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    Method and device for decoding of precoded signals
    1.
    发明授权
    Method and device for decoding of precoded signals 有权
    用于解码预编码信号的方法和装置

    公开(公告)号：US08731094B2

    公开(公告)日：2014-05-20

    申请号：US13562700

    申请日：2012-07-31

    申请人： Jinhua Liu ,  Qingyu Miao ,  Erik Larsson ,  Andreas Jussi Peter Richard Cedergren

    发明人： Jinhua Liu ,  Qingyu Miao ,  Erik Larsson ,  Andreas Jussi Peter Richard Cedergren

    IPC分类号： H04B7/02

    CPC分类号： H04L25/03343 ,  H04B7/0456 ,  H04B7/0626 ,  H04B7/0634 ,  H04L25/0224 ,  H04L25/03949 ,  H04L2025/03426

    摘要： The present invention relates to a method and a device for decoding precoded signals in a wireless communication system and network node or terminal associated therewith. The wireless communication system comprises a sender and a receiver that share a codebook containing a plurality of precoding matrices. The sender precodes at least a data signal to be transmitted with one of the plurality of precoding matrices. Said method comprising receiving signals from the sender, estimating a channel between the sender and the receiver based on a part of received signals that is known a priori, evaluating relevancies of precoding matrices in said codebook to a precoded signal in the received signals based on at least the estimated channel and the codebook according to a predetermined criterion, and selecting a precoding matrix with maximum relevancy by comparing the evaluated relevancies, and applying the selected precoding matrix for decoding the received precoded signal.

    摘要翻译： 本发明涉及用于解码无线通信系统中的预编码信号的方法和装置以及与其相关联的网络节点或终端。 无线通信系统包括共享包含多个预编码矩阵的码本的发送器和接收器。 发送方至少预先将数据信号与多个预编码矩阵中的一个进行发送。 所述方法包括从发送器接收信号，基于已知先验已知的接收信号的一部分来估计发送器和接收器之间的信道，基于以下步骤，将所述码本中的预编码矩阵的相对值估计为接收信号中的预编码信号 最小估计信道和码本，并且通过比较所评估的相关度来选择具有最大相关性的预编码矩阵，以及应用所选择的预编码矩阵来解码所接收的预编码信号。

    Method and Device for Decoding of Precoded Signals
    2.
    发明申请
    Method and Device for Decoding of Precoded Signals 有权
    预编码信号解码的方法和装置

    公开(公告)号：US20130034180A1

    公开(公告)日：2013-02-07

    申请号：US13562700

    申请日：2012-07-31

    申请人： Jinhua Liu ,  Qingyu Miao ,  Erik Larsson ,  Andreas Jussi Peter Richard Cedergren

    发明人： Jinhua Liu ,  Qingyu Miao ,  Erik Larsson ,  Andreas Jussi Peter Richard Cedergren

    IPC分类号： H04B7/02

    CPC分类号： H04L25/03343 ,  H04B7/0456 ,  H04B7/0626 ,  H04B7/0634 ,  H04L25/0224 ,  H04L25/03949 ,  H04L2025/03426

    摘要： The present invention relates to a method and a device for decoding precoded signals in a wireless communication system and network node or terminal associated therewith. The wireless communication system comprises a sender and a receiver that share a codebook containing a plurality of precoding matrices. The sender precodes at least a data signal to be transmitted with one of the plurality of precoding matrices. Said method comprising receiving signals from the sender, estimating a channel between the sender and the receiver based on a part of received signals that is known a priori, evaluating relevancies of precoding matrices in said codebook to a precoded signal in the received signals based on at least the estimated channel and the codebook according to a predetermined criterion, and selecting a precoding matrix with maximum relevancy by comparing the evaluated relevancies, and applying the selected precoding matrix for decoding the received precoded signal.

    摘要翻译： 本发明涉及用于解码无线通信系统中的预编码信号的方法和装置以及与其相关联的网络节点或终端。 无线通信系统包括共享包含多个预编码矩阵的码本的发送器和接收器。 发送方至少预先将数据信号与多个预编码矩阵中的一个进行发送。 所述方法包括从发送器接收信号，基于已知先验已知的接收信号的一部分来估计发送器和接收器之间的信道，基于以下步骤，将所述码本中的预编码矩阵的相关度估计为接收信号中的预编码信号 最小估计信道和码本，并且通过比较所评估的相关度来选择具有最大相关性的预编码矩阵，以及应用所选择的预编码矩阵来解码所接收的预编码信号。

    Code allocation for uplink MIMO
    4.
    发明授权
    Code allocation for uplink MIMO 有权
    上行MIMO的码分配

    公开(公告)号：US09319111B2

    公开(公告)日：2016-04-19

    申请号：US13376744

    申请日：2011-11-30

    申请人： Jinhua Liu ,  Johan Hultell ,  Johan Bergman ,  Qingyu Miao

    发明人： Jinhua Liu ,  Johan Hultell ,  Johan Bergman ,  Qingyu Miao

    IPC分类号： H04B7/00 ,  H04B7/04 ,  H04J13/20 ,  H04B7/06

    CPC分类号： H04B7/0404 ,  H04B7/0417 ,  H04B7/0639 ,  H04J13/20

    摘要： The disclosure relates to methods and apparatuses that allow for channelization code allocation adapted for uplink MIMO transmissions. A method for use in a user equipment of a telecommunication system comprises spreading data symbols of a plurality of streams to be transmitted from the user equipment as MIMO transmissions. The step of spreading the data symbols comprises allocating, for each stream, at least one channelization code (62) to be applied for spreading the data symbols of the stream. The plurality of streams are allocated channelization codes (62) from a predefined code tree (61) of applicable channelization codes such that any channelization code (62) is allocated to more than one stream only if there is no applicable channelization code left in the code tree (61) which currently is not allocated for any stream. The channelization code allocation scheme makes it possible to avoid inter-stream interference in many scenarios of uplink MIMO transmissions.

    摘要翻译： 本公开涉及允许适用于上行链路MIMO传输的信道化码分配的方法和装置。 一种在电信系统的用户设备中使用的方法包括将要从用户设备发送的多个流的数据符号扩展为MIMO传输。 扩展数据符号的步骤包括为每个流分配要应用于扩展流的数据符号的至少一个信道化码（62）。 多个流从适用的信道化代码的预定码树（61）中分配信道化码（62），使得只有在代码中没有可用的信道化码时，任何信道化码（62）被分配给多于一个流 目前尚未为任何流分配树（61）。 信道化码分配方案可以避免上行链路MIMO传输的许多场景中的流间干扰。

    Interference estimation for uplink TDM in a wireless system
    5.
    发明授权
    Interference estimation for uplink TDM in a wireless system 有权
    无线系统中的上行TDM的干扰估计

    公开(公告)号：US08599742B2

    公开(公告)日：2013-12-03

    申请号：US12867359

    申请日：2008-04-09

    申请人： Jinhua Liu ,  Qingyu Miao

    发明人： Jinhua Liu ,  Qingyu Miao

    IPC分类号： H04B7/185

    CPC分类号： H04B1/7097 ,  H04B17/336 ,  H04W52/12 ,  H04W52/146 ,  H04W52/243

    摘要： A system can be implemented in a station associated with a wireless network and the station can receive uplink time division multiplexed (TDM) transmissions from a user device. The system includes a first filter to filter uplink TDM transmissions, associated with the user device, during a first period of time when the user device is transmitting on an uplink data channel (DCH) to generate a first interference estimate. The system further includes a second filter to filter uplink TDM transmissions, associated with the user device, during a second period of time when the user device is not transmitting on the uplink DCH to generate a second interference estimate. The system also includes a third filter to filter uplink TDM transmissions, associated with the user device, during the first and second periods of time, to generate a third interference estimate. The system further includes a power control unit to determine one or more power control commands for sending to the user device based on the first, second and third interference estimates.

    摘要翻译： 系统可以在与无线网络相关联的站中实现，并且该站可以从用户设备接收上行链路时分复用（TDM）传输。 在用户设备在上行链路数据信道（DCH）上进行发送以产生第一干扰估计的第一时段期间，该系统包括用于过滤与用户设备相关联的上行链路TDM传输的第一过滤器。 该系统还包括第二滤波器，用于在用户设备不在上行链路DCH上发送以产生第二干扰估计的第二时段期间过滤与用户设备相关联的上行链路TDM传输。 该系统还包括第三滤波器，以在第一和第二时段期间过滤与用户设备相关联的上行链路TDM传输，以产生第三干扰估计。 该系统还包括功率控制单元，用于基于第一，第二和第三干扰估计来确定用于向用户设备发送的一个或多个功率控制命令。

    Methods and Apparatuses for Transmission Power Control
    6.
    发明申请
    Methods and Apparatuses for Transmission Power Control 有权
    传输功率控制的方法和装置

    公开(公告)号：US20130260814A1

    公开(公告)日：2013-10-03

    申请号：US13378293

    申请日：2011-11-30

    申请人： Johan Bergman ,  Johan Hultell ,  Jinhua Liu ,  Qingyu Miao

    发明人： Johan Bergman ,  Johan Hultell ,  Jinhua Liu ,  Qingyu Miao

    IPC分类号： H04W52/12

    CPC分类号： H04W52/36 ,  H04B7/0404 ,  H04B7/0413 ,  H04L5/0048 ,  H04W52/12 ,  H04W52/146 ,  H04W52/16 ,  H04W52/325 ,  H04W52/42

    摘要： The disclosure relates to methods and apparatuses that facilitate power and quality control of uplink MIMO transmissions. A method in a NodeB comprises controlling (50) transmission power of multiple pilot signals transmitted by a user equipment by using a single inner power control loop operating on at least one pilot signal of the multiple pilot signals. Some disclosed embodiments also relate to adjustment (60) of a quality target applied by the single inner power control loop and to updating (71, 72) of a power offset for computing the number of bits that the user equipment can transmit on a stream that is associated with a pilot signal that is not power controlled by the single inner power control loop.

    摘要翻译： 本公开涉及促进上行链路MIMO传输的功率和质量控制的方法和装置。 节点B中的方法包括通过使用对多个导频信号的至少一个导频信号进行操作的单个内部功率控制环来控制（50）由用户设备发送的多个导频信号的发送功率。 一些公开的实施例还涉及由单个内部功率控制环路施加的质量目标的调整（60）和用于计算用户设备可以在流的流上传送的位数的功率偏移（71,72）的更新（71,72） 与不由单个内部功率控制回路进行功率控制的导频信号相关联。

    Method and Apparatus for Transport Format Selection in Wireless Communication System
    7.
    发明申请
    Method and Apparatus for Transport Format Selection in Wireless Communication System 有权
    无线通信系统中传输格式选择的方法与装置

    公开(公告)号：US20130136090A1

    公开(公告)日：2013-05-30

    申请号：US13806436

    申请日：2010-08-19

    申请人： Jinhua Liu ,  Qingyu Miao

    发明人： Jinhua Liu ,  Qingyu Miao

    IPC分类号： H04W72/02

    CPC分类号： H04W72/02 ,  H04B7/0413 ,  H04L1/0002 ,  H04L1/0006 ,  H04L1/06

    摘要： The present invention relates to a method, apparatus for selecting transport formats in a wireless transmitting device and wireless communication device associated therewith, wherein the wireless transmitting device supports transmission modes including single-stream transmission mode and multiple-stream transmission mode and comprises a transmit buffer to buffer data before transport format being selected for transmitting said data to a wireless receiving device, comprising: acquiring radio qualities associated with each stream being transmitted to the wireless receiving device; setting the transmission mode according to received radio qualities; detecting whether there is buffer limitation for said transmit buffer when multiple-stream transmission mode is set; and when buffer limitation is detected and multiple-stream transmission mode is selected for stream transmission, allocating the buffered data among the multiple streams based on the received radio qualities associated with respective streams and selecting transport formats for respective streams of the multiple streams based on their respective allocated buffered data quantities. This enables to obviate the TX power imbalance in case of multiple-stream transmissions, balance code and power usage among UEs in a cell, and thus improve code multiplexing efficiency.

    摘要翻译： 本发明涉及一种在无线发射装置中选择传输格式的方法，装置和与之相关联的无线通信装置，其中无线发射装置支持包括单流传输模式和多流传输模式的传输模式，并且包括发送缓冲器 选择用于将所述数据发送到无线接收设备的传输格式之前的缓冲数据，包括：获取与正被发射到所述无线接收设备的每个流相关联的无线电质量; 根据接收到的无线电质量设置传输模式; 当设置多流传输模式时，检测所述发送缓冲器是否存在缓冲器限制; 并且当检测到缓冲器限制并且选择用于流传输的多流传输模式时，基于与相应流相关联的接收到的无线电质量来分配多个流中的缓冲数据，并且基于它们来选择多个流的各个流的传输格式 各自分配的缓冲数据量。 这使得能够消除在小区中的UE之间的多流传输，平衡码和功率使用的情况下的TX功率不平衡，从而提高码复用效率。

    Methods and Devices for Multipoint Transmission
    9.
    发明申请
    Methods and Devices for Multipoint Transmission 有权
    多点传输的方法和设备

    公开(公告)号：US20120190375A1

    公开(公告)日：2012-07-26

    申请号：US13383617

    申请日：2011-12-22

    申请人： Xinyu Gu ,  Johan Hultell ,  Qingyu Miao ,  Jinhua Liu

    发明人： Xinyu Gu ,  Johan Hultell ,  Qingyu Miao ,  Jinhua Liu

    IPC分类号： H04W4/00 ,  H04W72/12

    CPC分类号： H04W28/0231 ,  H04B7/024

    摘要： Methods and devices are provided whereby a cellular radio network, in particular a node in the network is configured to dynamically transmit data to UE from different cells while considering information that is not known to a central node, such as an RNC. This can in accordance with some embodiments be accomplished by decoupling the procedure of handling a set of cells form which simultaneous transmission of data to a UE can take place.

    摘要翻译： 提供了方法和设备，其中蜂窝无线电网络，特别是网络中的节点被配置为在考虑诸如RNC的中央节点未知的信息的同时，从不同小区动态地向UE发送数据。 这可以根据一些实施例通过解耦处理一组小区的过程来实现，该小区形式可同时发送数据到UE。

    Methods and apparatus for cell selection
    10.
    发明授权
    Methods and apparatus for cell selection 有权
    细胞选择的方法和装置

    公开(公告)号：US09439138B2

    公开(公告)日：2016-09-06

    申请号：US14384882

    申请日：2012-03-14

    申请人： Jinhua Liu ,  Xinyu Gu ,  Qingyu Miao ,  Stephen Grant

    发明人： Jinhua Liu ,  Xinyu Gu ,  Qingyu Miao ,  Stephen Grant

    IPC分类号： H04W72/00 ,  H04W36/00 ,  H04W48/20 ,  H04W36/08 ,  H04L5/00 ,  H04W74/08

    CPC分类号： H04W48/20 ,  H04L5/0035 ,  H04W36/08 ,  H04W74/0833

    摘要： The present disclosure relates to a cell selection scheme. In one embodiment, there provides a method for performing a cell selection for a UE at a primary serving cell of the UE in a CoMP cluster including the primary serving cell and one or more candidate cells, the method comprising the steps of: receiving PRACH measurements for the UE from the candidate cells; and selecting from the candidate cells one or more cells for the UE as its secondary serving cells based on the received PRACH measurements.

    摘要翻译： 本公开涉及一种小区选择方案。 在一个实施例中，提供了一种用于在包括主服务小区和一个或多个候选小区的CoMP群集中的UE的主服务小区处为UE执行小区选择的方法，所述方法包括以下步骤：接收PRACH测量 对于来自候选小区的UE; 以及基于所接收的PRACH测量，从所述候选小区中选择所述UE的一个或多个小区作为其辅助服务小区。