公开(公告)号：US20160165483A1

公开(公告)日：2016-06-09

申请号：US15042693

申请日：2016-02-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04W28/06 ,  H04L5/00

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：US20160127022A1

公开(公告)日：2016-05-05

申请号：US14991284

申请日：2016-01-08

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 ,  H04W72/04

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.

公开(公告)号：US20160037516A1

公开(公告)日：2016-02-04

申请号：US14864283

申请日：2015-09-24

Applicant: LG ELECTRONICS INC.

Inventor： Dong Youn SEO ,  Joon Kui AHN ,  Yu Jin NOH ,  Jung Hoon LEE ,  Bong Hoe KIM

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/00

CPC classification number: H04W72/0446 ,  H04B7/12 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0028 ,  H04L5/0039 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/006 ,  H04L5/0064 ,  H04L5/0085 ,  H04L5/0092 ,  H04W88/08

Abstract: A method for efficiently scheduling virtual resource blocks to physical resource blocks is disclosed. In a wireless mobile communication system, for distributed mapping of consecutively allocated virtual resource blocks to physical resource blocks, when nulls are inserted into a block interleaver used for the mapping, they are uniformly distributed to ND divided groups of the block interleaver, which are equal in number to the number (ND) of physical resource blocks to which one virtual resource block is mapped.

公开(公告)号：US20150365215A1

公开(公告)日：2015-12-17

申请号：US14837986

申请日：2015-08-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W72/04 ,  H04B7/04

CPC classification number: H04L5/0051 ,  H04B7/0413 ,  H04B7/0684 ,  H04J13/0003 ,  H04J13/0025 ,  H04J13/10 ,  H04L1/0675 ,  H04L5/0023 ,  H04L5/0028 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/0092 ,  H04L27/2613 ,  H04W8/26 ,  H04W72/042

Abstract: The present application discloses a method in which a base station transmits a reference signal sequence in a wireless communication system. In detail, the method comprises the steps of: generating a pseudo-random sequence using a first m-sequence and a second m-sequence; generating the reference signal sequence using the pseudo-random sequence; and transmitting the reference signal to a mobile station via antenna ports different from one another. The second m-sequence has an initial value containing parameters for discriminating reference signal sequences among users.

Abstract translation: 本申请公开了一种基站在无线通信系统中发送参考信号序列的方法。 具体而言，该方法包括以下步骤：使用第一m序列和第二m序列生成伪随机序列; 使用伪随机序列生成参考信号序列; 以及经由彼此不同的天线端口将参考信号发送到移动台。 第二m序列具有初始值，其包含用于在用户之间鉴别参考信号序列的参数。

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。

公开(公告)号：US20150188735A1

公开(公告)日：2015-07-02

申请号：US14645834

申请日：2015-03-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04L25/03 ,  H04W72/06 ,  H04B7/04

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.

Abstract translation: 公开了一种使用优化的3级码本发送和接收上行链路信号的方法。 优化的等级3码本包括6个预编码矩阵组，每个预编码矩阵组具有1个具有幅度为1的变量。优选地，优化的4Tx等级3码本具有12个预编码矩阵，考虑到上述6个预编码矩阵组中的每一个选择两个预编码矩阵 弦距离和预编码矩阵的数量。

公开(公告)号：US20150146708A1

公开(公告)日：2015-05-28

申请号：US14560971

申请日：2014-12-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/22

CPC classification number: H04L27/261 ,  H03M5/12 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0061 ,  H04L25/4904 ,  H04L27/14 ,  H04L27/144 ,  H04L27/148 ,  H04L27/1563 ,  H04L27/22 ,  H04L27/2273 ,  H04L27/2331 ,  H04L27/2332 ,  H04L27/2613 ,  H04L27/2647 ,  H04L2027/0028 ,  H04N5/4401 ,  H04Q1/46 ,  H04W28/06 ,  H04W84/12

Abstract: A method of transmitting a Physical Layer Convergence Procedure (PLCP) frame in a Very High Throughput (VHT) Wireless Local Area Network (WLAN) system includes generating a MAC Protocol Data Unit (MPDU) to be transmitted to a destination station (STA), generating a PLCP Protocol Data Unit (PPDU) by adding a PLCP header, including an L-SIG field containing control information for a legacy STA and a VHT-SIG field containing control information for a VHT STA, to the MPDU, and transmitting the PPDU to the destination STA. A constellation applied to some of Orthogonal Frequency Division Multiplex (OFDM) symbols of the VHT-SIG field is obtained by rotating a constellation applied to an OFDM symbol of the L-SIG field.

Abstract translation: 一种在非常高吞吐量（VHT）无线局域网（WLAN）系统中发送物理层汇聚程序（PLCP）帧的方法包括生成要发送到目的站（STA）的MAC协议数据单元（MPDU） 通过将包含包含用于传统STA的控制信息的L-SIG字段和包含用于VHT STA的控制信息的VHT-SIG字段的L-SIG字段的PLCP头添加到MPDU来生成PLCP协议数据单元（PPDU），以及发送PPDU 到目的地STA。 通过旋转施加到L-SIG字段的OFDM符号的星座来获得应用于VHT-SIG字段的一些正交频分复用（OFDM）符号的星座。

公开(公告)号：US20150009979A1

公开(公告)日：2015-01-08

申请号：US14492975

申请日：2014-09-22

Applicant: LG ELECTRONICS INC.

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

IPC: H04W28/06

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：US20140362845A1

公开(公告)日：2014-12-11

申请号：US14466203

申请日：2014-08-22

Applicant: LG Electronics Inc.

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

IPC: H04L27/26

CPC classification number: H04L27/2602 ,  H04B7/0413 ,  H04L1/1812 ,  H04L5/0023 ,  H04L5/0091 ,  H04W52/0216 ,  H04W52/0219 ,  H04W52/0241 ,  H04W72/0413 ,  H04W72/042 ,  H04W80/02 ,  H04W84/12 ,  H04W88/08 ,  Y02B70/30 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/22

Abstract: A method and apparatus are described for transmitting data. The method includes generating, by an access point (AP), a Physical Layer Protocol Data Unit (PPDU) including a signal field and a data field, and transmitting, by the AP, the PPDU to a station. The signal field includes a reception target indicator and an identifier field. The reception target indicator indicates whether a target of the PPDU is the AP or the station. The identifier field includes a local AP identifier identifying the AP when the reception target indicator indicates that the target of the PPDU is the station.

Abstract translation: 描述了用于发送数据的方法和装置。 该方法包括由接入点（AP）生成包括信号字段和数据字段的物理层协议数据单元（PPDU），并且由AP将PPDU发送到站。 信号字段包括接收目标指示符和标识符字段。 接收目标指示符指示PPDU的目标是AP还是站。 当接收目标指示符指示PPDU的目标是站时，标识符字段包括标识AP的本地AP标识符。

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。