公开(公告)号：US08737307B2

公开(公告)日：2014-05-27

申请号：US13518216

申请日：2010-12-22

Applicant: Hyung Tae Kim ,  Han Byul Seo ,  Dae Won Lee

Inventor： Hyung Tae Kim ,  Han Byul Seo ,  Dae Won Lee

IPC: H04W4/00

CPC classification number: H04L25/03343 ,  H04B7/024 ,  H04L5/0032

Abstract: An apparatus for performing coordinated multiple point (CoMP) communication using a precoded sounding reference signal, and a method for same are discussed. The method according to an embodiment of the present invention includes: a base station receiving, from a terminal in a neighboring cell, a sounding reference signal (SRS) precoded by a first matrix; acquiring an effective neighboring channel matrix using a hermitian matrix of the first matrix from the received SRS, and a downstream link channel matrix between the terminal and base station; and determining a precoding matrix to be transmitted to one or more terminals served by the base station on the basis of the effective neighboring channel matrix. Here, the effective neighboring channel matrix indicates a direction toward which a receiving beam should be directed such that the terminal can receive data from a serving base station thereof.

Abstract translation: 使用预编码的探测参考信号进行协调多点（CoMP）通信的装置及其方法进行了讨论。 根据本发明实施例的方法包括：基站从相邻小区中的终端接收由第一矩阵预编码的探测参考信号（SRS）; 使用来自接收到的SRS的第一矩阵的隐性矩阵以及终端和基站之间的下游链路信道矩阵来获取有效的相邻信道矩阵; 以及基于有效的相邻信道矩阵来确定要发送到由基站服务的一个或多个终端的预编码矩阵。 这里，有效的相邻信道矩阵表示接收波束应该被引导的方向，使得终端可以从其服务基站接收数据。

公开(公告)号：US08717904B2

公开(公告)日：2014-05-06

申请号：US13590048

申请日：2012-08-20

Applicant: Dae Won Lee ,  Ki Jun Kim ,  Dong Wook Roh ,  Yu Jin Noh ,  Joon Kui Ahn ,  Jung Hoon Lee

Inventor： Dae Won Lee ,  Ki Jun Kim ,  Dong Wook Roh ,  Yu Jin Noh ,  Joon Kui Ahn ,  Jung Hoon Lee

IPC: H04B7/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0053 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2656 ,  H04L27/2666 ,  H04W24/08 ,  H04W48/12 ,  H04W88/02 ,  H04W88/08

Abstract: A method for efficiently transmitting and receiving control information through a Physical Downlink Control Channel (PDCCH) is provided. When a User Equipment (UE) receives control information through a PDCCH, the received control information is set to be decoded in units of search spaces. Here, the UE monitors a UE-specific search space, among the search spaces. The UE-specific search space is given based on a modulus operation using the variable of Yk for the subframe k and a variable C for the subframe k, wherein Yk is defined by: Yk=(A*Yk−1+B) mod D, the variable C is determined based on the number of CCEs (NCCE) divided by the aggregation level (L), and A, B and D are predetermined constant values predetermined regardless of the aggregation levels (L).

Abstract translation: 提供了一种通过物理下行链路控制信道（PDCCH）高效地发送和接收控制信息的方法。 当用户设备（UE）通过PDCCH接收到控制信息时，所接收的控制信息被设置为以搜索空间为单位进行解码。 这里，UE在搜索空间中监视UE特定的搜索空间。 基于使用子帧k的Yk的变量和子帧k的变量C的模运算给出UE特定的搜索空间，其中Y k由下式定义：Yk =（A * Yk-1 + B）mod D ，根据CCE（NCCE）的数量除以聚合等级（L）来确定变量C，并且A，B和D是预定的预定常数值，而与聚合等级（L）无关。

公开(公告)号：US08713394B2

公开(公告)日：2014-04-29

申请号：US13601144

申请日：2012-08-31

Applicant: Hak Seong Kim ,  Joon Kui Ahn ,  Dae Won Lee

Inventor： Hak Seong Kim ,  Joon Kui Ahn ,  Dae Won Lee

IPC: G06F11/00

CPC classification number: H04L1/1861 ,  H04L1/0004 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/18 ,  H04L1/1812 ,  H04L1/1854 ,  H04L1/1887 ,  H04L5/0057 ,  H04W72/0413 ,  H04W72/042

Abstract: Provided is a method for supporting retransmission in a wireless communication system by user equipment. The method may determine a transmission parameter for initial transmission of uplink data, transmit the uplink data on an uplink channel using the determined transmission parameter, and, for retransmission of the uplink data, perform multiplexing of retransmission data of the uplink data with a channel quality indicator (CQI). A radio resource for the CQI may be determined based on the transmission parameter used in an initial transmission. The method may transmit the multiplexed data on a physical uplink shared channel.

Abstract translation: 提供一种用户设备在无线通信系统中支持重传的方法。 该方法可以确定上行链路数据的初始传输的传输参数，使用确定的传输参数在上行链路信道上发送上行链路数据，并且为了重传上行链路数据，执行具有信道质量的上行链路数据的重传数据的复用 指示符（CQI）。 可以基于在初始传输中使用的传输参数来确定用于CQI的无线电资源。 该方法可以在物理上行链路共享信道上发送多路复用数据。

公开(公告)号：US08681757B2

公开(公告)日：2014-03-25

申请号：US12941974

申请日：2010-11-08

Applicant: Dae Won Lee ,  Dong Wook Roh ,  Byeong Woo Kang ,  Yong Ho Seok ,  Yu Jin Noh ,  Bong Hoe Kim

Inventor： Dae Won Lee ,  Dong Wook Roh ,  Byeong Woo Kang ,  Yong Ho Seok ,  Yu Jin Noh ,  Bong Hoe Kim

IPC: H04W4/00 ,  H04H20/67

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：US08675597B2

公开(公告)日：2014-03-18

申请号：US13320709

申请日：2010-09-08

Applicant: Dae Won Lee ,  Dong Wook Roh ,  Byeong Woo Kang ,  Yong Ho Seok ,  Yu Jin Noh ,  Bong Hoe Kim

Inventor： Dae Won Lee ,  Dong Wook Roh ,  Byeong Woo Kang ,  Yong Ho Seok ,  Yu Jin Noh ,  Bong Hoe Kim

IPC: H04W72/04

CPC classification number: H04B7/0452 ,  H04B7/0671 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L25/0226 ,  H04L25/03343 ,  H04W84/12

Abstract: There is provided a method of transmitting control information in a Wireless Local Area Network (WLAN) system, comprising transmitting first control information by means of cyclic shift delay diversity beam-forming and transmitting second control information. The first control information comprises information necessary for each of a plurality of target stations of the second control information to receive the second control information. The second control information beamformed and transmitted to the plurality of target stations.

Abstract translation: 提供了一种在无线局域网（WLAN）系统中发送控制信息的方法，包括：通过循环移位延迟分集波束形成和发送第二控制信息来发送第一控制信息。 第一控制信息包括用于接收第二控制信息的第二控制信息的多个目标站中的每一个所需的信息。 第二控制信息波束形成并发送到多个目标站。

公开(公告)号：US08634369B2

公开(公告)日：2014-01-21

申请号：US13394669

申请日：2010-09-08

Applicant: Joon Kui Ahn ,  Min Gyu Kim ,  Dae Won Lee ,  Suck Chel Yang ,  Bong Hoe Kim ,  Dong Youn Seo

Inventor： Joon Kui Ahn ,  Min Gyu Kim ,  Dae Won Lee ,  Suck Chel Yang ,  Bong Hoe Kim ,  Dong Youn Seo

IPC: H04W4/00

CPC classification number: H04W52/146 ,  H04B7/0689 ,  H04L5/0055 ,  H04L5/0057 ,  H04W52/325 ,  H04W52/42 ,  H04W72/0413 ,  H04W72/0473 ,  H04W76/27

Abstract: A method and apparatus of controlling transmit power in a wireless communication system is provided. A wireless apparatus selects one transmit mode among a plurality of transmit modes, and determines the transmit power on the basis of the selected transmit mode. The wireless apparatus transmits an uplink channel by using the transmit power.

Abstract translation: 提供了一种在无线通信系统中控制发射功率的方法和装置。 无线装置在多个发送模式中选择一个发送模式，并且基于所选择的发送模式来确定发送功率。 无线装置利用发送功率发送上行信道。

公开(公告)号：US08630242B2

公开(公告)日：2014-01-14

申请号：US12523696

申请日：2008-03-19

Applicant: Dae Won Lee ,  Young Woo Yun ,  Ki Jun Kim ,  Suk Hyon Yoon ,  Joon Kui Ahn ,  Dong Youn Seo ,  Eun Sun Kim

Inventor： Dae Won Lee ,  Young Woo Yun ,  Ki Jun Kim ,  Suk Hyon Yoon ,  Joon Kui Ahn ,  Dong Youn Seo ,  Eun Sun Kim

IPC: H04W4/00 ,  H04W72/00

CPC classification number: H04L5/0053 ,  H04L5/0007 ,  H04L5/0039 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/0058 ,  H04L5/0091 ,  H04L47/10 ,  H04W72/04 ,  H04W72/0406 ,  H04W72/042 ,  H04W72/121 ,  H04W72/1289 ,  H04W88/02

Abstract: A resource allocation method and a method for transmitting resource allocation information in a mobile communication system are disclosed. That is, a LVRB (PRB) and a DVRB which are the units of a scheduling resource are defined and a resource allocation method and a method for transmitting resource allocation information using the same are disclosed. In the LVRB, a part bitmap scheduling method using a LVRB set is suggested and a method for constructing resource allocation information using the same is suggested. In the DVRB, a method for defining the DVRB using PRBs in a subframe is suggested and a method for constructing resource allocation information using the same when scheduling is performed using the DVRB constructed by the defined method is suggested. In order to prevent interference and collision from occurring due to the complete matching of the DVRBs in respective cells, a method using different DVRBs in the respective cells is suggested.

公开(公告)号：US08619693B2

公开(公告)日：2013-12-31

申请号：US13132261

申请日：2009-12-02

Applicant: Yu Jin Noh ,  Dong Wook Roh ,  Joon Kui Ahn ,  Byeong Woo Kang ,  Dae Won Lee ,  Bong Hoe Kim ,  Dong Youn Seo

Inventor： Yu Jin Noh ,  Dong Wook Roh ,  Joon Kui Ahn ,  Byeong Woo Kang ,  Dae Won Lee ,  Bong Hoe Kim ,  Dong Youn Seo

IPC: H04W4/00 ,  H04J11/00 ,  H04K1/10 ,  H04L27/28

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: In a system having a plurality of cells participating in a Coordinated Multi-Point (CoMP) operation, a method for transmitting Reference Signals (RSs) to User Equipment (UE) includes generating, by Base Station (BS) included in each of the plurality of cells, a subframe including RSs for a UE located in the each of the plurality of cells, and transmitting the generated subframe to the UE by the BS. The RSs include RSs for channel measurement, and RSs for data demodulation, the plurality of cells are grouped according to frequency shift values applied to the RSs for channel measurement and RS allocation patterns are determined for two cells among the plurality of cells according to a predetermined rule.

Abstract translation: 在具有参与协调多点（CoMP）操作的多个小区的系统中，用于向用户设备（UE）发送参考信号（RS）的方法包括由基站（BS）包括在多个 的子帧，包括位于多个小区中的每个小区中的UE的RS的子帧，并且由BS发送所生成的子帧到UE。 RS包括用于信道测量的RS和用于数据解调的RS，多个小区根据应用于RS的频移值进行分组，用于信道测量，并且根据预定的多个小区为两个小区中的两个小区确定RS分配模式 规则。

公开(公告)号：US20130301463A1

公开(公告)日：2013-11-14

申请号：US13978847

申请日：2011-11-29

Applicant: Dae Won Lee ,  Yong Ho Seok

Inventor： Dae Won Lee ,  Yong Ho Seok

IPC: H04W48/08

CPC classification number: H04W48/12 ,  H04B7/0452 ,  H04W48/08 ,  H04W48/20 ,  H04W72/042 ,  H04W84/12

Abstract: A method and of transmitting management information, performed by an access point (AP), in a wireless local area network system is provided. The method includes transmitting, to a station, a frame including a BSS load information element, the BSS load element including a multi user (MU) multiple input multiple output (MIMO) capable STA count field and a plurality of bandwidth utilization fields, wherein the MU-MIMO capable STA count field indicates a total number of STAs with MU reception capability currently associated with a candidate BSS managed by the AP and the plurality of bandwidth untilization fields indicate whether a plurality of operating channel width are busy.

Abstract translation: 提供了一种在无线局域网系统中发送由接入点（AP）执行的管理信息的方法和方法。 该方法包括向站点发送包括BSS负载信息元素的帧，所述BSS负载元素包括具有多用户（MU）的具有多输入多输出多输出（MIMO）能力的STA计数字段和多个带宽利用场，其中， 具有MU-MIMO能力的STA计数字段指示当前与由AP管理的候选BSS相关联的具有MU接收能力的STA的总数，并且多个带宽直到字段指示多个操作信道宽度是否正在忙。

公开(公告)号：US08582486B2

公开(公告)日：2013-11-12

申请号：US13131596

申请日：2009-12-09

Applicant: Yu Jin Noh ,  Ki Jun Kim ,  Dae Won Lee ,  Bong Hoe Kim ,  Joon Kui Ahn

Inventor： Yu Jin Noh ,  Ki Jun Kim ,  Dae Won Lee ,  Bong Hoe Kim ,  Joon Kui Ahn

IPC: H04H20/71

CPC classification number: H04L5/0051

Abstract: A method for efficiently providing data and a reference signal (RS) when antennas are added to an existing system is provided. The method includes transmitting an RS in a downlink MIMO system that supports a first user equipment (UE) and a second UE, the first UE recognizing four predetermined transmitting antennas among eight transmitting antennas and the second UE recognizing the eight transmitting antennas, generating a subframe that can be recognized by both the first UE and the second UE and transmitting the generated subframe to the first UE and the second UE, where the first UE and the second UE recognize all orthogonal frequency division multiplexing (OFDM) symbols of the subframe.

Abstract translation: 提供了当将天线添加到现有系统时有效地提供数据和参考信号（RS）的方法。 该方法包括在支持第一用户设备（UE）和第二UE的下行链路MIMO系统中发送RS，第一UE识别八个发送天线中的四个预定发送天线，第二UE识别8个发送天线，生成子帧 可以由第一UE和第二UE识别，并将生成的子帧发送到第一UE和第二UE，其中第一UE和第二UE识别子帧的所有正交频分复用（OFDM）符号。