公开(公告)号：US08847827B2

公开(公告)日：2014-09-30

申请号：US13361011

申请日：2012-01-30

申请人： Takafumi Ohishi ,  Noriaki Oodachi ,  Shuichi Obayashi

发明人： Takafumi Ohishi ,  Noriaki Oodachi ,  Shuichi Obayashi

IPC分类号： H01Q1/24 ,  H01Q1/52 ,  H04B13/00 ,  H01Q1/27 ,  H01Q21/28

CPC分类号： H01Q1/243 ,  H01Q1/273 ,  H01Q1/521 ,  H01Q21/28 ,  H04B13/005

摘要： In one embodiment, a communication apparatus includes a substrate, an antenna disposed on the substrate, a first communication part transmitting or receiving a signal at a predetermined frequency via the antenna, a first conductor plate, a terminal disposed on the substrate and connected to the first conductor plate by a conductor line, a second communication part disposed on the substrate, connected electrically to the terminal, and communicating with a communication partner via the first conductor plate, and a second conductor plate connected electrically to the conductor line and having a length of substantially ¼ of the wavelength of the predetermined frequency.

摘要翻译： 在一个实施例中，通信设备包括基板，设置在基板上的天线，经由天线以预定频率发送或接收信号的第一通信部件，第一导体板，设置在基板上并连接到基板的端子 第一导体板，通过导体线设置的第二连通部，设置在基板上的第二连通部，其与端子电连接，并且经由第一导体板与通信对方连通;以及第二导体板，其与导体线电连接， 基本上为预定频率波长的1/4。

公开(公告)号：US08463308B2

公开(公告)日：2013-06-11

申请号：US10968244

申请日：2004-10-20

申请人： Ryoko Matsuo ,  Shuichi Obayashi ,  Toshikazu Kodama ,  David Famolari

发明人： Ryoko Matsuo ,  Shuichi Obayashi ,  Toshikazu Kodama ,  David Famolari

IPC分类号： H04B7/00

CPC分类号： H04W52/24 ,  H04W24/00 ,  H04W28/22 ,  H04W52/146 ,  H04W52/22 ,  H04W52/267 ,  H04W52/46

摘要： Methods for coordinating power usage and link adaptation in wireless communications are described. Terminals and/or access points (APs) may attempt to modify terminals' transmit power in relation to a desired communication data transfer rate. Link adoption may also be used in conjunction with the described methods.

摘要翻译： 描述了在无线通信中协调功率使用和链路自适应的方法。 终端和/或接入点（AP）可以尝试相对于期望的通信数据传输速率修改终端的发射功率。 链接采用也可以与所描述的方法结合使用。

公开(公告)号：US20120126944A1

公开(公告)日：2012-05-24

申请号：US13051190

申请日：2011-03-18

申请人： Takashi Ueno ,  Takafumi Ohishi ,  Shuichi Obayashi ,  Ichiro Seto ,  Toshitada Saito

发明人： Takashi Ueno ,  Takafumi Ohishi ,  Shuichi Obayashi ,  Ichiro Seto ,  Toshitada Saito

IPC分类号： G05B19/00

CPC分类号： G07C9/00158 ,  G06K2009/00939 ,  G07C2009/00809

摘要： In one embodiment, a human body communication apparatus includes a first human body communication terminal carried by a person, a second human body communication terminal and an authentication unit included in the first or second human body communication terminal. The first human body communication terminal includes a first detection unit to detect first living body physiological information of the carrying person. The second human body communication terminal includes a human body contact sensor and a second detection unit to detect second living body physiological information of the person who touches the human body contact sensor. The authentication unit acquires the first and second living body physiological information and determines a correlation between the first and second living body physiological information to permit communication between the first and second human body communication terminals in accordance with the correlation.

摘要翻译： 在一个实施例中，人体通信装置包括由人携带的第一人体通信终端，第二人体通信终端和包括在第一或第二人体通信终端中的认证单元。 第一人体通信终端包括用于检测携带者的第一生物体生理信息的第一检测单元。 第二人体通信终端包括人体接触传感器和第二检测单元，用于检测接触人体接触传感器的人的第二生物体生理信息。 认证单元获取第一和第二生物体生理信息，并且根据相关性确定第一和第二生物体生理信息之间的相关性，以允许第一和第二人体通信终端之间的通信。

公开(公告)号：US07973616B2

公开(公告)日：2011-07-05

申请号：US12405979

申请日：2009-03-17

申请人： Tetsu Shijo ,  Shuichi Obayashi

发明人： Tetsu Shijo ,  Shuichi Obayashi

IPC分类号： H01P5/12 ,  H01P3/12

CPC分类号： H01P5/182 ,  H01P3/121

摘要： A short slot directional coupler includes a dielectric substrate having both surfaces each covered by a metal film, a first via-hole string and a second via-hole string, each of which has via-holes penetrating through the substrate, and formed so that a distance between the first via-hole string and the second via-hole string is narrow at a center of a length direction of the string and wider along directions of both ends of the string, and a pair of third via-hole strings each having via-holes penetrating through the substrate, and formed between parts adjacent to both ends of the first via-hole string and parts adjacent to both ends of the second via-hole string to form a first post-wall waveguide along with the first via-hole string and a second post-wall waveguide along with the second via-hole string.

摘要翻译： 短槽定向耦合器包括具有各自被金属膜覆盖的两个表面的电介质基板，第一通孔孔线和第二通孔孔线，每个孔具有穿过基板的通孔，并且形成为使得 第一通孔孔和第二通孔孔之间的距离在绳的长度方向的中心处窄，并且沿着绳的两端的方向较宽，并且一对第三通孔孔串具有通孔 穿过基板的孔，并且形成在与第一通孔孔列的两端相邻的部分和与第二通孔孔列的两端相邻的部分之间，以形成与第一通孔相连的第一后壁波导 弦和第二后壁波导以及第二通孔串。

公开(公告)号：US07580446B2

公开(公告)日：2009-08-25

申请号：US11313834

申请日：2005-12-22

申请人： Yasuhiko Tanabe ,  Shuichi Obayashi

发明人： Yasuhiko Tanabe ,  Shuichi Obayashi

IPC分类号： H04B1/00 ,  H04J11/00

CPC分类号： H04L27/2608 ,  H04L1/0045 ,  H04L1/0057 ,  H04L25/0204

摘要： Radio communication apparatus includes unit dividing transmit data into first-and-second streams, unit subjecting first-and-second streams to serial-to-parallel conversion to obtain data signals, unit modulating data signals into OFDM-modulation signals corresponding to first and second streams using subcarriers, unit acquiring channel responses between communication and receiving apparatuses, unit computing singular values λ1(k) and λ2(k) of channel matrix corresponding to kth subcarrier in subcarriers, based on channel responses, unit assigning weights corresponding to singular values λ1(k) and λ2(k) to first-and-second streams where correspondence of weights to streams is different by subcarrier, unit multiplying, by each of assigned weights, OFDM-modulation signals corresponding to each of first and second streams, and acquire first-and-second signals corresponding to first-and-second streams, unit adding first-and-second signals to acquire added signals, unit subjecting added signals to inverse-Fourier transform, and unit transmitting, to receiving apparatus, signals output from subjecting unit.

摘要翻译： 无线电通信装置包括将发送数据分成第一和第二流的单元，将第一和第二流串行到并行转换单元，以获得数据信号，将数据信号单元调制成对应于第一和第二流的OFDM调制信号 使用子载波的单元，在通信和接收设备之间获取信道响应的单元，基于信道响应，对应于子载波中的第k个子载波的信道矩阵的单位计算奇异值λ1（k）和λ2（k），对应于奇异值λ1的单位分配权重 （k）和λ2（k）分配给第一和第二流，其中权重与流的对应通过子载波，单位乘以每个分配的权重，与对应于第一和第二流中的每一个的OFDM调制信号不同，并获取 对应于第一和第二流的第一和第二信号，单元添加第一和第二信号以获取附加信号，单位s 对信号进行逆傅里叶变换，并向接收装置发送从经受单元输出的信号。

公开(公告)号：US07428280B2

公开(公告)日：2008-09-23

申请号：US11766576

申请日：2007-06-21

申请人： Tsuguhide Aoki ,  Shuichi Obayashi

发明人： Tsuguhide Aoki ,  Shuichi Obayashi

IPC分类号： H04B1/10

CPC分类号： H04L1/006 ,  H04B7/0848 ,  H04L1/0054 ,  H04L1/0656 ,  Y02D70/444

摘要： The present invention has a N pieces of receiving antennas, a propagation path characterization estimator, a weight generator for interference canceller, an array processing interference canceller, a weight generator for signal estimator, a signal estimator, a transmission signal classification apparatus, and a decoding order decision apparatus. The antenna inference elimination circuit eliminates only signal component relating to transmission signal component which does not belong to groups. The signal estimator performs separation and decoding of the transmission signal belonging to the group. The transmission signal classification apparatus classifies the transmission signals from sets of the transmission antennas in which a cross-correlation value of the vector is larger than a threshold value, into one group, and classifies the transmission signal in which the cross-correlation value is smaller than the threshold value, into another group.

摘要翻译： 本发明具有N条接收天线，传播路径特征估计器，用于干扰消除器的权重发生器，阵列处理干扰消除器，用于信号估计器的加权发生器，信号估计器，传输信号分类装置和解码器 订单决定装置。 天线推断消除电路仅消除与不属于组的传输信号分量相关的信号分量。 信号估计器执行属于该组的传输信号的分离和解码。 发送信号分类装置将来自该矢量的互相关值大于阈值的发送天线的发送信号分类为一组，对互相关值越小的发送信号进行分类 超过阈值，进入另一组。

公开(公告)号：US20070248200A1

公开(公告)日：2007-10-25

申请号：US11766576

申请日：2007-06-21

申请人： Tsuguhide Aoki ,  Shuichi Obayashi

发明人： Tsuguhide Aoki ,  Shuichi Obayashi

IPC分类号： H04B1/10

CPC分类号： H04L1/006 ,  H04B7/0848 ,  H04L1/0054 ,  H04L1/0656 ,  Y02D70/444

摘要： The present invention has a N pieces of receiving antennas, a propagation path characterization estimator, a weight generator for interference canceller, an array processing interference canceller, a weight generator for signal estimator, a signal estimator, a transmission signal classification apparatus, and a decoding order decision apparatus. The antenna inference elimination circuit eliminates only signal component relating to transmission signal component which does not belong to groups. The signal estimator performs separation and decoding of the transmission signal belonging to the group. The transmission signal classification apparatus classifies the transmission signals from sets of the transmission antennas in which a cross-correlation value of the vector is larger than a threshold value, into one group, and classifies the transmission signal in which the cross-correlation value is smaller than the threshold value, into another group.

摘要翻译： 本发明具有N条接收天线，传播路径特性估计器，用于干扰消除器的权重发生器，阵列处理干扰消除器，用于信号估计器的加权发生器，信号估计器，传输信号分类装置和解码器 订单决定装置。 天线推断消除电路仅消除与不属于组的传输信号分量相关的信号分量。 信号估计器执行属于该组的传输信号的分离和解码。 发送信号分类装置将来自该矢量的互相关值大于阈值的发送天线的发送信号分类为一组，对互相关值越小的发送信号进行分类 超过阈值，进入另一组。

公开(公告)号：US20070060158A1

公开(公告)日：2007-03-15

申请号：US11347828

申请日：2006-02-03

申请人： Kamesh Medepalli ,  David Famolari ,  Praveen Gopalakrishnan ,  Toshikazu Kodama ,  Ryoko Matsuo ,  Shuichi Obayashi ,  Faramak Vakil

发明人： Kamesh Medepalli ,  David Famolari ,  Praveen Gopalakrishnan ,  Toshikazu Kodama ,  Ryoko Matsuo ,  Shuichi Obayashi ,  Faramak Vakil

IPC分类号： H04Q7/20

CPC分类号： H04W72/085 ,  H04W24/00 ,  H04W84/12 ,  H04W88/08

摘要： The present application discloses, inter alia, a system for improving the aggregate throughput of a wireless local area network which includes: at least one access point that is equipped with at least one transceiver configured to simultaneously transmit and receive at multiple frequencies using multiple channels; and the access point being configured to acquire channel conditions of users and to pool sets of users on the channels based on the channel conditions.

摘要翻译： 本申请尤其公开了一种用于改善无线局域网的总吞吐量的系统，该系统包括：至少一个接入点，其配备有至少一个收发器，所述至少一个收发机被配置为使用多个信道同时以多个频率发送和接收; 并且所述接入点被配置为基于所述信道条件来获取用户的信道状况并且在所述信道上对所述用户集合。

公开(公告)号：US20060189356A1

公开(公告)日：2006-08-24

申请号：US11410042

申请日：2006-04-25

申请人： Shuichi Obayashi

发明人： Shuichi Obayashi

IPC分类号： H04M1/00

CPC分类号： H04B7/022 ,  H04B7/0854

摘要： A mobile communication terminal apparatus which performs radio communication with base stations using an adaptive array antenna which obtains an antenna output by multiplying output signals from the respective antenna elements of an array antenna by weighting factors using multipliers, and adding the resultant data using an adder estimates the arrival direction of radio waves from the base station, and starts adaptive control on the adaptive array antenna, at the time of handover from the one base station to the other base station, by using as initial values the weighting factors obtained in accordance with the arrival direction estimation result obtained prior to the handover.

公开(公告)号：US06650292B2

公开(公告)日：2003-11-18

申请号：US10242605

申请日：2002-09-13

申请人： Shuichi Obayashi

发明人： Shuichi Obayashi

IPC分类号： H01Q324

CPC分类号： H01Q3/2605

摘要： An adaptive array antenna comprising array antenna elements, first and second phase control circuits for transmission data packet, a distributor distributing the transmission data packet to one of the first and second phase control circuits based on the destination, and phase shift amount control circuit controlling the phase shift amount of the first and second phase control circuits based on the destination.