公开(公告)号：US08553614B2

公开(公告)日：2013-10-08

申请号：US12448677

申请日：2008-03-28

Applicant: Jin Young Chun ,  Bin Chul Ihm ,  Wook Bong Lee ,  Moon Il Lee ,  Hyun Soo Ko

Inventor： Jin Young Chun ,  Bin Chul Ihm ,  Wook Bong Lee ,  Moon Il Lee ,  Hyun Soo Ko

IPC: H04W4/20

CPC classification number: H04L1/0029 ,  H04L1/0027 ,  H04L5/0042 ,  H04L5/0044 ,  H04L5/006

Abstract: A method of transmitting channel quality indicator (CQI) includes obtaining CQI of each, of the plurality of sub-bands, selecting a first sub-band having the best CQI of the plurality of sub-bands, transmitting the best CQI of the first sub-band at a first transmission cycle and transmitting a difference value between the best CQI of the first sub-band and a CQI of the first sub-band at a second transmission cycle. Signalling overhead due to CQI transmission can be reduced.

Abstract translation: 发送信道质量指示符（CQI）的方法包括获得多个子带中的每一个的CQI，选择具有多个子带中最佳CQI的第一子带，发送第一子带的最佳CQI 在第一传输周期发送第一子带的最佳CQI和第一子带的CQI之间的差值，并以第二传输周期发送。 可以减少由CQI传输引起的信令开销。

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：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：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：US08406185B2

公开(公告)日：2013-03-26

申请号：US12683275

申请日：2010-01-06

Applicant: Dong Cheol Kim ,  Han Gyu Cho ,  Wook Bong Lee ,  Jin Soo Choi

Inventor： Dong Cheol Kim ,  Han Gyu Cho ,  Wook Bong Lee ,  Jin Soo Choi

IPC: H04W4/00 ,  H04B7/208 ,  H04B15/00 ,  H04K1/10 ,  H04J11/00

CPC classification number: H04L5/0048 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/0069 ,  H04W48/08 ,  H04W72/00

Abstract: An apparatus for transmitting a pilot and method thereof are disclosed, by which a pilot can be efficiently transmitted in a wireless communication system. The present invention, in which the resource unit is transmitted by a base station in a wireless communication system, includes forming the resource unit including a plurality of pilot resource elements (REs) and a plurality of data resource elements, allocating a plurality of pilot pairs to have a prescribed subcarrier interval and a prescribed OFDM (orthogonal frequency division multiplexing) symbol interval within the resource unit, and transmitting the resource unit to a user equipment via multi-antenna, wherein each of a plurality of the pilot pairs includes individual pilots for two different streams or antennas.

Abstract translation: 公开了用于发送导频的装置及其方法，通过该装置可以在无线通信系统中有效地发送导频。 在无线通信系统中由基站发送资源单元的本发明包括形成包括多个导频资源元素（RE）和多个数据资源元素的资源单元，分配多个导频对 在资源单元内具有规定的子载波间隔和规定的OFDM（正交频分复用）符号间隔，并且经由多天线将资源单元发送到用户设备，其中多个导频对中的每一个包括个体导频 两个不同的流或天线。

公开(公告)号：US20130034030A1

公开(公告)日：2013-02-07

申请号：US13642092

申请日：2011-04-21

Applicant: Jin Young Chun ,  Jin Sam Kwak ,  Jin Soo Choi ,  Bin Chul Ihm ,  Wook Bong Lee

Inventor： Jin Young Chun ,  Jin Sam Kwak ,  Jin Soo Choi ,  Bin Chul Ihm ,  Wook Bong Lee

IPC: H04J11/00 ,  H04W88/02

CPC classification number: H04B7/15542 ,  H04L1/1854 ,  H04L1/1861 ,  H04L1/1887 ,  H04L1/1893 ,  H04L5/0055 ,  H04L5/0094 ,  H04L5/143 ,  H04L2001/0097 ,  H04W72/04 ,  H04W84/047

Abstract: A method and apparatus of communicating by a relay station a wireless communication system including a relay station is provided. The method include communicating with at least one of a base station and a user equipment through a frequency division duplex (FDD) uplink (UL) frame configured by the base station, the FDD UL frame including a UL relay zone including a plurality of UL subframes and a UL access zone including a plurality of UL subframes. The UL relay zone is a sector used for the relay station to transmit a signal to the base station, and the UL access zone is a sector used for the relay station to receive a signal from the user equipment. The UL relay zone is located before the UL access zone within the FDD UL frame.

Abstract translation: 提供了一种由中继站与包括中继站的无线通信系统进行通信的方法和装置。 该方法包括通过由基站配置的频分双工（FDD）上行链路（UL）帧与基站和用户设备中的至少一个进行通信，该FDD UL帧包括包括多个UL子帧的UL中继区 以及包括多个UL子帧的UL接入区。 UL中继区是用于中继站向基站发送信号的扇区，UL接入区是用于中继站从用户设备接收信号的扇区。 UL中继区位于FDD UL帧内的UL接入区之前。

公开(公告)号：US08358619B2

公开(公告)日：2013-01-22

申请号：US12664375

申请日：2009-07-27

Applicant: Han Gyu Cho ,  Jin Soo Choi ,  Jong Young Han ,  Jin Sam Kwak ,  Wook Bong Lee ,  Dong Cheol Kim

Inventor： Han Gyu Cho ,  Jin Soo Choi ,  Jong Young Han ,  Jin Sam Kwak ,  Wook Bong Lee ,  Dong Cheol Kim

IPC: H04W4/00 ,  H04J1/00

CPC classification number: H04L5/0007 ,  H04L5/0032 ,  H04L5/0042 ,  H04L5/006 ,  H04L5/0066 ,  H04L5/0073 ,  H04W72/0426 ,  H04W72/082

Abstract: A method for transmitting signal, at a mobile station, in a wireless communication system is provided. Inter-cell interference information may be different for each frequency partition according to using a FFR scheme. Also, a parameter for controlling interference level between base stations may be different for each frequency partition. The present invention is advantageous in that, when uplink transmission is performed, system throughput and cell edge-user throughput are improved and inter-cell interference level control is efficiently performed.

Abstract translation: 提供了一种在无线通信系统中在移动站发送信号的方法。 根据使用FFR方案，每个频率分区的小区间干扰信息可以不同。 此外，用于控制基站之间的干扰电平的参数对于每个频率分区可以是不同的。 本发明的优点在于，当执行上行链路传输时，提高了系统吞吐量和小区边缘用户吞吐量，并且有效地执行了小区间干扰级别控制。

公开(公告)号：US08311139B2

公开(公告)日：2012-11-13

申请号：US13347458

申请日：2012-01-10

Applicant: Jin Soo Choi ,  Han Gyu Cho ,  Bin Chul Ihm ,  Wook Bong Lee

Inventor： Jin Soo Choi ,  Han Gyu Cho ,  Bin Chul Ihm ,  Wook Bong Lee

IPC: H04L27/28

CPC classification number: H04L5/0023 ,  H04L5/0048 ,  H04L5/005

Abstract: A method for allocating pilot subcarriers in a resource block for a wideband wireless mobile communication system using an orthogonal frequency division multiplexing (OFDMA) modulation is discussed. In this method, pilot subcarriers are allocated in the resource block so that a group of consecutive data subcarriers separated from adjacent other group of consecutive data subcarriers by the pilot subcarriers has even number of subcarriers within an OFDMA symbol.

Abstract translation: 讨论了使用正交频分复用（OFDMA）调制在宽带无线移动通信系统的资源块中分配导频子载波的方法。 在该方法中，在资源块中分配导频子载波，使得由导频子载波与相邻的其他连续数据子载波组分离的连续数据副载波组在OFDMA符号内具有偶数子载波。

公开(公告)号：US08295193B2

公开(公告)日：2012-10-23

申请号：US12525804

申请日：2008-02-05

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

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

IPC: G01R31/08 ,  H04K1/10

CPC classification number: H04B7/0417 ,  H04B7/0632 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/066 ,  H04L1/0003 ,  H04L1/0027

Abstract: A method for efficiently transmitting and receiving feedback information is disclosed. A cluster size as a unit for computing the feedback information and a reporting period of the feedback information are not uniformly determined by a base station. Information about a downlink channel status of each user equipment is reported, the cluster size and feedback period for computing and reporting the feedback information are determined using the information about the downlink channel status of each user equipment, and the feedback information is transmitted/received, thereby improving system capability.

Abstract translation: 公开了一种有效地发送和接收反馈信息的方法。 作为用于计算反馈信息的单元的集群大小和反馈信息的报告周期不是由基站均匀地确定的。 报告关于每个用户设备的下行链路信道状态的信息，使用关于每个用户设备的下行链路信道状态的信息来确定用于计算和报告反馈信息的集群大小和反馈周期，并且反馈信息被发送/接收， 从而提高系统能力。