公开(公告)号：US08184734B2

公开(公告)日：2012-05-22

申请号：US12312299

申请日：2007-11-06

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

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

IPC: H04B7/02

CPC classification number: H04B7/0452 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L5/0023 ,  H04L25/03343 ,  H04L27/2647 ,  H04L2025/03426

Abstract: A method for transmitting data in a wireless communication system is provided. The method includes encoding one or more input data according to a specific coding rate and modulating the input data according to a specific modulation scheme, applying virtual antenna signaling to the one or more encoded and modulated input data based on a specific spatial multiplexing rate, and performing spatial processing on the input data, to which the virtual antenna signaling has been applied, and then transmitting the input data to a receiving end.

Abstract translation: 提供了一种在无线通信系统中发送数据的方法。 该方法包括根据特定编码率对一个或多个输入数据进行编码，并根据特定的调制方式对输入数据进行调制，基于特定的空间复用速率向一个或多个编码和调制的输入数据应用虚拟天线信令，以及 对已经应用了虚拟天线信令的输入数据执行空间处理，然后将输入数据发送到接收端。

公开(公告)号：US08174957B2

公开(公告)日：2012-05-08

申请号：US11734710

申请日：2007-04-12

Applicant: Hyun Soo Ko ,  Bin Chul Ihm ,  Jin Young Chun ,  Wook Bong Lee ,  Jae Hoon Chung ,  Jae Won Chang ,  Jin Hyuk Jung ,  Moon Il Lee ,  Seung Hee Han

Inventor： Hyun Soo Ko ,  Bin Chul Ihm ,  Jin Young Chun ,  Wook Bong Lee ,  Jae Hoon Chung ,  Jae Won Chang ,  Jin Hyuk Jung ,  Moon Il Lee ,  Seung Hee Han

IPC: H04J11/00

CPC classification number: H04B7/0613 ,  H04B7/0413 ,  H04B7/0684 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/0224 ,  H04L25/0226

Abstract: There is provided a method for placing reference signals in a wireless communication system. The method includes preparing a plurality of sub-frames for a plurality of antennas, placing a reference signal for one sub-frame and placing a reference signal for another sub-frame not to overlap with the reference signal for one sub-frame, wherein the reference signal for one sub-frame and the reference signal for another sub-frame are successively placed on contiguous OFDM symbols or on the contiguous sub-carriers. Channel estimation or data demodulation can be prevented from performance degradation.

Abstract translation: 提供了一种在无线通信系统中放置参考信号的方法。 该方法包括：为多个天线准备多个子帧，为一个子帧放置一个参考信号，并为另一个子帧放置一个不与一个子帧的参考信号重叠的参考信号，其中， 一个子帧的参考信号和另一个子帧的参考信号被连续放置在连续的OFDM符号上或连续的子载波上。 信道估计或数据解调可以防止性能下降。

公开(公告)号：US20120106492A1

公开(公告)日：2012-05-03

申请号：US13379576

申请日：2010-06-30

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

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

IPC: H04W72/00

CPC classification number: H04B7/0413

Abstract: The present invention relates to a method for transmitting a sounding signal in a multiple input multiple output (MIMO) wireless mobile communication system. The method comprises: a step in which a terminal that supports a plurality of transmitting antennas receives, from a base station, at least one piece of uplink sounding transmission control information; and a step of transmitting a sounding signal using the received uplink sounding transmission control information, wherein said sounding transmission control information includes periodicity information for periodically repeating the transmission of the sounding signal, and a piece of antenna designation information for designating an antenna from among the plurality of transmitting antennas to be used in transmitting the sounding signal.

Abstract translation: 本发明涉及一种在多输入多输出（MIMO）无线移动通信系统中发送探测信号的方法。 该方法包括：支持多个发送天线的终端从基站接收至少一条上行探测传输控制信息的步骤; 以及使用所接收的上行探测发送控制信息发送探测信号的步骤，其中，所述发声控制信息包括用于周期性地重复所述发声信号的发送的周期性信息，以及用于指定天线中的天线的天线指定信息 多个发送天线用于发送探测信号。

公开(公告)号：US08165240B2

公开(公告)日：2012-04-24

申请号：US12282856

申请日：2007-03-14

Applicant: Bin Chul Ihm ,  Moon Il Lee ,  Jin Young Chun ,  Jae Won Jang ,  Jin Hyuk Jung

Inventor： Bin Chul Ihm ,  Moon Il Lee ,  Jin Young Chun ,  Jae Won Jang ,  Jin Hyuk Jung

IPC: H04B7/02

CPC classification number: H04B7/068 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/0669 ,  H04L1/0606 ,  H04L1/0618 ,  H04L1/0625 ,  H04L1/0668 ,  H04L1/0693

Abstract: A wireless communication system and more particularly a method for signals in a system using a plurality of antennas are disclosed. In the method for multi-antenna-encoding data symbols to be transmitted through the plurality of antennas, at least two same data symbols multi-antenna-encoded are formed and transmitted repeatedly. Accordingly, it is possible to enhance transmission efficiency.

Abstract translation: 公开了一种无线通信系统，更具体地说，涉及使用多个天线的系统中的信号的方法。 在多天线编码要通过多个天线发送的数据符号的方法中，重复地形成并发送多天线编码的至少两个相同的数据符号。 因此，可以提高传输效率。

公开(公告)号：US08135085B2

公开(公告)日：2012-03-13

申请号：US12970168

申请日：2010-12-16

Applicant: Moon Il Lee ,  Bin Chul Ihm ,  Jae Wan Kim ,  Sung Ho Park ,  Wook Bong Lee

Inventor： Moon Il Lee ,  Bin Chul Ihm ,  Jae Wan Kim ,  Sung Ho Park ,  Wook Bong Lee

IPC: H04B7/02

CPC classification number: H04B7/0671 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/1816 ,  H04L5/0023 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03426 ,  Y02D50/10

Abstract: According to one embodiment, a method for transmitting signals to a receiver, performed by a transmitter including a plurality of antennas, includes: selecting a precoding matrix based on a multiplexing rate (R) by selecting R column vectors from a single matrix corresponding to a maximum multiplexing rate, wherein each column vector of a first precoding matrix corresponding to a first multiplexing rate is included as a part of column vectors of a second precoding matrix corresponding to a second multiplexing rate when the second multiplexing rate is greater than the first multiplexing rate; precoding the signals using the selected precoding matrix; and transmitting the precoded signals to the receiver.

Abstract translation: 根据一个实施例，一种由包括多个天线的发射机执行的向接收机发送信号的方法包括：通过从对应于多个天线的单个矩阵中选择R列向量，基于多路复用率（R）来选择预编码矩阵 最大复用率，其中当第二复用率大于第一多路复用速率时，包括与第一多路复用速率对应的第一预编码矩阵的每一列向量作为与第二复用率相对应的第二预编码矩阵的列向量的一部分 ; 使用所选择的预编码矩阵预编码信号; 并将预编码信号发送到接收机。

公开(公告)号：US20120057551A1

公开(公告)日：2012-03-08

申请号：US13292005

申请日：2011-11-08

Applicant: Ki Hwan KIM ,  Jae Hoon CHUNG ,  Moon Il LEE

Inventor： Ki Hwan KIM ,  Jae Hoon CHUNG ,  Moon Il LEE

IPC: H04W72/06

CPC classification number: H04W72/0406 ,  H04J1/02 ,  H04L1/0026 ,  H04L1/0075 ,  H04L1/1607 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0053 ,  H04W72/04

Abstract: A method for multiplexing a data information stream, including a systematic symbol and a non-systematic symbol, and a control information stream of at least three types in a wireless mobile communication system is disclosed. The method includes mapping the data information stream to a resource area so that the systematic symbol is not mapped to a specific resource area to which the control information stream is mapped, and mapping the control information stream to the specific resource area.

Abstract translation: 公开了一种在无线移动通信系统中复用包括系统符号和非系统符号的数据信息流以及至少三种类型的控制信息流的方法。 该方法包括将数据信息流映射到资源区域，使得系统符号未映射到映射控制信息流的特定资源区域，并将控制信息流映射到特定资源区域。

公开(公告)号：US20110305289A1

公开(公告)日：2011-12-15

申请号：US13202563

申请日：2010-02-22

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

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

IPC: H04L27/28

CPC classification number: H04L1/0061 ,  H04L1/06

Abstract: A method for generating a downlink signal in a downlink MIMO (Multiple Input Multiple Output) comprises the steps of: mapping at least one transport block to at least one codeword; mapping at least one layer to each codeword; classifying at least one layer mapped to each codeword into a certain number of layer groups and performing layer permutation by the layer groups; and generating an OFDM (Orthogonal Frequency-Division Multiplexing) symbol using a signal which is permutated by the layer groups. A CRC (Cyclic Redundancy Check) is attached by the layer groups.

Abstract translation: 一种用于在下行链路MIMO（多输入多输出）中产生下行链路信号的方法包括以下步骤：将至少一个传输块映射到至少一个码字; 将至少一个层映射到每个码字; 将映射到每个码字的至少一个层分成一定数量的层组并且由层组执行层排列; 以及使用由层组排列的信号来生成OFDM（正交频分复用）符号。 层组附加CRC（循环冗余校验）。

公开(公告)号：US20110305134A1

公开(公告)日：2011-12-15

申请号：US13057704

申请日：2009-08-07

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

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

IPC: H04W24/04 ,  H04W72/00

CPC classification number: H04L1/1854 ,  H04L1/1861 ,  H04L5/0007

Abstract: A method of performing hybrid automatic repeat request (HARQ) of a user equipment (UE) in a multiple-carrier system is provided. The UE transmits uplink data on an uplink carrier. The UE receives acknowledgement (ACK)/not-acknowledgement (NACK) for the uplink data on a downlink carrier associated with the uplink carrier. Accordingly, HARQ can be supported in a multiple-carrier system.

Abstract translation: 提供了一种在多载波系统中执行用户设备（UE）的混合自动重传请求（HARQ）的方法。 UE在上行链路载波上发送上行链路数据。 UE在与上行链路载波相关联的下行链路载波上接收针对上行链路数据的确认（ACK）/不确认（NACK）。 因此，可以在多载波系统中支持HARQ。

公开(公告)号：US20110292825A1

公开(公告)日：2011-12-01

申请号：US13147795

申请日：2010-02-09

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

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

IPC: H04L12/26

CPC classification number: H04L5/0048 ,  H04L5/0023 ,  H04L5/005 ,  H04L27/2602 ,  H04L27/2607

Abstract: The present invention relates to a method for transmitting a-reference signals for measuring a channel in a downlink MIMO (Multi Input Multi Output) system The method comprises the steps of: configuring, by a base station at which Nt transmit antennas are configured, Nt reference signals for channel measurement where Nt≧1 and transmitting, by the base station, the Nt reference signals to a use equipment in subframes at a specific cycle. The specific cycle is configured to include more than one subframe.

Abstract translation: 本发明涉及一种在下行MIMO（多输入多输出）系统中发送用于测量信道的参考信号的方法。该方法包括以下步骤：由配置Nt个发射天线的基站配置Nt 用于信道测量的参考信号，其中Nt≥1，并且由基站将Nt个参考信号以特定周期的子帧发送到使用设备。 该特定周期被配置为包括多于一个子帧。

公开(公告)号：US20110286440A1

公开(公告)日：2011-11-24

申请号：US13148063

申请日：2010-02-08

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: H04B7/216 ,  H04L27/00

CPC classification number: H04L5/0048 ,  H04J11/0069 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0091 ,  H04L25/0226 ,  H04L27/2601 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2662 ,  H04W72/042 ,  H04W72/0446

Abstract: The present invention relates to a method for transmitting a data demodulation reference signal in a radio mobile communication system. The method comprises: a step for generating a sub-frame including the data demodulation reference signal, and a step for transmitting the generated sub-frame. The 1st and 2nd demodulation reference signal pattern groups include plural demodulation signal patterns orthogonal to each other, and are differentiated from each other with regard to time-frequency resources. In the data demodulation reference signal, demodulation reference signal patterns which are respectively orthogonal to each other M (M≦N) and N−M times are respectively included in the 1st and 2nd demodulation reference signal pattern groups if the rank is N.

Abstract translation: 本发明涉及在无线移动通信系统中发送数据解调参考信号的方法。 该方法包括：产生包括数据解调参考信号的子帧的步骤和用于发送所生成的子帧的步骤。 第一和第二解调参考信号模式组包括彼此正交的多个解调信号模式，并且相对于时间 - 频率资源彼此不同。 在数据解调参考信号中，如果秩为N，则在第1和第2解调参考信号模式组中分别包括彼此正交的M（M＆NlE; N）和N-M次的解调参考信号模式。