Transmission method of downlink reference signal and apparatus thereof
    1.
    发明授权
    Transmission method of downlink reference signal and apparatus thereof 有权
    下行链路参考信号的传输方法及其装置

    公开(公告)号:US08964623B2

    公开(公告)日:2015-02-24

    申请号:US13263334

    申请日:2010-04-12

    IPC分类号: H04W4/00 H04L5/00

    CPC分类号: H04L5/0053

    摘要: The present invention relates to a wireless communication system, and provides a method and an apparatus for transmitting a downlink reference signal in the wireless communication system. The method for enabling a base station to transmit the reference signal to a terminal using layers of 8 or less in accordance with one embodiment of the present invention comprises the steps of: transmitting data for the layers of 8 or less through a data domain of a downlink sub frame; and transmitting a reference signal for the layers of 8 or less on a fixed OFDM symbol of the downlink sub frame, wherein the reference signal is a DRS (Dedicated Reference Signal) which demodulates the data for the layers of 8 or less, and the reference signal for the layers of 8 or less is separated into 1st and 2nd groups, and reference signals of the 1st and 2nd groups can be multiplexed in a CDM (Code Division Multiplexing) method on one resource element, respectively.

    摘要翻译: 无线通信系统技术领域本发明涉及一种无线通信系统,提供了一种用于在无线通信系统中发送下行链路参考信号的方法和装置。 根据本发明的一个实施例,使基站能够使用8以下的层将参考信号发送到终端的方法包括以下步骤:通过数据域的数据域传送8或更小层的数据 下行子帧; 并且在下行链路子帧的固定OFDM符号上发射8或更小层的参考信号,其中参考信号是对8或更小层的数据进行解调的DRS(专用参考信号),参考信号 8或更小层的信号分为第1组和第2组,第一组和第二组的参考信号可以分别以一个资源元素的CDM(码分多路复用)方式复用。

    Method for multiplexing control signals in a mobile communication system
    2.
    发明授权
    Method for multiplexing control signals in a mobile communication system 有权
    一种用于在移动通信系统中复用控制信号的方法

    公开(公告)号:US08705459B2

    公开(公告)日:2014-04-22

    申请号:US12448692

    申请日:2008-01-04

    IPC分类号: H04W72/04

    摘要: Disclosed is a method for multiplexing control signals between a plurality of users when control signals for the plurality of users are allocated within one resource block. That is, a method for multiplexing control signals includes coding control signals for at least one user signals to correspond to a structure of a transmission block for the control signals among one or more dedicated resource block, multiplexing the control signals for the at least one user signals in the dedicated resource block, and transmitting the control signals, wherein the dedicated resource block is allocated for transmitting the control signals separately from data signals among a plurality of transmission resource blocks. A frequency division multiplexing (FDM) mode and a code division multiplexing (CDM) mode are used to multiplex the control signals for the plurality of users.

    摘要翻译: 公开了一种在多个用户的控制信号被分配在一个资源块内时在多个用户之间复用控制信号的方法。 也就是说,一种多路复用控制信号的方法包括至少一个用户信号的编码控制信号,以对应于一个或多个专用资源块之间的控制信号的传输块的结构,对至少一个用户的控制信号进行多路复用 信号,并且发送控制信号,其中专用资源块被分配用于与多个传输资源块中的数据信号分开发送控制信号。 使用频分复用(FDM)模式和码分复用(CDM)模式来复用多个用户的控制信号。

    Method of transmitting channel quality indicator
    3.
    发明授权
    Method of transmitting channel quality indicator 失效
    发送信道质量指标的方法

    公开(公告)号:US08553614B2

    公开(公告)日:2013-10-08

    申请号:US12448677

    申请日:2008-03-28

    IPC分类号: H04W4/20

    摘要: A method of transmitting channel quality indicator (CQI) includes obtaining CQI of each, of the plurality of sub-bands, selecting a first sub-band having the best CQI of the plurality of sub-bands, transmitting the best CQI of the first sub-band at a first transmission cycle and transmitting a difference value between the best CQI of the first sub-band and a CQI of the first sub-band at a second transmission cycle. Signalling overhead due to CQI transmission can be reduced.

    摘要翻译: 发送信道质量指示符(CQI)的方法包括获得多个子带中的每一个的CQI,选择具有多个子带中最佳CQI的第一子带,发送第一子带的最佳CQI 在第一传输周期发送第一子带的最佳CQI和第一子带的CQI之间的差值,并以第二传输周期发送。 可以减少由CQI传输引起的信令开销。

    Method for transmitting feedback information
    5.
    发明授权
    Method for transmitting feedback information 有权
    发送反馈信息的方法

    公开(公告)号:US08432819B2

    公开(公告)日:2013-04-30

    申请号:US12441454

    申请日:2007-10-31

    IPC分类号: H04L27/28

    摘要: There is provided a method for enabling a user equipment to transmit feedback information. The method includes generating feedback data representing the feedback information, the feedback data expressed by a binary number having N bits, where N is an integer, the N bits comprising 2 levels, the feedback information represented by one of the 2 levels, wherein different types of the feedback information are assigned to different levels and transmitting the feedback data. Overheads incurred by transmission of feedback information can be reduced.

    摘要翻译: 提供了一种使得用户设备能够发送反馈信息的方法。 该方法包括产生表示反馈信息的反馈数据,由具有N位的二进制数表示的反馈数据,其中N是整数,N位包括2个电平,由2个电平之一表示的反馈信息,其中不同类型 的反馈信息被分配给不同的级别并且传送反馈数据。 可以减少传输反馈信息所产生的开销。

    METHOD AND APPARATUS FOR CONFIGURING FRAME IN WIRELESS COMMUNICATION SYSTEM INCLUDING RELAY STATION
    6.
    发明申请
    METHOD AND APPARATUS FOR CONFIGURING FRAME IN WIRELESS COMMUNICATION SYSTEM INCLUDING RELAY STATION 有权
    用于在无线通信系统中配置帧的方法和装置,包括中继站

    公开(公告)号:US20130034030A1

    公开(公告)日:2013-02-07

    申请号:US13642092

    申请日:2011-04-21

    IPC分类号: H04J11/00 H04W88/02

    摘要: A method and apparatus of communicating by a relay station a wireless communication system including a relay station is provided. The method include communicating with at least one of a base station and a user equipment through a frequency division duplex (FDD) uplink (UL) frame configured by the base station, the FDD UL frame including a UL relay zone including a plurality of UL subframes and a UL access zone including a plurality of UL subframes. The UL relay zone is a sector used for the relay station to transmit a signal to the base station, and the UL access zone is a sector used for the relay station to receive a signal from the user equipment. The UL relay zone is located before the UL access zone within the FDD UL frame.

    摘要翻译: 提供了一种由中继站与包括中继站的无线通信系统进行通信的方法和装置。 该方法包括通过由基站配置的频分双工(FDD)上行链路(UL)帧与基站和用户设备中的至少一个进行通信,该FDD UL帧包括包括多个UL子帧的UL中继区 以及包括多个UL子帧的UL接入区。 UL中继区是用于中继站向基站发送信号的扇区,UL接入区是用于中继站从用户设备接收信号的扇区。 UL中继区位于FDD UL帧内的UL接入区之前。

    Method for transmitting and receiving feedback information
    7.
    发明授权
    Method for transmitting and receiving feedback information 有权
    发送和接收反馈信息的方法

    公开(公告)号:US08295193B2

    公开(公告)日:2012-10-23

    申请号:US12525804

    申请日:2008-02-05

    IPC分类号: G01R31/08 H04K1/10

    摘要: A method for efficiently transmitting and receiving feedback information is disclosed. A cluster size as a unit for computing the feedback information and a reporting period of the feedback information are not uniformly determined by a base station. Information about a downlink channel status of each user equipment is reported, the cluster size and feedback period for computing and reporting the feedback information are determined using the information about the downlink channel status of each user equipment, and the feedback information is transmitted/received, thereby improving system capability.

    摘要翻译: 公开了一种有效地发送和接收反馈信息的方法。 作为用于计算反馈信息的单元的集群大小和反馈信息的报告周期不是由基站均匀地确定的。 报告关于每个用户设备的下行链路信道状态的信息,使用关于每个用户设备的下行链路信道状态的信息来确定用于计算和报告反馈信息的集群大小和反馈周期,并且反馈信息被发送/接收, 从而提高系统能力。

    Method for transmitting data in multiple antenna system
    9.
    发明授权
    Method for transmitting data in multiple antenna system 有权
    用于在多天线系统中传输数据的方法

    公开(公告)号:US08194778B2

    公开(公告)日:2012-06-05

    申请号:US13056635

    申请日:2009-07-29

    IPC分类号: H04B7/02

    CPC分类号: H04B7/0413

    摘要: 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.

    摘要翻译: 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。

    METHOD AND APPARATUS FOR FEEDBACK TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM
    10.
    发明申请
    METHOD AND APPARATUS FOR FEEDBACK TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统中反馈传输的方法与装置

    公开(公告)号:US20120113861A1

    公开(公告)日:2012-05-10

    申请号:US13384204

    申请日:2010-07-30

    IPC分类号: H04W24/00 H04L12/26

    摘要: A method and an apparatus for feedback transmission in a wireless communication system are provided. A terminal receives information about a short-term feedback period and a long-term feedback period from a base station, and then transmits to the base station short-term feedback information per short-term feedback period or long-term feedback information per long-term feedback period over a primary fast feedback channel (PFBSCH). The long-term feedback information contains an index of a subband subjected to channel measurement and a difference in measurement values that is a difference between a reference channel measurement value and a channel measurement value being measured.

    摘要翻译: 提供了一种用于无线通信系统中的反馈传输的方法和装置。 终端从基站接收关于短期反馈时段和长期反馈时段的信息,然后根据短期反馈时段或长期反馈信息向基站发送短期反馈信息, 主要快速反馈信道(PFBSCH)的短期反馈周期。 长期反馈信息包含经过信道测量的子带的索引和作为被测量的信道测量值之间的差的测量值的差异。