公开(公告)号：US20090257384A1

公开(公告)日：2009-10-15

申请号：US12385369

申请日：2009-04-06

Applicant: Wook Bong LEE ,  Jin Young CHUN ,  Sung Ho PARK ,  Moon Il LEE ,  Hyun Soo KO ,  Bin Chul IHM

Inventor： Wook Bong LEE ,  Jin Young CHUN ,  Sung Ho PARK ,  Moon Il LEE ,  Hyun Soo KO ,  Bin Chul IHM

IPC: H04W72/04 ,  H04B7/02

CPC classification number: H04B7/0417 ,  H04B7/0452 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/0689

Abstract: A mode adaptation method for performing mode switching between a single-user MIMO (SU-MIMO) mode and a multi-user MIMO (MU-MIMO) mode includes reporting, by a base station, a MIMO feedback mode to a mobile station, receiving a feedback information determined on the basis of the MIMO feedback mode from the mobile station; and determining a MIMO feedback mode based on the feedback information. The MIMO feedback mode indicates whether it is single-user MIMO or multi-user MIMO and includes a number of mobile stations (MSs) transferred at one time. As a result, the method maximizes a system throughput simultaneously while effectively reducing an amount of feedback information.

Abstract translation: 用于在单用户MIMO（SU-MIMO）模式和多用户MIMO（MU-MIMO）模式之间执行模式切换的模式适配方法包括由基站向移动台报告MIMO反馈模式，接收 基于来自移动台的MIMO反馈模式确定的反馈信息; 以及基于所述反馈信息确定MIMO反馈模式。 MIMO反馈模式指示它是单用户MIMO还是多用户MIMO，并且包括一次转移的多个移动台（MS）。 因此，该方法可以同时最大化系统吞吐量，同时有效减少反馈信息的数量。

公开(公告)号：US20090225737A1

公开(公告)日：2009-09-10

申请号：US12363522

申请日：2009-01-30

Applicant: So Yeon Kim ,  Jae Hoon Chung ,  Ji Ae Seok ,  Moon Il Lee ,  Hyun Soo Ko

Inventor： So Yeon Kim ,  Jae Hoon Chung ,  Ji Ae Seok ,  Moon Il Lee ,  Hyun Soo Ko

IPC: H04B7/216

CPC classification number: H04L1/1896 ,  H04L1/06 ,  H04L1/1822 ,  H04L1/1893

Abstract: A method for efficiently transmitting downlink control information is described. A method for transmitting control information in a multiple antenna system which can simultaneously transmit a maximum of two codewords includes transmitting modulation and coding scheme (MCS) information, a new data indicator (NDI) and a redundancy version (RV) for information blocks transmitted through the two codewords, and transmitting additional control information including at least one of a swapping indicator and enable/disable information. The swapping indicator indicates whether or not swapping occurs between the information blocks transmitted through the two codewords, and the enable/disable information indicates whether or not any one of transmissions through the two codewords is disabled. The swapping indicator is reserved when any one of transmissions through the two codewords is disabled, thereby reducing signaling overhead and efficiently transmitting necessary information.

Abstract translation: 描述了一种有效地发送下行链路控制信息的方法。 一种用于在同时发送最多两个码字的多天线系统中发送控制信息的方法包括发送调制和编码方案（MCS）信息，新的数据指示符（NDI）和冗余版本（RV），用于通过 并且发送包括交换指示符和启用/禁用信息中的至少一个的附加控制信息。 交换指示符指示在通过两个码字发送的信息块之间是否发生交换，并且使能/禁止信息指示是否禁用通过两个码字的传输中的任何一个。 当通过两个码字的任何一个传输被禁用时，交换指示符被保留，从而减少信令开销并有效地传送必要的信息。

公开(公告)号：US20090207784A1

公开(公告)日：2009-08-20

申请号：US12371565

申请日：2009-02-13

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

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

IPC: H04W40/00 ,  H04L27/28

CPC classification number: H04L5/0007 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0697 ,  H04L1/1607 ,  H04L5/0023 ,  H04L5/0053

Abstract: A method for transmitting a plurality of control information through a PUCCH or a PUSCH is disclosed. The method includes transmitting first control information, and transmitting second control information. The transmission of the first control information and the transmission of the second control information are performed in units of one subframe and are performed once per predetermined period, respectively. In a subframe in which the transmission of the second control information is to be simultaneously performed with the transmission of the first control information, the second control information is excluded for transmission or the first and the second information are simultaneously transmitted, according to the configuration of a closed-loop system or an open-loop system.

Abstract translation: 公开了一种通过PUCCH或PUSCH发送多个控制信息的方法。 该方法包括发送第一控制信息和发送第二控制信息。 第一控制信息的传输和第二控制信息的发送分别以一个子帧为单位进行，并且每预定时间段执行一次。 在通过发送第一控制信息同时执行第二控制信息的传输的子帧中，根据第一控制信息的配置，排除第二控制信息以发送或者第一和第二信息被同时发送 闭环系统或开环系统。

公开(公告)号：US20080198946A1

公开(公告)日：2008-08-21

申请号：US12030125

申请日：2008-02-12

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

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

IPC: H04L27/00

CPC classification number: H04B7/0671 ,  H04B7/0417 ,  H04B7/0465 ,  H04B7/0639 ,  H04B7/0663 ,  H04B7/0682 ,  H04L1/06 ,  H04L1/1819 ,  H04L5/0023 ,  H04L25/03898 ,  H04L27/2626

Abstract: A method for performing a precoding based on a generalized phase shift or a precoding based on an extended phase shift in a Multi-Input Multi-Output (MIMO) system employing several sub-carriers, and a transceiver for supporting the same are disclosed. A phase-shift-based precoding matrix is generalized by multiplying a diagonal matrix for a phase shift by a unitary matrix for maintaining orthogonality between sub-carriers. In this case, a diagonal matrix part may be extended by multiplying a precoding matrix for removing interference between sub-carriers by a diagonal matrix for a phase shift. By generalization and extension of the phase-shift-based precoding, a transceiver is more simplified, and communication efficiency increases.

Abstract translation: 公开了一种用于在采用多个子载波的多输入多输出（MIMO）系统中基于广义相移或基于扩展相移的预编码进行预编码的方法，以及用于支持它的收发器。 基于相移的预编码矩阵通过将用于相移的对角矩阵乘以酉矩阵来推广，以维持子载波之间的正交性。 在这种情况下，可以通过将预编码矩阵乘以用于去除相移之间的对角线矩阵的子载波之间的干扰来扩展对角矩阵部分。 通过对基于相移的预编码的泛化和扩展，收发器更加简化，并且通信效率提高。

公开(公告)号：US09577735B2

公开(公告)日：2017-02-21

申请号：US12106980

申请日：2008-04-21

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

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

IPC: H03D3/00 ,  H04L27/14 ,  H04B7/06 ,  H04B7/12

CPC classification number: H04B7/0671 ,  H04B7/0689 ,  H04B7/0691 ,  H04B7/12

Abstract: A multi-input multi-output (MIMO) system considers either reliability for each antenna or a time/frequency location, and transmits a signal at an unequal ratio for each antenna according to the consideration result. The method for use in the MIMO system including multiple antennas includes processing a signal according to an unequal ratio transmission scheme employing the multiple antennas at an unequal ratio, and transmitting the processed signal via the multiple antennas.

Abstract translation: 多输入多输出（MIMO）系统考虑每个天线的可靠性或时间/频率位置，并根据考虑结果发送每个天线的不等比率的信号。 在包括多个天线的MIMO系统中使用的方法包括：以不等比率采用多个天线的不等比传输方案来处理信号，以及经由多个天线发送经处理的信号。

公开(公告)号：US09479309B2

公开(公告)日：2016-10-25

申请号：US13578986

申请日：2011-02-01

Applicant: Seung Hee Han ,  Yeong Hyeon Kwon ,  Jae Hoon Chung ,  Moon Il Lee

Inventor： Seung Hee Han ,  Yeong Hyeon Kwon ,  Jae Hoon Chung ,  Moon Il Lee

IPC: H04W4/00 ,  H04L5/00

CPC classification number: H04L5/0053 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0094

Abstract: The present invention relates to a wireless communication system. In particular, the present invention relates to a method for handling physical downlink control channels (PDCCHs) in a user equipment, the method comprising: receiving a plurality of control channel elements (CCEs) from a base station; performing blind decoding of the plurality of CCEs in CCE aggregation units; and identifying a CCE aggregation level used for the PDCCH transmission, on the basis of the blinding decoding result, wherein the CCE aggregation level is relevant resource mapping of the control information included in the PDCCH.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统。 具体地说，本发明涉及一种在用户设备中处理物理下行链路控制信道（PDCCH）的方法，所述方法包括：从基站接收多个控制信道单元（CCE）; 对CCE聚合单元中的多个CCE执行盲解码; 以及基于所述盲目解码结果来识别用于PDCCH传输的CCE聚合级别，其中所述CCE聚合级别是包括在所述PDCCH中的所述控制信息的相关资源映射。

公开(公告)号：US09456372B2

公开(公告)日：2016-09-27

申请号：US13572142

申请日：2012-08-10

Applicant: Moon-il Lee ,  Paul Marinier ,  Shahrokh Nayeb Nazar ,  Allan Y. Tsai ,  Guodong Zhang ,  J. Patrick Tooher

Inventor： Moon-il Lee ,  Paul Marinier ,  Shahrokh Nayeb Nazar ,  Allan Y. Tsai ,  Guodong Zhang ,  J. Patrick Tooher

IPC: H04L12/66 ,  H04W24/10 ,  H04L25/02 ,  H04B7/06 ,  H04L5/00 ,  H04B7/02 ,  H04B7/04 ,  H04B17/345

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04B7/0413 ,  H04B17/345 ,  H04L5/0037 ,  H04L25/0226 ,  H04W24/10 ,  H04W72/042 ,  H04W72/082 ,  H04W84/042

Abstract: Embodiments contemplate methods, systems, and apparatuses for interference measurement in a wireless communication network, including wireless communication networks the employ MIMO in uplink and/or downlink communication. Embodiments contemplate identifying one or more interference measurement resource elements that may be received from one or more transmission points. Embodiments also contemplate performing interference measurement estimation based at least in part on the identified one or more interference measurement resource elements. Channel state information (CSI) perhaps in the form of reports may be generated based at least in part on the one or more interference measurement estimation. Embodiments also contemplate that the CSI report may be transmitted to one or more nodes. In some embodiments, the one or more interference measurement resource elements may be received as part of a set of resource elements.

Abstract translation: 实施例考虑了在无线通信网络中用于干扰测量的方法，系统和装置，包括在上行链路和/或下行链路通信中采用MIMO的无线通信网络。 实施例考虑识别可以从一个或多个传输点接收的一个或多个干扰测量资源元素。 实施例还考虑至少部分地基于所识别的一个或多个干扰测量资源元素执行干扰测量估计。 可以至少部分地基于一个或多个干扰测量估计来生成可能以报告的形式的信道状态信息（CSI）。 实施例还预期可将CSI报告发送到一个或多个节点。 在一些实施例中，可以将一个或多个干扰测量资源元素作为一组资源元素的一部分来接收。

公开(公告)号：US09374208B2

公开(公告)日：2016-06-21

申请号：US12922595

申请日：2009-03-16

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

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

IPC: H04W72/04 ,  H04W72/14 ,  H04L27/26 ,  H04L5/00 ,  H04L25/03

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/03343 ,  H04W72/0453 ,  H04W72/048 ,  H04W88/06

Abstract: A method for allocating uplink and downlink physical channels to improve throughput of a wireless access system is disclosed. A method for allocating channels to optimize a wireless access system which supports radio frequencies comprises configuring one or more physical channels in a transmitter; allocating first physical channels to a receiver considering features of the one or more physical channels; and transmitting one or more control channels to the receiver through a predetermined physical channel of the first physical channels, the control channels including configuration information of the first physical channels allocated to the receiver.

Abstract translation: 公开了一种用于分配上行链路和下行链路物理信道以提高无线接入系统的吞吐量的方法。 用于分配信道以优化支持无线电频率的无线接入系统的方法包括配置发射机中的一个或多个物理信道; 将考虑到所述一个或多个物理信道的特征的第一物理信道分配给接收机; 以及通过所述第一物理信道的预定物理信道向所述接收机发送一个或多个控制信道，所述控制信道包括分配给所述接收机的所述第一物理信道的配置信息。

公开(公告)号：US09350476B2

公开(公告)日：2016-05-24

申请号：US13580826

申请日：2011-02-22

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

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

IPC: H04B5/00 ,  H04J11/00 ,  H04L5/00 ,  H04W24/10

CPC classification number: H04B17/345 ,  H04J11/005 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0094 ,  H04W24/08 ,  H04W24/10

Abstract: A method and apparatus for providing information indicating radio resources for multi-cell interference measurement at a BS so that a UE can more accurately measure interference are disclosed.

Abstract translation: 公开了一种用于在BS处提供指示用于多小区干扰测量的无线资源的信息的方法和装置，以便UE可以更准确地测量干扰。

公开(公告)号：US09179464B2

公开(公告)日：2015-11-03

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 ,  H04L5/00 ,  H04L27/26

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

Abstract: A method and device for transmitting a reference signal in a wireless communication system is provided. 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 RE set including four REs 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 the first RE set, allocates second OCCs having a length of 4 to each DMRS mapped into the second resource element set and transmits each DMRS mapped into the first RE set and the second RE set. The subframe includes two slots and each slot includes six OFDM symbols. The second OCC are formed by swapping positions of bits that constitute the first OCCs.

Abstract translation: 提供了一种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层的每个解调参考信号（DMRS）映射到第一资源单元（RE）集合中，并且在子帧内的四个正交频分复用（OFDM）符号上包括四个RE的第二RE集合分配 向映射到第一RE集合的每个DMRS的长度为4的第一正交覆盖码（OCC）向映射到第二资源元素集合的每个DMRS分配具有长度为4的第二OCC，并将映射到第一RE集合中的每个DMRS 和第二RE集。 子帧包括两个时隙，每个时隙包括六个OFDM符号。 第二个OCC通过交换构成第一个OCC的位的位置来形成。