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1.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
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。
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2.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
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。
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公开(公告)号：US09398590B2
公开(公告)日：2016-07-19
申请号：US13643566
申请日：2011-04-28
IPC分类号： H04L5/14 , H04B7/00 , H04J4/00 , H04L12/28 , H04J3/00 , H04W72/04 , H04L25/03 , H04B7/04 , H04B7/06 , H04L5/00 , H04L25/02
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。
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4.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
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。
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公开(公告)号：US08964870B2
公开(公告)日：2015-02-24
申请号：US13522427
申请日：2011-01-20
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。
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6.发明授权Mobile station apparatus, base station apparatus, MIMO system and data transmission method 有权移动站装置，基站装置，MIMO系统和数据传输方法公开(公告)号：US08873663B2
公开(公告)日：2014-10-28
申请号：US13511067
申请日：2010-11-26
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： A data transmission method includes, in the mobile station apparatus, selecting a PMI and an RI corresponding to an Hermitian transpose of a channel matrix indicative of channel characteristics and calculating a CQI from the PMI. The method further includes transmitting the PMI, the RI, and the CQI to the base station apparatus as feedback information. The method further includes, in the base station apparatus, calculating a first data rate of a case of performing SU-MIMO transmission based on the PMI transmitted from the mobile station apparatus as feedback and calculating a second data rate of a case of performing ZF MU-MIMO transmission based on the PMI. The method further includes selecting a transmission scheme corresponding to a higher data rate between the first and second data rates.
摘要翻译： 在移动站装置中，数据传输方法包括：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，并从PMI计算CQI。 该方法还包括将PMI，RI和CQI发送到基站装置作为反馈信息。 该方法还包括：在基站装置中，基于从移动台装置发送的PMI作为反馈，算出执行SU-MIMO发送的情况的第一数据速率，并计算执行ZF MU的情况的第二数据率 - 基于PMI的MIMO传输。 该方法还包括选择对应于第一和第二数据速率之间较高数据速率的传输方案。
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7.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
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。
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公开(公告)号：US20130195035A1
公开(公告)日：2013-08-01
申请号：US13643566
申请日：2011-04-28
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。
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9.发明授权公开(公告)号：US08942126B2
公开(公告)日：2015-01-27
申请号：US13642172
申请日：2011-04-21
申请人： Hidekazu Taoka , Katsutoshi Kusume
发明人： Hidekazu Taoka , Katsutoshi Kusume
CPC分类号： H04B7/0478 , H04B7/0417 , H04B7/0452 , H04B7/0632 , H04L1/0029 , H04L5/0023 , H04L5/0051 , H04L5/0057 , H04L5/006 , H04L25/0204 , H04L25/0222 , H04L25/0246 , H04L25/03343 , H04L2025/03414 , H04L2025/03426 , H04L2025/03808
摘要： The present invention reduces the increase of the amount of feedback information, and, regardless of whether the correlation between antennas is high or low, increases the data rate upon MIMO transmission. A feedback information transmission method to assume a Hermitian transpose of a precoding matrix corresponding to a PMI that is selected in accordance with the amount of channel variation as a channel matrix (effective channel: hk,effH) and transmit feedback information to use in MIMO transmission to a base station apparatus, includes selecting a PMI and an RI in accordance with the amount of channel variation and measuring a CQI for single-user MIMO transmission, calculating complementary information (for example, CQI difference information ΔCQI) to complement the difference between the CQI for single-user MIMO transmission and a CQI for multi-user MIMO transmission, and transmitting the PMI, RI, CQI for single-user MIMO transmission and complementary information to the base station apparatus as feedback information.
摘要翻译： 本发明减少了反馈信息量的增加，并且无论天线之间的相关性是高还是低，都增加了MIMO传输时的数据速率。 一种反馈信息传输方法，用于假定与根据信道变化量选择的PMI相对应的预编码矩阵的厄米转置作为信道矩阵（有效信道：hk，effH）并发送用于MIMO传输的反馈信息 基站设备包括根据信道变化量选择PMI和RI，并测量单用户MIMO传输的CQI，计算互补信息（例如，CQI差分信息＆Dgr; CQI）以补充差异 在用于单用户MIMO传输的CQI和用于多用户MIMO传输的CQI之间，将用于单用户MIMO传输的PMI，RI，补充信息作为反馈信息发送给基站装置。
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公开(公告)号：US20130294535A1
公开(公告)日：2013-11-07
申请号：US13522427
申请日：2011-01-20
申请人： Hidekazu Taoka , Katsutoshi Kusume
IPC分类号： H04B7/04
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。
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