公开(公告)号：US08532217B2

公开(公告)日：2013-09-10

申请号：US13462731

申请日：2012-05-02

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

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

IPC: H04B7/02

CPC classification number: H04B7/0413

Abstract: A method of sending data in a multiple antenna system includes the steps of generating a transmission signal by applying channel-dependent precoding to a first antenna cluster and a second antenna cluster, each comprising a plurality of antennas, wherein the channel-dependent precoding is performed by a precoding weight matrix in which a precoding weight for each of the antenna clusters has a block diagonal form and the precoding weight is represented by P×V for a number of transmission antennas P, included in each of the antenna clusters, and a number of layers V applied to each of the antenna clusters (P and V are an integer greater than 0) and sending the transmission signal.

Abstract translation: 在多天线系统中发送数据的方法包括以下步骤：通过对第一天线簇和第二天线簇应用与频道相关的预编码来产生发射信号，每个天线簇包括多个天线，其中执行与频道相关的预编码 通过预编码权重矩阵，其中每个天线簇的预编码权重具有块对角线形式，并且对于包括在每个天线簇中的多个发射天线P，并且预编码权重由P×V表示，并且数字 的层V施加到每个天线簇（P和V是大于0的整数）并发送发送信号。

公开(公告)号：US08520601B2

公开(公告)日：2013-08-27

申请号：US13322134

申请日：2010-05-26

Applicant: Hyun Soo Ko ,  Moon Il Lee ,  Bin Chul Ihm ,  Jae Hoon Chung

Inventor： Hyun Soo Ko ,  Moon Il Lee ,  Bin Chul Ihm ,  Jae Hoon Chung

IPC: H04B7/02 ,  H04W4/00

CPC classification number: H04B7/0654 ,  H04B7/0689

Abstract: The present invention relates to a wireless communication system, and discloses a method and apparatus for acquiring antenna information. According to the present invention, a method in which user equipment acquires information of a transmission antenna of an eNB comprises the steps of: receiving a physical broadcast channel (PBCH) including information which indicates whether or not the eNB supports an extended transmission antenna configuration; decoding the received physical broadcast channel, and checking the transmission modes of the physical broadcast channel; and acquiring information of the transmission antenna of the eNB from one or more of the transmission modes checked in the previous step and information which indicates whether or not the eNB supports an extended transmission antenna configuration.

Abstract translation: 本发明涉及一种无线通信系统，并且公开了一种用于获取天线信息的方法和装置。 根据本发明，用户设备获取eNB的发送天线的信息的方法包括以下步骤：接收包括指示eNB是否支持扩展发送天线配置的信息的物理广播信道（PBCH）; 解码接收的物理广播信道，并检查物理广播信道的传输模式; 以及从前一步骤中检查的传输模式中的一个或多个获取eNB的发送天线的信息以及指示eNB是否支持扩展发送天线配置的信息。

公开(公告)号：US08520598B2

公开(公告)日：2013-08-27

申请号：US13000546

申请日：2009-06-05

Applicant: Hyun Soo Ko ,  Seung Hee Han ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Moon Il Lee

Inventor： Hyun Soo Ko ,  Seung Hee Han ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Moon Il Lee

IPC: H04W4/00 ,  H04L27/00

CPC classification number: H04B7/0689 ,  H04B7/0669 ,  H04B7/0671 ,  H04B7/0691 ,  H04L1/0606 ,  H04L1/0625 ,  H04L1/0668

Abstract: An apparatus for transmitting data includes a data processing unit for generating a data symbol by channel-coding and constellation-mapping on information bits, a Discrete Fourier Transform (DFT) unit for generating a frequency domain symbol by performing DFT on the data symbols, a Multiple-Input Multiple-Output (MIMO) processing unit for generating a first transmission symbol by applying a first transmission diversity scheme to the frequency domain symbol and generating a second transmission symbol by applying a second transmission diversity scheme to the first transmission symbol, a Single Carrier-Frequency Division Multiple Access (SC-FDMA) modulation unit for generating an SC-FDMA symbol by performing Inverse Fast Fourier Transform (IFFT) on the first transmission symbol and the second transmission symbol, and a plurality of transmission antennas for sending the SC-FDMA symbol.

Abstract translation: 一种用于发送数据的装置包括：数据处理单元，用于通过对信息比特的信道编码和星座映射来生成数据符号;离散傅立叶变换（DFT）单元，用于通过对数据符号执行DFT来产生频域符号; 多输入多输出（MIMO）处理单元，用于通过将第一传输分集方案应用于频域符号并通过向第一传输符号应用第二传输分集方案来生成第二传输符号来产生第一传输符号; 用于通过在第一传输符号和第二传输符号上执行快速傅立叶逆变换（IFFT）来产生SC-FDMA符号的载波频分多址（SC-FDMA）调制单元和用于发送SC的多个发射天线 -FDMA符号。

公开(公告)号：US08509209B2

公开(公告)日：2013-08-13

申请号：US12936902

申请日：2009-04-16

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

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

IPC: H04J1/00 ,  H04J4/00

CPC classification number: H04L1/0028 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/1607 ,  H04L5/003

Abstract: A method for transmitting a band bitmap in a wireless communication system is provided. The method includes selecting at least one selection band from a plurality of bands, the plurality of bands being distributed throughout a whole frequency band, grouping the plurality of bands into a plurality of band groups, setting a primary bitmap for each band group according to whether the selection band is included in each band group and setting a secondary bitmap for bands in each band group, and transmitting the primary bitmap and the secondary bitmap. Radio resources used to transmit a band bitmap can be reduced by decreasing the number of bits of the band bitmap.

Abstract translation: 提供了一种用于在无线通信系统中发送频带位图的方法。 该方法包括从多个频带中选择至少一个选择频带，多个频带分布在整个频带上，将多个频段分组成多个频带组，根据是否为每个频带组设置主要位图 选择频带被包括在每个频带组中，并且为每个频带组中的频带设置辅助位图，并且发送主位图和辅助位图。 可以通过减少频带位图的位数来减少用于发送频带位图的无线电资源。

公开(公告)号：US20130195034A1

公开(公告)日：2013-08-01

申请号：US13642498

申请日：2011-04-20

Applicant: Min Seok Noh ,  Moon Il Lee ,  Seung Hee Han ,  Jae Hoon Chung

Inventor： Min Seok Noh ,  Moon Il Lee ,  Seung Hee Han ,  Jae Hoon Chung

IPC: H04W72/04

CPC classification number: H04W72/0466 ,  H04L5/0053 ,  H04L27/2611

Abstract: Disclosed are a method and device for transmitting a reference signal in a wireless communication system. A base station: maps each demodulation reference signal (DMRS) of each of a plurality of layers into a first resource element (RE) set and a second resource element set including four resource elements over four orthogonal frequency division multiplexing (OFDM) symbols within a subframe; allocates first orthogonal cover codes (OCCs) having a length of 4 to each DMRS mapped into said first resource element set; allocates second OCCs having a length of 4 to each DMRS mapped into said second resource element set; and transmits each DMRS mapped into said first resource element set and said second resource element set. Said subframe includes two slots, and each slot includes six OFDM symbols. Said second OCC are formed by respectively swapping positions of bits that constitute said first OCCs.

Abstract translation: 公开了一种用于在无线通信系统中发送参考信号的方法和装置。 基站：将多个层中的每一个的每个解调参考信号（DMRS）映射到第一资源元素（RE）集合中的第二资源元素集合和包括四个正交频分复用（OFDM）符号内的四个资源元素的第二资源元素集合 子帧 向映射到所述第一资源元素集合的每个DMRS分配具有长度为4的第一正交覆盖码（OCC）; 向映射到所述第二资源元素集合的每个DMRS分配长度为4的第二OCC; 并发送映射到所述第一资源元素集合和所述第二资源元素集合中的每个DMRS。 所述子帧包括两个时隙，并且每个时隙包括六个OFDM符号。 所述第二OCC通过分别交换构成所述第一OCC的位的位置而形成。

公开(公告)号：US08493836B2

公开(公告)日：2013-07-23

申请号：US12825252

申请日：2010-06-28

Applicant: Dae Won Lee ,  Moon Il Lee

Inventor： Dae Won Lee ,  Moon Il Lee

IPC: H04J11/00 ,  H04B7/208 ,  H03C7/02 ,  H04L27/00

CPC classification number: H04L25/03343 ,  H04L1/0656 ,  H04L5/0023 ,  H04L27/2615 ,  H04L27/2636

Abstract: A method for transmitting and receiving uplink signals using an optimized rank 3 codebook is disclosed. The optimized rank 3 codebook includes 12 precoding matrix groups, which are consisted of 6 Tx antenna power balanced precoding matrix groups and 6 layer power balanced precoding matrix groups. Preferably, the optimized 4Tx rank 3 codebook has 20 precoding matrix, two precoding matrixes are selected from each the 6 Tx antenna power balanced precoding matrix groups, considering chordal distance and the number of precoding matrix. And then 8 precoding matrices are selected from the layer balanced precoding matrix groups.

Abstract translation: 公开了一种使用优化的3级码本发送和接收上行链路信号的方法。 优化级3码本包括12个预编码矩阵组，由6个Tx天线功率平衡预编码矩阵组和6层功率平衡预编码矩阵组组成。 优选地，优化的4Tx等级3码本具有20个预编码矩阵，考虑到弦距离和预编码矩阵的数量，从6个Tx天线功率平衡预编码矩阵组中选出两个预编码矩阵。 然后从层平衡预编码矩阵组中选择8个预编码矩阵。

公开(公告)号：US08488537B2

公开(公告)日：2013-07-16

申请号：US12673484

申请日：2008-08-14

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: H04B7/005 ,  H04B7/212 ,  H04W4/00

CPC classification number: H04B7/0417 ,  H04B7/063 ,  H04B7/0639

Abstract: A method of transmitting channel information in a multiple antenna system includes receiving the channel information comprising rank information, and transmitting a confirm message through a downlink control channel as a confirmation for the channel information, wherein the confirm message comprises overriding rank information which overrides the received rank information in an open loop scheme and also comprises information indicating whether the received channel information is used without alteration in a closed loop scheme. A rank indicator (RI) and a precoding matrix indicator (PMI) can be carried on a dedicated control channel (DCCH) and be specified through a physical downlink control channel (PDCCH).

Abstract translation: 一种在多天线系统中发送信道信息的方法包括：接收包括秩信息的信道信息，并通过下行链路控制信道发送确认消息作为信道信息的确认，其中确认消息包括覆盖所接收的等级信息 并且还包括指示在闭环方案中是否使用所接收的信道信息而不改变的信息。 等级指示符（RI）和预编码矩阵指示符（PMI）可以在专用控制信道（DCCH）上承载，并且通过物理下行链路控制信道（PDCCH）来指定。

公开(公告)号：US08472546B2

公开(公告)日：2013-06-25

申请号：US12921023

申请日：2009-03-05

Applicant: Jae Hoon Chung ,  Hyun Soo Ko ,  Seung Hee Han ,  Moon Il Lee

Inventor： Jae Hoon Chung ,  Hyun Soo Ko ,  Seung Hee Han ,  Moon Il Lee

IPC: H04B7/02

CPC classification number: H04L1/1893 ,  H04B7/04 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/06 ,  H04L1/0625 ,  H04L1/0631 ,  H04L5/0026 ,  H04L25/03343 ,  H04L25/03929 ,  H04L2025/03426 ,  H04W28/0268 ,  H04W72/046

Abstract: A method of data transmission includes determining the number of layers, generating mapping symbols by mapping modulation symbols for a first codeword and modulation symbols for a second codeword to each layer, and transmitting the mapping symbols through a plurality of antennas. At least one of the first codeword and the second codeword is mapped to at least 3 layers and the number of layers is larger than 3.

公开(公告)号：US08472464B2

公开(公告)日：2013-06-25

申请号：US13128404

申请日：2009-11-16

Applicant: Seung Hee Han ,  Sung Ho Moon ,  Hyun Soo Ko ,  Jae Hoon Chung ,  Moon Il Lee ,  Yeong Hyeon Kwon

Inventor： Seung Hee Han ,  Sung Ho Moon ,  Hyun Soo Ko ,  Jae Hoon Chung ,  Moon Il Lee ,  Yeong Hyeon Kwon

IPC: H04L5/14 ,  H04L27/00 ,  H04L1/02 ,  H04B7/208 ,  H04B7/216

CPC classification number: H04L5/003 ,  H04L5/0007

Abstract: Provided are a method of information transmission performed by a transmitter in a wireless transmission system and an apparatus for same. Said method comprises a step wherein a first information sequence is generated based on a first transmission symbol and a first resource index, a second information sequence is generated based on a second transmission symbol and a second resource index, a third information sequence is generated based on a third transmission symbol and a third resource index, a fourth information sequence is generated based on a fourth transmission symbol and a fourth resource index, a fifth information sequence is generated based on a fifth transmission symbol and a fifth resource index, a sixth information sequence is generated based on a sixth transmission symbol and a sixth resource index; and a step wherein said first information sequence, said second information sequence, and said third information sequence are transmitted via a first antenna, and said fourth information sequence, said fifth information sequence, and said sixth information sequence are transmitted via a second antenna, respectively.

Abstract translation: 提供了一种由无线传输系统中的发射机执行的信息传输方法及其装置。 所述方法包括以下步骤：基于第一传输符号和第一资源索引生成第一信息序列，基于第二传输符号和第二资源索引生成第二信息序列，基于 第三传输符号和第三资源索引，基于第四传输符号和第四资源索引生成第四信息序列，基于第五传输符号和第五资源索引生成第五信息序列，第六信息序列 基于第六传输符号和第六资源索引生成; 以及其中所述第一信息序列，所述第二信息序列和所述第三信息序列经由第一天线发送的步骤，并且所述第四信息序列，所述第五信息序列和所述第六信息序列分别经由第二天线发送 。

公开(公告)号：US08446882B2

公开(公告)日：2013-05-21

申请号：US12528419

申请日：2008-03-13

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

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

IPC: H04B7/216

CPC classification number: H04L27/2647 ,  H04B1/16 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0017 ,  H04L1/0029 ,  H04L1/0073 ,  H04L5/0058 ,  H04L12/18 ,  H04L25/0202 ,  H04L27/2601 ,  H04W72/0406

Abstract: An efficient link adaptive scheme according to a channel status in a broadband wireless communication system is disclosed. In applying an adaptive modulation and coding (AMC) scheme, modulation and coding selection (MCS) subsets are determined from all or part of MCS set in accordance with a service type or channel status, whereby feedback overhead is reduced and efficient link adaptation is performed in conjunction with a downlink power control scheme.

Abstract translation: 公开了根据宽带无线通信系统中的信道状态的有效链路自适应方案。 在应用自适应调制和编码（AMC）方案中，根据服务类型或信道状态从所设置的全部或部分MCS中确定调制和编码选择（MCS）子集，从而减少反馈开销并执行有效的链路自适应 结合下行链路功率控制方案。