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    MOBILE STATION APPARATUS, BASE STATION APPARATUS, MIMO SYSTEM AND DATA TRANSMISSION METHOD
    1.
    发明申请
    MOBILE STATION APPARATUS, BASE STATION APPARATUS, MIMO SYSTEM AND DATA TRANSMISSION METHOD 有权
    移动站设备，基站设备，MIMO系统和数据传输方法

    公开(公告)号：US20130287132A1

    公开(公告)日：2013-10-31

    申请号：US13511067

    申请日：2010-11-26

    申请人： Hidekazu Taoka ,  Katsutoshi Kusume ,  Karim Ibrahim Khashaba ,  Guido Dietl

    发明人： Hidekazu Taoka ,  Katsutoshi Kusume ,  Karim Ibrahim Khashaba ,  Guido Dietl

    IPC分类号： H04B7/04

    CPC分类号： H04B7/0456 ,  H04B7/0452 ,  H04B7/0486 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0689 ,  H04L1/0002 ,  H04L1/0026 ,  H04L25/0202 ,  H04L25/03949 ,  H04L2025/03808 ,  H04W52/346

    摘要： To increase a data rate irrespective of whether the spatial correlation between channels is high or low, while ensuring compatibility with the LTE-scheme MIMO system, in a MIMO system in which a base station apparatus (eNode B) switches between SU-MIMO transmission and ZF MU-MIMO transmission based on feedback information from a mobile station apparatus (UE) to perform data transmission, the mobile station apparatus (UE) selects a PMI and an RI corresponding to an Hermitian transpose of a channel matrix indicative of channel characteristics, calculates a CQI from the PMI, and transmits the PMI, RI and CQI as feedback, and the base station apparatus (eNode B) calculates a first data rate of the case of performing SU-MIMO transmission and a second data rate of the case of performing ZF MU-MIMO transmission based on the PMI that is fed back, and selects a transmission scheme corresponding to a higher data rate between the first and second data rates.

    摘要翻译： 为了增加数据速率，无论信道之间的空间相关性是高还是低，在确保与LTE方案MIMO系统的兼容性的MIMO系统中，基站装置（eNode B）在SU-MIMO传输和 基于来自移动站装置（UE）的反馈信息进行数据发送的ZF MU-MIMO发送，移动站装置（UE）选择对应于表示信道特性的信道矩阵的厄米转置的PMI和RI，计算 来自PMI的CQI，作为反馈发送PMI，RI，CQI，基站装置（eNode B）计算执行SU-MIMO发送的情况的第一数据速率和执行SU-MIMO的情况的第二数据速率 基于反馈的PMI的ZF MU-MIMO传输，并且选择与第一和第二数据速率之间的较高数据速率相对应的传输方案。

    Mobile station apparatus and channel information feedback method
    2.
    发明授权
    Mobile station apparatus and channel information feedback method 有权
    移动台设备和信道信息反馈方法

    公开(公告)号：US08964870B2

    公开(公告)日：2015-02-24

    申请号：US13522427

    申请日：2011-01-20

    申请人： Hidekazu Taoka ,  Katsutoshi Kusume ,  Karim Ibrahim Khashaba

    发明人： Hidekazu Taoka ,  Katsutoshi Kusume ,  Karim Ibrahim Khashaba

    IPC分类号： H04B7/02 ,  H04B7/04 ,  H04L25/03 ,  H04B7/06 ,  H04L1/00 ,  H04L5/00 ,  H04L25/02 ,  H04W28/18

    CPC分类号： H04B7/0417 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0639 ,  H04L1/0026 ,  H04L5/0007 ,  H04L25/0204 ,  H04L25/0224 ,  H04L25/0391 ,  H04W28/18

    摘要： To perform feedback of channel information suitable for MU-MIMO transmission while exploiting a codebook that defines precoding matrixes and PMIs suitable for SU-MIMO transmission, it is a feature that a channel matrix corresponding to a channel transmission path is defined using a plurality of precoding matrixes defined in a codebook suitable for SU-MIMO transmission and a plurality of adjustment coefficients to respectively adjust the plurality of precoding matrixes, a channel information selecting section (111) selects a plurality of precoding matrixes and/or a plurality of adjustment coefficients, and that the selected plurality of precoding matrixes and/or the plurality of adjustment coefficients are transmitted to a base station apparatus as channel information in uplink.

    摘要翻译： 为了在利用定义适用于SU-MIMO传输的预编码矩阵和PMI的码本的情况下执行适合于MU-MIMO传输的信道信息的反馈，特征在于使用多个预编码来定义与信道传输路径相对应的信道矩阵 在适用于SU-MIMO传输的码本中定义的矩阵和多个调整系数分别调整多个预编码矩阵，信道信息选择部分（111）选择多个预编码矩阵和/或多个调整系数，以及 所选择的多个预编码矩阵和/或多个调整系数作为上行链路中的信道信息被发送到基站装置。

    Communication control method, base station apparatus and mobile station apparatus
    4.
    发明授权
    Communication control method, base station apparatus and mobile station apparatus 有权
    通信控制方法，基站装置和移动站装置

    公开(公告)号：US08873666B2

    公开(公告)日：2014-10-28

    申请号：US13816509

    申请日：2011-08-12

    申请人： Yuichi Kakishima ,  Katsutoshi Kusume ,  Hidekazu Taoka

    发明人： Yuichi Kakishima ,  Katsutoshi Kusume ,  Hidekazu Taoka

    IPC分类号： H04B7/02 ,  H04L1/02 ,  H04B7/06

    CPC分类号： H04B7/0478 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/0652

    摘要： In order to suppress deterioration of the throughput performance of the whole system in the MIMO system performing MIMO transmission, the present invention is characterized in that in a codebook in which there are defined a plurality of precoding weights and a plurality of PMIs (Precoding Matrix Indicators) assigned to the precoding weights, bit information of the PMIs assigned to the precoding weights is adjusted in such a manner as to suppress an effect of feedback error from a mobile station apparatus. The bit information of the PMIs assigned to the precoding weights is adjusted in such a manner as to suppress an effect of a transmission beam formed with a PMI in which feedback error is detected.

    摘要翻译： 为了抑制在执行MIMO传输的MIMO系统中整个系统的吞吐量性能的恶化，本发明的特征在于，在定义了多个预编码权重和多个PMI（编码矩阵指示符）的码本中， ）调整分配给预编码权重的PMI的比特信息，以抑制来自移动台装置的反馈误差的影响。 调整分配给预编码权重的PMI的比特信息，以便抑制由检测到反馈误差的PMI形成的发送波束的影响。

    Precoding weight generation method, mobile station apparatus and base station apparatus
    5.
    发明授权
    Precoding weight generation method, mobile station apparatus and base station apparatus 有权
    预编码权重生成方法，移动台装置和基站装置

    公开(公告)号：US08842763B2

    公开(公告)日：2014-09-23

    申请号：US13522737

    申请日：2011-01-20

    申请人： Hidekazu Taoka ,  Katsutoshi Kusume

    发明人： Hidekazu Taoka ,  Katsutoshi Kusume

    IPC分类号： H04B7/02 ,  H04B7/06 ,  H04B7/10 ,  H04B7/04

    CPC分类号： H04B7/0452 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/0689 ,  H04B7/10

    摘要： To increase a data rate (spectral efficiency) of the entire system also in the case of dynamically switching between SU-MIMO transmission and MU-MIMO transmission, it is a feature that a mobile station apparatus (10) selects a PMI associated with a precoding matrix including matrix elements corresponding to a stream that most approximates a channel matrix indicative of a channel state in a channel transmission path to transmit to a base station apparatus (20) as feedback, and that the base station apparatus (20) extracts the matrix elements corresponding to the stream that most approximates the channel state in the channel transmission path from the precoding matrix associated with the PMI transmitted from the mobile station apparatus (10) as feedback, and based on the extracted matrix elements, generates precoding weights.

    摘要翻译： 为了在SU-MIMO传输和MU-MIMO传输之间动态切换的情况下也增加整个系统的数据速率（频谱效率），移动站装置（10）选择与预编码相关联的PMI 矩阵，其包括对应于最接近于指示信道传输路径中的信道状态的信道矩阵的流的矩阵元素，以作为反馈发送到基站装置（20），并且所述基站装置（20）提取矩阵元素 对应于从与从移动站装置（10）发送的PMI相关联的预编码矩阵的信道传输路径中最接近的信道状态的流作为反馈，并且基于所提取的矩阵元素，生成预编码权重。

    MOBILE TERMINAL APPARATUS AND RADIO COMMUNICATION METHOD
    6.
    发明申请
    MOBILE TERMINAL APPARATUS AND RADIO COMMUNICATION METHOD 有权
    移动终端设备和无线电通信方法

    公开(公告)号：US20130182672A1

    公开(公告)日：2013-07-18

    申请号：US13816812

    申请日：2011-08-11

    申请人： Yuichi Kakishima ,  Hidekazu Taoka ,  Katsutoshi kusume

    发明人： Yuichi Kakishima ,  Hidekazu Taoka ,  Katsutoshi kusume

    IPC分类号： H04B7/04

    CPC分类号： H04B7/0417 ,  H04B7/0452 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/066 ,  H04L5/0053 ,  H04L25/0204 ,  H04L25/03949 ,  H04L2025/03426 ,  H04L2025/03808 ,  H04W16/28 ,  H04W24/10

    摘要： The present invention provides a mobile terminal apparatus and a radio communication method which can feed back precoders that are essential to generate precoding weights in downlink MIMO transmission. With the present invention, in the first mode to feed back subband second PMIs that are selected per bandwidth part through a physical uplink control channel, a subband second PMI and a wideband second PMI are selected from a second codebook, the subband second PMI and the wideband second PMI are multiplexed on a subframe, and the multiplex signals is transmitted to a radio base station apparatus through the above physical uplink control channel.

    摘要翻译： 本发明提供一种移动终端装置和无线通信方法，其能够反馈在下行链路MIMO传输中生成预编码权重所必需的预编码器。 利用本发明，在通过物理上行链路控制信道反馈每个带宽部分选择的子带第二PMI的第一模式中，从第二码本，子带第二PMI和第二码本中选择子带第二PMI和宽带第二PMI 宽带第二PMI在子帧上复用，并且通过上述物理上行链路控制信道将多路复用信号发送到无线基站装置。

    Base station apparatus, mobile station apparatus and control information transmission method
    8.
    发明授权
    Base station apparatus, mobile station apparatus and control information transmission method 有权
    基站装置，移动台装置及控制信息传输方法

    公开(公告)号：US09184811B2

    公开(公告)日：2015-11-10

    申请号：US13518912

    申请日：2011-01-05

    申请人： Hidekazu Taoka ,  Yoshihisa Kishiyama ,  Nobuhiko Miki ,  Katsutoshi Kusume

    发明人： Hidekazu Taoka ,  Yoshihisa Kishiyama ,  Nobuhiko Miki ,  Katsutoshi Kusume

    IPC分类号： H04B7/04 ,  H04L1/00 ,  H04L1/18 ,  H04W72/04 ,  H04B7/06

    CPC分类号： H04B7/0452 ,  H04B7/0689 ,  H04L1/0025 ,  H04L1/1896 ,  H04W72/042

    摘要： The present invention is directed to preventing the load to be required for blind detection in a mobile station apparatus (UE) from increasing and switching between SU-MIMO and MU-MIMO dynamically, even in the event the system bandwidth is expanded. The present invention has a DCI format selection section (209) that selects identification information which identifies between a DCI format for SU-MIMO and a DCI format for MU-MIMO, a control signal generation section (210) that generates control signals including the identification information and including the DCI format for SU-MIMO or MU-MIMO, having the same number of bits, and a transmission section that transmits the control signals to a mobile station apparatus.

    摘要翻译： 本发明旨在防止在移动台设备（UE）中为了在SU-MIMO和MU-MIMO之间动态增加和切换而进行盲检测所需的负载，即使在系统带宽扩展的情况下也是如此。 本发明具有DCI格式选择部（209），其选择识别用于SU-MIMO的DCI格式和用于MU-MIMO的DCI格式的识别信息，生成控制信号的控制信号生成部（210） 信息，并且包括具有相同位数的SU-MIMO或MU-MIMO的DCI格式，以及将控制信号发送到移动站装置的发送部。

    RADIO RELAY STATION APPARATUS, RADIO BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD
    9.
    发明申请
    RADIO RELAY STATION APPARATUS, RADIO BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD 有权
    无线电继电器装置，无线基站装置和无线电通信方法

    公开(公告)号：US20130279364A1

    公开(公告)日：2013-10-24

    申请号：US13992825

    申请日：2011-12-09

    申请人： Satoshi Nagata ,  Hidekazu Taoka ,  Katsutoshi Kusume ,  Petra Weitkemper

    发明人： Satoshi Nagata ,  Hidekazu Taoka ,  Katsutoshi Kusume ,  Petra Weitkemper

    IPC分类号： H04B17/02

    CPC分类号： H04B17/40 ,  H04B7/155 ,  H04W24/10 ,  H04W72/04 ,  H04W84/047

    摘要： Provided are a radio relay station apparatus, a radio base station apparatus and a radio communication method capable of improving user throughput and increasing the capacity in type II relay. The radio communication method of the present invention is characterized by, in a radio relay station apparatus, measuring channel quality of relay links with use of sounding reference signals from mobile terminal apparatuses; and transmitting feedback information including measurement results of channel quality of the relay links to a radio base station apparatus via a backhaul link; in the radio base station apparatus, measuring channel quality of direct links with use of sounding reference signals from the mobile terminal apparatuses, subtracting a correction value from the measurement results of the radio relay station apparatus; and allocating radio resources to a mobile terminal apparatus based on measurement results of the channel quality of the direct links and subtraction results.

    摘要翻译： 提供能够提高用户吞吐量并增加II型继电器的容量的无线电中继站装置，无线电基站装置和无线电通信方法。 本发明的无线通信方法的特征在于，在无线中继站装置中，使用来自移动终端装置的探测参考信号测量中继链路的信道质量; 以及经由回程链路向所述无线基站装置发送包括所述中继链路的信道质量的测量结果的反馈信息; 在无线基站装置中，使用来自移动终端装置的探测参考信号测量直接链路的信道质量，从无线中继站装置的测量结果中减去校正值; 并且基于直接链路的信道质量和减法结果的测量结果向移动终端装置分配无线电资源。

    MOBILE TERMINAL DEVICE AND RADIO BASE STATION APPARATUS
    10.
    发明申请
    MOBILE TERMINAL DEVICE AND RADIO BASE STATION APPARATUS 有权
    移动终端设备和无线基站设备

    公开(公告)号：US20130195035A1

    公开(公告)日：2013-08-01

    申请号：US13643566

    申请日：2011-04-28

    申请人： Hidekazu Taoka ,  Yuichi Kakishima ,  Katsutoshi Kusume ,  Guido Dietl

    发明人： Hidekazu Taoka ,  Yuichi Kakishima ,  Katsutoshi Kusume ,  Guido Dietl

    IPC分类号： H04W72/04

    CPC分类号： H04W72/0466 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0482 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/065 ,  H04L5/0007 ,  H04L25/0204 ,  H04L25/03898 ,  H04L25/03942 ,  H04L25/03949

    摘要： Disclosed is a mobile terminal device and a radio base station apparatus capable of effectively feeding back PMIs by selecting a precoder using double codebooks W1 and W2 in downlink MIMO transmission. The mobile terminal device includes a feedback control signal generating section that individually performs channel coding for the first PMI selected from the first codebook for wideband/long-period and the second PMI selected from the second codebook for subband/short-period and a transmit section that transmits the individually channel-coded first and second PMIs to the radio base station apparatus on a physical uplink shared channel (PUSCH).

    摘要翻译： 公开了一种移动终端装置和无线基站装置，其能够通过在下行链路MIMO传输中使用双码本W1和W2选择预编码器来有效地反馈PMI。 移动终端装置包括：反馈控制信号生成部，对从宽带/长周期的第一码本中选择出的第一PMI进行信道编码，对从子带/短周期的第二码本中选择的第二PMI，以及发送部 其在物理上行链路共享信道（PUSCH）上将单独的信道编码的第一和第二PMI发送到无线电基站装置。