公开(公告)号：US08848818B2

公开(公告)日：2014-09-30

申请号：US13388662

申请日：2010-08-19

Applicant: Hyung Tae Kim ,  Dae Won Lee ,  Han Byul Seo ,  Byoung Hoon Kim ,  Ki Jun Kim

Inventor： Hyung Tae Kim ,  Dae Won Lee ,  Han Byul Seo ,  Byoung Hoon Kim ,  Ki Jun Kim

IPC: H04B7/02 ,  H04B7/06 ,  H04B7/04

CPC classification number: H04B7/024 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0639

Abstract: An apparatus and method for generating a codebook in a wireless communication system are disclosed. The codebook generation method includes determining one or more dominant singular vectors in a channel matrix for antennas and setting each of the dominant singular vectors as a random non-zero vector, generating a first codebook having codewords, a minimum distance between the codewords being maximized, using the random non-zero vector in a region that includes unit norm vectors each having a Euclidean distance to each of the dominant singular vectors, equal to or less than a predetermined value, generating a second codebook corresponding to a unitary matrix that rotates the random non-zero vector toward the dominant singular vectors, and generating a final codebook using the first and second codebooks.

Abstract translation: 公开了一种用于在无线通信系统中生成码本的装置和方法。 码本生成方法包括确定用于天线的信道矩阵中的一个或多个主要奇异向量，并将每个主要奇异向量设置为随机非零向量，生成具有码字的第一码本，最大化码字之间的最小距离， 在包括单位范数向量的区域中使用随机非零向量，所述单位范数向量具有等于或小于预定值的每个主要奇异向量的欧几里德距离，生成对应于酉矩阵的第二码本， 向着主要奇异向量的非零矢量，以及使用第一和第二码本生成最终码本。

公开(公告)号：US08787277B2

公开(公告)日：2014-07-22

申请号：US13148389

申请日：2010-02-09

Applicant: Hak Seong Kim ,  Byoung Hoon Kim ,  Han Byul Seo ,  Dae Won Lee

Inventor： Hak Seong Kim ,  Byoung Hoon Kim ,  Han Byul Seo ,  Dae Won Lee

IPC: H04W72/04 ,  H04B7/155 ,  H04W4/00

CPC classification number: H04B7/15542 ,  H04B7/2606 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0091 ,  H04W4/00 ,  H04W72/04 ,  H04W72/1289

Abstract: A method of transmitting uplink control information of a user equipment in a wireless communication system is provided. The method includes: receiving reserved resource information that indicates a radio resource capable of transmitting the uplink control information; receiving a block subframe indicator that indicates a radio resource for transmitting a signal from a relay station to a base station; comparing a transmission-reserved subframe indicated by the reserved resource information with a block subframe indicated by the block subframe indicator; and transmitting the uplink control information in the transmission-reserved subframe if the transmission-reserved subframe does not overlap with the block subframe.

Abstract translation: 提供一种在无线通信系统中发送用户设备的上行链路控制信息的方法。 该方法包括：接收指示能够发送上行链路控制信息的无线电资源的预留资源信息; 接收指示用于从中继站向基站发送信号的无线资源的块子帧指示符; 将由保留资源信息指示的传输保留子帧与由块子帧指示符指示的块子帧进行比较; 以及如果所述传输保留子帧与所述块子帧不重叠，则在所述传输保留子帧中发送所述上行链路控制信息。

公开(公告)号：US08670430B2

公开(公告)日：2014-03-11

申请号：US13145173

申请日：2010-03-03

Applicant: Dae Won Lee ,  Ki Jun Kim ,  Joon Kui Ahn ,  Byeong Woo Kang ,  Yu Jin Noh ,  Byoung Hoon Kim ,  Bong Hoe Kim

Inventor： Dae Won Lee ,  Ki Jun Kim ,  Joon Kui Ahn ,  Byeong Woo Kang ,  Yu Jin Noh ,  Byoung Hoon Kim ,  Bong Hoe Kim

IPC: H04J1/00 ,  H04L5/00

CPC classification number: H04L5/0007 ,  H04B7/068 ,  H04L5/0023 ,  H04L5/0057

Abstract: A method of multiplexing control information and data information in a wireless communication system is disclosed. The present invention includes mapping codewords corresponding to the data information to a preset number of layers, mapping the control information to the preset number of the layers, multiplexing the layer-mapped data information and the layer-mapped control information into a frequency region within an SC-FDMA symbol, and transmitting the SC-FDMA symbol to a base station via multiple antennas.

Abstract translation: 公开了一种在无线通信系统中复用控制信息和数据信息的方法。 本发明包括将与数据信息相对应的码字映射到预定数量的层，将控制信息映射到预设数量的层，将层映射数据信息和层映射控制信息复用到 SC-FDMA符号，并且经由多个天线将SC-FDMA符号发送到基站。

公开(公告)号：US20130329626A1

公开(公告)日：2013-12-12

申请号：US14001128

申请日：2012-02-21

Applicant: III Soo Sohn ,  Byeong Woo Kang ,  Dae Won Lee ,  Yong Ho Seok

Inventor： III Soo Sohn ,  Byeong Woo Kang ,  Dae Won Lee ,  Yong Ho Seok

IPC: H04W4/08

CPC classification number: H04W4/08 ,  H04B7/024 ,  H04B7/0452 ,  H04W84/12

Abstract: A method of receiving a multi-user packet by a receiver in a wireless local area network system. The method includes: receiving a first group identifier (ID) management request message from a transmitter, wherein the group ID management request message includes information about at least one group ID which is intended to be allocated to the receiver for multi user-multiple input multiple output (MU-MIMO) transmission, and the information about the at least one group ID indicates each group ID and a spatial stream set position for the each group ID; transmitting a first group ID management response message to the transmitter, wherein the group ID management response message indicates admission or adjustment for allocation of the at least one group ID; and receiving at least one multi-user packet from the transmitter, wherein the multi-user packet is transmitted using MU-MIMO transmission.

Abstract translation: 一种在无线局域网系统中由接收机接收多用户分组的方法。 该方法包括：从发射机接收第一组标识符（ID）管理请求消息，其中，组ID管理请求消息包括关于多个用户多输入多个目的地被分配给接收机的至少一个组ID的信息 输出（MU-MIMO）传输，并且关于至少一个组ID的信息指示每个组ID的每个组ID和空间流设置位置; 向所述发射机发送第一组ID管理响应消息，其中所述组ID管理响应消息指示所述至少一个组ID的分配的准入或调整; 以及从所述发射机接收至少一个多用户分组，其中使用MU-MIMO传输来发送所述多用户分组。

公开(公告)号：US08565268B2

公开(公告)日：2013-10-22

申请号：US13265515

申请日：2010-04-29

Applicant: Bong Hoe Kim ,  Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Ki Jun Kim ,  Dong Wook Roh

Inventor： Bong Hoe Kim ,  Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Ki Jun Kim ,  Dong Wook Roh

IPC: H04W56/00

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.

公开(公告)号：US20130258932A1

公开(公告)日：2013-10-03

申请号：US13991822

申请日：2011-10-27

Applicant: Suh Wook Kim ,  Yong Ho Seok ,  Bong Hoe Kim ,  Dae Won Lee

Inventor： Suh Wook Kim ,  Yong Ho Seok ,  Bong Hoe Kim ,  Dae Won Lee

IPC: H04W52/02

CPC classification number: H04W52/0225 ,  H04W8/26 ,  H04W24/00 ,  H04W48/08 ,  H04W52/0229 ,  H04W74/06 ,  H04W84/12 ,  Y02D70/142 ,  Y02D70/21

Abstract: A method for a power save mode operation in a wireless local area network (WLAN) system is provided. The method includes transmitting, by an access point (AP), a traffic indication map (TIM) element that announces existence of buffered traffic, wherein the TIM element includes an association ID (AID) assigned to a buffered STA having the buffered traffic when the buffered station (STA) is associated with the AP; receiving, by the AP, a poll frame for requesting data frame transmission from a candidate STA, wherein the poll frame contains an AID of the candidate STA and a medium access control (MAC) address which is a unique identifying information of the candidate STA; and determining, by the AP, whether the candidate STA is the buffered STA on the basis of the AID and the MAC address of the candidate STA.

Abstract translation: 提供了一种用于无线局域网（WLAN）系统中的省电模式操作的方法。 该方法包括由接入点（AP）发送通知缓冲业务的存在的业务指示映射（TIM）元素，其中，所述TIM元素包括分配给具有缓冲流量的缓冲STA的关联ID（AID） 缓冲站（STA）与AP相关联; 由AP接收用于从候选STA请求数据帧传输的轮询帧，其中轮询帧包含候选STA的AID和作为候选STA的唯一标识信息的介质访问控制（MAC）地址; 以及基于所述候选STA的AID和MAC地址，由所述AP确定所述候选STA是否为所述缓冲STA。

公开(公告)号：US08537909B2

公开(公告)日：2013-09-17

申请号：US12811372

申请日：2009-01-08

Applicant: Bong Hoe Kim ,  Dong Youn Seo ,  Dae Won Lee ,  Ki Jun Kim

Inventor： Bong Hoe Kim ,  Dong Youn Seo ,  Dae Won Lee ,  Ki Jun Kim

IPC: H04L27/28 ,  H04L27/36

CPC classification number: H04L1/1819 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/1893

Abstract: A method for transmitting signals using a hybrid automatic repeat request (HARQ) scheme to guarantee a constellation rearrangement gain having a predetermined level or more is provided. Predetermined code blocks are encoded, sub-block interleaving is performed with respect to the encoded code blocks, and the sub-block interleaved code blocks are transmitted according to redundancy version (RV) start locations of the sub-block interleaved code blocks. The RVs are set such that the order of bit streams modulated by an M-QAM (M>4) scheme is changed upon a retransmission. In addition, the RVs are set such that the RV start locations applied to code blocks having different sizes are different.

Abstract translation: 提供了一种使用混合自动重传请求（HARQ）方案发送信号以保证具有预定级别或更高级别的星座重排增益的方法。 对预定码块进行编码，对编码码块执行子块交织，根据子块交织代码块的冗余版本（RV）开始位置发送子块交错码块。 RV被设置为使得由M-QAM（M> 4）方案调制的比特流的顺序在重传时被改变。 此外，RV被设置为使得应用于具有不同大小的码块的RV起始位置不同。

公开(公告)号：US20130235836A1

公开(公告)日：2013-09-12

申请号：US13885332

申请日：2011-11-14

Applicant: Dong Wook Roh ,  Ill Soo Sohn ,  Kyoung Young Song ,  Dae Won Lee ,  Yong Ho Seok

Inventor： Dong Wook Roh ,  Ill Soo Sohn ,  Kyoung Young Song ,  Dae Won Lee ,  Yong Ho Seok

IPC: H04L1/00

CPC classification number: H04L1/0004 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0031 ,  H04L1/0079 ,  H04L1/0618 ,  H04L1/1685

Abstract: The present invention relates to a method of determining a Modulation and Coding Scheme (MCS) feedback in a Wireless Local Area Network (WLAN) system, including an MCS FeedBack (MFB) responder receiving a first frame, including a request message requesting to send the MFB, from an MFB requester and the MFB responder sending the MFB, including a recommended MCS value, to the MFB requester. The recommended MCS value is derived with reference to at least one of unsolicit type information indicative of a type of the MFB, transmit type information indicative of a transmission type of data, coding type information indicative of a coding scheme applied to the data, a group ID indicative of a group of target stations (STAs) to which the data will be transmitted, and MFB bandwidth information indicative of a bandwidth of a channel.

Abstract translation: 本发明涉及一种在无线局域网（WLAN）系统中确定调制和编码方案（MCS）反馈的方法，包括接收第一帧的MCS反馈（MFB）应答器，包括请求发送 MFB，MFB请求者和MFB响应者向MFB请求者发送MFB，包括推荐的MCS值。 推荐的MCS值是参照表示MFB的类型的非事件型信息，指示数据的传输类型的发送类型信息，表示应用于数据的编码方式的编码类型信息，组 指示要发送数据的一组目标站（STA）的ID以及指示信​​道带宽的MFB带宽信息。

公开(公告)号：US08531641B2

公开(公告)日：2013-09-10

申请号：US13004561

申请日：2011-01-11

Applicant: Dae-Won Lee ,  Kyung-Min Park

Inventor： Dae-Won Lee ,  Kyung-Min Park

IPC: G02F1/1343

CPC classification number: G02F1/134309 ,  G02F1/1339 ,  G02F2001/133388 ,  G02F2001/134318

Abstract: A Liquid Crystal Display (LCD) device and a method of manufacturing the same are provided. The liquid crystal molecules are inclined and rearranged in a radial shape by patterning upper and lower electrodes across and apart from each other on dummy pixels disposed on a black matrix formed in a non-display area of an LCD device and applying an electric field to a liquid crystal layer via the upper and lower electrodes. Thus, ion impurities in the non-display area can be prevented from dispersing to a display area, thereby improving edge part stains of the LCD device. The LCD device includes a first substrate including first pixel electrodes of the dummy pixels; a second substrate facing the first substrate and including first common electrodes formed across and apart from the first pixel electrodes; and a liquid crystal layer disposed between the first substrate and the second substrate, and having liquid crystal molecules rearranged by an electric field applied via the first pixel electrodes and the first common electrodes.

Abstract translation: 提供一种液晶显示器（LCD）装置及其制造方法。 液晶分子通过在设置在LCD装置的非显示区域中的黑矩阵上的虚拟像素上彼此跨越并分离上下电极而倾斜并重新排列，并将电场施加到 液晶层通过上下电极。 因此，可以防止非显示区域中的离子杂质分散到显示区域，从而改善LCD装置的边缘部分污渍。 LCD装置包括：第一基板，包括虚拟像素的第一像素电极; 面向所述第一基板的第二基板，并且包括跨越并与所述第一像素电极分离的第一公共电极; 以及设置在第一基板和第二基板之间的液晶层，并且通过经由第一像素电极和第一公共电极施加的电场重新排列液晶分子。

公开(公告)号：US20130223427A1

公开(公告)日：2013-08-29

申请号：US13880329

申请日：2011-12-27

Applicant: Ill Soo Sohn ,  Yong Ho Seok ,  Jong Hyun Park ,  Dae Won Lee ,  Byeong Woo Kang

Inventor： Ill Soo Sohn ,  Yong Ho Seok ,  Jong Hyun Park ,  Dae Won Lee ,  Byeong Woo Kang

IPC: H04W84/12

CPC classification number: H04B7/0478 ,  H04B7/0617 ,  H04L5/0048 ,  H04W74/06 ,  H04W84/12

Abstract: A method for a channel sounding in a wireless local area network is provided. The method includes transmitting a null data packet announcement (NDPA) frame, to a plurality of receivers, the NDPA frame requesting a channel statement information feedback and announcing that a null data packet (NDP) frame is to be transmitted; transmitting the NDP frame being a basis of channel estimation for the plurality of receivers; receiving a first feedback frame from a first receiver among the plurality of receivers, transmitting a feedback poll frame to a second receiver; and, receiving a second feedback frame from the second receiver, the second feedback frame including second channel state information estimated by the second receiver. If the first receiver fails to perform the channel estimation, the first feedback frame is a null feedback frame. The null feedback frame is a feedback frame not including channel state information.

Abstract translation: 提供了一种用于无线局域网中的信道探测的方法。 该方法包括向多个接收机发送空数据分组公告（NDPA）帧，NDPA帧请求信道语句信息反馈并通知要发送空数据分组（NDP）帧; 发送作为多个接收机的信道估计的基础的NDP帧; 从所述多个接收机中的第一接收机接收第一反馈帧，向第二接收机发送反馈轮询帧; 以及从所述第二接收机接收第二反馈帧，所述第二反馈帧包括由所述第二接收机估计的第二信道状态信息。 如果第一接收机不能执行信道估计，则第一反馈帧是空反馈帧。 空反馈帧是不包括信道状态信息的反馈帧。