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    Method of transmitting scheduling information in TDD system
    352.
    发明授权
    Method of transmitting scheduling information in TDD system 有权
    在TDD系统中传输调度信息的方法

    公开(公告)号：US08254295B2

    公开(公告)日：2012-08-28

    申请号：US12548177

    申请日：2009-08-26

    Applicant: Seung Deog Choi ,  Ki Jun Kim ,  Suk Hyan Yoon ,  Dae Won Lee ,  Joon Kui Ahn

    Inventor： Seung Deog Choi ,  Ki Jun Kim ,  Suk Hyan Yoon ,  Dae Won Lee ,  Joon Kui Ahn

    IPC: H04J3/06 ,  H04W72/04 ,  H04L1/14

    CPC classification number: H04W72/042 ,  H04L5/0053 ,  H04L5/0091 ,  H04L5/14 ,  H04W72/0446 ,  H04W72/1278 ,  H04W72/1284 ,  H04W88/08

    Abstract: A method of transmitting scheduling information in time-division-duplex (TDD) system is provided. The method comprises configuring a radio frame, the radio frame comprising at least one downlink subframe and at least one uplink subframe, wherein a downlink subframe is reserved for downlink transmission and an uplink subframe is reserved for uplink transmission, and transmitting scheduling information on a downlink control channel in a downlink subframe, the scheduling information comprising an uplink indicator and uplink resource assignment, the uplink indicator indicating which at least one uplink subframe the uplink resource assignment is valid for. Data can be efficiently transmitted by using an uplink indicator which indicates a specific location of a subframe.

    Abstract translation: 提供了一种在时分双工（TDD）系统中发送调度信息的方法。 该方法包括配置无线帧，所述无线帧包括至少一个下行链路子帧和至少一个上行链路子帧，其中下行链路子帧被保留用于下行链路传输，并且上行链路子帧被保留用于上行链路传输，并且在下行链路上发送调度信息 控制信道，所述调度信息包括上行链路指示符和上行链路资源分配，所述上行链路指示符指示所述上行链路资源分配对于哪个上行链路子帧是有效的。 可以通过使用指示子帧的特定位置的上行链路指示符来有效地发送数据。

    METHOD AND APPARATUS FOR REDUCING INTER-CELL INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM
    353.
    发明申请
    METHOD AND APPARATUS FOR REDUCING INTER-CELL INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM 有权
    用于减少无线通信系统中的小区间干扰的方法和装置

    公开(公告)号：US20120184206A1

    公开(公告)日：2012-07-19

    申请号：US13497488

    申请日：2010-12-10

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

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

    IPC: H04W52/14 ,  H04W52/24

    CPC classification number: H04W52/243 ,  H04B17/327 ,  H04L5/0091 ,  H04W72/082 ,  H04W84/045

    Abstract: The present invention relates to a method and apparatus for reducing inter-cell interference in a wireless communication system. The method for reducing inter-cell interference in a wireless communication system according to one embodiment of the present invention includes: a step in which a first terminal receives, from a first cell, scheduling information for the transmission of a first signal to a second cell; and a step in which the first terminal transmits the first signal to the second cell on the basis of the scheduling information. The scheduling information is provided by the first cell in the event an uplink or downlink transmission of the first cell is interfered with by an uplink or downlink transmission of the second cell. The first signal indicates a request for reducing the transmitting power of the second cell or of the second terminal served by the second cell.

    Abstract translation: 本发明涉及一种用于减少无线通信系统中小区间干扰的方法和装置。 根据本发明的一个实施例的用于减少无线通信系统中的小区间干扰的方法包括：第一终端从第一小区接收用于向第二小区发送第一信号的调度信息的步骤 ; 以及第一终端基于调度信息将第一信号发送到第二小区的步骤。 在第一小区的上行链路或下行链路传输被第二小区的上行链路或下行链路传输干扰的情况下，由第一小区提供调度信息。 第一信号指示降低由第二小区服务的第二小区或第二终端的发射功率的请求。

    METHOD AND APPARATUS FOR INDICATING DESTINATION STATIONS IN WLAN SYSTEM SUPPORTING MULTI-USER MULTIPLE INPUT MULTIPLE OUTPUT
    355.
    发明申请
    METHOD AND APPARATUS FOR INDICATING DESTINATION STATIONS IN WLAN SYSTEM SUPPORTING MULTI-USER MULTIPLE INPUT MULTIPLE OUTPUT 有权
    用于指示支持多用户多输入多输出的WLAN系统中的目的地站的方法和装置

    公开(公告)号：US20120106531A1

    公开(公告)日：2012-05-03

    申请号：US13382522

    申请日：2010-07-06

    Applicant: Yong Ho Seok ,  Byeong Woo Kang ,  Yu Jin Noh ,  Dae Won Lee

    Inventor： Yong Ho Seok ,  Byeong Woo Kang ,  Yu Jin Noh ,  Dae Won Lee

    IPC: H04W84/02

    CPC classification number: H04B7/0452 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0226 ,  H04W4/06 ,  H04W8/26 ,  H04W24/00 ,  H04W48/08 ,  H04W52/346 ,  H04W84/12 ,  H04W88/08

    Abstract: A method of indicating destination stations, performed by an access point (AP), in a wireless local area network (WLAN) system supporting multi-user multiple input multiple output (MU-MIMO) is provided. The method includes transmitting a sounding request frame to the plurality of destination stations to transmit a sounding frame used for channel estimation between the AP and each destination station, receiving the sounding frame in response to the sounding frame request from each station, and transmitting a first data frame spatially multiplexed with respect to the plurality of destination stations by performing channel estimation on the basis of the sounding frame, wherein the sounding request frame comprises a group identifier (ID) indicating the plurality of destination stations.

    Abstract translation: 提供了一种在支持多用户多输入多输出（MU-MIMO）的无线局域网（WLAN）系统中由接入点（AP）指示目的地站的方法。 所述方法包括：向所述多个目的地站发送探测请求帧，以发送在所述AP与每个目的站之间用于信道估计的探测帧，响应于来自每个站的所述探测帧请求接收所述探测帧，以及发送第一 通过基于所述探测帧进行信道估计而相对于所述多个目的站进行空间复用的数据帧，其中所述探测请求帧包括指示所述多个目的地站的组标识符（ID）。

    METHOD FOR TRANSMITTING UPLINK SIGNALS
    356.
    发明申请
    METHOD FOR TRANSMITTING UPLINK SIGNALS 有权
    发送上行信号的方法

    公开(公告)号：US20120082117A1

    公开(公告)日：2012-04-05

    申请号：US13316315

    申请日：2011-12-09

    Applicant: Dae Won LEE ,  Bong Hoe KIM ,  Young Woo YUN ,  Ki Jun KIM ,  Dong Wook ROH ,  Hak Seong KIM ,  Hyun Wook PARK

    Inventor： Dae Won LEE ,  Bong Hoe KIM ,  Young Woo YUN ,  Ki Jun KIM ,  Dong Wook ROH ,  Hak Seong KIM ,  Hyun Wook PARK

    IPC: H04W72/04

    CPC classification number: H04L5/0055 ,  H04L1/0081 ,  H04L1/1664 ,  H04L1/1671 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0057

    Abstract: A method for transmitting uplink signals, which include ACK/NACK signals, control signals other than the ACK/NACK signals, and data signals, is disclosed. The method comprises serially multiplexing the control signals and the data signals; sequentially mapping the multiplexed signals within a specific resource region in accordance with a time-first mapping method, the specific resource region including a plurality of symbols and a plurality of virtual subcarriers; and arranging the ACK/NACK signals at both symbols near symbols to which a reference signal of the plurality of symbols is transmitted. Thus, the uplink signals can be transmitted to improve receiving reliability of signals having high priority.

    Abstract translation: 公开了一种用于发送包括ACK / NACK信号，除了ACK / NACK信号以外的控制信号和数据信号的上行链路信号的方法。 该方法包括串行多路复用控制信号和数据信号; 根据时间优先映射方法顺序地映射特定资源区域内的多路复用信号，该特定资源区域包括多个符号和多个虚拟子载波; 以及在发送多个符号的参考信号的符号附近的两个符号处布置ACK / NACK信号。 因此，可以发送上行链路信号以提高具有高优先级的信号的接收可靠性。

    METHOD FOR INDICATING PRECODING MATRIX INDICATOR IN UPLINK MIMO SYSTEM WITH BASED ON SC-FDMA
    358.
    发明申请
    METHOD FOR INDICATING PRECODING MATRIX INDICATOR IN UPLINK MIMO SYSTEM WITH BASED ON SC-FDMA 有权
    基于SC-FDMA的上行MIMO系统中预测矩阵指示符的方法

    公开(公告)号：US20120082102A1

    公开(公告)日：2012-04-05

    申请号：US13148886

    申请日：2010-02-19

    Applicant: Byeong Woo Kang ,  Joon Kui Ahn ,  Dong Youn Seo ,  Jung Hoon Lee ,  Yu Jin Noh ,  Byoung Hoon Kim ,  Suck Chel Yang ,  Bong Hoe Kim ,  Dae Won Lee

    Inventor： Byeong Woo Kang ,  Joon Kui Ahn ,  Dong Youn Seo ,  Jung Hoon Lee ,  Yu Jin Noh ,  Byoung Hoon Kim ,  Suck Chel Yang ,  Bong Hoe Kim ,  Dae Won Lee

    IPC: H04W74/04 ,  H04W72/04

    CPC classification number: H04B7/0639 ,  H04L5/0039

    Abstract: A method of transmitting PMI (precoding matrix indicator) information in an uplink MIMO system is disclosed. The present invention includes the steps of receiving channel information from a user equipment and transmitting information on a resource allocated to the user equipment in uplink transmission and PMI information indicating a precoding matrix to apply to a region of the resource among a plurality of precoding matrices to the user equipment based on the received channel information, wherein the resource allocated to the user equipment is allocated by a bundle unit of a prescribed number of subcarriers, wherein each of a plurality of the precoding matrices are applied to regions generated from dividing a whole frequency band into a prescribed number of regions, respectively, and wherein the precoding matrix applied to the resource among a plurality of the precoding matrices has a maximum area resulting from overlapping a frequency band occupied by the allocated resource with a frequency band having the precoding matrix applied thereto.

    Abstract translation: 公开了一种在上行链路MIMO系统中发送PMI（预编码矩阵指示符）信息的方法。 本发明包括以下步骤：从用户设备接收信道信息，并在上行链路传输中发送关于分配给用户设备的资源的信息，以及指示预编码矩阵的PMI信息，以应用于多个预编码矩阵中的资源区域，以 所述用户设备基于所接收的信道信息，其中，分配给所述用户设备的资源由规定数量的副载波的分组单元分配，其中，所述多个预编码矩阵中的每一个被应用于从分频整个频率 并且其中在多个预编码矩阵中应用于资源的预编码矩阵具有由所分配的资源占据的频带与具有预编码矩阵的频带重叠而产生的最大区域 到此。

    METHOD FOR TRANSMITTING DATA BY APPLYING PRECODING MATRIX IN AN OPEN LOOP MIMO SYSTEM
    359.
    发明申请
    METHOD FOR TRANSMITTING DATA BY APPLYING PRECODING MATRIX IN AN OPEN LOOP MIMO SYSTEM 失效
    通过在开环MIMO系统中应用预编码矩阵来发送数据的方法

    公开(公告)号：US20120063438A1

    公开(公告)日：2012-03-15

    申请号：US13319621

    申请日：2010-05-26

    Applicant: Byeong Woo Kang ,  Dong Wook Roh ,  Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Joon Kul Ahn

    Inventor： Byeong Woo Kang ,  Dong Wook Roh ,  Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Joon Kul Ahn

    IPC: H04W92/00

    CPC classification number: H04B7/0434

    Abstract: A method for transmitting data by applying a precoding matrix in an open-loop multiple input multiple output (MIMO) system is disclosed. The method comprises selecting a precoding matrix and applying the selected precoding matrix to data during initial transmission; selecting a precoding matrix and applying the selected precoding matrix to data to be retransmitted; and retransmitting the data to which the precoding matrix is applied, wherein an index of the precoding matrix applied to the data is determined based on the times of current retransmission times of the data and index of the precoding matrix applied during initial transmission of the data.

    Abstract translation: 公开了一种通过在开环多输入多输出（MIMO）系统中应用预编码矩阵来发送数据的方法。 该方法包括：选择预编码矩阵，并在初始传输期间将所选择的预编码矩阵应用于数据; 选择预编码矩阵并将所选择的预编码矩阵应用于要重传的数据; 并且重新发送应用了预编码矩阵的数据，其中，基于数据的当前重传次数和在数据的初始发送期间应用的预编码矩阵的索引来确定应用于数据的预编码矩阵的索引。

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