公开(公告)号：US07480353B2

公开(公告)日：2009-01-20

申请号：US11009066

申请日：2004-12-13

申请人： Yasuhiko Tanabe

发明人： Yasuhiko Tanabe

IPC分类号： H04L27/06

CPC分类号： H04L25/0228 ,  H04L25/0212 ,  H04L25/022 ,  H04L25/0244 ,  H04L25/0248 ,  H04L27/2647

摘要： An estimation apparatus for estimating a channel response of a radio propagation path using a received signal including a first known signal, comprises a generator which generates a reference signal matrix, a calculator which calculates a generalized inverse matrix of the reference signal matrix including singular values which exceed a preset threshold value, an estimation unit configured to estimate an impulse response of the radio channel modeled using a transversal filter based on the first known signal and the generalized inverse matrix, and a converter which converts the estimated impulse response into a frequency-domain signal to acquire a frequency transfer function of the channel.

摘要翻译： 一种用于使用包括第一已知信号的接收信号来估计无线电传播路径的信道响应的估计装置，包括产生参考信号矩阵的发生器，计算包括奇异值的参考信号矩阵的广义逆矩阵的计算器， 超过预设阈值的估计单元，被配置为基于第一已知信号和广义逆矩阵来估计使用横向滤波器建模的无线电信道的脉冲响应的估计单元，以及将估计的脉冲响应转换为频域 信号以获取频道的频率传递函数。

公开(公告)号：US09281830B2

公开(公告)日：2016-03-08

申请号：US13421391

申请日：2012-03-15

申请人： Shoji Otaka ,  Takafumi Yamaji ,  Tsutomu Sugawara ,  Yasuhiko Tanabe ,  Masahiro Hosoya ,  Hiroki Sakurai

发明人： Shoji Otaka ,  Takafumi Yamaji ,  Tsutomu Sugawara ,  Yasuhiko Tanabe ,  Masahiro Hosoya ,  Hiroki Sakurai

IPC分类号： H04B7/12 ,  H03L7/18 ,  H03L7/08 ,  H04L27/38 ,  H04W52/02

CPC分类号： H03L7/18 ,  H03L7/0802 ,  H04L27/38 ,  H04L27/3818 ,  H04W52/0229 ,  H04W52/0274 ,  Y02D70/142

摘要： A radio apparatus includes a first receiver that is a processing unit for amplifying and frequency converting a radio signal received via an antenna, thereby outputting an IF signal; a detector unit for detecting a preamble signal from the IF signal; a second receiver for amplifying and quadrature demodulating the radio signal, thereby generating an I-signal and a Q-signal; a demodulator unit for demodulating the I-signal and Q-signal to generate a data signal; and a control unit for halting the operation of the first receiver and further activating the second receiver when the detector unit detects the preamble signal and for activating the first receiver and halting the operation of the second receiver when the demodulator unit completes the demodulation of the I-signal and Q-signal.

摘要翻译： 无线电设备包括：第一接收机，其是用于放大和频率转换经由天线接收的无线电信号的处理单元，从而输出IF信号; 检测单元，用于检测来自IF信号的前置信号; 第二接收机，用于放大和正交解调无线电信号，由此产生I信号和Q信号; 解调器单元，用于解调I信号和Q信号以产生数据信号; 以及控制单元，用于当所述检测器单元检测到所述前导码信号并激活所述第一接收机并停止所述第二接收机的操作时，当所述解调器单元完成所述I的解调时，停止所述第一接收机的操作并进一步激活所述第二接收机 信号和Q信号。

公开(公告)号：US09032123B2

公开(公告)日：2015-05-12

申请号：US13004995

申请日：2011-01-12

申请人： Yasuhiko Tanabe

发明人： Yasuhiko Tanabe

IPC分类号： G06F13/12 ,  G06F13/38 ,  G06F13/20

CPC分类号： G06F13/38

摘要： A serial transmission device includes a transmitting unit that transmits data, a receiving unit that receives the data, and a plurality of serial transmission paths that connect the transmitting unit with the receiving unit and are used to transmit data. The receiving unit includes an inter-lane skew information generation unit that generates inter-lane skew information about skew of each of the serial transmission paths and transmits the generated inter-lane skew information to the transmitting unit. The transmitting unit includes a data conversion rule generation unit that generates a conversion rule used to determine distribution of the data to each of the serial transmission paths based on the inter-lane skew information.

摘要翻译： 串行传输设备包括发送数据的发送单元，接收数据的接收单元以及连接发送单元与接收单元并用于发送数据的多个串行传输路径。 接收单元包括：车道间偏斜信息生成单元，其生成关于每个串行传输路径的偏斜的车道间偏斜信息，并将生成的车道间偏斜信息发送到发送单元。 发送单元包括数据转换规则生成单元，其基于车道间歪斜信息生成用于确定到每个串行传输路径的数据的分配的转换规则。

公开(公告)号：US20080008258A1

公开(公告)日：2008-01-10

申请号：US11672233

申请日：2007-02-07

申请人： Yasuhiko Tanabe

发明人： Yasuhiko Tanabe

IPC分类号： H04L1/02

CPC分类号： H04L25/0228 ,  H04L25/0204 ,  H04L25/022 ,  H04L25/024

摘要： A wireless receiving apparatus includes antennas, a receiving unit configured to receive multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM) signals via the antennas, an estimation unit configured to estimate channel response values of subcarriers included in the MIMO-OFDM signals, a first computation unit configured to compute an estimated channel-response error common to the subcarriers based on the estimated channel response values, a response correction unit configured to correct the estimated channel response values using the estimated channel-response error, and a second computation unit configured to perform preprocessing for demodulating the MIMO-OFDM signals, using the corrected channel response values.

摘要翻译： 无线接收装置包括天线，接收单元，被配置为经由天线接收多输入多输出正交频分复用（MIMO-OFDM）信号;估计单元，被配置为估计MIMO-OFDM信号中包括的子载波的信道响应值 ，第一计算单元，被配置为基于所估计的信道响应值来计算所述子载波公共的估计的信道响应误差;响应校正单元，被配置为使用所估计的信道响应误差来校正所估计的信道响应值;以及第二计算 被配置为使用校正的信道响应值来执行用于解调MIMO-OFDM信号的预处理。

公开(公告)号：US20070071078A1

公开(公告)日：2007-03-29

申请号：US11389214

申请日：2006-03-27

申请人： Hiroshi Yoshida ,  Yasuhiko Tanabe ,  Hidenori Okuni ,  Hiroki Shoki

发明人： Hiroshi Yoshida ,  Yasuhiko Tanabe ,  Hidenori Okuni ,  Hiroki Shoki

IPC分类号： H04L5/16

CPC分类号： H04W52/245 ,  H04B1/0028 ,  H04J3/0685 ,  H04L7/0079 ,  H04W52/42

摘要： A radio apparatus includes a first radio-frequency unit configured to receive a reception signal transmitted from a communication partner, and configured to transmit a transmission signal to the communication partner, a second radio-frequency unit configured to receive a reception signal transmitted from the communication partner, configured to transmit a transmission signal to the communication partner, a baseband processing unit configured to be supplied with the reception signal from each of the first and second radio-frequency units, and supply, to each of the first and second radio-frequency units, data to be transmitted to the communication partner, and the baseband processing unit configured to generate a reference signal supplied to each of the first radio-frequency unit and the second radio-frequency unit, and a digital signal supplying unit configured to supply a digital signal containing the reference signal from the baseband processing unit to each of the first and second units.

摘要翻译： 无线电设备包括：第一射频单元，被配置为接收从通信对方发送的接收信号，并且被配置为向通信对方发送发送信号;第二射频单元，被配置为接收从通信发送的接收信号 伙伴，被配置为向所述通信伙伴发送传输信号;基带处理单元，被配置为被提供有来自所述第一和第二射频单元中的每一个的接收信号，并且提供给所述第一和第二射频 单元，要发送到通信伙伴的数据以及被配置为生成提供给第一射频单元和第二射频单元中的每一个的参考信号的基带处理单元，以及数字信号提供单元， 数字信号，其包含从基带处理单元到第一和第二u中的每一个的参考信号 尼特

公开(公告)号：US20120208483A1

公开(公告)日：2012-08-16

申请号：US13422636

申请日：2012-03-16

申请人： Shoji OTAKA ,  Takafumi Yamaji ,  Tsutomu Sugawara ,  Yasuhiko Tanabe ,  Masahiro Hosoya ,  Hiroki Sakurai

发明人： Shoji OTAKA ,  Takafumi Yamaji ,  Tsutomu Sugawara ,  Yasuhiko Tanabe ,  Masahiro Hosoya ,  Hiroki Sakurai

IPC分类号： H04B1/16

CPC分类号： H04W52/0274 ,  H03L7/0802 ,  H03L7/1976 ,  H03L2207/50 ,  H04L25/0292 ,  H04L27/38 ,  H04L27/3818 ,  H04W52/0229 ,  Y02D70/142

摘要： A radio apparatus includes an antenna; an amplifier that amplifies a radio signal, received via the antenna; a first mixer that frequency converts the amplified radio signal to generate a first analog signal; a first A/D converter that converts the first analog signal to generate a first digital signal; a second mixer that frequency converts the amplified signal to generate a second analog signal; a second A/D converter means that converts the second analog signal to generate a second digital signal; a demodulator means that demodulates the first and second digital signals to generate a demodulated signal; a detector that detects a preamble from the first digital signal; and a control means that halts the second mixer and second A/D converter during the wait for the radio signal and that activates the second mixer and second A/D converter when the detector detects the preamble.

摘要翻译： 无线电设备包括天线; 放大器，放大经由天线接收的无线电信号; 第一混频器，其对放大的无线电信号进行频率转换以产生第一模拟信号; 第一A / D转换器，其转换第一模拟信号以产生第一数字信号; 第二混频器，其对放大的信号进行频率转换以产生第二模拟信号; 第二A / D转换器，用于转换第二模拟信号以产生第二数字信号; 解调器装置，解调第一和第二数字信号以产生解调信号; 检测器，其从所述第一数字信号检测前导码; 以及控制装置，其在等待无线电信号期间停止第二混频器和第二A / D转换器，并且当检测器检测到前导码时激活第二混频器和第二A / D转换器。

公开(公告)号：US20050141649A1

公开(公告)日：2005-06-30

申请号：US11009066

申请日：2004-12-13

申请人： Yasuhiko Tanabe

发明人： Yasuhiko Tanabe

IPC分类号： H04J11/00 ,  H04L27/06

CPC分类号： H04L25/0228 ,  H04L25/0212 ,  H04L25/022 ,  H04L25/0244 ,  H04L25/0248 ,  H04L27/2647

摘要： An estimation apparatus for estimating a channel response of a radio propagation path using a received signal including a first known signal, comprises a generator which generates a reference signal matrix, a calculator which calculates a generalized inverse matrix of the reference signal matrix including singular values which exceed a preset threshold value, an estimation unit configured to estimate an impulse response of the radio channel modeled using a transversal filter based on the first known signal and the generalized inverse matrix, and a converter which converts the estimated impulse response into a frequency-domain signal to acquire a frequency transfer function of the channel.

摘要翻译： 一种用于使用包括第一已知信号的接收信号来估计无线电传播路径的信道响应的估计装置，包括产生参考信号矩阵的发生器，计算包括奇异值的参考信号矩阵的广义逆矩阵的计算器， 超过预设阈值的估计单元，被配置为基于所述第一已知信号和所述广义逆矩阵来估计使用横向滤波器建模的无线电信道的脉冲响应的估计单元，以及将所述估计的脉冲响应转换为频域 信号以获取频道的频率传递函数。

公开(公告)号：US20050025262A1

公开(公告)日：2005-02-03

申请号：US10880505

申请日：2004-07-01

申请人： Yasuhiko Tanabe ,  Kuniaki Ito

发明人： Yasuhiko Tanabe ,  Kuniaki Ito

IPC分类号： H04J11/00 ,  H04B7/08 ,  H04B7/10 ,  H04L27/06

CPC分类号： H04B7/0848 ,  Y02D70/444

摘要： A controller controls weighting factors of received signals of combining units, such that impairment included in an output signal of the combining unit and impairment included in an output signal of the combining unit are mutually uncorrelated and that the combining units strongly receive different multipath signals which arrive at different propagation delay timing. Soft output decoders perform decoding by iterating soft output detection on the basis of the outputs of the combining units and results of mutual soft output detection, to enhance the reliability of likelihood information about the detected signal discrimination. After that, a hard output decoder performs hard output.

摘要翻译： 控制器控制组合单元的接收信号的加权因子，使得包含在组合单元的输出信号中的损伤和组合单元的输出信号中包含的损害相互不相关，并且组合单元强烈地接收到达不同的多径信号 在不同的传播延迟定时。 软输出解码器通过基于组合单元的输出和相互软输出检测的结果迭代软输出检测来执行解码，以增强关于检测信号辨别的似然信息的可靠性。 之后，硬输出解码器执行硬输出。

公开(公告)号：US20090154411A1

公开(公告)日：2009-06-18

申请号：US12210646

申请日：2008-09-15

申请人： Shohei Kikuchi ,  Yasuhiko Tanabe

发明人： Shohei Kikuchi ,  Yasuhiko Tanabe

IPC分类号： H04B7/216

CPC分类号： H04B7/0417 ,  H04L25/0204 ,  H04L25/0228 ,  H04L25/0242 ,  H04L25/03343 ,  H04L2025/03426 ,  H04L2025/03802

摘要： A terminal apparatus includes: a reception unit configured to receive a signal from a base station; a channel estimation unit configured to estimate a state of a channel based on a received signal; a storage configured to store a codebook including channel state values; an index of search number acquisition unit configured to acquire index of search number of candidates to be selected from among the channel state values for a correlation calculation with the estimated state value; a candidate selecting unit configured to select candidates for which the correlation calculation should be performed from among the channel state values according to the index of search number; a correlation calculation unit configured to calculate a correlation between the estimated state value and each of selected candidates; a selection unit configured to select a candidate having a highest correlation value; and a reporting unit configured to report a selected candidate to the base station.

摘要翻译： 终端装置包括：接收单元，被配置为从基站接收信号; 信道估计单元，被配置为基于接收信号来估计信道的状态; 存储器，被配置为存储包括信道状态值的码本; 搜索号码获取单元的索引，被配置为从所述估计状态值的相关计算中获取要从所述信道状态值中选择的候选的搜索数目的索引; 候选选择单元，被配置为根据搜索号的索引从信道状态值中选择应执行相关计算的候选; 相关计算单元，被配置为计算所述估计状态值与所选候选中的每一个之间的相关性; 选择单元，被配置为选择具有最高相关值的候选; 以及报告单元，被配置为向所述基站报告所选择的候选。

公开(公告)号：US20080298441A1

公开(公告)日：2008-12-04

申请号：US12055047

申请日：2008-03-25

申请人： Shohei Kikuchi ,  Yasuhiko Tanabe

发明人： Shohei Kikuchi ,  Yasuhiko Tanabe

IPC分类号： H04B1/38

CPC分类号： H04B7/0617

摘要： A radio communications apparatus executing transmit beam forming includes a receiver which receives an estimate value of a propagation path response, a computer which calculates a weighting matrix to be used for the transmit beam forming, in accordance with the estimate value, a correcting unit which corrects a component, of components of the weighting matrix, and a beam forming unit which executes beam forming using the weighting matrix corrected by the correcting unit and executes radio transmission.

摘要翻译： 执行发送波束形成的无线电通信装置包括：接收器，其接收传播路径响应的估计值;计算机，其根据估计值计算要用于发射波束形成的加权矩阵;校正单元，其校正 加权矩阵的分量的分量，以及使用由校正单元校正的加权矩阵执行波束形成并执行无线电传输的波束形成单元。