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81. 发明申请

US20060276146A1 Multi-band lookup table type predistorter 失效
公开(公告)号：US20060276146A1
公开(公告)日：2006-12-07
申请号：US11444494
申请日：2006-06-01
申请人： Yasunori Suzuki , Shoichi Narahashi
发明人： Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H04B1/04
CPC分类号： H03F1/3252 , H03F1/3247 , H03F2200/111
摘要： A lookup table type predistorter for reading out distortion compensation data by using a difference signal between a power amplifier input signal and an output signal as a reference signal; wherein N input side variable band signal extractors extract transmitting signals in N frequency bands from the input signal, N output side variable band signal extractors extract signals in N frequency bands from the output of power amplifier, and N difference detectors detect differences between N frequency band signals respectively detected at the input side and the output side as N reference signals, which are used to read out N compensation data from N lookup tables, the N compensation data are added to the transmitting signals in N frequency bands, and N results of addition are combined to produce an output of the predistorter.

82. 发明申请

US20050206481A1 Filter 有权
标题翻译：过滤
公开(公告)号：US20050206481A1
公开(公告)日：2005-09-22
申请号：US11046942
申请日：2005-02-01
申请人： Daisuke Koizumi , Kei Satoh , Shoichi Narahashi
发明人： Daisuke Koizumi , Kei Satoh , Shoichi Narahashi
IPC分类号： H01L23/12 , H01P1/201 , H01P1/203 , H01P5/02
CPC分类号： H01P1/2013
摘要： A filter is provided which comprises a single dielectric, and a line conductor and a ground conductor disposed on the dielectric. The line conductor includes first and second line conductor sections having opposed portions defining an open gap therebetween to form a capacitive coupling section. The edge lines of the opposed portions of the first and second conductor sections defining the open gap therebetween are substantially elongated relative to the line width of the corresponding conductor sections. The thus constructed filter is capable of suppressing a variation in the normalized J-inverter value even if dimensional errors relative to the design specifications due to overetching or underetching involved during the manufacture.
摘要翻译：提供了一种滤波器，其包括单个电介质，以及设置在电介质上的线路导体和接地导体。线路导体包括第一和第二线路导体部分，其具有限定它们之间的开放间隙的相对部分，以形成电容耦合部分。限定它们之间的开放间隙的第一和第二导体部分的相对部分的边缘线相对于相应的导体部分的线宽度基本上是细长的。这样构成的滤波器即使在制造过程中涉及到的由于过度蚀刻或不平整而导致的相对于设计规格的尺寸误差，也能够抑制归一化的J-逆变器值的变化。

83. 发明申请

US20050206480A1 Coplanar waveguide filter and method of forming same 有权
标题翻译：共面波导滤波器及其形成方法
公开(公告)号：US20050206480A1
公开(公告)日：2005-09-22
申请号：US11046923
申请日：2005-02-01
申请人： Kei Satoh , Shoichi Narahashi , Tetsuo Hirota , Yasushi Yamao
发明人： Kei Satoh , Shoichi Narahashi , Tetsuo Hirota , Yasushi Yamao
IPC分类号： H01P1/203 , H01P1/201 , H01P7/08
CPC分类号： H01P1/2013
摘要： A plurality of one-quarter wavelength coplanar resonators 5a to 5d are formed in series on a dielectric substrate 1, and coplanar input/output terminal sections 4a and 4b are formed on the dielectric substrate at opposite ends of the series connection for coupling with resonators 5a and 5d, respectively. A center conductor line width w1 of each of the resonators 5a to 5d is equal to a center conductor line width wio of each of the input/output terminal section 4a and 4b, but a ground conductor spacing d1 of each of the resonators 5a to 5d is greater than a ground conductor spacing dio of each of input/output terminal section 4a and 4b. Maintaining the accuracy of design is facilitated and a reduction in the maximum current density in the resonator is enabled.
摘要翻译：在电介质基板1上串联形成多个四分之一波长的共面谐振器5a至5d，并且在串联连接的相对端的电介质基板上形成共面输入输出端子部分4a和4b，分别与谐振器5a和5d耦合。每个谐振器5a至5d的中心导体线宽度W 1 N 1等于每个输入/输出端子部分的中心导体线宽度w IN 如图4A和4B所示，但是每个谐振器5a至5d的接地导体间隔d 1 SUB大于每个输入端的接地导体间距d i /输出端子部分4a和4b。维护设计的精度便于实现谐振器中最大电流密度的降低。

84. 发明申请

US20050162225A1 Multi-band look-up table type predistorter 有权
标题翻译：多频段查找表型预失真器
公开(公告)号：US20050162225A1
公开(公告)日：2005-07-28
申请号：US11043142
申请日：2005-01-27
申请人： Yasunori Suzuki , Shoichi Narahashi
发明人： Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H04B1/62 , H03F1/32 , H03F3/189 , H03F1/26
CPC分类号： H03F1/3252 , H03F1/3241 , H03F1/3247 , H03F3/189 , H03F2201/3233
摘要： A predistorter compensates, with high accuracy, for a distortion in each frequency band by a power amplifier that amplifies a transmission signal containing multiple frequency bands whose center frequencies are widely spaced apart. Signals of the respective frequency bands are extracted by multiple band signal extractors from the input signal containing transmission signals of multiple frequency bands; differences between the extracted signals and the output signal from the power amplifier are detected by multiple difference detectors in the respective bands; the detected difference signals are used as reference signals to read out compensation data from look-up tables for the respective frequency bands; the compensation data is added by multiple adders to the extracted transmission signals of the respective frequency bands; and the added outputs are combined by a combiner to provide the output signal from the predistorter.
摘要翻译：预失真器通过功率放大器以高精度补偿每个频带的失真，功率放大器放大包含中心频率间隔很大的多个频带的传输信号。由多个频带信号提取器从包含多个频带的发送信号的输入信号中提取各个频带的信号; 提取的信号和来自功率放大器的输出信号之间的差异由各个频带中的多个差分检测器检测; 检测到的差分信号用作参考信号，以从各个频带的查找表读出补偿数据; 补偿数据由多个加法器相加到提取的各个频带的发送信号; 并且相加的输出由组合器组合以提供来自预失真器的输出信号。

85. 发明授权

US5790555A Signal multiplexer and multiplexing method 失效
标题翻译：信号多路复用和复用方法
公开(公告)号：US5790555A
公开(公告)日：1998-08-04
申请号：US663278
申请日：1996-06-07
申请人： Shoichi Narahashi , Ken Kumagai , Toshio Nojima , Yoshiaki Tarusawa
发明人： Shoichi Narahashi , Ken Kumagai , Toshio Nojima , Yoshiaki Tarusawa
IPC分类号： H03G3/30 , H04B1/04 , H04J1/00 , H04J1/06 , H04J1/16 , H04J1/20 , H04L5/06 , H04L27/10 , H04L27/12 , H04L27/26
CPC分类号： H04J1/06 , H03G3/30 , H03G3/3042 , H04J1/065 , H04J1/16 , H04J1/20 , H04L27/10 , H04L27/12 , H04L5/06 , H04L27/2621
摘要： The frequencies of input modulated signals fed via ports 11.sub.1 to 11.sub.n are converted by frequency converting parts 12.sub.1 to 12.sub.n to different bands, and the converted outputs are applied to power combining part 24 decides if 16 via variable attenuators 21.sub.1 to 21.sub.n, respectively, and provided therefrom as a multiplexed output a portion of which is branched. The envelope power level L is detected by level detecting part 23. Control with the detected level L exceeds a level L.sub.s that is k times the average power of the multiplexed signal k being about 4 to 5, and controls the attenuators 21.sub.1 to 21.sub.n to attenuate the average power of the modulated signal by k/n-fold or less for about 1/.DELTA.F.sub.0 (sec), where (.DELTA.F.sub.0 �Hz! is the frequency bandwidth of the multiplexed signal.
摘要翻译： PCT No.PCT / JP95 / 02467 Sec。 371日期1996年6月7日第 102（e）日期1996年6月7日PCT 1995年12月4日PCT PCT。公开号WO96 / 18249 日期1996年6月13日经由端口111至11n馈送的输入调制信号的频率由频率转换部分121至12n转换为不同频带，并且转换后的输出被施加到功率合成部分24通过可变衰减器211至21n判定16 ，并作为其一部分分支的多路复用输出。包络功率电平L由电平检测部23检测。具有检测电平L的控制超过多路复用信号k的k倍的k倍的电平Ls为约4〜5，并且控制衰减器211〜21n衰减对于约1 / DELTA F0（sec），调制信号的平均功率为k / n倍或更小，其中（DELTA F0 [Hz]是多路复用信号的频率带宽）。

86. 发明授权

US5313657A Receiver capable of reliably detecting a failure 失效
标题翻译：能够可靠地检测故障的接收器
公开(公告)号：US5313657A
公开(公告)日：1994-05-17
申请号：US964669
申请日：1992-10-22
申请人： Hironori Sakamoto , Satoru Ohara , Toshio Nojima , Shoichi Narahashi , Makoto Maeta
发明人： Hironori Sakamoto , Satoru Ohara , Toshio Nojima , Shoichi Narahashi , Makoto Maeta
IPC分类号： H04B1/76 , H04B17/00 , H04B17/20 , H04B17/29 , H04B1/10 , H03F3/66 , G01R19/00
CPC分类号： H04B1/76 , H04B17/29
摘要： In a receiver comprising a receiver filter (12) with a frequency attenuation band and a pilot oscillator (25) for generating a pilot oscillation signal with a pilot frequency in the frequency attenuation band, a coupler (26) couples the pilot oscillation signal and a filtered receiver signal of the receiver filter to form a coupled signal. A low noise amplifier (13) amplifies the coupled signal into an amplified signal which comprises an amplified receiver signal component derived from the filtered receiver signal and an amplified pilot oscillation signal component derived from the pilot oscillation signal. A branching filter (27) branches the amplified signal into the amplified receiver signal component and the amplified pilot oscillation signal. A pilot signal component detector unit (28) detects the amplified pilot oscillation signal component to produce a direct pilot signal. A failure monitoring unit (29) monitors the direct pilot signal to produce a fault signal when the direct pilot signal is found faulty.
摘要翻译：在包括具有频率衰减频带的接收机滤波器（12）和用于在频率衰减频带中产生具有导频的导频振荡信号的导频振荡器（25）的接收机中，耦合器（26）将导频振荡信号和滤波的接收机滤波器的接收器信号以形成耦合信号。低噪声放大器（13）将耦合信号放大为放大信号，该放大信号包括从经滤波的接收机信号导出的放大的接收机信号分量和从导频振荡信号导出的放大的导频振荡信号分量。分路滤波器（27）将放大的信号分支为放大的接收机信号分量和放大的导频振荡信号。导频信号分量检测器单元（28）检测放大的导频振荡信号分量以产生直接导频信号。当发现直接导频信号有故障时，故障监视单元（29）监视直接导频信号以产生故障信号。

87. 发明授权

US08314656B2 Power series digital predistorter and distortion compensation control method thereof 失效
标题翻译：电力系列数字预失真器及其失真补偿控制方法
公开(公告)号：US08314656B2
公开(公告)日：2012-11-20
申请号：US13033279
申请日：2011-02-23
申请人： Junya Ohkawara , Yasunori Suzuki , Shoichi Narahashi
发明人： Junya Ohkawara , Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H03F1/32
CPC分类号： H03F1/3282 , H03F1/3247 , H03F1/3258
摘要： Coefficients W0, W1 and W2 to be used in finding a new quadratic function f2(W) indicating dependence of a distortion component on an coefficient by the least square method are obtained as values that satisfy a relational expression f1(W0)=f1(W2)=f1(W1)+P (where P is a true value) on the basis of a quadratic function f1(W) indicating unupdated distortion component coefficient dependence.
摘要翻译：作为满足关系式f1（W0）= f1（W2）的值，求出用于求出表示失真分量对系数的最小二乘法的相关性的新的二次函数f2（W）的系数W0，W1，W2 ）= f1（W1）+ P（其中P是真值），其基于表示未更新的失真分量系数依赖性的二次函数f1（W）。

88. 发明授权

US08295789B2 Multi-band lookup table type predistorter 失效
标题翻译：多频段查找表型预失真器
公开(公告)号：US08295789B2
公开(公告)日：2012-10-23
申请号：US12493725
申请日：2009-06-29
申请人： Yasunori Suzuki , Shoichi Narahashi
发明人： Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H04B1/04
CPC分类号： H03F1/3252 , H03F1/3247 , H03F2200/111
摘要： A lookup table type predistorter for reading out distortion compensation data by using a difference signal between a power amplifier input signal and an output signal as a reference signal; wherein N input side variable band signal extractors extract transmitting signals in N frequency bands from the input signal, N output side variable band signal extractors extract signals in N frequency bands from the output of power amplifier, and N difference detectors detect differences between N frequency band signals respectively detected at the input side and the output side as N reference signals, which are used to read out N compensation data from N lookup tables, the N compensation data are added to the transmitting signals in N frequency bands, and N results of addition are combined to produce an output of the predistorter.
摘要翻译：一种查找表型预失真器，用于通过使用功率放大器输入信号和输出信号之间的差分信号作为参考信号来读出失真补偿数据; 其中N个输入侧可变频带信号提取器从输入信号中提取N个频带中的发送信号，N个输出侧可变频带信号提取器从功率放大器的输出端提取N个频带中的信号，并且N个差分检测器检测N个频带分别在输入侧和输出侧检测到的信号作为用于从N个查找表读出N个补偿数据的N个参考信号，将N个补偿数据相加到N个频带中的发送信号，并将N个加法结果被组合以产生预失真器的输出。

89. 发明授权

US08184739B2 Power series digital predistorter and control method therefor 有权
标题翻译：电力系列数字预失真器及其控制方法
公开(公告)号：US08184739B2
公开(公告)日：2012-05-22
申请号：US12782168
申请日：2010-05-18
申请人： Junya Ohkawara , Yasunori Suzuki , Shoichi Narahashi
发明人： Junya Ohkawara , Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H04K1/02
CPC分类号： H03F1/3247 , H03F1/3258
摘要： A power series digital predistorter includes a combiner which combines an output from a linear transmission path with an output from an odd-order distortion generating path, an analog-to-digital converter which converts a feedback signal from an output of a power amplifier to a digital feedback signal, an odd-order distortion vector control part which controls vector adjustment performed by an odd-order distortion vector adjusting part in the odd-order distortion generating path, a cancellation signal generating part which generates a cancellation signal from an input transmission signal, a combiner which is inserted in a feedback signal path and which combines the cancellation signal with a signal from the feedback signal path, and a cancellation signal control part which controls the cancellation signal generating part so that the cancellation signal suppresses a main signal component in the feedback signal at the combiner.
摘要翻译：功率系列数字预失真器包括组合器，其将来自线性传输路径的输出与来自奇数阶失真产生路径的输出组合，模数转换器，其将来自功率放大器的输出的反馈信号转换为数字反馈信号，奇数失真矢量控制部，其控制由奇数失真生成路径中的奇数阶失真矢量调整部执行的矢量调整;消除信号生成部，其从输入的发送信号生成消除信号，组合器，其插入在反馈信号路径中并将抵消信号与来自反馈信号路径的信号组合;以及消除信号控制部分，其控制消除信号产生部分，使得抵消信号抑制主信号分量组合器的反馈信号。

90. 发明授权

US07907678B2 Power series predistorter and control method thereof 失效
标题翻译：电力系列预失真器及其控制方法
公开(公告)号：US07907678B2
公开(公告)日：2011-03-15
申请号：US11434068
申请日：2006-05-16
申请人： Shinji Mizuta , Yasunori Suzuki , Shoichi Narahashi
发明人： Shinji Mizuta , Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H04L27/00 , H04L25/03 , H04B1/04 , H03F1/26 , H03F1/00
CPC分类号： H03F1/3258
摘要： In a distortion generation path of a power series predistorter, a frequency characteristic compensator that adjusts the frequency characteristic of a distortion component is provided in series with an odd-order distortion generator. The output of a power amplifier is divided to obtain an output signal of the power amplifier, the output signal of the power amplifier is down-converted by a down converter, and a distortion detector detects a distortion component in the down-converted signal of base band. The frequency characteristic of the distortion component is split into windows each having a band width of Δf by a distortion component frequency characteristic splitter, and the power of the distortion component in each window is detected. Based on the detected power, the frequency characteristic compensator adjusts a part of the frequency characteristic of the distortion component associated with each window.
摘要翻译：在功率系列预失真器的失真产生路径中，与奇数失真发生器串联地提供调整失真分量的频率特性的频率特性补偿器。功率放大器的输出被分割以获得功率放大器的输出信号，功率放大器的输出信号由下变频器下变频，并且失真检测器检测基极的下变频信号中的失真分量带。通过失真分量频率特性分离器将失真分量的频率特性分割成具有＆Dgr; f的带宽的窗口，并且检测每个窗口中的失真分量的功率。基于检测到的功率，频率特性补偿器调整与每个窗口相关联的失真分量的频率特性的一部分。

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