EFFICIENT INITIAL ACCESS SYSTEM UNDER A MULTI-CARRIER COMBINATION CONDITION FOR SUPPORTING BROADBAND
    101.
    发明申请
    EFFICIENT INITIAL ACCESS SYSTEM UNDER A MULTI-CARRIER COMBINATION CONDITION FOR SUPPORTING BROADBAND 有权
    在支持宽带的多载波组合条件下的有效的初始接入系统

    公开(公告)号:US20110286411A1

    公开(公告)日:2011-11-24

    申请号:US13125505

    申请日:2009-10-22

    IPC分类号: H04W74/08

    摘要: The present invention relates to a wireless access system, and more particularly, to an initial system under a multi-carrier combination condition. A method of for performing an initial access in a base station which supports the multi-band of a terminal according to one embodiment of the present invention comprises the steps of: searching one or more downlink component carriers of the base station; receiving system information including a broadcast channel of a first downlink component carrier from among the searched one or more downlink component carriers and information for indicating one or more uplink component carriers connected to the first downlink component carrier; transmitting a first message to the base station through a first uplink component carrier from among one or more uplink component carriers indicated by the received system information; and receiving a second message including uplink authorization information from the base station through the first downlink component carrier.

    摘要翻译: 无线接入系统技术领域本发明涉及一种无线接入系统,尤其涉及一种多载波组合条件下的初始系统。 根据本发明的一个实施例的用于在支持终端的多频带的基站中执行初始接入的方法包括以下步骤:搜索基站的一个或多个下行链路分量载波; 从搜索到的一个或多个下行链路分量载波中接收包括第一下行链路分量载波的广播信道的系统信息和用于指示连接到第一下行链路分量载波的一个或多个上行链路分量载波的信息; 通过由所接收的系统信息指示的一个或多个上行链路分量载波中的第一上行链路分量载波向基站发送第一消息; 以及通过所述第一下行链路分量载波从所述基站接收包括上行链路授权信息的第二消息。

    METHOD FOR PILOT SYMBOL TRANSMISSION IN DOWNLINK MIMO SYSTEM
    102.
    发明申请
    METHOD FOR PILOT SYMBOL TRANSMISSION IN DOWNLINK MIMO SYSTEM 有权
    下行MIMO系统中的引导符号传输方法

    公开(公告)号:US20110244873A1

    公开(公告)日:2011-10-06

    申请号:US13121936

    申请日:2009-10-01

    IPC分类号: H04W72/00

    摘要: The present invention relates to a method for transmitting a pilot signal in a downlink MIMO (Multi Input Multi Output) system that supports a first UE (User Equipment) supporting N number of transmission antennae out of a total of M transmission antennae and supports a second UE supporting said M (M>N) number of transmission antennae. Said method comprises a step wherein a pilot symbol is placed as an image in the resource block (RB) region on a subframe that enables the transmission of a user-specific pilot symbol to said second UE in a base station; and a step wherein the subframe whereon said pilot symbol has been placed as an image is transmitted, wherein said RB region includes a first region and a second region, and the first region and the second region each include a certain number of continuous OFDM symbols on a respective time axis, and on said first region is placed as an image a cell-specific pilot symbol with respect to the transmission antenna ports 0 to N−1 that can recognize both said first UE and said second UE, and on said second region is placed as an image a user-specific pilot symbol with respect to the transmission antenna ports 0 to M that can recognize said UE only.

    摘要翻译: 本发明涉及一种用于在支持在总共M个传输天线中支持N个发射天线的第一UE(用户设备)的下行链路MIMO(多输入多输出))系统中发送导频信号的方法,并且支持第二 UE支持所述M(M> N)个发射天线。 所述方法包括一个步骤,其中导频符号作为图像被放置在能够在基站中向所述第二UE发送用户专用导频符号的子帧上的资源块(RB)区域中; 并且发送其中所述导频符号已经被放置为图像的子帧的步骤,其中所述RB区域包括第一区域和第二区域,并且第一区域和第二区域各自包括一定数量的连续OFDM符号, 相对于能够识别所述第一UE和所述第二UE的发送天线端口0至N-1,并且在所述第二区域上,在所述第一区域上将所述第一区域作为图像放置为小区特定导频符号, 相对于仅能够识别所述UE的发送天线端口0至M而被放置为图像用户特定的导频符号。

    METHOD FOR TRANSMITTING MULTIPLE CODE WORDS IN A MULTIPLE ANTENNA SYSTEM
    104.
    发明申请
    METHOD FOR TRANSMITTING MULTIPLE CODE WORDS IN A MULTIPLE ANTENNA SYSTEM 有权
    用于在多个天线系统中发送多个代码词的方法

    公开(公告)号:US20110142001A1

    公开(公告)日:2011-06-16

    申请号:US13058494

    申请日:2009-08-10

    IPC分类号: H04W72/00

    CPC分类号: H04B7/0678

    摘要: Provided is a method of sending multiple codewords in a wireless communication system using a plurality of transmitting antennas. The method includes the steps of encoding a plurality of parallel information bit streams to generate a plurality of parallel codewords; modulating the plurality of parallel codewords to generate a plurality of parallel modulated symbol streams; performing a DFT (Discrete Fourier Transform) on the modulated symbol streams to generate a plurality of frequency domain symbol streams; performing a pre-coding process on the plurality of frequency domain symbol streams; mapping the plurality of precoded frequency domain symbol streams to resource elements; performing an IFFT (Inverse Fast Fourier Transform) on the plurality of frequency domain symbol streams to generate SC-FDMA (Single Carrier Frequency Division Multiple Access) symbols; performing shifting, at a predetermined time interval, on layers at which the plurality of parallel codewords, the plurality of parallel modulated symbol streams, or the plurality of frequency domain symbol streams; and transmitting the SC-FDMA symbol.

    摘要翻译: 提供了一种使用多个发送天线在无线通信系统中发送多个码字的方法。 该方法包括以下步骤:对多个并行信息比特流进行编码以产生多个并行码字; 调制所述多个并行码字以产生多个并行调制符号流; 对调制符号流执行DFT(离散傅里叶变换)以产生多个频域符号流; 对所述多个频域符号流执行预编码处理; 将所述多个预编码的频域符号流映射到资源元素; 对多个频域符号流执行IFFT(快速傅立叶逆变换),以产生SC-FDMA(单载波频分多址)符号; 以预定的时间间隔在所述多个并行码字,所述多个并行调制符号流或所述多个频域符号流中的层上进行移位; 并发送SC-FDMA符号。

    APPARATUS AND METHOD FOR DATA TRANSMISSION USING TRANSMISSION DIVERSITY IN SC-FDMA SYSTEM
    106.
    发明申请
    APPARATUS AND METHOD FOR DATA TRANSMISSION USING TRANSMISSION DIVERSITY IN SC-FDMA SYSTEM 有权
    在SC-FDMA系统中使用传输多样性进行数据传输的装置和方法

    公开(公告)号:US20110134903A1

    公开(公告)日:2011-06-09

    申请号:US13058488

    申请日:2009-06-05

    IPC分类号: H04B7/208

    摘要: Disclosed is a data transmission apparatus for providing transmission diversity in an SC-FDMA (Single Carrier-Frequency Division Multiple Access) system. The data transmission apparatus comprises: a data processor, which performs coding and modulation on an information bit to generate a data symbol; an SC-FDMA processor, which changes a weight matrix per change-cycle, precodes the data symbol for each weight matrix being changed and performs SC-FDMA modulation for generating an SC-FDMA symbol; and an RF unit, which transmits the SC-FDMA symbol. With the application of a PVS method to the SC-FDMA system, not only can transmission diversity be provided, but PAPR can also be reduced and single-carrier properties can be maintained.

    摘要翻译: 公开了一种用于在SC-FDMA(单载波 - 频分多址)系统中提供传输分集的数据传输装置。 数据传输装置包括:数据处理器,对信息位执行编码和调制以产生数据符号; 改变每个改变周期的权重矩阵的SC-FDMA处理器对每个被改变的权重矩阵的数据符号进行预编码,并执行SC-FDMA调制以产生SC-FDMA符号; 以及发送SC-FDMA符号的RF单元。 随着PVS方法的应用,SC-FDMA系统不仅可以提供传输分集,而且可以降低PAPR,保持单载波性能。

    METHOD FOR SAVING POWER IN A MULTI-CARRIER WIRELESS ACCESS SYSTEM
    108.
    发明申请
    METHOD FOR SAVING POWER IN A MULTI-CARRIER WIRELESS ACCESS SYSTEM 有权
    在多载波无线接入系统中节省功率的方法

    公开(公告)号:US20110128901A1

    公开(公告)日:2011-06-02

    申请号:US13056130

    申请日:2009-07-29

    IPC分类号: H04W52/02

    摘要: A method for saving power in a multi-carrier wideband wireless access system is provided. A method for saving the power of a receiver in a multi-carrier wireless communication system includes acquiring multi-carrier information from a transmitter on a primary carrier, entering one or more secondary carriers satisfying a predetermined power saving mode entry condition out of one or more secondary carriers included in the multi-carrier information into a power saving mode, and receiving data during a listening interval according to the power saving mode on the one or more secondary carriers entering the power saving mode. The multi-carrier information includes at least one of information about a plurality of available carriers, information indicating the primary carrier and the one or more secondary carriers out of the plurality of available carriers, and information about the power saving mode entry condition of the one or more secondary carriers.

    摘要翻译: 提供了一种在多载波宽带无线接入系统中节省功率的方法。 一种用于在多载波无线通信系统中节省接收机的功率的方法包括从主载波上的发射机获取多载波信息,从一个或多个载波信号中进入满足预定省电模式输入条件的一个或多个辅助载波 包括在多载波信息中的辅载波进入省电模式,并且在进入省电模式的一个或多个辅助载波上根据省电模式在监听间隔期间接收数据。 多载波信息包括关于多个可用载波的信息,指示主载波的信息和多个可用载波中的一个或多个次载波的信息中的至少一个以及关于多个可用载波的功率节省模式进入条件的信息 或更多次级载波。

    RANK FEEDBACK METHOD FOR MULTIPLE-INPUT MULTIPLE-OUTPUT TRANSMISSION
    109.
    发明申请
    RANK FEEDBACK METHOD FOR MULTIPLE-INPUT MULTIPLE-OUTPUT TRANSMISSION 有权
    用于多输入多输出传输的排序反馈方法

    公开(公告)号:US20090207784A1

    公开(公告)日:2009-08-20

    申请号:US12371565

    申请日:2009-02-13

    IPC分类号: H04W40/00 H04L27/28

    摘要: 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.

    摘要翻译: 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。

    Method and apparatus for efficiently transmitting control information to support uplink multiple antenna transmission
    110.
    发明授权
    Method and apparatus for efficiently transmitting control information to support uplink multiple antenna transmission 有权
    用于有效发送控制信息以支持上行链路多天线传输的方法和装置

    公开(公告)号:US09473270B2

    公开(公告)日:2016-10-18

    申请号:US13637624

    申请日:2011-03-29

    摘要: The present invention relates to a method for transmitting control information regarding uplink multiple antenna transmission in a base station according to one embodiment of the present invention may comprise the steps of: transmitting DCI for scheduling uplink transmission of a plurality of data blocks through a PDCCH; receiving the plurality of data blocks scheduled by the DCI using a plurality of layers; transmitting through a PHICH, information which indicates ACK or NACK for each of the plurality of received data blocks; and receiving a retransmission of the negative-acknowledged data blocks using one or more layers. When the number of the negative-acknowledged data blocks is not the same as the number of data blocks indicated in the PDCCH, one or more layers may be the same as those used in a previous transmission of the negative-acknowledged data blocks.

    摘要翻译: 本发明涉及根据本发明一个实施例的用于在基站中发送关于上行链路多天线传输的控制信息的方法,包括以下步骤:发送DCI,用于通过PDCCH调度多个数据块的上行传输; 接收由DCI使用多个层调度的多个数据块; 通过PHICH发送指示所述多个接收数据块中的每一个的ACK或NACK的信息; 以及使用一个或多个层接收所述否定确认数据块的重传。 当否定确认数据块的数量与PDCCH中指示的数据块的数量不同时,一个或多个层可以与在先前传送的否定确认数据块中使用的那些层相同。