产生第一非常高吞吐量（VHT）信号，产生第二VHT信号，以及发送第一VHT信号和第二VHT信号。 第一VHT信号包括指示通过使用单用户多输入多输出（SU-MIMO）方案或多用户多输入多输出（MU-MIMO）方案来发送第二VHT信号的指示符。 第一VHT信号和第二VHT信号用于发送控制信息，并且控制信息包括指示在发送步骤中使用的MCS的调制和编码方案（MCS）索引，并且还包括表示多个 空间流。

公开(公告)号：US20150162965A1

公开(公告)日：2015-06-11

申请号：US14627414

申请日：2015-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Yu JIN NOH ,  Ki Jun KIM ,  Dong Wook ROH ,  Byeong Woo KANG ,  Dae Won LEE ,  Bong Hoe KIM ,  Dong Youn SEO

IPC: H04B7/04 ,  H04L27/26 ,  H04J11/00

CPC classification number: H04B7/0486 ,  H04B7/0456 ,  H04B7/0617 ,  H04J11/0023 ,  H04L25/03923 ,  H04L25/03929 ,  H04L27/2614 ,  H04L27/2615 ,  H04L27/2636 ,  H04W72/04

Abstract: A method and apparatus for allowing a UE to transmit uplink signals using a MIMO scheme are disclosed. In order to maintain good Peak power to Average Power Ratio (PAPR) or Cubic Metric (CM) properties when the UE transmits uplink signals using the MIMO scheme, the UE uses a precoding scheme based on a precoding matrix established in a manner that one layer is transmitted to each antenna in specific rank transmission.

Abstract translation: 公开了一种允许UE使用MIMO方案发送上行链路信号的方法和装置。 为了在UE使用MIMO方案传输上行链路信号时保持良好的峰值功率与平均功率比（PAPR）或立方米（CM）属性，UE使用基于预编码矩阵的预编码方案，该预编码矩阵以一层 以特定秩传输的方式发送到每个天线。

公开(公告)号：US20150063294A1

公开(公告)日：2015-03-05

申请号：US14542237

申请日：2014-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Yu Jin NOH ,  Dong Wook ROH ,  Joon Kui AHN ,  Byeong Woo KANG ,  Dae Won LEE ,  Bong Hoe KIM ,  Dong Youn SEO

IPC: H04J11/00 ,  H04W24/02 ,  H04B7/04 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04B7/0626 ,  H04B7/0413 ,  H04J11/0053 ,  H04L5/0007 ,  H04L5/0032 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0094 ,  H04L25/0218 ,  H04L25/0226 ,  H04W24/02 ,  H04W72/0446 ,  H04W72/0453

Abstract: A method for transmitting, by a base station, configuration information for a reference signal for channel measurement. The method according to one embodiment includes transmitting, to a user equipment, first resource information for indicating a first pattern, first subframe information for indicating a first subframe, second resource information for indicating a second pattern, and second subframe information for indicating a second subframe. The first subframe information includes information indicating a first periodic interval, and the second subframe information indicates information indicating a second periodic interval. Each of the first and second subframes is comprised of two slots—slot 0 and slot 1, and each of the first and second reference signal time-frequency resources is within two OFDM symbols other than OFDM symbols 0, 1, 2, and 3 of the slot 0 and other than OFDM symbols 0, 1, and 3 of the slot 1.

Abstract translation: 一种用于由基站发送用于信道测量的参考信号的配置信息的方法。 根据一个实施例的方法包括向用户设备发送用于指示第一模式的第一资源信息，用于指示第一子帧的第一子帧信息，用于指示第二模式的第二资源信息，以及用于指示第二子帧的第二子帧信息 。 第一子帧信息包括指示第一周期性间隔的信息，第二子帧信息指示表示第二周期性间隔的信息。 第一和第二子帧中的每一个由两个时隙0和时隙1组成，并且第一和第二参考信号时频资源中的每一个在除了OFDM符号0,1,2和3之外的两个OFDM符号内 时隙0以及时隙1的OFDM符号0，1和3之外。

公开(公告)号：US20140307726A1

公开(公告)日：2014-10-16

申请号：US14318084

申请日：2014-06-27

Applicant: LG ELECTRONICS INC.

Inventor： Byeong Woo KANG ,  Dae Won LEE ,  Yong Ho SEOK ,  Yu Jin NOH

IPC: H04W76/02

CPC classification number: H04W76/023 ,  H04L12/189 ,  H04W4/00 ,  H04W72/005 ,  H04W76/14 ,  H04W84/12 ,  Y02D70/142 ,  Y02D70/22

Abstract: A method of transmitting a frame in a Wireless Local Area Network (WLAN) system is provided. The method includes receiving, by a first station, information about an association identifier (AID) from an access point, the AID identifying the first station in the WLAN system; transmitting, by the first station, a Direct Link Setup (DLS) request frame to a second station to request a setup for a direct link with the second station, the DLS request frame including the AID of the first station; receiving, by the first station, a DLS response frame from the second station in response to the DLS request frame, the DLS response frame including an AID of the second station; and transmitting, by the first station, a Physical Layer Convergence Procedure (PLCP) Protocol Data Unit (PPDU) to the second station or the access point.

Abstract translation: 提供了一种在无线局域网（WLAN）系统中发送帧的方法。 所述方法包括：从第一站接收关于来自接入点的关联标识符（AID）的信息，所述AID标识所述WLAN系统中的所述第一站; 由第一站向第二站发送直接链路建立（DLS）请求帧，以请求建立与第二站的直接链路，DLS请求帧包括第一站的AID; 由所述第一站从所述第二站响应于所述DLS请求帧接收DLS响应帧，所述DLS响应帧包括所述第二站的AID; 以及由所述第一站将物理层会聚过程（PLCP）协议数据单元（PPDU）发送到所述第二站或所述接入点。

公开(公告)号：US20140169356A1

公开(公告)日：2014-06-19

申请号：US14186572

申请日：2014-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Yu Jin NOH ,  Byeong Woo KANG ,  Dae Won LEE ,  Yong Ho SEOK

IPC: H04W28/20 ,  H04W88/02

CPC classification number: H04W72/0446 ,  H04B7/0452 ,  H04W28/20 ,  H04W72/04 ,  H04W72/0406 ,  H04W74/0808 ,  H04W84/12 ,  H04W88/02 ,  H04W88/08

Abstract: A station and method for transmitting a data frame in a wireless local area network are provided. The method includes obtaining, by the station, a transmission opportunity (TXOP) for a bandwidth, the TXOP indicating an interval of time when the station has a right to exchange frame sequences; selecting, by the station, a transmit bandwidth parameter of a non-initial data unit of a plurality of data units from available bandwidth parameters, wherein the available bandwidth parameters include a first available bandwidth parameter which is same as a transmit bandwidth parameter of a preceding data unit of the plurality of data units and a second available bandwidth parameter which is narrower than a transmit bandwidth parameter of the preceding data unit; and transmitting, by the station during the TXOP, the non-initial data unit according to the transmit bandwidth parameter of the non-initial data unit.

Abstract translation: 提供了一种用于在无线局域网中发送数据帧的站和方法。 所述方法包括由所述站获取用于带宽的传输机会（TXOP），所述TXOP指示所述站有权交换帧序列的时间间隔; 由所述站从可用带宽参数中选择多个数据单元的非初始数据单元的发射带宽参数，其中所述可用带宽参数包括与前一个的发射带宽参数相同的第一可用带宽参数 多个数据单元的数据单元和比前一个数据单元的发送带宽参数更窄的第二可用带宽参数; 以及所述站在所述TXOP期间根据所述非初始数据单元的发送带宽参数发送所述非初始数据单元。