公开(公告)号：US08472389B2

公开(公告)日：2013-06-25

申请号：US12678725

申请日：2008-09-19

申请人： Daichi Imamura ,  Seigo Nakao ,  Akihiko Nishio ,  Sadaki Futagi

发明人： Daichi Imamura ,  Seigo Nakao ,  Akihiko Nishio ,  Sadaki Futagi

IPC分类号： H04W4/00

CPC分类号： H04W72/082

摘要： A radio resource management apparatus and radio resource management method, the radio resource management apparatus including a resource allocation section that, when a plurality of control channel elements are allocated to a physical downlink control channel for downlink data transmission, generates resource allocation information on control channel element numbers corresponding to the plurality of control channel elements, such that the control channel element numbers are different between neighboring cells, and a reporting section that reports an allocation result in the resource allocation section to a subordinate radio communication base station apparatus.

摘要翻译： 一种无线资源管理装置和无线资源管理方法，所述无线资源管理装置包括资源分配部，所述资源分配部在将多个控制信道要素分配给用于下行链路数据传输的物理下行链路控制信道时，生成关于控制信道的资源分配信息 对应于多个控制信道单元的单元号，使得相邻小区之间的控制信道单元号不同，以及向资源分配单元向下级无线通信基站装置报告分配结果的报告单元。

公开(公告)号：US20130077560A1

公开(公告)日：2013-03-28

申请号：US13702213

申请日：2011-06-15

申请人： Ayako Horiuchi ,  Seigo Nakao ,  Masayuki Hoshino ,  Daichi Imamura ,  Akihiko Nishio

发明人： Ayako Horiuchi ,  Seigo Nakao ,  Masayuki Hoshino ,  Daichi Imamura ,  Akihiko Nishio

IPC分类号： H04W72/04

CPC分类号： H04W72/044 ,  H04L1/0007 ,  H04L1/0046 ,  H04L1/0072 ,  H04L5/0051 ,  H04L5/0053 ,  H04L25/0226 ,  H04L2001/0097 ,  H04W72/04 ,  H04W72/08 ,  H04W72/14 ,  H04W76/10 ,  H04W84/047

摘要： To improve the channel estimation accuracy of “DL grant” that instructs data allocation of a downlink of R-PDCCH. A wireless communication apparatus according to an aspect of the invention includes a receiver that is configured to receive a control signal, and a blind decoder that is configured to perform a blind decoding of a plurality of adjacent physical, resource blocks (PRBs) in which the same preceding is used in a unit of an RB group (RBG) that is composed of the plurality of PRBs, and to detect a resource area to which a control signal for the wireless communication apparatus that is included in the control signal is allocated.

摘要翻译： 提高指示R-PDCCH的下行链路的数据分配的DL授权的信道估计精度。 根据本发明的一个方面的无线通信装置包括被配置为接收控制信号的接收机和被配置为对多个相邻的物理资源块（PRB）进行盲解码的盲解码器，其中， 相同的前述用于由多个PRB组成的RB组（RBG）的单元中，并且检测分配了包括在控制信号中的无线通信装置的控制信号的资源区域。

公开(公告)号：US20130044580A1

公开(公告)日：2013-02-21

申请号：US13696052

申请日：2011-04-01

申请人： Zhi Zhang ,  Ming Xu ,  Masayuki Hoshino ,  Seigo Nakao ,  Daichi Imamura

发明人： Zhi Zhang ,  Ming Xu ,  Masayuki Hoshino ,  Seigo Nakao ,  Daichi Imamura

IPC分类号： H04J13/10

CPC分类号： H04J13/004 ,  H04J13/0048 ,  H04J13/12 ,  H04J13/18 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0026 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0066 ,  H04L43/087

摘要： The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved.

摘要翻译： 本公开提供了一种基于正交码的码分复用方法，其通过使用正交矩阵来执行多层资源块中的解调参考信号的码分复用，所述方法包括：改变第一正交矩阵的特定行中的码片的顺序 以获得具有改变的码片顺序的第二正交矩阵; 并将第二正交矩阵的各行中的码片乘以相应于时间方向的资源块的相应层中的解调参考信号，以获得码分复用信号。 本公开的技术方案可以提高下行链路信号的功率抖动情况，从而可以提高基站侧的功率放大器的使用效率。

公开(公告)号：US20130028214A1

公开(公告)日：2013-01-31

申请号：US13638754

申请日：2011-04-01

申请人： Daichi Imamura ,  Akihiko Nishio ,  Seigo Nakao ,  Takashi Iwai

发明人： Daichi Imamura ,  Akihiko Nishio ,  Seigo Nakao ,  Takashi Iwai

IPC分类号： H04W72/04

CPC分类号： H04L5/001 ,  H04L5/0032 ,  H04L5/0044 ,  H04L5/0053 ,  H04W28/065 ,  H04W52/146 ,  H04W52/221 ,  H04W52/242 ,  H04W52/245 ,  H04W52/325 ,  H04W52/346 ,  H04W52/367 ,  H04W72/00

摘要： Provided is a transmission device, wherein even when the transmission device performs noncontiguous band allocation transmission, the same level of coverage and gain as when the contiguous band allocation transmission is assumed can be maintained. A transmission power control unit (110), in a second mode, calculates first power on the basis of the transmission power control method using, as the bandwidth of the contiguous bands in the first mode, the bandwidth of a first band with the lowest frequency in a cluster allocated to the lowest band among a plurality of clusters and the highest frequency in a cluster allocated to the highest band among the plurality of clusters as both ends thereof, and calculates the transmission power using the ratio between the bandwidth of the first band and the bandwidth of a second band to which the plurality of the clusters are allocated, and the first power.

摘要翻译： 提供了一种发送装置，其中，即使当发送装置执行不连续的频带分配传输时，也可以保持与假设连续频带分配传输时相同的覆盖范围和增益水平。 第二模式的发送功率控制单元（110）基于发送功率控制方法，以第一模式中的连续波段的带宽为基础，计算出具有最低频率的第一频带的带宽的第一功率 在分配给多个群集中的最低频带的群集中，并且在分配给多个群集中的最高频带的群集中的最高频率作为其两端，并且使用第一频带的带宽之间的比率来计算发射功率 并且分配有多个簇的第二频带的带宽和第一功率。

公开(公告)号：US08363698B2

公开(公告)日：2013-01-29

申请号：US13525103

申请日：2012-06-15

申请人： Seigo Nakao ,  Daichi Imamura

发明人： Seigo Nakao ,  Daichi Imamura

IPC分类号： H04B1/00

CPC分类号： H04L27/2626 ,  H04B1/7103 ,  H04B2201/709709 ,  H04J13/0048 ,  H04J13/0059 ,  H04L1/16 ,  H04L1/1607 ,  H04L5/0048 ,  H04L5/0055 ,  H04L25/03866 ,  H04L27/2602 ,  H04L27/2655 ,  H04L27/3483 ,  H04L2001/125 ,  H04W88/08

摘要： A mobile station is provided for transmitting an acknowledgement or negative acknowledgement (ACK/NACK) signal, including a multiplying unit configured to multiply an ACK/NACK signal either by a first value for rotating a constellation of the ACK/NACK signal by 0 degrees or by a second value for rotating the constellation of the ACK/NACK signal by N degrees, which is different from 0 degrees. In a case where a physical uplink control channel (PUCCH) index used by the mobile station is in a first PUCCH index group, the multiplying unit multiplies the ACK/NACK signal by the same value for both transmitting in a first slot and transmitting in a second slot, and in a case where the PUCCH index used by the mobile station is in a second PUCCH index group, the multiplying unit multiplies the ACK/NACK signal by different values for transmitting in the first slot and transmitting in the second slot, respectively.

摘要翻译： 提供一种用于发送确认或否定确认（ACK / NACK）信号的移动站，包括：乘法单元，被配置为将ACK / NACK信号乘以用于将ACK / NACK信号的星座旋转0度的第一值，或 通过用于将ACK / NACK信号的星座旋转N度的第二值，其不同于0度。 在移动台使用的物理上行链路控制信道（PUCCH）索引处于第一PUCCH索引组中的情况下，乘法单元将ACK / NACK信号乘以相同的值，用于在第一时隙中进行发送，并以 第二时隙，并且在移动台使用的PUCCH索引处于第二PUCCH索引组中的情况下，乘法单元将ACK / NACK信号乘以不同的值，用于在第一时隙中进行发送，并在第二时隙中进行发送 。

公开(公告)号：US20130010895A1

公开(公告)日：2013-01-10

申请号：US13634210

申请日：2011-03-15

申请人： Hui Tong ,  Masayuki Hoshino ,  Ming Xu ,  Seigo Nakao ,  Daichi Imamura

发明人： Hui Tong ,  Masayuki Hoshino ,  Ming Xu ,  Seigo Nakao ,  Daichi Imamura

IPC分类号： H04L25/49

CPC分类号： H04B7/0478 ,  H04B7/024 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/0641 ,  H04B7/0663 ,  H04B2001/3855 ,  H04B2001/3861 ,  H04L25/03904 ,  H04L25/03917 ,  H04W88/02 ,  H04W88/08

摘要： The present disclosure provides a method of generating codebook in a wireless communication system with multiple antenna arrays, as well as a wireless communication system, base station and terminal using the codebook for communication. The method comprises steps of: providing a basic codebook which cotains multiple pre-coding matrices; and assigning phase offsets to certain pre-coding matrices in the basic codebook to form a codebook with phase offset. The feedback overhead from a client to a base station side is reduced and a good precision of feedback for multi-antenna array is kept by applying the method of generating codebook and using the generated codebook in the wireless communication system, base station and terminal.

摘要翻译： 本公开提供了一种在具有多个天线阵列的无线通信系统中生成码本的方法，以及使用该通信码本的无线通信系统，基站和终端。 该方法包括以下步骤：提供困扰多个预编码矩阵的基本码本; 并将相位偏移分配给基本码本中的某些预编码矩阵以形成具有相位偏移的码本。 降低了从客户端到基站侧的反馈开销，通过在无线通信系统，基站和终端中应用生成码本的方法和使用生成的码本来保持多天线阵列的反馈精度良好。

公开(公告)号：US08311079B2

公开(公告)日：2012-11-13

申请号：US13301643

申请日：2011-11-21

申请人： Seigo Nakao ,  Daichi Imamura ,  Akihiko Nishio ,  Masayuki Hoshino

发明人： Seigo Nakao ,  Daichi Imamura ,  Akihiko Nishio ,  Masayuki Hoshino

IPC分类号： H04B1/00

CPC分类号： H04B1/7103 ,  H04J13/0003 ,  H04J13/0048 ,  H04J13/0062 ,  H04J13/0074 ,  H04J13/18 ,  H04L5/0016 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0055

摘要： A wireless communication apparatus capable of minimizing the degradation in separation characteristic of a code multiplexed response signal. In this apparatus, a control part (209) controls both a AC sequence to be used in a primary spreading in a spreading part (214) and a Walsh sequence to be used in a secondary spreading in a spreading part (217) so as to allow a very small circular shift interval of the ZC sequence to absorb the interference components remaining in the response signal; the spreading part (214) uses the ZC sequence set by the control part (209) to primary spread the response signal; and the spreading part (217) uses the Walsh sequence set by the control part (209) to secondary spread the response signal to which CP has been added.

摘要翻译： 一种无线通信装置，其能够最小化码复用的响应信号的分离特性的劣化。 在该装置中，控制部（209）控制在扩展部（214）中的一次扩频中使用的AC序列和扩频部（217）中的二次扩展中使用的沃尔什序列，以便 允许ZC序列的非常小的循环移位间隔吸收残留在响应信号中的干扰分量; 扩展部分（214）使用由控制部分（209）设置的ZC序列来初始扩展响应信号; 并且扩展部分（217）使用由控制部分（209）设置的沃尔什序列来二次扩展已经添加了CP的响应信号。

公开(公告)号：US20120250730A1

公开(公告)日：2012-10-04

申请号：US13493890

申请日：2012-06-11

申请人： Seigo Nakao ,  Daichi Imamura ,  Akihiko Nishio ,  Masayuki Hoshino

发明人： Seigo Nakao ,  Daichi Imamura ,  Akihiko Nishio ,  Masayuki Hoshino

IPC分类号： H04B1/707

CPC分类号： H04W24/02 ,  H04B1/7097 ,  H04J11/00 ,  H04J13/0003 ,  H04J13/0048 ,  H04J13/0062 ,  H04J13/0074 ,  H04J13/18 ,  H04J13/22 ,  H04L1/0045 ,  H04L1/18 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0091 ,  H04L69/323 ,  H04L69/324 ,  H04W72/0406 ,  H04W72/0413

摘要： A wireless communication apparatus capable of minimizing the degradation of the separation characteristic of response signals to be code-multiplexed. In the apparatus, a control part (209) controls both a ZC sequence to be used for the primary spread in a spreading part (214) and a Walsh sequence to be used for the secondary spread in a spreading part (217) according to the associations between sequences and CCEs established in accordance with the probability of using response signal physical-resources corresponding to CCE numbers. The spreading part (214) performs the primary spread of the response signal by use of the ZC sequence established by the control part (209). The spreading part (217) performs the secondary spread of the response signal, to which CP has been added, by use of the Walsh sequence established by the control part (209).

公开(公告)号：US20120250651A1

公开(公告)日：2012-10-04

申请号：US13525103

申请日：2012-06-15

申请人： Seigo Nakao ,  Daichi Imamura

发明人： Seigo Nakao ,  Daichi Imamura

IPC分类号： H04W72/04

CPC分类号： H04L27/2626 ,  H04B1/7103 ,  H04B2201/709709 ,  H04J13/0048 ,  H04J13/0059 ,  H04L1/16 ,  H04L1/1607 ,  H04L5/0048 ,  H04L5/0055 ,  H04L25/03866 ,  H04L27/2602 ,  H04L27/2655 ,  H04L27/3483 ,  H04L2001/125 ,  H04W88/08

摘要： A mobile station is provided for transmitting an acknowledgement or negative acknowledgement (ACK/NACK) signal, including a multiplying unit configured to multiply an ACK/NACK signal either by a first value for rotating a constellation of the ACK/NACK signal by 0 degrees or by a second value for rotating the constellation of the ACK/NACK signal by N degrees, which is different from 0 degrees. In a case where a PUCCH index used by the mobile station is in a first PUCCH index group, the multiplying unit multiplies the ACK/NACK signal by the same value for both transmitting in a first slot and transmitting in a second slot, and in a case where the PUCCH index used by the mobile station is in a second PUCCH index group, the multiplying unit multiplies the ACK/NACK signal by different values for transmitting in the first slot and transmitting in the second slot, respectively.

摘要翻译： 提供一种用于发送确认或否定确认（ACK / NACK）信号的移动站，包括：乘法单元，被配置为将ACK / NACK信号乘以用于将ACK / NACK信号的星座旋转0度的第一值，或 通过用于将ACK / NACK信号的星座旋转N度的第二值，其不同于0度。 在移动台使用的PUCCH索引处于第一PUCCH索引组中的情况下，乘法单元将ACK / NACK信号乘以相同的值，用于在第一时隙中发送和在第二时隙中发送， 移动台使用的PUCCH索引在第二PUCCH索引组中的情况下，乘法单元将ACK / NACK信号乘以不同的值，用于在第一时隙中进行发送，并在第二时隙中进行发送。

公开(公告)号：US08259781B2

公开(公告)日：2012-09-04

申请号：US12740509

申请日：2008-10-28

申请人： Seigo Nakao ,  Daichi Imamura

发明人： Seigo Nakao ,  Daichi Imamura

IPC分类号： H04B1/00

CPC分类号： H04L27/2626 ,  H04B1/7103 ,  H04B2201/709709 ,  H04J13/0048 ,  H04J13/0059 ,  H04L1/16 ,  H04L1/1607 ,  H04L5/0048 ,  H04L5/0055 ,  H04L25/03866 ,  H04L27/2602 ,  H04L27/2655 ,  H04L27/3483 ,  H04L2001/125 ,  H04W88/08

摘要： Provided is a radio communication device which can improve the negative acknowledgement (NACK) error rate characteristic. The device includes: a scrambling unit (214) which multiplies a response signal after modulated, by a scrambling code “1” or “−1” so as to inverse a constellation for each of response signals on a cyclic shift axis; a spread unit (215) which performs a primary spread of the response signal by using a zero auto correlation (ZAC) sequence set by a control unit (209); and a spread unit (218) which performs a secondary spread of the response signal after subjected to the primary spread, by using a block-wise spread code sequence set by the control unit (209).

摘要翻译： 提供了一种可以改善否定确认（NACK）错误率特性的无线电通信装置。 该装置包括：加扰单元（214），其通过加扰码“1”或“-1”将经调制后的响应信号相乘，以便在循环移位轴上的每个响应信号反转星座; 扩展单元（215），其通过使用由控制单元（209）设置的零自相关（ZAC）序列来执行所述响应信号的初级扩展; 以及扩展单元（218），其通过使用由所述控制单元（209）设置的块式扩展码序列来执行经过所述主扩展之后的所述响应信号的二次扩展。