公开(公告)号：US08553668B2

公开(公告)日：2013-10-08

申请号：US12669441

申请日：2008-08-12

Applicant: Dong Wook Roh ,  Bong Hoe Kim ,  Suk Hyon Yoon ,  Dong Youn Seo ,  Jung Hoon Lee ,  Dae Won Lee ,  Hak Seong Kim ,  Joon Kui Ahn ,  Ki Jun Kim

Inventor： Dong Wook Roh ,  Bong Hoe Kim ,  Suk Hyon Yoon ,  Dong Youn Seo ,  Jung Hoon Lee ,  Dae Won Lee ,  Hak Seong Kim ,  Joon Kui Ahn ,  Ki Jun Kim

IPC: H04B7/216

CPC classification number: H04L1/16 ,  H04B7/0413 ,  H04L5/0053 ,  H04L27/2613 ,  H04W72/02

Abstract: A method of transmitting a signal using code division multiplexing (CDM) in order to reduce the influence of channel estimation error in a multi-input multi-output antenna (MIMO) system using transmit diversity is disclosed. That is, the method of transmitting a signal by a transmitter using a plurality of antennas includes code division multiplexing input symbols using codes according to a predetermined spreading matrix, and transmitting the code division multiplexed symbols via the plurality of antennas according to an Alamouti scheme. At this time, the predetermined spreading matrix is set such that a first component and a second component configuring interference due to channel estimation error have orthogonal phases.

Abstract translation: 公开了一种使用码分复用（CDM）发送信号以便减少使用发射分集的多输入多输出天线（MIMO）系统中的信道估计误差的影响的方法。 也就是说，使用多个天线由发射机发送信号的方法包括使用根据预定扩频矩阵的码的码分复用输入符号，并且根据Alamouti方案经由多个天线发送码分多路复用符号。 此时，预定的扩展矩阵被设置为使得由于信道估计误差而构成干扰的第一分量和第二分量具有正交相位。

公开(公告)号：US08503561B2

公开(公告)日：2013-08-06

申请号：US12458216

申请日：2009-07-02

Applicant: Byoung-Hoon Kim ,  Dae Won Lee ,  Byeongwoo Kang ,  Bong Hoe Kim ,  Yujin Noh

Inventor： Byoung-Hoon Kim ,  Dae Won Lee ,  Byeongwoo Kang ,  Bong Hoe Kim ,  Yujin Noh

IPC: H04B7/02 ,  H04B7/04 ,  H04B7/06 ,  H04B7/08 ,  H04B1/10

CPC classification number: H04W72/042 ,  H04B1/10 ,  H04B7/02 ,  H04B7/0404 ,  H04B7/0682 ,  H04B7/0825 ,  H04B2201/71632 ,  H04B2215/00 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0062

Abstract: A method and apparatus of transmitting a reference signal in a wireless communication system is provided. The method includes generating a precoded reference signal or a non-precoded reference signal in accordance with a rank, and transmitting the generated reference signal. Uplink transmission using multiple transmit antennas is supported through reference signal design and related control signaling.

公开(公告)号：US20130051351A1

公开(公告)日：2013-02-28

申请号：US13695003

申请日：2011-04-25

Applicant: In Kwon Seo ,  Dae Won Lee ,  Joon Kui Ahn

Inventor： In Kwon Seo ,  Dae Won Lee ,  Joon Kui Ahn

IPC: H04W72/04

CPC classification number: H04J11/0056 ,  H04L5/0007 ,  H04L5/006 ,  H04L5/0062 ,  H04L5/0073 ,  H04L5/0078 ,  H04L5/0091 ,  H04W72/0426 ,  H04W72/082 ,  H04W84/045

Abstract: A method of transmitting signals by a first base station in a mobile communication system is disclosed. The present invention comprises transmitting subframe allocation information to a second base station, the subframe allocation information being related to allocating multiple types of subframes; and transmitting the signals on subframes according to the subframe allocation information, wherein the multiple types of subframes includes a first type subframe and a second type subframe, and wherein the transmission of the signals is not limited on the first type subframe, and the transmission of the signals is limited on the second type subframe.

Abstract translation: 公开了一种在移动通信系统中由第一基站发送信号的方法。 本发明包括向第二基站发送子帧分配信息，所述子帧分配信息与分配多种类型的子帧有关; 以及根据所述子帧分配信息在子帧上发送所述信号，其中所述多种类型的子帧包括第一类型子帧和第二类型子帧，并且其中所述信号的发送不限于所述第一类型子帧，并且所述传输 信号在第二类型子帧上被限制。

公开(公告)号：US20130044605A1

公开(公告)日：2013-02-21

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: H04W24/00

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：US20130021898A1

公开(公告)日：2013-01-24

申请号：US13638775

申请日：2011-04-27

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

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

IPC: H04W72/04 ,  H04W8/30

CPC classification number: H04B7/0417 ,  H04B7/0404 ,  H04B7/0486 ,  H04B7/0623 ,  H04L1/0061 ,  H04L1/1822 ,  H04L1/1861 ,  H04L1/1864 ,  H04L1/1887 ,  H04L1/1893 ,  H04L25/03929

Abstract: The present description relates to a wireless communication system, and more particularly, to a method and apparatus for uplink multiple input multiple output (MIMO) transmission. A method for performing an uplink MIMO transmission according to one embodiment of the present invention comprises the following steps: transmitting, from a first subframe, a first data block and a second data block through a first HARQ process and a second HARQ process, respectively; receiving, at a second subframe, uplink scheduling control information on the first data block and control information which indicates inactivation of the second data block; setting HARQ feedback information on the second data block to an ACK state; and performing retransmission of the first data block from a third subframe on the basis of the uplink scheduling control information on the first data block. Retransmission of the second data block may not be performed until uplink scheduling control information on the second data block is received.

Abstract translation: 本发明涉及一种无线通信系统，更具体地，涉及一种用于上行链路多输入多输出（MIMO）传输的方法和装置。 根据本发明的一个实施例的用于执行上行链路MIMO传输的方法包括以下步骤：分别通过第一HARQ进程和第二HARQ进程从第一子帧发送第一数据块和第二数据块; 在第二子帧处接收关于第一数据块的上行链路调度控制信息和指示第二数据块的失活的控制信息; 将所述第二数据块上的HARQ反馈信息设置为ACK状态; 并且基于关于第一数据块的上行链路调度控制信息，从第三子帧执行第一数据块的重传。 在接收到关于第二数据块的上行链路调度控制信息之前，可以不执行第二数据块的再发送。

公开(公告)号：US08351387B2

公开(公告)日：2013-01-08

申请号：US12680619

申请日：2008-10-01

Applicant: Jung Hoon Lee ,  Ki Jun Kim ,  Dae Won Lee ,  Joon Kui Ahn

Inventor： Jung Hoon Lee ,  Ki Jun Kim ,  Dae Won Lee ,  Joon Kui Ahn

IPC: H04W4/00

CPC classification number: H04L1/1854 ,  H04L1/1692 ,  H04L1/1858 ,  H04L5/0053

Abstract: A method for receiving an acknowledgement (ACK)/negative acknowledgement (NAK) signal in an orthogonal frequency division multiplexing (OFDM) communication system is described. The method includes receiving ACK/NAK signals and repetitions of the ACK/NAK signals mapped to one or more OFDM symbols which are allocated for transmission of a plurality of ACK/NAK signals within one sub-frame, and confirming receipt of the ACK/NAK signals. The OFDM symbol for each ACK/NAK signal is determined according to the repetition of the ACK/NAK signals, and frequency regions for the ACK/NAK signals within the OFDM symbols are different from frequency regions for the repetition of the ACK/NAK signals within the OFDM symbols.

Abstract translation: 描述了在正交频分复用（OFDM）通信系统中接收确认（ACK）/否定确认（NAK）信号的方法。 该方法包括接收ACK / NAK信号以及被映射到一个或多个OFDM符号的ACK / NAK信号的重复，这些OFDM符号被分配用于在一个子帧内传输多个ACK / NAK信号，并确认接收到ACK / NAK 信号。 根据ACK / NAK信号的重复确定每个ACK / NAK信号的OFDM符号，并且OFDM符号内的ACK / NAK信号的频率区域不同于用于重复ACK / NAK信号内的ACK / NAK信号的频率区域 OFDM符号。

公开(公告)号：US20120327890A1

公开(公告)日：2012-12-27

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: H04W72/04

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：US20120320819A1

公开(公告)日：2012-12-20

申请号：US13579179

申请日：2011-02-16

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: H04B7/14

CPC classification number: H04B7/15542 ,  H04B7/0417 ,  H04B7/0639 ,  H04L5/0007 ,  H04L25/03343

Abstract: A relay node (RN) apparatus for transmitting and receiving a signal according to a link mode in a wireless communication system and a method thereof are disclosed. A processor transmits or receives a signal to or from at least one of a base station and a terminal based on link mode information. At least one antenna receive the link mode information and transmit or receive the signal to or from at least one of the base station and the user equipment. The link mode information includes information a link mode in which the relay node apparatus will operate.

Abstract translation: 公开了一种用于在无线通信系统中根据链路模式发送和接收信号的中继节点（RN）装置及其方法。 处理器基于链路模式信息向基站和终端中的至少一个发送或接收信号。 至少一个天线接收链路模式信息，并向或从基站和用户设备中的至少一个发送或接收信号。 链路模式信息包括中继节点设备将在其中操作的链路模式的信息。

公开(公告)号：US20120314567A1

公开(公告)日：2012-12-13

申请号：US13578588

申请日：2011-02-11

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

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

IPC: H04W24/04

CPC classification number: H04W24/04

Abstract: A method and apparatus for recovering a backhaul link failure between a base station and a relay node is provided. The relay node receives information on a plurality of relay subframes used for relaying signals between the base station and the relay node. When a backhaul link failure is detected, the relay node determines at least one reserved subframe except the plurality of relay subframes and receives information to recover the backhaul link failure on a control channel in the at least one reserved subframe.

Abstract translation: 提供了一种用于在基站和中继节点之间恢复回程链路故障的方法和装置。 中继节点接收用于在基站和中继节点之间中继信号的多个中继子帧的信息。 当检测到回程链路故障时，中继节点确定除了多个中继子帧之外的至少一个保留子帧，并且接收信息以恢复至少一个保留子帧中的控制信道上的回程链路故障。

公开(公告)号：US20120309426A1

公开(公告)日：2012-12-06

申请号：US13586767

申请日：2012-08-15

Applicant: Dae Won Lee ,  Young Woo Yun ,  Byung Hoon Kim ,  Joon Kui Ahn ,  Ki Jun Kim ,  Bong Hoe Kim

Inventor： Dae Won Lee ,  Young Woo Yun ,  Byung Hoon Kim ,  Joon Kui Ahn ,  Ki Jun Kim ,  Bong Hoe Kim

IPC: H04W64/00

CPC classification number: H04L27/2655 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0092 ,  H04L25/0204 ,  H04L25/0216 ,  H04L25/0228 ,  H04L27/2613 ,  H04L27/2657 ,  H04W64/00

Abstract: A method for allowing a mobile station to detect a Location Based Service-Reference Signal (LBS-RS) in a wireless communication system is disclosed. The method includes receiving LBS-RS setup information of at least one target cell participating in location measurement from a serving cell, acquiring a frequency offset value of the target cell using the LBS-RS setup information, and detecting the LBS-RS transmitted from the target cell using the LBS-RS setup information and the frequency offset value. In addition, the method further includes measuring a reception delay time of the detected LBS-RS, and transmitting a reception delay time to the serving cell.

Abstract translation: 公开了一种允许移动台在无线通信系统中检测基于位置的服务参考信号（LBS-RS）的方法。 该方法包括从服务小区接收参与位置测量的至少一个目标小区的LBS-RS建立信息，使用LBS-RS建立信息获取目标小区的频率偏移值，并且检测从所述LBS-RS建立信息发送的LBS-RS 目标单元使用LBS-RS设置信息和频率偏移值。 此外，该方法还包括测量检测到的LBS-RS的接收延迟时间，并向接收小区发送接收延迟时间。