公开(公告)号：US20110116566A1

公开(公告)日：2011-05-19

申请号：US13003592

申请日：2009-08-05

申请人： Hiroki Takahashi ,  Yasuhiro Hamaguchi ,  Kazunari Yokomakura ,  Osamu Nakamura ,  Jungo Goto

发明人： Hiroki Takahashi ,  Yasuhiro Hamaguchi ,  Kazunari Yokomakura ,  Osamu Nakamura ,  Jungo Goto

IPC分类号： H04B7/02 ,  H04L27/00

CPC分类号： H04B7/0671 ,  H04L27/2614 ,  H04L27/2636

摘要： According to the present invention, a transmitter includes: multiple antennas 15-1, 15-2; a DFT unit 04 configured to transform a time domain signal into a frequency domain signal; a cluster mapping unit 05 configured to divide the frequency domain signal into clusters and to assign the clusters to frequencies on the basis of cluster assignment information; an IDFT unit 06 configured to transform a mapped frequency domain signal into a time domain signal; and cyclic delay setting units 11-1, 11-2 configured to set, for the respective multiple antennas, a cyclic delay amount to the IDFT-transformed time domain signal.

摘要翻译： 根据本发明，发射机包括：多个天线15-1,15-2; 配置为将时域信号变换为频域信号的DFT单元04; 集群映射单元05，被配置为将频域信号划分成簇，并根据簇分配信息将簇分配给频率; IDFT单元06，被配置为将映射的频域信号变换为时域信号; 以及循环延迟设置单元11-1,11-2，被配置为针对各个多个天线设置对IDFT变换的时域信号的循环延迟量。

公开(公告)号：US20140205038A1

公开(公告)日：2014-07-24

申请号：US14236990

申请日：2012-07-26

申请人： Osamu Nakamura ,  Jungo Goto ,  Kazunari Yokomakura ,  Yasuhiro Hamaguchi

发明人： Osamu Nakamura ,  Jungo Goto ,  Kazunari Yokomakura ,  Yasuhiro Hamaguchi

IPC分类号： H04B7/04

CPC分类号： H04B7/0482 ,  H04B7/0404 ,  H04B7/0486 ,  H04L5/0023 ,  H04L5/0091 ,  H04L25/0391 ,  H04L25/03949 ,  H04L27/0008 ,  H04L27/2626

摘要： In a cellular system, new precoding that enables the performance of precoding to be adequately utilized is introduced, and thereby throughput is increased. There is provided a terminal device that includes a plurality of transmit antennas and that performs precoding on a transmit signal. The terminal device includes a codebook selector 251 configured to select any one of a plurality of codebooks each including a plurality of precoding matrices, in accordance with the number of the transmit antennas and a transmission parameter other than the number of the transmit antennas, and a precoding matrix selector 255 configured to select any one precoding matrix from the selected codebook, in accordance with a PMI (Precoding Matrix Indicator).

摘要翻译： 在蜂窝系统中，引入了能够充分利用预编码性能的新的预编码，从而增加了吞吐量。 提供了一种终端设备，其包括多个发射天线，并对发射信号进行预编码。 终端装置包括码本选择器251，其被配置为根据发送天线的数量和除发送天线数之外的发送参数来选择每个包括多个预编码矩阵的多个码本中的任一个码本，并且 预编码矩阵选择器255，被配置为根据PMI（预编码矩阵指示符）从所选码本中选择任何一个预编码矩阵。

公开(公告)号：US20130100920A1

公开(公告)日：2013-04-25

申请号：US13806598

申请日：2011-06-28

申请人： Osamu Nakamura ,  Katsuya Kato ,  Hiromichi Tomeba ,  Jungo Goto ,  Kazunari Yokomakura ,  Yasuhiro Hamaguchi

发明人： Osamu Nakamura ,  Katsuya Kato ,  Hiromichi Tomeba ,  Jungo Goto ,  Kazunari Yokomakura ,  Yasuhiro Hamaguchi

IPC分类号： H04W72/04

CPC分类号： H04W72/04 ,  H04B7/0413 ,  H04B7/068 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/006 ,  H04L25/03891

摘要： A mobile station apparatus receives the same spectra that have been transmitted from at least one first transmit antenna and a second transmit antenna. An equalization unit performs, for each of the same spectra, using spectra of subcarriers having the same spectrum placed therein, equalization of the spectrum.

摘要翻译： 移动站装置接收从至少一个第一发送天线和第二发送天线发送的相同的频谱。 对于每个相同的光谱，均衡单元使用放置在其中的具有相同光谱的子载波的频谱来执行频谱的均衡。

公开(公告)号：US20110038346A1

公开(公告)日：2011-02-17

申请号：US12989942

申请日：2009-04-28

申请人： Kazunari Yokomokora ,  Yasuhiro Hamaguchi ,  Shimpei To ,  Osamu Nakamura

发明人： Kazunari Yokomokora ,  Yasuhiro Hamaguchi ,  Shimpei To ,  Osamu Nakamura

IPC分类号： H04W72/04

CPC分类号： H04L5/0039 ,  H04L5/0007 ,  H04L5/006 ,  H04L5/0094 ,  H04L27/2614

摘要： A wireless communication system includes a first communication device which arranges a frequency signal into which a single carrier signal is converted by time-to-frequency conversion in subcarriers and wirelessly transmits a resultant signal and a second communication device which receives the signal wirelessly transmitted by the first communication device. The wireless communication system includes a selection unit which calculates, for each determined selection candidate as a combination of a predetermined segment size and information indicating predetermined average transmission power, a value indicating reception quality in the second communication device upon transmission by the first communication device by using an arrangement using the predetermined segment size, and the predetermined average transmission power, and which selects a selection candidate to be used upon transmission by the first communication device from among the selection candidates based on the calculated value indicating the reception quality. Therefore, an excellent transmission efficiency is obtained.

摘要翻译： 一种无线通信系统包括：第一通信装置，其通过在子载波中进行时间 - 频率转换而将单个载波信号进行转换的频率信号，并且无线地发送合成信号;以及第二通信装置，其接收由所述信号无线发送的信号 第一通信设备。 无线通信系统包括：选择单元，对于作为预定分段大小和表示预定平均发送功率的信息的组合的每个确定的选择候选，计算第一通信设备通过第一通信设备发送时指示第二通信设备中的接收质量的值 使用预定分段大小和预定平均发送功率的布置，并且根据表示接收质量的计算值，从选择候选中选择要由第一通信设备发送的选择候选。 因此，获得了良好的传输效率。

公开(公告)号：US10122505B2

公开(公告)日：2018-11-06

申请号：US12989942

申请日：2009-04-28

申请人： Kazunari Yokomakura ,  Yasuhiro Hamaguchi ,  Shimpei To ,  Osamu Nakamura

发明人： Kazunari Yokomakura ,  Yasuhiro Hamaguchi ,  Shimpei To ,  Osamu Nakamura

IPC分类号： H04W52/18 ,  H04L5/00 ,  H04L27/26

摘要： A wireless communication system includes a first communication device which arranges a frequency signal into which a single carrier signal is converted by time-to-frequency conversion in subcarriers and wirelessly transmits a resultant signal and a second communication device which receives the signal wirelessly transmitted by the first communication device. The wireless communication system includes a selection unit which calculates, for each determined selection candidate as a combination of a predetermined segment size and information indicating predetermined average transmission power, a value indicating reception quality in the second communication device upon transmission by the first communication device by using an arrangement using the predetermined segment size, and the predetermined average transmission power, and which selects a selection candidate to be used upon transmission by the first communication device from among the selection candidates based on the calculated value indicating the reception quality. Therefore, an excellent transmission efficiency is obtained.

公开(公告)号：US20110045765A1

公开(公告)日：2011-02-24

申请号：US12935964

申请日：2009-03-26

申请人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Osamu Nakamura ,  Kazunari Yokomakura

发明人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Osamu Nakamura ,  Kazunari Yokomakura

IPC分类号： H04B7/14 ,  H04B7/00

CPC分类号： H04B7/155 ,  H04B7/026 ,  H04B7/2606 ,  H04W16/26 ,  H04W52/346 ,  H04W52/36 ,  H04W88/04

摘要： In a radio communication system including a base station apparatus 10, a relay station apparatus 20 that receives a signal transmitted from base station apparatus 10 and re-transmits the signal to terminal apparatuses, a terminal apparatus 30 that directly receives the signal transmitted from the base station apparatus and a terminal apparatus 32 that receives the signal transmitted from base station apparatus 10 via relay station apparatus 20, base station apparatus 10 sets the transmission power of a signal addressed to terminal apparatus 30 high and the transmission power of a signal addressed to terminal apparatus 32 low, adds up the signals and transmits the resultant signal. With this, the signal addressed to the terminal apparatus that directly communicates with the base station apparatus and the signal addressed to the terminal apparatus that communicates with the base station apparatus via the relay station apparatus are multiplexed and transmitted simultaneously, whereby it is possible to provide a radio communication system and the like that enable efficient communication.

摘要翻译： 在包括基站装置10的无线通信系统中，接收从基站装置10发送的信号并将信号重新发送到终端装置的中继站装置20直接接收从基站发送的信号的终端装置30 站设备和终端设备32，其经由中继站设备20接收从基站设备10发送的信号，基站设备10将寻址到终端设备30的信号的发送功率设置为高，并将寻址到终端的信号的发送功率 设备32为低电平，将信号相加并发送结果信号。 由此，与基站装置直接通信的终端装置的信号和经由中继站装置与基站装置进行通信的终端装置的信号被多路复用并发送，由此可以提供 能够进行有效的通信的无线通信系统等。

公开(公告)号：US08447229B2

公开(公告)日：2013-05-21

申请号：US12935964

申请日：2009-03-26

申请人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Osamu Nakamura ,  Kazunari Yokomakura

发明人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Osamu Nakamura ,  Kazunari Yokomakura

IPC分类号： H04Q7/20

CPC分类号： H04B7/155 ,  H04B7/026 ,  H04B7/2606 ,  H04W16/26 ,  H04W52/346 ,  H04W52/36 ,  H04W88/04

摘要： In a radio communication system including a base station apparatus 10, a relay station apparatus 20 that receives a signal transmitted from base station apparatus 10 and re-transmits the signal to terminal apparatuses, a terminal apparatus 30 that directly receives the signal transmitted from the base station apparatus and a terminal apparatus 32 that receives the signal transmitted from base station apparatus 10 via relay station apparatus 20, base station apparatus 10 sets the transmission power of a signal addressed to terminal apparatus 30 high and the transmission power of a signal addressed to terminal apparatus 32 low, adds up the signals and transmits the resultant signal. With this, the signal addressed to the terminal apparatus that directly communicates with the base station apparatus and the signal addressed to the terminal apparatus that communicates with the base station apparatus via the relay station apparatus are multiplexed and transmitted simultaneously, whereby it is possible to provide a radio communication system and the like that enable efficient communication.

摘要翻译： 在包括基站装置10的无线通信系统中，接收从基站装置10发送的信号并将信号重新发送到终端装置的中继站装置20直接接收从基站发送的信号的终端装置30 站设备和终端设备32，其经由中继站设备20接收从基站设备10发送的信号，基站设备10将寻址到终端设备30的信号的发送功率设置为高，并将寻址到终端的信号的发送功率 设备32为低电平，将信号相加并发送结果信号。 由此，与基站装置直接通信的终端装置的信号和经由中继站装置与基站装置进行通信的终端装置的信号被多路复用并发送，由此可以提供 能够进行有效的通信的无线通信系统等。

公开(公告)号：US20110286382A1

公开(公告)日：2011-11-24

申请号：US13147861

申请日：2010-02-03

申请人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Osamu Nakamura ,  Kazunari Yokomakura

发明人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Osamu Nakamura ,  Kazunari Yokomakura

IPC分类号： H04W88/04 ,  H04B7/14

CPC分类号： H04B7/2606 ,  H04B7/155 ,  H04W72/005 ,  H04W84/047

摘要： Disclosed is a radio communication system including relay stations 20 in a cell, which relay communication between a base station 10 and terminals 30 and employing a transmission scheme of adding a signal, in which a part of a symbol is copied, to the symbol as a Cyclic Prefix, in which, when a common broadcast service signal offered to a plurality of terminals 30 is transmitted in the cell, a length of the Cyclic Prefix added to the signal is adaptively set. This makes it possible to provide a radio communication system or the like capable of performing efficient transmission while preventing degradation of performances by appropriately setting the CP length added to an MBMS signal according to conditions, when performing MBMS transmission in the radio communication system including the relay stations.

摘要翻译： 公开了一种无线电通信系统，其包括小区中的中继站20，其中继基站10和终端30之间的通信，并且采用将符号的一部分复制的信号添加到符号的传输方案作为 循环前缀，其中当在小区中发送提供给多个终端30的公共广播服务信号时，自适应地设置添加到该信号的循环前缀的长度。 这使得可以提供能够执行高效传输的无线电通信系统等，同时在包括继电器的无线电通信系统中执行MBMS传输时，根据条件适当地设置添加到MBMS信号的CP长度来防止性能下降 车站。

公开(公告)号：US20110097993A1

公开(公告)日：2011-04-28

申请号：US12997492

申请日：2009-06-04

申请人： Osamu Nakamura ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Shimpei To ,  Kazunari Yokomakura

发明人： Osamu Nakamura ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Shimpei To ,  Kazunari Yokomakura

IPC分类号： H04B3/36

CPC分类号： H04B7/2606 ,  H04L1/0003 ,  H04L1/0056 ,  H04L5/0044 ,  H04L25/03159 ,  H04L27/0008 ,  H04L2025/03414

摘要： It is aimed to expand a coverage area of a transmission apparatus by relay, while improving spectral efficiency (cell throughput). A relay apparatus for transmitting a signal received from a transmission apparatus to a reception apparatus has a received signal processing section 33 that demodulates a signal received from the transmission apparatus, a selecting section 34 that selects a transmission scheme enabling the reception apparatus to demodulate from among a plurality of transmission schemes, and signal generating sections 35a and 35b that generate a signal used in the transmission scheme selected by the selecting section 34 based on the signal demodulated by the received signal processing section 33.

摘要翻译： 旨在通过中继扩展传输设备的覆盖区域，同时提高频谱效率（小区吞吐量）。 用于将从发送装置接收的信号发送到接收装置的中继装置具有对从发送装置接收到的信号进行解调的接收信号处理部33;选择部34，其使能接收装置的发送方式从 多个发送方式以及信号生成部35a，35b，根据由接收信号处理部33解调出的信号，生成由选择部34选择的发送方式中使用的信号。

公开(公告)号：US08809490B2

公开(公告)日：2014-08-19

申请号：US12302993

申请日：2007-05-31

申请人： Kou Tsurugi ,  Yoshihisa Inoue ,  Isao Hara ,  Hiroyoshi Watanabe ,  Tomoyoshi Hakamata ,  Akira Nomoto ,  Osamu Nakamura

发明人： Kou Tsurugi ,  Yoshihisa Inoue ,  Isao Hara ,  Hiroyoshi Watanabe ,  Tomoyoshi Hakamata ,  Akira Nomoto ,  Osamu Nakamura

IPC分类号： C08F8/14 ,  C08F16/06 ,  C08L29/04 ,  C08F6/08 ,  C08F6/02 ,  B01J41/04 ,  C08F6/00

CPC分类号： C08F6/02 ,  B01J41/04 ,  C08F6/003 ,  C08F8/14 ,  Y10T428/1341 ,  C08L29/04 ,  C08F16/06

摘要： A method for producing a solution containing at least an unsaturated carboxylic acid-modified vinyl alcohol polymer is characterized by reacting a vinyl alcohol polymer and an unsaturated carboxylic acid compound in the presence of an acid catalyst soluble in the reaction system or a solid acid catalyst, and a gas barrier film is obtained by using the same. An example thereof is a method for producing a solution (A) containing an unsaturated carboxylic acid-modified vinyl alcohol polymer (b), the method comprising following two steps of: (1) a reaction step in which the unsaturated carboxylic acid-modified vinyl alcohol polymer (b) is formed by reacting a vinyl alcohol polymer and an unsaturated carboxylic acid compound (a) in the presence of an acid catalyst soluble in the reaction system; and (2) an ion exchange step in which at least the acid catalyst of acidic compounds is removed by an anion exchange resin.

摘要翻译： 至少含有不饱和羧酸改性的乙烯醇聚合物的溶液的制造方法的特征在于，在可溶于反应体系的酸催化剂或固体酸催化剂的存在下使乙烯醇聚合物与不饱和羧酸化合物反应， 并且通过使用它们获得阻气膜。 其实例是制备含有不饱和羧酸改性的乙烯醇聚合物（b）的溶液（A）的方法，该方法包括以下两个步骤：（1）反应步骤，其中不饱和羧酸改性乙烯醇聚合物 醇聚合物（b）通过乙烯醇聚合物和不饱和羧酸化合物（a）在可溶于反应体系的酸催化剂存在下反应形成; 和（2）离子交换步骤，至少酸性化合物的酸催化剂通过阴离子交换树脂除去。