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51. 发明授权

US07466762B2 Distortion compensating apparatus 有权
标题翻译：失真补偿装置
公开(公告)号：US07466762B2
公开(公告)日：2008-12-16
申请号：US11107851
申请日：2005-04-18
申请人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
发明人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
IPC分类号： H04L25/49
CPC分类号： H04L27/368
摘要： A distortion compensation apparatus shortens the time until start of the transmission. The distortion compensating apparatus for amplifying the transmitted signal after implementation of the distortion compensation process thereto comprises a coefficient memory operable to store coefficients used for the distortion compensation process, an initial value memory operable to store the initial values of the coefficients, and a controller which controls the coefficient memory to store, with limitation, only the coefficients corresponding to the first portion among those stored in the initial value memory for the initial write to the coefficient memory and to store thereafter the coefficients corresponding to the second portion.
摘要翻译：失真补偿装置缩短直到开始发送的时间。用于在实施失真补偿处理之后放大发送信号的失真补偿装置包括可操作以存储用于失真补偿处理的系数的系数存储器，可操作以存储系数的初始值的初始值存储器，以及控制器，控制系数存储器，仅限于存储在初始值存储器中的那些对应于第一部分的系数用于对系数存储器的初始写入，并且此后存储对应于第二部分的系数。

52. 发明授权

US07433421B2 Distortion compensation apparatus 有权
标题翻译：失真补偿装置
公开(公告)号：US07433421B2
公开(公告)日：2008-10-07
申请号：US11147462
申请日：2005-06-08
申请人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
发明人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
IPC分类号： H04L25/49
CPC分类号： H04L27/368 , H03F1/3247
摘要： A distortion compensation apparatus is provided to restrain an increased calculation time caused by a large amount of calculation required for obtaining a phase variation amount for compensation from the correlation. The distortion compensation apparatus includes an update calculation section calculating a distortion compensation coefficient by use of an adaptive algorithm; a distortion compensation section performing distortion compensation to the transmission signal, based on the distortion compensation coefficient being read out from the distortion compensation coefficient storage; a correlation calculation section calculating a real part of correlation and an imaginary part of correlation of each the reference signal and the feedback signal; and a phase rotation section compensating a relative phase deviation between the reference signal and the feedback signal, based on the real part of correlation and the imaginary part of correlation calculated by the correlation calculation section, wherein the update calculation section calculates a distortion compensation coefficient using the post-compensation signal.
摘要翻译：提供了一种失真补偿装置，用于抑制从相关性获得用于补偿的相位变化量所需的大量计算所引起的增加的计算时间。失真补偿装置包括：更新计算部，利用自适应算法计算失真补偿系数; 基于从失真补偿系数存储器读出的失真补偿系数，对发送信号进行失真补偿的失真补偿部; 相关计算部分，计算每个参考信号和反馈信号的相关的实部和相关的虚部; 以及相位旋转部，其基于由所述相关计算部计算出的相关的实部和所述相关的虚部，补偿所述参考信号和所述反馈信号之间的相对相位偏差，其中，所述更新计算部使用后补偿信号。

53. 发明授权

US07418057B2 Distortion compensating apparatus, compressed data generating method 失效
标题翻译：失真补偿装置，压缩数据生成方法
公开(公告)号：US07418057B2
公开(公告)日：2008-08-26
申请号：US11113043
申请日：2005-04-25
申请人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
发明人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
IPC分类号： H04L25/49
CPC分类号： H03F1/3247
摘要： To shorten the time required for writing of the distortion compensation coefficient and to reduce amount of data of the distortion compensation coefficient stored as the initial value of the distortion compensation apparatus. The distortion compensation apparatus for amplifying the transmitting signal after implementing the distortion compensation process comprises a coefficient memory for storing corresponding to each address the coefficient used for the distortion compensation process, an initial value memory for storing the initial value of the coefficient, and a controller for write control corresponding to n (n: natural number equal to 2 or larger) addresses of the coefficient read from the initial value memory corresponding to one address.
摘要翻译：缩短写入失真补偿系数所需的时间并减少作为失真补偿装置的初始值存储的失真补偿系数的数据量。用于在实施失真补偿处理之后放大发送信号的失真补偿装置包括用于存储对应于每个地址的用于失真补偿处理的系数的系数存储器，用于存储系数的初始值的初始值存储器，以及控制器对应于从对应于一个地址的初始值存储器读取的系数的n（n：等于2或更大的自然数）的地址的写入控制。

54. 发明申请

US20080111723A1 DC OFFSET CORRECTION APPARATUS AND METHOD 有权
标题翻译： DC偏移校正装置和方法
公开(公告)号：US20080111723A1
公开(公告)日：2008-05-15
申请号：US12016354
申请日：2008-01-18
申请人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
发明人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
IPC分类号： H03M1/10
CPC分类号： H04L25/061 , H03M1/1019 , H03M1/66 , H04B1/30 , H04L25/06 , H04L27/364
摘要： A reference signal and a feedback signal are written to memory and the state of a power value of a reference signal is used for judging whether the current signal is in a normal state, burst state, non-modulation state or no-wave transmission state. If the state is judged to be the burst state or no-wave transmission state, a DC offset correction is performed by selecting a feedback signal type DC offset correction method in which a DC offset is corrected by using only a feedback signal. If the state is judged to be the normal state or non-modulation state, a DC offset correction is performed by selecting a reference signal type DC offset correction method in which a DC offset is corrected by using a differential signal between the reference signal and feedback signal.
摘要翻译：将参考信号和反馈信号写入存储器，并且使用参考信号的功率值的状态来判断当前信号是处于正常状态，脉冲串状态，非调制状态还是无波传输状态。如果状态被判断为突发状态或无波传输状态，则通过选择仅通过使用反馈信号校正DC偏移的反馈信号型DC偏移校正方法来执行DC偏移校正。如果状态被判断为正常状态或非调制状态，则通过选择参考信号型DC偏移校正方法来执行DC偏移校正，其中通过使用参考信号和反馈之间的差分信号校正DC偏移信号。

55. 发明申请

US20070030920A1 Address generating device and method of generating address 有权
标题翻译：地址生成装置和地址生成方法
公开(公告)号：US20070030920A1
公开(公告)日：2007-02-08
申请号：US11268652
申请日：2005-11-08
申请人： Yasuhito Funyu , Takeshi Ohba , Hideharu Shako
发明人： Yasuhito Funyu , Takeshi Ohba , Hideharu Shako
IPC分类号： H04L25/03
CPC分类号： H03F1/3247 , H03F2201/3233
摘要： An address frequency operation unit counts frequencies of occurrences of addresses output by an address conversion unit 14, and a CPU 16 rewrites an address conversion table in the address conversion unit 14 based on a comparison between the counted result and a threshold value. When the frequency of the address is lower than the threshold value, the frequency of occurrence of an output address is increased by increasing the number of input addresses corresponding to one output address. Also, distortion in an output signal which is fed back is detected and the address conversion table is rewritten so that the distortion is decreased.
摘要翻译：地址频率操作单元对由地址转换单元14输出的地址的出现频率进行计数，并且CPU16基于计数结果和阈值之间的比较来重写地址转换单元14中的地址转换表。当地址的频率低于阈值时，通过增加对应于一个输出地址的输入地址的数量来增加输出地址的出现频率。此外，检测反馈的输出信号的失真，并且改写地址转换表，使得失真减小。

56. 发明申请

US20060215783A1 Distortion compensation apparatus 有权
公开(公告)号：US20060215783A1
公开(公告)日：2006-09-28
申请号：US11188782
申请日：2005-07-26
申请人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
发明人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
IPC分类号： H04L25/03
CPC分类号： H04L27/368 , H03F1/3241 , H03F1/3294 , H03F2200/321 , H03F2200/336 , H03F2201/3233 , H04B2001/0425
摘要： A step size parameter μ is adaptively varied when a distortion compensation coefficient is calculated in a distortion compensation apparatus, relation between transmission signal level and step size parameter μ is considered. The distortion compensation apparatus includes a memory storing distortion compensation coefficient in a designated write address, and outputting distortion compensation coefficient being stored in a designated readout address; a predistortion section performing distortion compensation processing onto a transmission signal, using the distortion compensation coefficient being output from memory; and a distortion compensation section calculating an update value of distortion compensation coefficient, based on error component existent between transmission signal before distortion compensation processing and transmission signal after being amplified by an amplifier. Further, the distortion compensation section modifies magnitude of step size parameter determining degree of effect of error component produced on the update value, when calculating the update value of the distortion compensation coefficient.

57. 发明申请

US20060188038A1 Distortion compensation apparatus 有权
标题翻译：失真补偿装置
公开(公告)号：US20060188038A1
公开(公告)日：2006-08-24
申请号：US11147462
申请日：2005-06-08
申请人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
发明人： Hideharu Shako , Yasuhito Funyu , Takeshi Ohba
IPC分类号： H04L25/08
CPC分类号： H04L27/368 , H03F1/3247
摘要： A distortion compensation apparatus is provided to restrain an increased calculation time caused by a large amount of calculation required for obtaining a phase variation amount for compensation from the correlation. The distortion compensation apparatus includes an update calculation section calculating a distortion compensation coefficient by use of an adaptive algorithm; a distortion compensation section performing distortion compensation to the transmission signal, based on the distortion compensation coefficient being read out from the distortion compensation coefficient storage; a correlation calculation section calculating a real part of correlation and an imaginary part of correlation of each the reference signal and the feedback signal; and a phase rotation section compensating a relative phase deviation between the reference signal and the feedback signal, based on the real part of correlation and the imaginary part of correlation calculated by the correlation calculation section, wherein the update calculation section calculates a distortion compensation coefficient using the post-compensation signal.
摘要翻译：提供了一种失真补偿装置，用于抑制从相关性获得用于补偿的相位变化量所需的大量计算所引起的增加的计算时间。失真补偿装置包括：更新计算部，利用自适应算法计算失真补偿系数; 基于从失真补偿系数存储器读出的失真补偿系数，对发送信号进行失真补偿的失真补偿部; 相关计算部分，计算每个参考信号和反馈信号的相关的实部和相关的虚部; 以及相位旋转部，其基于由所述相关计算部计算出的相关的实部和所述相关的虚部，补偿所述参考信号和所述反馈信号之间的相对相位偏差，其中，所述更新计算部使用后补偿信号。

58. 发明申请

US20050101254A1 Distortion compensating amplifier 有权
标题翻译：失真补偿放大器
公开(公告)号：US20050101254A1
公开(公告)日：2005-05-12
申请号：US10827081
申请日：2004-04-19
申请人： Takao Sasaki , Hideharu Shako , Hiromi Miyamoto
发明人： Takao Sasaki , Hideharu Shako , Hiromi Miyamoto
IPC分类号： H03F1/32 , H04B1/04 , H04L27/36 , H04L5/16
CPC分类号： H03F1/3247 , H03F1/3294 , H03F2200/465 , H03F2201/3227 , H03F2201/3233 , H04L27/368
摘要： Disclosed is a distortion compensating amplifier having a distortion compensator for compensating for distortion of an amplifier by updating distortion compensation coefficients so as to null a difference between a transmit signal and a feedback signal, and subjecting the transmit signal to distortion compensation processing using the distortion compensation coefficients, an amplifier for amplifying the transmit signal, which has undergone distortion compensation, in order to transmit the signal from an antenna, and a feedback unit for inputting an output signal from the amplifier to a distortion compensation coefficient updater in the distortion compensator as the feedback signal. Whether the level of an unwanted-wave signal that penetrates the amplifier from space via an antenna is greater than a set level is monitored. If the level of the unwanted-wave signal is above the set level, processing for updating distortion compensation coefficients is suspended. If the level of the unwanted-wave signal is below the set level, then processing for updating distortion compensation coefficients is resumed.
摘要翻译：公开了一种失真补偿放大器，其具有失真补偿器，用于通过更新失真补偿系数来补偿放大器的失真，以便使发送信号和反馈信号之间的差值为零，以及使用失真补偿对发送信号进行失真补偿处理系数，用于放大已经经历失真补偿的发射信号的放大器，以便从天线发射信号;以及反馈单元，用于将来自放大器的输出信号输入到失真补偿器中的失真补偿系数更新器作为反馈信号。监测通过天线从空间穿透放大器的不想要的波信号的电平是否大于设定电平。如果不想要的波信号的电平高于设定电平，则暂停用于更新失真补偿系数的处理。如果不想要的波信号的电平低于设定电平，则恢复更新失真补偿系数的处理。

59. 发明申请

US20130084810A1 RECEIVING APPARATUS, BASE STATION APPARATUS AND METHOD FOR REDUCING INTERFERENCE WAVE 审中-公开
标题翻译：接收装置，基站装置和减少干扰波的方法
公开(公告)号：US20130084810A1
公开(公告)日：2013-04-04
申请号：US13561276
申请日：2012-07-30
申请人： Satoshi Matsubara , Hideyuki Kannari , Masanori Hara , Hideharu Shako
发明人： Satoshi Matsubara , Hideyuki Kannari , Masanori Hara , Hideharu Shako
IPC分类号： H04B1/10 , H04W88/08
CPC分类号： H04B1/1036
摘要： A receiving apparatus includes: an interference wave reducer configured to reduce an interference wave included in a received signal; and an automatic gain controller configured to automatically control a gain for the received signal, the automatic gain controller including a convergence time saver to save convergence time of an automatic gain control for the received signal based on an input of an interference wave.
摘要翻译：一种接收装置，包括：干扰波减速器，被配置为减少包含在接收信号中的干扰波; 以及自动增益控制器，其被配置为自动控制所述接收信号的增益，所述自动增益控制器包括收敛时间节省器，以基于干扰波的输入来节省接收信号的自动增益控制的收敛时间。

60. 发明授权

US08270530B2 Apparatus and method of compensating distortion 有权
标题翻译：补偿失真的装置和方法
公开(公告)号：US08270530B2
公开(公告)日：2012-09-18
申请号：US12555314
申请日：2009-09-08
申请人： Hajime Hamada , Hiroyoshi Ishikawa , Yuichi Utsunomiya , Kazuo Nagatani , Nobukazu Fudaba , Hideharu Shako
发明人： Hajime Hamada , Hiroyoshi Ishikawa , Yuichi Utsunomiya , Kazuo Nagatani , Nobukazu Fudaba , Hideharu Shako
IPC分类号： H04L25/03
CPC分类号： H03F1/3241 , H03F1/3258
摘要： A distortion compensating apparatus includes a processing circuit that calculates each of a plurality of series operation coefficient pairs based on a transmission signal and a feedback signal of an output from an amplifying circuit performing power amplification of the transmission signal, executes a series operation process with respect to the transmission signal based on the plurality of the series operation coefficient pairs as a distortion compensation of the transmission signal, and inputs a result of the series operation process to the amplifying circuit performing the power amplification, and a selecting unit that, on the basis of power of the transmission signal, selects the series operation process to be executed corresponding to one of the plurality of series operation coefficient pairs, or selects one of the plurality of series operation coefficient pairs to be used in the series operation process to be executed.
摘要翻译：失真补偿装置包括：处理电路，其基于发送信号和来自执行发送信号的功率放大的放大电路的输出的反馈信号，计算多个串联运算系数对中的每一个，执行相对于基于多个串联运算系数对的发送信号作为发送信号的失真补偿，并将串联运算处理的结果输入到执行功率放大的放大电路，以及选择单元，基于选择与多个串联运算系数对中的一个对应的要执行的串联运算处理，或者选择要在要执行的串联运算处理中使用的多个串联运算系数对之一。

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