公开(公告)号：US08515477B2

公开(公告)日：2013-08-20

申请号：US12673885

申请日：2009-06-26

申请人： Naotake Yamamoto ,  Hiroshi Hayashino ,  Hironori Nakae ,  Naganori Shirakata

发明人： Naotake Yamamoto ,  Hiroshi Hayashino ,  Hironori Nakae ,  Naganori Shirakata

IPC分类号： H04W72/08

CPC分类号： H04W72/085 ,  H04L1/1893 ,  H04L5/06 ,  H04W28/04

摘要： A base station includes: an estimation section estimating transmission condition of each of frequency channels used for communication; a reception section receiving a data signal from each communication terminal through any of the frequency channels; a measurement section measuring received signal power of the received data signal for each frequency channel; a determination section determining, for each frequency channel, whether the received data signal is demodulated errorlessly; and a control section assigning frequency channels estimated as being in good transmission condition by the estimation section, to communication terminals the data signals of which are determined as not being errorlessly demodulated by the determination section, such that a frequency channel in a better transmission condition is assigned preferentially to a communication terminal having larger received signal power detected by the detection section, and transmitting retransmission request signals requesting the communication terminals to retransmit the data signals using the assigned frequency channels.

摘要翻译： 基站包括：估计部，估计用于通信的每个频道的传输条件; 接收部分，通过任何频道从每个通信终端接收数据信号; 测量部分，测量每个频道的接收数据信号的接收信号功率; 确定部，为每个频道确定所接收的数据信号是否无误地解调; 以及控制部，通过所述估计部分将被估计为处于良好发送状态的频率信道分配给所述数据信号被确定为不被所述确定部无错误地解调的通信终端，使得更好的发送条件下的频道为 优先分配给具有由检测部检测到的较大接收信号功率的通信终端，以及发送请求通信终端的重传请求信号，以使用所分配的频率信道重传数据信号。

公开(公告)号：US20110086661A1

公开(公告)日：2011-04-14

申请号：US12673885

申请日：2009-06-26

申请人： Naotake Yamamoto ,  Hiroshi Hayashino ,  Hironori Nakae ,  Naganori Shirakata

发明人： Naotake Yamamoto ,  Hiroshi Hayashino ,  Hironori Nakae ,  Naganori Shirakata

IPC分类号： H04W72/08

CPC分类号： H04W72/085 ,  H04L1/1893 ,  H04L5/06 ,  H04W28/04

摘要： A base station includes: an estimation section estimating transmission condition of each of frequency channels used for communication; a reception section receiving a data signal from each communication terminal through any of the frequency channels; a measurement section measuring received signal power of the received data signal for each frequency channel; a determination section determining, for each frequency channel, whether the received data signal is demodulated errorlessly; and a control section assigning frequency channels estimated as being in good transmission condition by the estimation section, to communication terminals the data signals of which are determined as not being errorlessly demodulated by the determination section, such that a frequency channel in a better transmission condition is assigned preferentially to a communication terminal having larger received signal power detected by the detection section, and transmitting retransmission request signals requesting the communication terminals to retransmit the data signals using the assigned frequency channels.

摘要翻译： 基站包括：估计部，估计用于通信的每个频道的传输条件; 接收部分，通过任何频道从每个通信终端接收数据信号; 测量部分，测量每个频道的接收数据信号的接收信号功率; 确定部，为每个频道确定所接收的数据信号是否无误地解调; 以及控制部，通过所述估计部分将被估计为处于良好发送状态的频率信道分配给所述数据信号被确定为不被所述确定部无错误地解调的通信终端，使得更好的发送条件下的频率信道为 优先分配给具有由检测部检测到的较大接收信号功率的通信终端，以及发送请求通信终端的重传请求信号，以使用所分配的频率信道重传数据信号。

公开(公告)号：US20100183087A1

公开(公告)日：2010-07-22

申请号：US12668922

申请日：2008-07-17

申请人： Shuya Hosokawa ,  Yosuke Ukita ,  Kazuhiro Ando ,  Hiroshi Hayashino ,  Hironori Nakae ,  Naotake Yamamoto ,  Kazuhiro Ohta

发明人： Shuya Hosokawa ,  Yosuke Ukita ,  Kazuhiro Ando ,  Hiroshi Hayashino ,  Hironori Nakae ,  Naotake Yamamoto ,  Kazuhiro Ohta

IPC分类号： H04L23/02 ,  H04L27/06 ,  H04L27/00

CPC分类号： H04B7/0848

摘要： In a receiver 20, a channel estimation unit 203 estimates channel characteristics of each channel, and a weight generation unit 204 generates a weight matrix used in equalization processing by an equalizer 206 in accordance with the estimated values of channel characteristics for each channel as estimated by the channel estimation unit 203. Furthermore, a likelihood calculation unit 205 calculates a likelihood indicating a degree of certainty for each transmission stream using the weight matrix generated by the weight generation unit 204, and an adaptive control unit 211 determines a transmission rate appropriate for transmission of a signal from a transmitter to the receiver 20 in accordance with the likelihood of each transmission stream calculated by the likelihood calculation unit 205, notifying the transmitter of the determined transmission rate.

摘要翻译： 在接收机20中，信道估计单元203估计每个信道的信道特性，权重生成单元204根据每个信道的信道特性的估计值，由均衡器206生成均衡处理中使用的权重矩阵，如由 信道估计单元203.此外，似然度计算单元205使用由权重生成单元204生成的加权矩阵来计算表示每个传输流的确定程度的似然性，并且自适应控制单元211确定适合于传输的传输速率 根据由似然度计算单元205计算出的每个传输流的可能性，从发射机到接收机20的信号通知发射机确定的传输速率。

公开(公告)号：US08259871B2

公开(公告)日：2012-09-04

申请号：US12668922

申请日：2008-07-17

申请人： Shuya Hosokawa ,  Yosuke Ukita ,  Kazuhiro Ando ,  Hiroshi Hayashino ,  Hironori Nakae ,  Naotake Yamamoto ,  Kazuhiro Ohta

发明人： Shuya Hosokawa ,  Yosuke Ukita ,  Kazuhiro Ando ,  Hiroshi Hayashino ,  Hironori Nakae ,  Naotake Yamamoto ,  Kazuhiro Ohta

IPC分类号： H04L27/06 ,  H03D1/00

CPC分类号： H04B7/0848

摘要： In a receiver, a channel estimation unit estimates channel characteristics of each channel, and a weight generation unit generates a weight matrix used in equalization processing by an equalizer in accordance with the estimated values of channel characteristics for each channel as estimated by the channel estimation unit. Furthermore, a likelihood calculation unit calculates a likelihood indicating a degree of certainty for each transmission stream using the weight matrix generated by the weight generation unit, and an adaptive control unit determines a transmission rate appropriate for transmission of a signal from a transmitter to the receiver in accordance with the likelihood of each transmission stream calculated by the likelihood calculation unit, notifying the transmitter of the determined transmission rate.

摘要翻译： 在接收机中，信道估计单元估计每个信道的信道特性，权重生成单元根据由信道估计单元估计的每个信道的信道特性的估计值，由均衡器生成均衡处理中使用的加权矩阵 。 此外，似然度计算单元使用由权重生成单元生成的加权矩阵来计算表示每个传输流的确定度的似然性，并且自适应控制单元确定适合于从发射机到接收机的信号的传输的传输速率 根据由似然度计算单元计算出的每个传输流的可能性，向发射机通知所确定的传输速率。

公开(公告)号：US20120038537A1

公开(公告)日：2012-02-16

申请号：US13265951

申请日：2011-02-14

申请人： Naotake Yamamoto ,  Koichi Ogawa

发明人： Naotake Yamamoto ,  Koichi Ogawa

IPC分类号： H01Q9/04 ,  H01Q1/50

CPC分类号： H01Q1/273 ,  H01Q9/0421 ,  H01Q9/42

摘要： Provided is an antenna including a planar conductor to be grounded, and a three-dimensional linear conductor having at least a linear conductor, another linear conductor, and still another linear conductor that are integrally formed. The linear conductor is provided perpendicularly to the major surface of the planar conductor. The another linear conductor is parallel to the major surface. Still another linear conductor is parallel to the major surface, and is provided perpendicularly to the another linear conductor.

摘要翻译： 本发明提供一种天线，其包括要接地的平面导体，以及至少具有线性导体的三维线状导体，另一线性导体和另一个线性导体。 线性导体垂直于平面导体的主表面设置。 另一个线性导体平行于主表面。 另一个线性导体平行于主表面，并且垂直于另一个线性导体提供。

公开(公告)号：US08994606B2

公开(公告)日：2015-03-31

申请号：US13265951

申请日：2011-02-14

申请人： Naotake Yamamoto ,  Koichi Ogawa

发明人： Naotake Yamamoto ,  Koichi Ogawa

IPC分类号： H01Q9/38 ,  H01Q1/12 ,  H01Q1/27 ,  H01Q9/04 ,  H01Q9/42

CPC分类号： H01Q1/273 ,  H01Q9/0421 ,  H01Q9/42

摘要： Provided is an antenna including a planar conductor to be grounded, and a three-dimensional linear conductor having at least a linear conductor, another linear conductor, and still another linear conductor that are integrally formed. The linear conductor is provided perpendicularly to the major surface of the planar conductor. The another linear conductor is parallel to the major surface. Still another linear conductor is parallel to the major surface, and is provided perpendicularly to the another linear conductor.

摘要翻译： 本发明提供一种天线，其包括要接地的平面导体，以及至少具有线性导体的三维线状导体，另一线性导体和另一个线性导体。 线性导体垂直于平面导体的主表面设置。 另一个线性导体平行于主表面。 另一个线性导体平行于主表面，并且垂直于另一个线性导体提供。

公开(公告)号：US20130188674A1

公开(公告)日：2013-07-25

申请号：US13700143

申请日：2012-04-16

申请人： Naotake Yamamoto

发明人： Naotake Yamamoto

IPC分类号： H04B7/005

CPC分类号： H04B7/005 ,  H01Q3/20 ,  H01Q15/14

摘要： A communication device includes: an antenna unit through which electric waves are transmitted and received; a scatterer which reflects the electric waves; a communication unit configured to wirelessly communicate with a first communication partner device via the antenna unit; and a scatterer control unit configured to change a state of the scatterer when communication fails between the communication unit and the first communication partner device.

摘要翻译： 通信装置包括：发送和接收电波的天线单元; 反映电波的散射体; 通信单元，被配置为经由天线单元与第一通信对方设备无线通信; 以及散射体控制单元，被配置为当通信单元和第一通信对方设备之间的通信失败时，改变散射体的状态。

公开(公告)号：US20070147475A1

公开(公告)日：2007-06-28

申请号：US10582974

申请日：2005-08-30

申请人： Naotake Yamamoto

发明人： Naotake Yamamoto

IPC分类号： H04B1/00

CPC分类号： H04L1/0009 ,  H04B1/71632 ,  H04B1/7176 ,  H04L1/0065 ,  H04L1/0066 ,  H04L1/08 ,  H04L2001/0098

摘要： A transmitting device of the present invention comprises an encoder (20), a transmitting unit (100) including and a pulse generator (30) and a parallel-to-serial converter (50), a transmitting control unit (40), and an a antenna (90) The pulse generator (30) comprises a first pulse train generator (31), a second pulse train generator (32), and an n-th pulse train generator (33) A k-bit information bit train is inputted from the information signal source (10) The encoder (20) encodes the k-bit information bit train into an n-bit encoded bit train at a coded rate of (k/n) The pulse generator (30) generates n-piece repetitive pulse trains corresponding to the n-bit encoded bit train The antenna (90) transmits the n-piece repetitive pulse trains as UWB-IR.

摘要翻译： 本发明的发送装置包括编码器（20），包括脉冲发生器（30）和并行转换器（50）的发送单元（100），发送控制单元（40）和 天线（90）脉冲发生器（30）包括第一脉冲串发生器（31），第二脉冲串发生器（32）和第n脉冲串发生器（33）。输入k位信息位串 信息信号源（10）编码器（20）以（k / n）的编码速率将k比特信息比特串编码成n位编码比特串。脉冲发生器（30）生成n片重复 对应于n位编码比特串的脉冲串天线（90）将n片重复脉冲串作为UWB-IR发送。

公开(公告)号：US07933306B2

公开(公告)日：2011-04-26

申请号：US10582974

申请日：2005-08-30

申请人： Naotake Yamamoto

发明人： Naotake Yamamoto

IPC分类号： H04B1/00

CPC分类号： H04L1/0009 ,  H04B1/71632 ,  H04B1/7176 ,  H04L1/0065 ,  H04L1/0066 ,  H04L1/08 ,  H04L2001/0098

摘要： A transmitting device of the present invention comprises an encoder (20), a transmitting unit (100) including a pulse generator (30) and a parallel-to-serial converter (50), a transmitting control unit (40), and an antenna (90). The pulse generator (30) comprises a first pulse train generator (31), a second pulse train generator (32), . . . and an n-th pulse train generator (33). A k-bit information bit train is inputted from the information signal source (10), The encoder (20) encodes the k-bit information bit train into an n-bit encoded bit train at a coded rate of (k/n). The pulse generator (30) generates n-piece repetitive pulse trains corresponding to the n-bit encoded bit train. The antenna (90) transmits the n-piece repetitive pulse trains as UWB-IR.

摘要翻译： 本发明的发送装置包括编码器（20），包括脉冲发生器（30）和并 - 串转换器（50）的发送单元（100），发送控制单元（40）和天线 （90）。 脉冲发生器（30）包括第一脉冲串发生器（31），第二脉冲序列发生器（32）。 。 。 和第n脉冲串发生器（33）。 从信息信号源（10）输入k比特信息比特串，编码器（20）以k（k / n）的编码速率将k比特信息比特串编码成n比特编码比特串。 脉冲发生器（30）产生与n位编码比特串对应的n片重复脉冲串。 天线（90）将n片重复脉冲串作为UWB-IR发送。

公开(公告)号：US09191078B2

公开(公告)日：2015-11-17

申请号：US13700143

申请日：2012-04-16

申请人： Naotake Yamamoto

发明人： Naotake Yamamoto

IPC分类号： H04B7/005 ,  H01Q3/20 ,  H01Q15/14

CPC分类号： H04B7/005 ,  H01Q3/20 ,  H01Q15/14

摘要： A communication device includes: an antenna unit through which electric waves are transmitted and received; a scatterer which reflects the electric waves; a communication unit configured to wirelessly communicate with a first communication partner device via the antenna unit; and a scatterer control unit configured to change a state of the scatterer when communication fails between the communication unit and the first communication partner device.

摘要翻译： 通信装置包括：发送和接收电波的天线单元; 反映电波的散射体; 通信单元，被配置为经由天线单元与第一通信对方设备无线通信; 以及散射体控制单元，被配置为当通信单元和第一通信对方设备之间的通信失败时，改变散射体的状态。