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 of allocating radio resource in wireless communication system
    2.
    发明授权
    Method of allocating radio resource in wireless communication system 有权
    无线通信系统中无线资源分配方法

    公开(公告)号:US08886238B2

    公开(公告)日:2014-11-11

    申请号:US12742716

    申请日:2008-11-26

    摘要: A method of allocating radio resources in a wireless communication system includes dividing the overall frequency band into a plurality of frequency blocks including at least one subcarrier in a frequency domain, and allocating an allocation unit including some of the plurality of frequency blocks to a user equipment (ITE), wherein the allocation unit is any one of a localized allocation unit including frequency blocks contiguous in the frequency domain and a distributed allocation unit including frequency blocks distributed in the frequency domain. Allocation schemes of subcarriers are freely used suitably according to channel environments of users, the scheduling effect of radio resources can be enhanced.

    摘要翻译: 一种在无线通信系统中分配无线电资源的方法包括将总频带划分成包括频域中的至少一个子载波的多个频率块,并将包括多个频率块中的一些的分配单元分配给用户设备 (ITE),其中分配单元是包括在频域中连续的频率块的局部分配单元中的任何一个,以及包括分布在频域中的频率块的分布式分配单元。 根据用户的信道环境,适当地自由使用子载波的分配方案,可以提高无线资源的调度效果。

    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 and apparatus for transmitting data with time diversity and/or time-frequency diversity, and pattern-generating method to be used in the same
    5.
    发明授权
    Method and apparatus for transmitting data with time diversity and/or time-frequency diversity, and pattern-generating method to be used in the same 有权
    用于发送具有时间分集和/或时间 - 频率分集的数据的方法和装置,以及在其中使用的模式生成方法

    公开(公告)号:US08451945B2

    公开(公告)日:2013-05-28

    申请号:US12373515

    申请日:2007-07-13

    IPC分类号: H04L27/00

    摘要: A method and apparatus for transmitting data having time diversity and data having time-frequency diversity, and a pattern generating method for the same are disclosed. The apparatus enables Tx data to have time diversity or time frequency diversity using a predetermined pattern multiplied by Tx data of a time domain or Tx data of time and frequency domains. The apparatus makes a cyclic delay diversity (CDD) scheme to have the diversity of time and frequency domains, and may acquire an additional diversity gain by a combination of the above-mentioned methods.

    摘要翻译: 公开了一种用于发送具有时间分集的数据和具有时间 - 频率分集的数据的方法和装置,以及用于其的模式生成方法。 该装置使得Tx数据能够使用与时域的Tx数据或时域和频域的Tx数据相乘的预定模式来具有时间分集或时间分集。 该装置使得循环延迟分集(CDD)方案具有时域和频域的分集,并且可以通过上述方法的组合获得附加的分集增益。

    Method of transmitting data using repetition coding
    6.
    发明授权
    Method of transmitting data using repetition coding 有权
    使用重复编码传输数据的方法

    公开(公告)号:US08391380B2

    公开(公告)日:2013-03-05

    申请号:US12676132

    申请日:2008-09-03

    IPC分类号: H04K1/10 H04L27/28

    摘要: A method of transmitting data in a wireless communication system is provided. The method includes generating duplicate data by using repetition coding, the duplicate data being the same as original data, shifting the phase of the duplicate data, and transmitting the original data and the phase-shifted duplicate data. The duplicate data is mapped to a modulation symbol having a different size or phase as that of the original data, thus to reduce the PAPR unlike the general repetition coding.

    摘要翻译: 提供了一种在无线通信系统中发送数据的方法。 该方法包括使用重复编码产生重复数据,重复数据与原始数据相同,移动重复数据的相位,以及发送原始数据和相移重复数据。 复制数据被映射到具有与原始数据不同的大小或相位的调制符号,从而与普通重复编码不同,减少PAPR。

    Method of allocating uplink radio resource
    7.
    发明授权
    Method of allocating uplink radio resource 有权
    分配上行无线资源的方法

    公开(公告)号:US08305985B2

    公开(公告)日:2012-11-06

    申请号:US12676597

    申请日:2008-09-26

    IPC分类号: H04W4/00

    CPC分类号: H04W72/1284 H04W28/18

    摘要: A method of allocating an uplink radio resource includes transmitting a scheduling request signal for requesting allocation of the uplink radio resource, wherein the scheduling request signal comprises control information, a request of the allocation of the uplink radio resource is represented by transmitting the scheduling request signal and the control information is represented by a value of the scheduling request signal, and receiving a scheduling grant message in response to the scheduling request signal.

    摘要翻译: 一种分配上行链路无线电资源的方法包括发送用于请求上行链路无线电资源的分配的调度请求信号,其中调度请求信号包括控制信息,通过发送调度请求信号来表示上行链路无线电资源的分配请求 并且所述控制信息由所述调度请求信号的值表示,并且响应于所述调度请求信号接收调度授权消息。

    Method for transmitting and receiving feedback information
    8.
    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 of Transmitting Data in Multiple Antenna System
    10.
    发明申请
    Method of Transmitting Data in Multiple Antenna System 有权
    多天线系统中数据传输的方法

    公开(公告)号:US20110149942A1

    公开(公告)日:2011-06-23

    申请号:US12808328

    申请日:2008-12-16

    IPC分类号: H04L27/04 H04J3/00 H04J1/00

    摘要: A method of transmitting data in a multiple antenna system includes transmitting first data through a first pilot pattern zone in which pilots are arranged in a specific pilot pattern in a permutation zone having at least one tile comprising a plurality of orthogonal frequency division multiplexing (OFDM) symbols and a plurality of subcarriers, and transmitting second data through a second pilot pattern zone in which pilots are arranged in another pilot pattern different from the pilot pattern of the first pilot pattern zone in the permutation zone. Accordingly, a plurality of pilot patterns can be simultaneously used in one permutation zone, and thus waste of radio resources caused by the use of unnecessary pilots can be reduced by adaptively assigning pilots according to various channel environments and performances of user equipments.

    摘要翻译: 在多天线系统中发送数据的方法包括:通过第一导频模式区发送第一数据,其中导频在具有包括多个正交频分复用(OFDM)的至少一个瓦片的置换区中的特定导频模式中排列, 符号和多个子载波,并且通过第二导频模式区发送第二数据,其中导频被布置在与置换区中的第一导频模式区的导频模式不同的另一导频模式中。 因此,可以在一个排列区域中同时使用多个导频模式,从而可以通过根据各种信道环境和用户设备的性能自适应地分配导频来减少由使用不必要的导频引起的无线资源浪费。