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    METHOD AND APPARATUS FOR TRANSCEIVING A DATA FRAME IN A WIRELESS LAN SYSTEM
    24.
    发明申请
    METHOD AND APPARATUS FOR TRANSCEIVING A DATA FRAME IN A WIRELESS LAN SYSTEM 有权
    用于在无线LAN系统中收发数据帧的方法和装置

    公开(公告)号：US20150256238A1

    公开(公告)日：2015-09-10

    申请号：US14723290

    申请日：2015-05-27

    Applicant: LG ELECTRONICS INC.

    Inventor： Dong Wook ROH ,  Byeong Woo KANG ,  Dae Won LEE ,  Yong Ho SEOK

    IPC: H04B7/04 ,  H04W72/04

    CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0617 ,  H04B7/0697 ,  H04L1/0025 ,  H04L1/0041 ,  H04L2001/0093 ,  H04W52/42 ,  H04W84/12

    Abstract: A method of transmitting a data frame by a transmitter in a WLAN system is provided. The method includes generating a data block including at least one data units respectively transmitted through at least one or more spatial streams to at least one receiver, transmitting first control information to the at least one receiver, transmitting second control information to each receiver, and transmitting the data block to the at least one receiver. The first control information includes a length indicator for the data block, a MIMO indicator indicating whether the data block is for SU-MIMO or MU-MIMO, and a spatial stream indication field including information about the number of the spatial streams. The second control information includes a FEC coding field indicating an encoding scheme applied to the data unit and an MCS field indicating an MCS applied to the data unit.

    Abstract translation: 提供了一种通过WLAN系统中的发射机发送数据帧的方法。 该方法包括生成包括分别通过至少一个或多个空间流发送到至少一个接收器的至少一个数据单元的数据块，向至少一个接收机发送第一控制信息，向每个接收机发送第二控制信息，并发送 所述数据块到所述至少一个接收器。 第一控制信息包括用于数据块的长度指示符，指示数据块是用于SU-MIMO还是MU-MIMO的MIMO指示符，以及包括关于空间流的数量的信息的空间流指示字段。 第二控制信息包括指示应用于数据单元的编码方案的FEC编码字段和指示应用于数据单元的MCS的MCS字段。

    METHOD AND APPARATUS FOR ALLOCATING TRANSMISSION CHANNEL IN WIRELESS LOCAL AREA NETWORK SYSTEM
    25.
    发明申请
    METHOD AND APPARATUS FOR ALLOCATING TRANSMISSION CHANNEL IN WIRELESS LOCAL AREA NETWORK SYSTEM 有权
    在无线局域网系统中分配传输信道的方法和装置

    公开(公告)号：US20150223205A1

    公开(公告)日：2015-08-06

    申请号：US14685055

    申请日：2015-04-13

    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。

    METHOD FOR REPORTING CHANNEL INFORMATION BASED ON LINK ADAPTATION IN WIRELESS LOCAL AREA NETWORK AND THE APPARATUS FOR THE SAME
    29.
    发明申请
    METHOD FOR REPORTING CHANNEL INFORMATION BASED ON LINK ADAPTATION IN WIRELESS LOCAL AREA NETWORK AND THE APPARATUS FOR THE SAME 审中-公开
    基于无线本地网络中的链路适配报告信道信息的方法及其设备

    公开(公告)号：US20140293916A1

    公开(公告)日：2014-10-02

    申请号：US14297483

    申请日：2014-06-05

    Applicant: LG ELECTRONICS INC.

    Inventor： Ill Soo SOHN ,  Yong Ho SEOK ,  Kyoung Young SONG ,  Dae Won LEE ,  Byeong Woo KANG

    IPC: H04W72/04 ,  H04W24/10

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

    Abstract: A method and device for link adaptation in a wireless local area network system, are discussed. The method may include receiving, by a responding station, from a requesting station, a requesting Physical layer Protocol Data Unit (PPDU) for requesting a modulation and coding scheme (MCS) feedback via a plurality of spatial streams, the requesting PPDU including an MCS request (MRQ) field that is set to one to request the responding station to provide the MCS feedback; and transmitting, by the responding station, to the requesting station, the MCS feedback including a recommended MCS field and a recommended stream field. The recommended MCS field indicates a recommended MCS, the recommended stream field indicates a number of at least one recommended spatial stream, and the number of the at least one recommended spatial stream is less than a number of the plurality of spatial streams used for the requesting PPDU.

    Abstract translation: 讨论了一种在无线局域网系统中进行链路自适应的方法和装置。 所述方法可以包括由响应站从请求站接收用于经由多个空间流请求调制和编码方案（MCS）反馈的请求物理层协议数据单元（PPDU），所述请求PPDU包括MCS 请求（MRQ）字段设置为1以请求响应站提供MCS反馈; 并且由响应站向请求站发送MCS反馈，其包括推荐的MCS字段和推荐流字段。 推荐的MCS字段指示推荐的MCS，推荐的流字段指示至少一个推荐的空间流的数量，并且至少一个推荐的空间流的数量小于用于请求的多个空间流的数量 PPDU。

    METHOD FOR TRANSMITTING CONTROL INFORMATION AND APPARATUS FOR THE SAME
    30.
    发明申请
    METHOD FOR TRANSMITTING CONTROL INFORMATION AND APPARATUS FOR THE SAME 审中-公开
    发送控制信息的方法及其设备

    公开(公告)号：US20140286327A1

    公开(公告)日：2014-09-25

    申请号：US14227993

    申请日：2014-03-27

    Applicant: LG ELECTRONICS INC.

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

    IPC: H04L27/26

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

    Abstract: Methods and devices for transmitting or receiving data in a wireless local area network are provided. The method in one embodiment includes transmitting, by a transmitter, a first long training field (LTF) to a receiver; transmitting, by the transmitter, a very high throughput (VHT)-SIG-A field to the receiver; transmitting, by a transmitter, a second LTF for multiple input multiple output (MIMO) channel estimation to the receiver; transmitting, by the transmitter, a VHT-SIG-B field to the receiver; and transmitting, by the transmitter, a data field to the receiver, wherein the first LTF, the VHT-SIG-A field, the second LTF, the VHT-SIG-B field and the data field are sequentially transmitted, and wherein the second LTF and the data field are mapped to at least one spatial stream based on a mapping matrix but the first LTF and the VHT SIG-A field are not mapped to the at least one spatial stream.

    Abstract translation: 提供了用于在无线局域网中发送或接收数据的方法和设备。 一个实施例中的方法包括由发射机向接收机发送第一长训练场（LTF）; 由发射机向接收机发射非常高的吞吐量（VHT）-SIG-A场; 由发射机向所述接收机发送用于多输入多输出（MIMO）信道估计的第二LTF; 由发射机向接收机发送VHT-SIG-B字段; 并且由所述发射机将数据字段发送到所述接收机，其中所述第一LTF，所述VHT-SIG-A字段，所述第二LTF，所述VHT-SIG-B字段和所述数据字段被顺序地发送，并且其中所述第二 基于映射矩阵将LTF和数据字段映射到至少一个空间流，但是第一LTF和VHT SIG-A字段未映射到至少一个空间流。

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