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公开(公告)号：US08175633B2
公开(公告)日：2012-05-08
申请号：US12472839
申请日：2009-05-27
申请人： Yasuhiko Tanabe , Tsuguhide Aoki
发明人： Yasuhiko Tanabe , Tsuguhide Aoki
IPC分类号： H04M1/00
CPC分类号： H04B7/0617 , H04B7/0426 , H04B7/0452 , H04L5/0007
摘要： A wireless communication apparatus includes a first storage unit configured to store each of a plurality of upper limit values of absolute values of additional signals that are set for a corresponding one of a plurality of first wireless communication apparatuses and are added when a plurality of modulation symbols to be transmitted to the first wireless communication apparatuses are precoded, a coding unit configured to decide each of a plurality of first values of the additional signals for a corresponding one of the first wireless communication apparatuses within ranges defined by the upper limit values, and precode the modulation symbols using the first values to obtain a plurality of transmission signals, and a first transmission unit configured to transmit, using multi-user MIMO (Multiple Input Multiple Output), the transmission signals to the first wireless communication apparatuses.
摘要翻译： 无线通信装置包括：第一存储单元，被配置为存储为多个第一无线通信设备中的相应一个设置的附加信号的绝对值的多个上限值中的每一个，并且当多个调制符号 被发送到第一无线通信装置的编码单元被配置为在由上限值限定的范围内确定第一无线通信装置中的相应一个的附加信号的多个第一值中的每一个，以及预编码 使用第一值的调制符号来获得多个发送信号;以及第一发送单元，被配置为使用多用户MIMO（多输入多输出）来发送到第一无线通信装置的发送信号。
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公开(公告)号：US07675980B2
公开(公告)日：2010-03-09
申请号：US12505100
申请日：2009-07-17
IPC分类号： H04L27/08
CPC分类号： H04L25/0226 , H03G3/3052 , H04B7/04 , H04W52/52 , H04W84/12
摘要： A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas.
摘要翻译： 一种用于经由多个天线在发射设备和无线接收设备之间的无线分组通信中使用的无线设备，方法和信号，其中信号发生器生成包括用于第一自动增益控制的短前同步码序列的无线分组 （AGC），第一长前导码序列，用于传送无线分组的长度的信号字段，用于在第一AGC之后执行的第二AGC的AGC前同步码序列，第二长前导序列和 数据字段传送数据。 AGC前同步码序列由多个天线并行发送。
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公开(公告)号：US20060013285A1
公开(公告)日：2006-01-19
申请号：US11152227
申请日：2005-06-15
申请人： Takahiro Kobayashi , Noritaka Deguchi , Yoshimasa Egashira , Yasuhiko Tanabe , Tsuguhide Aoki , Manabu Mukai , Tomoya Horiguchi
发明人： Takahiro Kobayashi , Noritaka Deguchi , Yoshimasa Egashira , Yasuhiko Tanabe , Tsuguhide Aoki , Manabu Mukai , Tomoya Horiguchi
IPC分类号： H04B1/713
CPC分类号： H04L5/1484 , H04B1/7143 , H04B2001/7154 , H04L5/023 , H04L27/2608
摘要： Radio communication apparatus for receiving OFDM signal from base station and transmitting FH signal to base station, using sub-channels, base station comparing hopping pattern information items indicating hopping patterns from radio communication apparatuses including radio communication apparatus, and generating collision information when hopping patterns include colliding hopping patterns, includes estimation unit configured to estimate channel response values of sub-channels based on OFDM signal, selector which selects, from sub-channels, several sub-channels which have higher channel response values than a value, each of channel response values being expressed by power level, signal-to-noise power ratio, or signal-to-interference ratio, determination unit configured to determine hopping pattern from selected sub-channels, transmitter which transmits, to base station, hopping pattern information item indicating determined hopping pattern, receiver which receives collision information from base station, and correction unit configured to correct hopping pattern based on collision information.
摘要翻译： 用于从基站接收OFDM信号并使用子信道发送FH信号的无线电通信装置，基站比较表示包括无线电通信装置的无线电通信装置的跳频模式的跳频模式信息项，并且当跳频模式包括时产生冲突信息 包括估计单元，其被配置为基于OFDM信号来估计子信道的信道响应值;选择器，其从子信道选择具有比值更高的信道响应值的几个子信道，每个信道响应值 由功率电平，信噪比功率比或信号干扰比表示;确定单元，被配置为从所选择的子信道中确定跳频模式;发送器，向基站发送指示确定跳频的跳频模式信息项 模式，接收器接收碰撞信息 以及基于冲突信息来校正跳频图案的校正单元。
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公开(公告)号：US08879434B2
公开(公告)日：2014-11-04
申请号：US13729624
申请日：2012-12-28
申请人： Tsuguhide Aoki , Yasuhiko Tanabe
发明人： Tsuguhide Aoki , Yasuhiko Tanabe
CPC分类号： H04W72/0406 , H04B7/00 , H04B7/04 , H04L1/0026 , H04L1/0027 , H04L1/1671 , H04L12/28 , H04W52/24 , H04W52/265 , H04W72/0446
摘要： According to one embodiment, a wireless communication apparatus includes a calculator and a controller. The calculator multiplies a first weighting factor by a first data signal to be transmitted on a first channel, the first weighting factor is based on a second weighting factor multiplied by a second data signal received on the first channel. The controller controls a transmission to transmit to a destination device a control signal if the first data signal transmitted to the partner device exists, and no second data signal to be transmitted on the first channel exists in the device.
摘要翻译： 根据一个实施例，无线通信装置包括计算器和控制器。 计算器将第一加权因子乘以要在第一信道上发送的第一数据信号，第一加权因子基于乘以在第一信道上接收的第二数据信号的第二加权因子。 如果发送到对方设备的第一数据信号存在，则控制器控制传输以向目的地设备发送控制信号，并且在设备中不存在要在第一信道上发送的第二数据信号。
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公开(公告)号：US08731488B2
公开(公告)日：2014-05-20
申请号：US13101589
申请日：2011-05-05
申请人： Hiroki Mori , Yasuhiko Tanabe , Tsuguhide Aoki
发明人： Hiroki Mori , Yasuhiko Tanabe , Tsuguhide Aoki
IPC分类号： H03C7/02
CPC分类号： H04L25/0224 , H04B7/0615 , H04J11/0023 , H04L25/03019 , H04L25/03343 , H04L27/2613 , H04L27/2614 , H04L2025/03426 , H04L2025/03783 , H04L2025/03808
摘要： According to one embodiment, a wireless communication apparatus includes a perturbation vector addition unit, a weight multiplication unit and a normalization coefficient multiplication unit. The perturbation vector addition unit is configured to add a perturbation vector only to a first data signal of a first transmission signal containing a first pilot signal and the first data signal, and obtain a second transmission signal containing a second pilot signal and a second data signal. The weight multiplication unit is configured to multiply each of the second pilot signal and the second data signal by a weight for removing interference on a reception side, and obtain a third transmission signal containing a third pilot signal and a third data signal. The normalization coefficient multiplication unit is configured to multiply each of the third pilot signal and the third data signal by a common normalization coefficient for normalizing a total transmission power.
摘要翻译： 根据一个实施例，无线通信装置包括扰动向量加法单元，加权乘法单元和归一化系数乘法单元。 扰动向量加法单元被配置为仅对包含第一导频信号和第一数据信号的第一传输信号的第一数据信号添加扰动矢量，并且获得包含第二导频信号和第二数据信号的第二传输信号 。 加权乘法单元被配置为将第二导频信号和第二数据信号中的每一个乘以用于消除接收侧的干扰的权重，并且获得包含第三导频信号和第三数据信号的第三发送信号。 归一化系数乘法单元被配置为将第三导频信号和第三数据信号中的每一个乘以用于归一化总发送功率的公共归一化系数。
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公开(公告)号：US08682270B2
公开(公告)日：2014-03-25
申请号：US12202767
申请日：2008-09-02
IPC分类号： H04B17/02
CPC分类号： H04B1/1081
摘要： An FM receiver includes a receiving unit that receives a signal from a broadcasting station and outputs a receiving signal, an equalizer that equalizes the receiving signal by using a calculated weight, and obtains an equalized output signal, a demodulator that demodulates the equalized output signal to reproduce the signal from the broadcasting station, a detection unit that observes size of the calculated weight to detect a capture state with respect to an undesired broadcasting station and generates a capture detection signal, and a weight setting unit that sets the calculated weight with respect to the equalizer at a steady state, and sets a specific weight for temporarily setting the equalizer in a through state when the capture detection signal is generated.
摘要翻译： FM接收机包括从广播站接收信号并输出接收信号的接收单元，通过使用计算出的权重来均衡接收信号的均衡器，并获得均衡的输出信号;解调器，其将均衡的输出信号解调为 再现来自广播电台的信号，检测单元，其观察计算出的权重的大小以检测相对于不需要的广播电台的捕获状态，并产生捕捉检测信号;以及权重设定单元，其将相对于 均衡器处于稳定状态，并且当生成捕获检测信号时，设定用于将均衡器临时设置为通过状态的特定权重。
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公开(公告)号：US20110244816A1
公开(公告)日：2011-10-06
申请号：US13101589
申请日：2011-05-05
申请人： Hiroki Mori , Yasuhiko Tanabe , Tsuguhide Aoki
发明人： Hiroki Mori , Yasuhiko Tanabe , Tsuguhide Aoki
IPC分类号： H04B1/02
CPC分类号： H04L25/0224 , H04B7/0615 , H04J11/0023 , H04L25/03019 , H04L25/03343 , H04L27/2613 , H04L27/2614 , H04L2025/03426 , H04L2025/03783 , H04L2025/03808
摘要： According to one embodiment, a wireless communication apparatus includes a perturbation vector addition unit, a weight multiplication unit and a normalization coefficient multiplication unit. The perturbation vector addition unit is configured to add a perturbation vector only to a first data signal of a first transmission signal containing a first pilot signal and the first data signal, and obtain a second transmission signal containing a second pilot signal and a second data signal. The weight multiplication unit is configured to multiply each of the second pilot signal and the second data signal by a weight for removing interference on a reception side, and obtain a third transmission signal containing a third pilot signal and a third data signal. The normalization coefficient multiplication unit is configured to multiply each of the third pilot signal and the third data signal by a common normalization coefficient for normalizing a total transmission power.
摘要翻译： 根据一个实施例，无线通信装置包括扰动向量加法单元，加权乘法单元和归一化系数乘法单元。 扰动向量加法单元被配置为仅对包含第一导频信号和第一数据信号的第一传输信号的第一数据信号添加扰动矢量，并且获得包含第二导频信号和第二数据信号的第二传输信号 。 加权乘法单元被配置为将第二导频信号和第二数据信号中的每一个乘以用于消除接收侧的干扰的权重，并且获得包含第三导频信号和第三数据信号的第三发送信号。 归一化系数乘法单元被配置为将第三导频信号和第三数据信号中的每一个乘以用于归一化总发送功率的公共归一化系数。
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公开(公告)号：US07835476B2
公开(公告)日：2010-11-16
申请号：US11689121
申请日：2007-03-21
IPC分类号： H04L27/06
CPC分类号： H04L27/2613 , H04B7/0413 , H04L25/0226
摘要： A receiver of an OFDM signal includes a reception unit to receive an OFDM signal formed by a plurality of OFDM symbols respectively including data subcarriers to which data signals are allocated and pilot subcarriers to which cyclically shifted pilot signals are allocated in frequency domain, an estimator to estimate phase errors of the pilot signals to generate first estimated values related to an offset of the OFDM symbol corresponding to each two or more OFDM symbols in the OFDM signal, a weighting adder to perform weighting additions on the first estimated values to obtain one second estimated value related to the offset, a compensator to compensate the offset by using the second estimated value to obtain a compensated OFDM signal, and a decoder to decode the compensated OFDM signal to reproduce the data signals.
摘要翻译： OFDM信号的接收机包括：接收单元，用于接收由多个OFDM符号形成的OFDM信号，所述OFDM信号分别包括分配数据信号的数据子载波和在频域中被分配了循环移位的导频信号的导频子载波，估计器 估计所述导频信号的相位误差，以产生与所述OFDM信号中对应于每个两个或更多个OFDM符号的OFDM符号的偏移相关的第一估计值;加权加法器，用于对所述第一估计值执行加权增加以获得一秒估计值 与补偿相关的值，通过使用第二估计值来补偿偏移以获得补偿的OFDM信号的补偿器，以及解码器，对经补偿的OFDM信号进行解码以再现数据信号。
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公开(公告)号：US07483503B2
公开(公告)日：2009-01-27
申请号：US11147321
申请日：2005-06-08
CPC分类号： H04L27/2613 , H04B7/0678
摘要： A wireless communication apparatus includes a plurality of antennas, transmits a plurality of known symbol sequences each including a plurality of known symbols by using the antennas, each of the known symbols having subcarrier arrangement on which plural known information of the each of the known symbols are carried on, and inversion/non-inversion of a phase of known information on one of two adjacent subcarriers of the subcarrier arrangement being controlled in accordance with the number of the known symbols and time position of the each of the known symbols, and transmits data symbols by using the antennas after the known symbol sequences are transmitted.
摘要翻译： 无线通信装置包括多个天线，通过使用天线发送多个已知符号序列，每个已知符号序列包括多个已知符号，每个已知符号具有子载波排列，每个已知符号的多个已知信息 并且根据已知符号的数量和每个已知符号的时间位置来控制副载波装置的两个相邻子载波之一上的已知信息的相位的反相/非反相，并且发送数据 在发送已知符号序列之后使用天线的符号。
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公开(公告)号：US20080279259A1
公开(公告)日：2008-11-13
申请号：US12136528
申请日：2008-06-10
申请人： Takahiro Kobayashi , Noritaka Deguchi , Yoshimasa Egashira , Yasuhiko Tanabe , Tsuguhide Aoki , Manabu Mukai , Tomoya Horiguchi
发明人： Takahiro Kobayashi , Noritaka Deguchi , Yoshimasa Egashira , Yasuhiko Tanabe , Tsuguhide Aoki , Manabu Mukai , Tomoya Horiguchi
IPC分类号： H04B1/713
CPC分类号： H04L5/1484 , H04B1/7143 , H04B2001/7154 , H04L5/023 , H04L27/2608
摘要： Radio communication apparatus for receiving OFDM signal from base station and transmitting FH signal to base station, using sub-channels, base station comparing hopping pattern information items indicating hopping patterns from radio communication apparatuses including radio communication apparatus, and generating collision information when hopping patterns include colliding hopping patterns, includes estimation unit configured to estimate channel response values of sub-channels based on OFDM signal, selector which selects, from sub-channels, several sub-channels which have higher channel response values than a value, each of channel response values being expressed by power level, signal-to-noise power ratio, or signal-to-interference ratio, determination unit configured to determine hopping pattern from selected sub-channels, transmitter which transmits, to base station, hopping pattern information item indicating determined hopping pattern, receiver which receives collision information from base station, and correction unit configured to correct hopping pattern based on collision information.
摘要翻译： 用于从基站接收OFDM信号并使用子信道发送FH信号的无线电通信装置，基站比较表示包括无线电通信装置的无线电通信装置的跳频模式的跳频模式信息项，并且当跳频模式包括时产生冲突信息 包括估计单元，其被配置为基于OFDM信号来估计子信道的信道响应值;选择器，其从子信道选择具有比值更高的信道响应值的几个子信道，每个信道响应值 由功率电平，信噪比功率比或信号干扰比表示;确定单元，被配置为从所选择的子信道中确定跳频模式;发送器，向基站发送指示确定跳频的跳频模式信息项 模式，接收器接收碰撞信息 以及基于冲突信息来校正跳频图案的校正单元。
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