公开(公告)号：US08548406B2

公开(公告)日：2013-10-01

申请号：US12773439

申请日：2010-05-04

Applicant: Hyunsoo Ko ,  Moon Il Lee ,  Jaho Koo ,  Jae Hoon Chung ,  Bin Chul Ihm

Inventor： Hyunsoo Ko ,  Moon Il Lee ,  Jaho Koo ,  Jae Hoon Chung ,  Bin Chul Ihm

IPC: H01Q11/12

CPC classification number: H04L5/0023 ,  H04B7/0413 ,  H04L5/0048 ,  H04L5/0058 ,  H04W52/146 ,  H04W52/325

Abstract: A method of transmitting an uplink reference signal in a multiple antenna system is provided. A user equipment transmits a first sounding reference signal for uplink channel measurement on a first antenna by using at least one power amplifier among a plurality of power amplifiers, and transmits a second sounding reference signal for uplink channel measurement on a second antenna by using the at least one power amplifier, wherein the first sounding reference signal and the second sounding reference signal are transmitted using different time regions when using one power amplifier, and the first sounding reference signal and the second sounding reference signal are transmitted using different time regions or different frequency regions when using the plurality of power amplifiers.

Abstract translation: 提供了一种在多天线系统中发送上行链路参考信号的方法。 用户设备通过使用多个功率放大器中的至少一个功率放大器，在第一天线上发送用于上行链路信道测量的第一探测参考信号，并且通过使用在第二天线上的第二天线在第二天线上发送用于上行链路信道测量的第二探测参考信号 至少一个功率放大器，其中当使用一个功率放大器时，使用不同的时间区域发射第一探测参考信号和第二探测参考信号，并且使用不同的时间区域或不同的频率来发射第一探测参考信号和第二探测参考信号 使用多个功率放大器时的区域。

公开(公告)号：US08526538B2

公开(公告)日：2013-09-03

申请号：US12704483

申请日：2010-02-11

Applicant: Moon II Lee ,  Wook Bong Lee ,  Jae Hoon Chung ,  Hyun Soo Ko ,  Bin Chul Ihm

Inventor： Moon II Lee ,  Wook Bong Lee ,  Jae Hoon Chung ,  Hyun Soo Ko ,  Bin Chul Ihm

IPC: H04L27/00

CPC classification number: H04B7/0691 ,  H04B7/0404 ,  H04B7/0465 ,  H04B7/0469 ,  H04B7/0486 ,  H04B7/063 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03426

Abstract: A method for a user equipment to precode and transmit an uplink signal efficiently in a 4-antenna system and a method for a base station to receive the transmitted signal efficiently are disclosed. Four antennas of a user equipment can be grouped by a 2-antenna unit. In consideration of this antenna group, it is able to perform precoding using antenna selection/DFT matrix of the antenna group unit. Moreover, a rank-3 codebook can be configured to include a precoding matrix of a type in consideration of power balance per antenna and a precoding matrix including one non-zero component only in one row for maintaining a good CM property.

公开(公告)号：US20130223350A1

公开(公告)日：2013-08-29

申请号：US13882122

申请日：2011-10-26

Applicant: Ji Won Kang ,  Jin Young Chun ,  Su Nam Kim ,  Bin Chul Ihm ,  Sung Ho Park

Inventor： Ji Won Kang ,  Jin Young Chun ,  Su Nam Kim ,  Bin Chul Ihm ,  Sung Ho Park

IPC: H04W8/24

CPC classification number: H04W8/245 ,  H04B7/024 ,  H04B7/068 ,  H04W48/08 ,  H04W52/143

Abstract: Provided is a method for transmitting a signal in a multi-node system including a plurality of nodes, and a base station connected to each of the plurality of nodes for controlling the nodes. The method comprises the following steps: transmitting first node-setting information to a first terminal; transmitting second node-setting information to a second terminal; transmitting a signal to the first terminal through a first node group; and transmitting a signal to the second terminal through a second node group, wherein the first node-setting information and the second node-setting information include system parameters which are set differently for each terminal, and the first node group is determined on the basis of the first node-setting information, and the second node group is determined on the basis of the second node-setting information.

Abstract translation: 提供了一种用于在包括多个节点的多节点系统中发送信号的方法，以及连接到多个节点中的每一个以控制节点的基站。 该方法包括以下步骤：将第一节点设置信息发送到第一终端; 向第二终端发送第二节点设置信息; 通过第一节点组向第一终端发送信号; 以及通过第二节点组向第二终端发送信号，其中第一节点设置信息和第二节点设置信息包括为每个终端设置不同的系统参数，并且基于 基于第二节点设置信息来确定第一节点设置信息和第二节点组。

公开(公告)号：US20130195080A1

公开(公告)日：2013-08-01

申请号：US13879310

申请日：2011-10-12

Applicant: Ji Won Kang ,  Bin Chul Ihm ,  Su Nam Kim ,  Jin Young Chun ,  Sung Ho Park

Inventor： Ji Won Kang ,  Bin Chul Ihm ,  Su Nam Kim ,  Jin Young Chun ,  Sung Ho Park

IPC: H04B7/04

CPC classification number: H04B7/0456 ,  H04B7/024 ,  H04B7/0486 ,  H04B7/063 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/0031 ,  H04L1/06

Abstract: Provided are a method and apparatus for transmitting a signal of a multi-node system employing a plurality of nodes distributed geographically and a base station that can be controlled by being connected with each of the plurality of nodes. The method includes: mapping a plurality of codewords to a plurality of streams; mapping the plurality of streams to at least one node among the plurality of nodes; performing multiple input multiple output (MIMO) precoding to map the streams mapped to the at least one node to at least one transmit antennas; and transmitting a signal subjected to the MIMO precoding to a user equipment.

Abstract translation: 提供了一种用于发送采用分布在地理上的多个节点的多节点系统的信号的方法和装置，以及可以通过与多个节点中的每一个节点连接来控制的基站。 该方法包括：将多个码字映射到多个流; 将所述多个流映射到所述多个节点中的至少一个节点; 执行多输入多输出（MIMO）预编码以将映射到所述至少一个节点的流映射到至少一个发射天线; 以及将经过MIMO预编码的信号发送到用户设备。

公开(公告)号：US08498232B2

公开(公告)日：2013-07-30

申请号：US12810622

申请日：2008-12-24

Applicant: Wook Bong Lee ,  Ja Ho Koo ,  Sung Ho Moon ,  Jin Sam Kwak ,  Bin Chul Ihm ,  Dong Cheol Kim

Inventor： Wook Bong Lee ,  Ja Ho Koo ,  Sung Ho Moon ,  Jin Sam Kwak ,  Bin Chul Ihm ,  Dong Cheol Kim

IPC: H04H20/71

CPC classification number: H04B7/2643

Abstract: A method of transmitting data in a wireless communication system includes preparing a frame including a unicast subframe for unicast data and an MBS (Multicast and Broadcast Service) subframe for MBS data; and transmitting the unicast data and the MBS data via the frame, wherein the MBS subframe includes an idle time during which data is not carried, and the idle time is arranged to be at the temporally latest position in the MBS subframe. An MBS frame structure for using an appropriate CP with respect to MBS signals transmitted from multi-cell is provided, so an unnecessary idle time can be reduced, and thus, the efficiency of limited radio resources can be improved.

Abstract translation: 一种在无线通信系统中发送数据的方法包括准备包括用于单播数据的单播子帧和用于MBS数据的MBS（组播和广播业务）子帧的帧; 以及经由所述帧发送所述单播数据和所述MBS数据，其中，所述MBS子帧包括不携带数据的空闲时间，并且所述空闲时间被布置为处于MBS子帧中的时间上最新的位置。 提供了一种用于对从多小区发送的MBS信号使用适当的CP的MBS帧结构，因此可以减少不必要的空闲时间，从而可以提高有限的无线电资源的效率。

公开(公告)号：US08457235B2

公开(公告)日：2013-06-04

申请号：US12666612

申请日：2008-06-25

Applicant: Hyun Soo Ko ,  Bin Chul Ihm ,  Jin Young Chun ,  Wook Bong Lee ,  Jae Hoon Chung ,  Sung Ho Park ,  Jin Hyuk Jung ,  Moon Il Lee

Inventor： Hyun Soo Ko ,  Bin Chul Ihm ,  Jin Young Chun ,  Wook Bong Lee ,  Jae Hoon Chung ,  Sung Ho Park ,  Jin Hyuk Jung ,  Moon Il Lee

IPC: H04B7/02 ,  H04B7/00

CPC classification number: H04L1/0026 ,  H04B7/0413 ,  H04B7/0639 ,  H04B7/0656 ,  H04B7/0689 ,  H04L1/0025 ,  H04L1/0027 ,  H04L1/0029 ,  H04L1/0035 ,  H04L1/0073 ,  H04L1/0625 ,  H04L5/005 ,  H04L5/0053 ,  H04L25/03343 ,  H04L2025/03802

Abstract: A method of transmitting feedback data in a multiple antenna system includes generating feedback data based on the channel information and transmitting the feedback data at transmission periods, wherein the feedback data is transmitted in a plurality of report types respectively having a different control signal type contained depending on the transmission periods.

Abstract translation: 一种在多天线系统中发送反馈数据的方法包括基于信道信息生成反馈数据并在传输周期发送反馈数据，其中反馈数据以分别具有不同控制信号类型的多个报告类型发送， 在传输期间。

公开(公告)号：US08451945B2

公开(公告)日：2013-05-28

申请号：US12373515

申请日：2007-07-13

Applicant: Hyun Soo Ko ,  Bin Chul Ihm ,  Jin Young Chun

Inventor： Hyun Soo Ko ,  Bin Chul Ihm ,  Jin Young Chun

IPC: H04L27/00

CPC classification number: H04B7/12 ,  H04B7/0671 ,  H04L1/04 ,  H04L1/06 ,  H04L27/2602 ,  H04L27/2626

Abstract: A method and apparatus for transmitting data having time diversity and data having time-frequency diversity, and a pattern generating method for the same are disclosed. The apparatus enables Tx data to have time diversity or time frequency diversity using a predetermined pattern multiplied by Tx data of a time domain or Tx data of time and frequency domains. The apparatus makes a cyclic delay diversity (CDD) scheme to have the diversity of time and frequency domains, and may acquire an additional diversity gain by a combination of the above-mentioned methods.

Abstract translation: 公开了一种用于发送具有时间分集的数据和具有时间 - 频率分集的数据的方法和装置，以及用于其的模式生成方法。 该装置使得Tx数据能够使用与时域的Tx数据或时域和频域的Tx数据相乘的预定模式来具有时间分集或时间分集。 该装置使得循环延迟分集（CDD）方案具有时域和频域的分集，并且可以通过上述方法的组合获得附加的分集增益。

公开(公告)号：US08432992B2

公开(公告)日：2013-04-30

申请号：US12733263

申请日：2008-11-04

Applicant: Jae Wan Kim ,  Bin Chul Ihm ,  Jin Young Chun ,  Jin Hyuk Jung ,  Moon Il Lee

Inventor： Jae Wan Kim ,  Bin Chul Ihm ,  Jin Young Chun ,  Jin Hyuk Jung ,  Moon Il Lee

IPC: H04B7/02

CPC classification number: H04B7/0426 ,  H04B7/0639

Abstract: A method for transmitting feedback information in a codebook-based multiple-input multiple-output (MIMO) system is disclosed. To transmit the feedback information, a signal is received to discern channel characteristics of the received signal, and a codebook is updated using an extended matrix including a plurality of vector components and using previous feedback information. Feedback information is selected for transmission from the updated codebook in consideration of the channel characteristics of the received signal.

Abstract translation: 公开了一种在基于码本的多输入多输出（MIMO）系统中发送反馈信息的方法。 为了发送反馈信息，接收信号以辨别接收信号的信道特性，并且使用包括多个向量分量并使用先前的反馈信息的扩展矩阵来更新码本。 考虑到接收信号的信道特性，选择反馈信息以从更新的码本传输。

公开(公告)号：US08432819B2

公开(公告)日：2013-04-30

申请号：US12441454

申请日：2007-10-31

Applicant: Jin Young Chun ,  Bin Chul Ihm ,  Wook Bong Lee ,  Jae Won Chang ,  Moon Il Lee

Inventor： Jin Young Chun ,  Bin Chul Ihm ,  Wook Bong Lee ,  Jae Won Chang ,  Moon Il Lee

IPC: H04L27/28

CPC classification number: H04B7/0658 ,  H04B7/0636 ,  H04B17/24 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/1671

Abstract: There is provided a method for enabling a user equipment to transmit feedback information. The method includes generating feedback data representing the feedback information, the feedback data expressed by a binary number having N bits, where N is an integer, the N bits comprising 2 levels, the feedback information represented by one of the 2 levels, wherein different types of the feedback information are assigned to different levels and transmitting the feedback data. Overheads incurred by transmission of feedback information can be reduced.

Abstract translation: 提供了一种使得用户设备能够发送反馈信息的方法。 该方法包括产生表示反馈信息的反馈数据，由具有N位的二进制数表示的反馈数据，其中N是整数，N位包括2个电平，由2个电平之一表示的反馈信息，其中不同类型 的反馈信息被分配给不同的级别并且传送反馈数据。 可以减少传输反馈信息所产生的开销。

公开(公告)号：US08391380B2

公开(公告)日：2013-03-05

申请号：US12676132

申请日：2008-09-03

Applicant: Jin Young Chun ,  Bin Chul Ihm ,  Hyun Soo Ko ,  Sung Ho Park ,  Sunam Kim

Inventor： Jin Young Chun ,  Bin Chul Ihm ,  Hyun Soo Ko ,  Sung Ho Park ,  Sunam Kim

IPC: H04K1/10 ,  H04L27/28

CPC classification number: H04L1/08 ,  H04L1/0003 ,  H04L27/2614 ,  H04L27/2615 ,  H04L27/2621

Abstract: A method of transmitting data in a wireless communication system is provided. The method includes generating duplicate data by using repetition coding, the duplicate data being the same as original data, shifting the phase of the duplicate data, and transmitting the original data and the phase-shifted duplicate data. The duplicate data is mapped to a modulation symbol having a different size or phase as that of the original data, thus to reduce the PAPR unlike the general repetition coding.

Abstract translation: 提供了一种在无线通信系统中发送数据的方法。 该方法包括使用重复编码产生重复数据，重复数据与原始数据相同，移动重复数据的相位，以及发送原始数据和相移重复数据。 复制数据被映射到具有与原始数据不同的大小或相位的调制符号，从而与普通重复编码不同，减少PAPR。