Data relay apparatus, communication apparatus and communication method
    1.
    发明授权
    Data relay apparatus, communication apparatus and communication method 有权
    数据中继装置,通信装置及通信方法

    公开(公告)号:US08112033B2

    公开(公告)日:2012-02-07

    申请号:US12646377

    申请日:2009-12-23

    IPC分类号: H04B7/15

    摘要: A data relay apparatus includes a first demodulating unit, demodulating a modulation signal of a first modulation mode from a first transmission source; a second demodulating unit, demodulating a modulation signal from a second transmission source, having a modulation mode higher than the first modulation mode; a combination controlling unit, providing a mapping rule necessary for performing signal combination in accordance with the modulation mode of the modulation signal from each of the first and second transmission source, the mapping rule to map the demodulated modulation signal from the first transmission source together with the demodulated modulation signal from the second transmission source to a constellation of symbols of the second modulation mode; a data combining unit, performing data combination on the demodulated modulation signal from the first transmission source and the demodulated modulation signal from the second transmission source according to the mapping rule.

    摘要翻译: 数据中继装置包括:第一解调单元,从第一发送源解调第一调制模式的调制信号; 第二解调单元,对具有高于第一调制模式的调制模式的来自第二发送源的调制信号进行解调; 组合控制单元,提供根据来自第一和第二传输源中的每一个的调制信号的调制模式执行信号组合所必需的映射规则,映射规则将来自第一传输源的解调调制信号与 从第二传输源到第二调制模式的符号星座的解调调制信号; 数据组合单元,根据映射规则对来自第一发送源的解调调制信号和来自第二发送源的解调调制信号执行数据组合。

    Method and apparatus for designing modulation and coding set of communication system
    2.
    发明授权
    Method and apparatus for designing modulation and coding set of communication system 有权
    用于设计通信系统调制和编码集的方法和装置

    公开(公告)号:US08315295B2

    公开(公告)日:2012-11-20

    申请号:US12486574

    申请日:2009-06-17

    IPC分类号: H04B17/00

    摘要: The present invention provides method and apparatus for designing modulation and coding set of communication System. The method for designing modulation and coding set designs a proper set of modulation and coding schemes (MCS), based on probability distribution of the quality of received signal in the communication system, so as to optimize the whole performance of the communication system. The method comprises the steps of: acquiring the probability distribution of the quality of the received signal in the communication system; performing a calculation on the target performance of the communication system based on the acquired probability distribution of the quality of the received signal and a plurality of MCSs, to design a proper set of MCSs for the communication system, so that a region where the probability of the quality of the received signal appears more frequently are provided with more levels of the MCSs.

    摘要翻译: 本发明提供了一种用于设计通信系统的调制和编码集合的方法和装置。 基于通信系统中接收信号质量的概率分布,设计调制编码集的方法设计了适当的调制编码方案(MCS)集,从而优化了通信系统的整体性能。 该方法包括以下步骤:获取通信系统中接收信号质量的概率分布; 基于所获取的接收信号的质量和多个MCS的概率分布来对通信系统的目标性能进行计算,以设计用于通信系统的适当的MCS集合,使得可能性为 更频繁地出现接收到的信号的质量被提供更多级别的MCS。

    Method and apparatus for generating pre-coding matrix codebook
    3.
    发明授权
    Method and apparatus for generating pre-coding matrix codebook 有权
    用于生成预编码矩阵码本的方法和装置

    公开(公告)号:US08553798B2

    公开(公告)日:2013-10-08

    申请号:US13411160

    申请日:2012-03-02

    IPC分类号: H04B7/02 H04L1/02

    CPC分类号: H04B7/0426 H04L25/03898

    摘要: This disclosure relates a method and apparatus for generating pre-coding matrix codebook. The method for generating pre-coding matrix codebook, comprising: acquiring a universal set of pre-coding matrixes in a first format; acquiring a universal set of pre-coding matrixes in a second format; selecting a first predetermined number of pre-coding matrixes in the first format from the universal set of pre-coding matrixes in the first format; and selecting a second predetermined number of pre-coding matrixes in the second format from the universal set of pre-coding matrixes in the second format, according to the selected first predetermined number of pre-coding matrixes in the first format.

    摘要翻译: 本公开涉及一种用于生成预编码矩阵码本的方法和装置。 一种用于产生预编码矩阵码本的方法,包括:以第一格式获取通用的预编码矩阵集合; 以第二格式获取通用的预编码矩阵集合; 从第一格式的预编码矩阵的通用集合中选择第一格式的第一预定数量的预编码矩阵; 以及根据所选择的第一格式的第一预定数量的预编码矩阵,从第二格式的通用预编码矩阵集中选择第二格式的第二预定数量的预编码矩阵。

    Base station, multi-antenna communication system and communication method thereof
    4.
    发明授权
    Base station, multi-antenna communication system and communication method thereof 有权
    基站,多天线通信系统及其通信方法

    公开(公告)号:US08472549B2

    公开(公告)日:2013-06-25

    申请号:US13438480

    申请日:2012-04-03

    IPC分类号: H04B7/02

    摘要: A User equipment selecting first user equipment in a mode of precoding transmission and second user equipment in a mode of diversity transmission; a parameter determining a modulation mode, the number of transmission layers and a precoding matrix according to channel quality information, precoding matrix information and number of transmission layers sent from the first user equipment and channel quality information and number of transmission layers sent from the second user equipment; according to the modulation mode and the number of transmission layers, generating first and second symbol sequence from first and second source data; hierarchically modulating the first and the second symbol sequence to generate a mixed symbol sequence; layer mapping and precoding for the mixed symbol sequence to generate transmission signals; and transmitting the precoding matrix and the number of transmission layers to the second user equipment; sending the transmission signals to the first and second user equipments.

    摘要翻译: A用户设备以分集传输模式以预编码传输和第二用户设备的模式选择第一用户设备; 根据信道质量信息确定调制模式,传输层数和预编码矩阵的参数,从第一用户设备发送的预编码矩阵信息和传输层数,以及从第二用户发送的信道质量信息和传输层数 设备; 根据调制方式和发送层数,从第一和第二源数据生成第一和第二符号序列; 分级调制第一和第二符号序列以产生混合符号序列; 用于混合符号序列的层映射和预编码以产生传输信号; 以及将所述预编码矩阵和所述传输层的数量发送到所述第二用户设备; 将发送信号发送到第一和第二用户设备。

    Method and apparatus for generating pre-coding matrix codebook

    公开(公告)号:US08520761B2

    公开(公告)日:2013-08-27

    申请号:US13411160

    申请日:2012-03-02

    IPC分类号: H04B7/02 H04L1/02

    摘要: This disclosure relates a method and apparatus for generating pre-coding matrix codebook. The method for generating pre-coding matrix codebook, comprising: acquiring a universal set of pre-coding matrixes in a first format; acquiring a universal set of pre-coding matrixes in a second format; selecting a first predetermined number of pre-coding matrixes in the first format from the universal set of pre-coding matrixes in the first format; and selecting a second predetermined number of pre-coding matrixes in the second format from the universal set of pre-coding matrixes in the second format, according to the selected first predetermined number of pre-coding matrixes in the first format.

    Communication apparatus, base station and coordinated multipoint communication method
    6.
    发明授权
    Communication apparatus, base station and coordinated multipoint communication method 失效
    通信装置,基站和协调多点通信方式

    公开(公告)号:US08483292B2

    公开(公告)日:2013-07-09

    申请号:US13284593

    申请日:2011-10-28

    IPC分类号: H04L27/00

    摘要: The communication apparatus includes: a channel estimating unit for acquiring a channel estimation value of a channel between the communication apparatus and a cell base station of a cell in which the communication apparatus is located; a transmitter transmitting the channel estimation value or information based on the channel estimation value to the cell base station; a receiver receiving coordinated multipoint (CoMP) message from the cell base station, the CoMP message indicates the CoMP transmission mode, the codebook or precoding matrix used by the cell base station, and the codebook or precoding matrix used by a coordinated base station that coordinates with the cell base station; a channel matrix forming unit for acquiring a channel matrix according to the CoMP message; and a decoder decoding received signals according to the channel matrix and the CoMP message.

    摘要翻译: 通信装置包括:信道估计单元,用于获取通信装置与通信装置所在的小区的小区基站之间的信道的信道估计值; 发射机,根据所述信道估计值向所述小区基站发送所述信道估计值或信息; 接收机从小区基站接收协调多点(CoMP)消息,CoMP消息指示小区基站使用的CoMP传输模式,码本或预编码矩阵,以及由协调基站使用的码本或预编码矩阵, 与小区基站; 信道矩阵形成单元,用于根据所述CoMP消息获取信道矩阵; 解码器根据信道矩阵和CoMP消息解码接收信号。

    Method For Selecting Subchannel Mode And MIMO Communication System Using The Same
    7.
    发明申请
    Method For Selecting Subchannel Mode And MIMO Communication System Using The Same 失效
    选择子信道模式的方法和使用它的MIMO通信系统

    公开(公告)号:US20090238297A1

    公开(公告)日:2009-09-24

    申请号:US12370428

    申请日:2009-02-12

    IPC分类号: H04L1/02

    CPC分类号: H04L1/0001

    摘要: The invention relates to Method for Selecting Subchannel Mode and MIMO Communication System Using the Same. A method for self-adaptively selecting a code modulation sub-channel mode is suitably used in a MIMO communication system that comprises a base station and mobile terminals, wherein the method comprises the steps of: the mobile terminal estimating channel state information thereof, and determining a sub-channel structure most suitable for data transmission thereto, based on the channel state information; the mobile terminal feeding back information on the determined sub-channel structure most suitable for data transmission thereto to the base station; and the base station determining a sub-channel structure used for a down link, based on the information on the sub-channel structure fed back by the mobile terminal. According to the present invention, the subchannel structure in the communication system can be self-adaptively changed according to the actual communication environment, so as to improve the entire communication quality and efficiency.

    摘要翻译: 本发明涉及用于选择子信道模式的方法和使用该信道模式的MIMO通信系统。 一种用于自适应地选择码调制子信道模式的方法适用于包括基站和移动终端的MIMO通信系统,其中该方法包括以下步骤:移动终端估计其信道状态信息,并确定 基于信道状态信息最适合于数据传输的子信道结构; 所述移动终端将关于所述确定的最适合于向所述基站的数据传输的子信道结构的信息反馈给所述基站; 并且基于由移动终端反馈的子信道结构的信息,基站确定用于下行链路的子信道结构。 根据本发明,通信系统中的子信道结构可以根据实际的通信环境自适应地改变,从而提高整个通信质量和效率。

    Method for selecting subchannel mode and MIMO communication system using the same
    8.
    发明授权
    Method for selecting subchannel mode and MIMO communication system using the same 失效
    用于选择子信道模式的方法和使用其的MIMO通信系统

    公开(公告)号:US08488704B2

    公开(公告)日:2013-07-16

    申请号:US12370428

    申请日:2009-02-12

    IPC分类号: H04L1/02 H04B7/02

    CPC分类号: H04L1/0001

    摘要: The invention relates to Method for Selecting Subchannel Mode and MIMO Communication System Using the Same. A method for self-adaptively selecting a code modulation sub-channel mode is suitably used in a MIMO communication system that comprises a base station and mobile terminals, wherein the method comprises the steps of: the mobile terminal estimating channel state information thereof, and determining a sub-channel structure most suitable for data transmission thereto, based on the channel state information; the mobile terminal feeding back information on the determined sub-channel structure most suitable for data transmission thereto to the base station; and the base station determining a sub-channel structure used for a down link, based on the information on the sub-channel structure fed back by the mobile terminal. According to the present invention, the subchannel structure in the communication system can be self-adaptively changed according to the actual communication environment, so as to improve the entire communication quality and efficiency.

    摘要翻译: 本发明涉及用于选择子信道模式的方法和使用该信道模式的MIMO通信系统。 一种用于自适应地选择码调制子信道模式的方法适用于包括基站和移动终端的MIMO通信系统,其中该方法包括以下步骤:移动终端估计其信道状态信息,并确定 基于信道状态信息最适合于数据传输的子信道结构; 所述移动终端将关于所述确定的最适合于向所述基站的数据传输的子信道结构的信息反馈给所述基站; 并且基于由移动终端反馈的子信道结构的信息,基站确定用于下行链路的子信道结构。 根据本发明,通信系统中的子信道结构可以根据实际的通信环境自适应地改变,从而提高整个通信质量和效率。

    Method and apparatus for conveying downlink scheduling signaling
    9.
    发明授权
    Method and apparatus for conveying downlink scheduling signaling 有权
    传送下行调度信令的方法和装置

    公开(公告)号:US08971266B2

    公开(公告)日:2015-03-03

    申请号:US13528038

    申请日:2012-06-20

    摘要: A method and an apparatus for conveying downlink scheduling signaling. The method comprises: generating a plurality of masking sequences corresponding to a plurality of predetermined downlink scheduling information including downlink physical resource assignment indicating information or power assignment information for a Demodulation Reference Signal (DMRS); and selecting a corresponding masking sequence from the plurality of masking sequences based on downlink scheduling information to be notified to a User Equipment (UE), and masking a Cyclic Redundancy Check (CRC) of a corresponding downlink control channel of the user equipment with the selected masking sequence for transmission.

    摘要翻译: 一种用于传送下行链路调度信令的方法和装置。 该方法包括:产生对应于包括用于解调参考信号(DMRS)的下行链路物理资源分配指示信息或功率分配信息的多个预定下行链路调度信息的多个屏蔽序列; 以及基于将被通知给用户设备(UE)的下行链路调度信息从所述多个屏蔽序列中选择相应的屏蔽序列,并且使用所选择的用户设备屏蔽所述用户设备的相应下行链路控制信道的循环冗余校验(CRC) 用于传输的屏蔽序列。

    Code generating apparatus, reference signal generating apparatus, and methods thereof
    10.
    发明授权
    Code generating apparatus, reference signal generating apparatus, and methods thereof 有权
    代码生成装置,参考信号生成装置及其方法

    公开(公告)号:US08705590B2

    公开(公告)日:2014-04-22

    申请号:US13544475

    申请日:2012-07-09

    IPC分类号: H04B1/00

    摘要: A demodulation reference signal generator includes a non-correlation sequence generator to generate a non-correlation sequence for RS of a first resource block; a first spectrum spreading unit to spread spectrums of elements in the non-correlation sequence for RS to be mapped to a first frequency resource of the first resource block, by using a first group of codes; a second spectrum spreading unit to spread spectrums of elements in the non-correlation sequence for RS to be mapped to a second frequency resource of the first resource block, using a second group of Codes; the first and second frequency resources are adjacent frequency resources used for RS transmission in the first resource block, and the first and second groups of Codes are mirrors in column to each other; and a mapping unit to map the spectrum-spread elements to the first and second frequency resources.

    摘要翻译: 解调参考信号发生器包括:非相关序列发生器,用于产生第一资源块的RS的非相关序列; 第一频谱扩展单元,通过使用第一代码组来扩展用于要映射到第一资源块的第一频率资源的RS的非相关序列中的元素的频谱; 第二频谱扩展单元,使用第二组码将第一资源块的第二频率资源映射到RS的非相关序列中的要素频谱扩展; 第一和第二频率资源是在第一资源块中用于RS传输的相邻频率资源,并且第一和第二组代码是彼此列的反射镜; 以及映射单元,用于将频谱扩展元件映射到第一和第二频率资源。