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1. 发明授权

US08279956B2 Information processing apparatus, information processing method, display apparatus and information processing program 有权
标题翻译：信息处理装置，信息处理方法，显示装置和信息处理程序
公开(公告)号：US08279956B2
公开(公告)日：2012-10-02
申请号：US12568783
申请日：2009-09-29
申请人： Masayuki Hattori , Takashi Yokokawa , Hidetoshi Kawauchi , Hiroyuki Kamata , Ryoji Ikegaya
发明人： Masayuki Hattori , Takashi Yokokawa , Hidetoshi Kawauchi , Hiroyuki Kamata , Ryoji Ikegaya
IPC分类号： H04K1/10
CPC分类号： H04L27/2656 , H04L27/2665
摘要： Disclosed herein is an information processing apparatus including: a demodulation FFT processing section configured to carry out an FFT process on a demodulation-related signal extracted by making use of a demodulation FFT window from every symbol of a received OFDM signal and output the frequency-domain signal; a control FFT processing section configured to carry out a process equivalent to an FFT process on a control-related signal extracted by making use of a control FFT window from every symbol of the received OFDM signal and output the frequency-domain signal; a transmission-line information estimation section; an equalization section; a reception-quality computation/comparison section; and an FFT-window position control section configured to control the demodulation FFT window to be used by the demodulation FFT processing section and the control FFT window to be used by the control FFT processing section on the basis of a comparison result produced by the reception-quality computation/comparison section.
摘要翻译：这里公开了一种信息处理装置，包括：解调FFT处理部，被配置为对通过使用来自接收的OFDM信号的每个符号的解调FFT窗口提取的解调相关信号执行FFT处理，并输出频域信号; 控制FFT处理部，被配置为执行与通过利用来自所接收的OFDM信号的每个符号的控制FFT窗口提取的控制相关信号上的FFT处理相当的处理，并输出频域信号; 传输线信息估计部; 均衡部分接收质量计算/比较部分; FFT窗口位置控制部分，被配置为基于由接收模式产生的比较结果来控制由解调FFT处理部分使用的解调FFT窗口和要由控制FFT处理部件使用的控制FFT窗口，质量计算/比较部分。

2. 发明申请

US20100080316A1 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, DISPLAY APPARATUS AND INFORMATION PROCESSING PROGRAM 有权
标题翻译：信息处理装置，信息处理方法，显示装置和信息处理程序
公开(公告)号：US20100080316A1
公开(公告)日：2010-04-01
申请号：US12568783
申请日：2009-09-29
申请人： Masayuki HATTORI , Takashi Yokokawa , Hidetoshi Kawauchi , Hiroyuki Kamata , Ryoji Ikegaya
发明人： Masayuki HATTORI , Takashi Yokokawa , Hidetoshi Kawauchi , Hiroyuki Kamata , Ryoji Ikegaya
IPC分类号： H04L12/26 , H04B7/02
CPC分类号： H04L27/2656 , H04L27/2665
摘要： Disclosed herein is an information processing apparatus including: a demodulation FFT processing section configured to carry out an FFT process on a demodulation-related signal extracted by making use of a demodulation FFT window from every symbol of a received OFDM signal and output the frequency-domain signal; a control FFT processing section configured to carry out a process equivalent to an FFT process on a control-related signal extracted by making use of a control FFT window from every symbol of the received OFDM signal and output the frequency-domain signal; a transmission-line information estimation section; an equalization section; a reception-quality computation/comparison section; and an FFT-window position control section configured to control the demodulation FFT window to be used by the demodulation FFT processing section and the control FFT window to be used by the control FFT processing section on the basis of a comparison result produced by the reception-quality computation/comparison section.
摘要翻译：这里公开了一种信息处理装置，包括：解调FFT处理部，被配置为对通过使用来自接收的OFDM信号的每个符号的解调FFT窗口提取的解调相关信号执行FFT处理，并输出频域信号; 控制FFT处理部，被配置为执行与通过利用来自所接收的OFDM信号的每个符号的控制FFT窗口提取的控制相关信号上的FFT处理相当的处理，并输出频域信号; 传输线信息估计部; 均衡部分接收质量计算/比较部分; FFT窗口位置控制部分，被配置为基于由接收模式产生的比较结果来控制由解调FFT处理部分使用的解调FFT窗口和要由控制FFT处理部件使用的控制FFT窗口，质量计算/比较部分。

3. 发明授权

US08139664B2 Reception apparatus, reception method and program 有权
标题翻译：接收设备，接收方法和程序
公开(公告)号：US08139664B2
公开(公告)日：2012-03-20
申请号：US12323650
申请日：2008-11-26
申请人： Hidetoshi Kawauchi , Takashi Yokokawa , Takashi Horiguti , Naoki Yoshimochi , Hiroyuki Kamata , Ryoji Ikegaya , Yasuhiro Iida
发明人： Hidetoshi Kawauchi , Takashi Yokokawa , Takashi Horiguti , Naoki Yoshimochi , Hiroyuki Kamata , Ryoji Ikegaya , Yasuhiro Iida
IPC分类号： H04K1/10
CPC分类号： H04L25/0204 , H04L25/022 , H04L25/03019 , H04L27/2607 , H04L2025/03414
摘要： Disclosed herein is a reception apparatus, including, an orthogonal frequency division multiplexing signal reception section, a first filter section, a subtraction section, a second filter section, a coefficient production section, and a Fast Fourier Transformation mathematic operation section.
摘要翻译：这里公开了一种接收装置，包括正交频分复用信号接收部分，第一滤波部分，减法部分，第二滤波部分，系数产生部分和快速傅里叶变换数学运算部分。

4. 发明申请

US20100080329A1 INFORMATION PROCESSOR AND INFORMATION PROCESSING METHOD, DISPLAY DEVICE, AND PROGRAM 有权
标题翻译：信息处理器和信息处理方法，显示设备和程序
公开(公告)号：US20100080329A1
公开(公告)日：2010-04-01
申请号：US12567837
申请日：2009-09-28
申请人： Hidetoshi Kawauchi , Toshiyuki Miyauchi , Takashi Yokokawa , Takuya Okamoto , Hiroyuki Kamata
发明人： Hidetoshi Kawauchi , Toshiyuki Miyauchi , Takashi Yokokawa , Takuya Okamoto , Hiroyuki Kamata
IPC分类号： H04B1/10
CPC分类号： H04L25/0212 , H04L25/022 , H04L25/0232 , H04L27/2647 , H04L27/2665
摘要： Disclosed herein is an information processor, including: a receiving section configured to receive an OFDM signal transmitted in accordance with an OFDM system; a FFT arithmetically operating section configured to carry out FFT for a signal within a predetermined interval of the OFDM signal; a delay profile estimating section configured to estimate delay profiles from the OFDM signal received by the receiving section; an inter-symbol interference amount estimating section configured to estimate inter-symbol interference amounts for a plurality of candidates for the predetermined interval, respectively, by using the delay profiles estimated by the delay profile estimating section; and a searching section configured to search for the candidate having the minimum inter-symbol interference amount estimated by the inter-symbol interference amount estimating section from among the plurality of candidates in the predetermined interval, and supply data on the candidate thus searched for as the predetermined interval to the FFT arithmetically operating section.
摘要翻译：本文公开了一种信息处理器，包括：接收部分，被配置为接收根据OFDM系统传输的OFDM信号; FFT算术运算部，被配置为对所述OFDM信号的预定间隔内的信号进行FFT; 延迟分布估计部，被配置为从所述接收部接收到的OFDM信号估计延迟分布; 符号间干扰量估计部，被配置为通过使用由所述延迟分布估计部估计出的延迟分布，分别估计所述预定间隔的多个候选的符号间干扰量; 以及搜索部，被配置为从所述预定间隔中的所述多个候选中搜索具有由所述符号间干扰量估计部估计的最小符号间干扰量的候选，并且将所搜索的候选者的数据提供为到FFT运算部分的预定间隔。

5. 发明授权

US08451966B2 Information processor and information processing method, display device, and program 有权
标题翻译：信息处理器和信息处理方法，显示设备和程序
公开(公告)号：US08451966B2
公开(公告)日：2013-05-28
申请号：US12567837
申请日：2009-09-28
申请人： Hidetoshi Kawauchi , Toshiyuki Miyauchi , Takashi Yokokawa , Takuya Okamoto , Hiroyuki Kamata
发明人： Hidetoshi Kawauchi , Toshiyuki Miyauchi , Takashi Yokokawa , Takuya Okamoto , Hiroyuki Kamata
IPC分类号： H03D1/06 , H03K5/01 , H03K5/159
CPC分类号： H04L25/0212 , H04L25/022 , H04L25/0232 , H04L27/2647 , H04L27/2665
摘要： Disclosed herein is an information processor, including: a receiving section configured to receive an OFDM signal transmitted in accordance with an OFDM system; a FFT arithmetically operating section configured to carry out FFT for a signal within a predetermined interval of the OFDM signal; a delay profile estimating section configured to estimate delay profiles from the OFDM signal received by the receiving section; an inter-symbol interference amount estimating section configured to estimate inter-symbol interference amounts for a plurality of candidates for the predetermined interval, respectively, by using the delay profiles estimated by the delay profile estimating section; and a searching section configured to search for the candidate having the minimum inter-symbol interference amount estimated by the inter-symbol interference amount estimating section from among the plurality of candidates in the predetermined interval, and supply data on the candidate thus searched for as the predetermined interval to the FFT arithmetically operating section.
摘要翻译：本文公开了一种信息处理器，包括：接收部分，被配置为接收根据OFDM系统传输的OFDM信号; FFT算术运算部，被配置为对所述OFDM信号的预定间隔内的信号进行FFT; 延迟分布估计部，被配置为从所述接收部接收到的OFDM信号估计延迟分布; 符号间干扰量估计部，被配置为通过使用由所述延迟分布估计部估计出的延迟分布，分别估计所述预定间隔的多个候选的符号间干扰量; 以及搜索部，被配置为从所述预定间隔中的所述多个候选中搜索具有由所述符号间干扰量估计部估计的最小符号间干扰量的候选，并且将所搜索的候选者的数据提供为到FFT运算部分的预定间隔。

6. 发明授权

US08437426B2 Receiving apparatus, receiving method, and program 有权
标题翻译：接收装置，接收方法和程序
公开(公告)号：US08437426B2
公开(公告)日：2013-05-07
申请号：US12567856
申请日：2009-09-28
申请人： Hidetoshi Kawauchi , Masayuki Hattori , Toshiyuki Miyauchi , Takashi Yokokawa , Kazuhiro Shimizu , Kazuhisa Funamoto
发明人： Hidetoshi Kawauchi , Masayuki Hattori , Toshiyuki Miyauchi , Takashi Yokokawa , Kazuhiro Shimizu , Kazuhisa Funamoto
IPC分类号： H04B1/38 , H04N7/12 , H04L27/00
CPC分类号： H04L27/2662 , H04L25/0232 , H04L25/03159 , H04L27/2656 , H04L27/2665
摘要： Disclosed herein is a receiving apparatus including: first to third position determination sections configured to determine the start position of an FFT interval which serves as a signal interval targeted for FFT by an FFT section; a selection section configured to select one of those start positions of the FFT interval which are determined by the first through the third position determination section; and the FFT section configured to perform FFT on the OFDM time domain signal by regarding the start position selected by the selection section as the start position of the FFT interval in order to generate the first OFDM frequency domain signal.
摘要翻译：本发明公开了一种接收装置，包括：第一至第三位置确定部分，被配置为确定FFT间隔的起始位置，其作为由FFT部分进行FFT的信号间隔; 选择部，被配置为选择由所述第一至第三位置确定部确定的所述FFT间隔的那些起始位置之一; FFT部，被配置为通过将由选择部选择出的开始位置作为FFT间隔的开始位置，对OFDM时域信号进行FFT，以生成第一OFDM频域信号。

7. 发明授权

US08634486B2 Signal receiving apparatus, signal receiving method and signal receiving program 有权
标题翻译：信号接收装置，信号接收方法和信号接收程序
公开(公告)号：US08634486B2
公开(公告)日：2014-01-21
申请号：US13235917
申请日：2011-09-19
申请人： Ryoji Ikegaya , Hidetoshi Kawauchi , Suguru Houchi , Naoki Yoshimochi
发明人： Ryoji Ikegaya , Hidetoshi Kawauchi , Suguru Houchi , Naoki Yoshimochi
IPC分类号： H04K1/10 , H04L27/28
CPC分类号： H04L25/03159 , H04L27/265
摘要： A signal receiving apparatus includes: a processing unit configured to carry out Fourier transform on Fourier-transform data serving as a Fourier-transform object and carry out Fourier transform on inverse-Fourier-transform data serving as an inverse-Fourier-transform object; and a control unit configured to output pieces of data obtained as a result of the Fourier transform carried out on the Fourier-transform data in an order, in which the pieces of data have been obtained, in a process of outputting the pieces of data and output other pieces of data obtained as a result of the Fourier transform carried out on the inverse-Fourier transform data by rearranging the other pieces of data in a process of outputting the other pieces of data.
摘要翻译：一种信号接收装置，包括：处理单元，被配置为对作为傅里叶变换对象的傅里叶变换数据进行傅里叶变换，对作为傅里叶逆变换对象的逆傅里叶变换数据进行傅里叶变换; 以及控制单元，被配置为在输出所述数据和/或所述数据的处理中，以获得的所述数据数据的顺序，输出在所述傅立叶变换数据上执行的作为傅立叶变换的结果而获得的数据，以及在输出其他数据的过程中，通过重新排列其他数据，输出通过傅立叶变换的结果而获得的其他数据。

8. 发明申请

US20120099677A1 SIGNAL RECEIVING APPARATUS, SIGNAL RECEIVING METHOD AND SIGNAL RECEIVING PROGRAM 有权
标题翻译：信号接收装置，信号接收方法和信号接收方案
公开(公告)号：US20120099677A1
公开(公告)日：2012-04-26
申请号：US13235917
申请日：2011-09-19
申请人： Ryoji IKEGAYA , Hidetoshi Kawauchi , Suguru Houchi , Naoki Yoshimochi
发明人： Ryoji IKEGAYA , Hidetoshi Kawauchi , Suguru Houchi , Naoki Yoshimochi
IPC分类号： H04L27/06
CPC分类号： H04L25/03159 , H04L27/265
摘要： A signal receiving apparatus includes: a processing unit configured to carry out Fourier transform on Fourier-transform data serving as a Fourier-transform object and carry out Fourier transform on inverse-Fourier-transform data serving as an inverse-Fourier-transform object; and a control unit configured to output pieces of data obtained as a result of the Fourier transform carried out on the Fourier-transform data in an order, in which the pieces of data have been obtained, in a process of outputting the pieces of data and output other pieces of data obtained as a result of the Fourier transform carried out on the inverse-Fourier transform data by rearranging the other pieces of data in a process of outputting the other pieces of data.
摘要翻译：一种信号接收装置，包括：处理单元，被配置为对作为傅里叶变换对象的傅里叶变换数据进行傅里叶变换，对作为傅里叶逆变换对象的逆傅里叶变换数据进行傅里叶变换; 以及控制单元，被配置为在输出所述数据和/或所述数据的处理中，以获得的所述数据数据的顺序，输出在所述傅立叶变换数据上执行的作为傅立叶变换的结果而获得的数据，以及在输出其他数据的过程中，通过重新排列其他数据，输出通过傅立叶变换的结果而获得的其他数据。

9. 发明授权

US08107519B2 Equalizer, equalization method, program and receiving device 有权
标题翻译：均衡器，均衡方法，程序和接收装置
公开(公告)号：US08107519B2
公开(公告)日：2012-01-31
申请号：US12562384
申请日：2009-09-18
申请人： Hidetoshi Kawauchi , Naoki Yoshimochi , Ryoji Ikegaya
发明人： Hidetoshi Kawauchi , Naoki Yoshimochi , Ryoji Ikegaya
IPC分类号： H03H7/30 , H04B1/10
CPC分类号： H04L25/03057 , H04L2025/03414 , H04L2025/0349 , H04L2025/03547
摘要： An equalizer includes: a replica generation means for generating a replica of a multipath component by applying an adaptive filter to a received signal; a removal means for generating a multipath-component removed signal from which the multipath component has been removed by subtracting the replica from the received signal; a correlation value calculation means for calculating a correlation value between the received signal and the replica; a power value calculation means for calculating a power value of the replica; a determination means for determining whether the replica is the replica of the multipath component based on the correlation value and the power value; and a selection means for outputting the multipath-component removed signal when it is determined that the replica is the replica of the multipath component, and outputting the received signal when it is determined that the replica is not the replica of the multipath component.
摘要翻译：均衡器包括：复制产生装置，用于通过对接收到的信号应用自适应滤波器来产生多径分量的副本; 去除装置，用于生成多径分量去除信号，通过从接收信号中减去复制品，从该多路径分量去除信号已经去除了多路径分量; 相关值计算装置，用于计算接收信号和副本之间的相关值; 用于计算复制品的功率值的功率值计算装置; 确定装置，用于基于所述相关值和所述功率值来确定所述副本是否是所述多路径分量的副本; 以及选择装置，用于当确定副本是多路径分量的副本时输出多路径分量去除信号，并且当确定副本不是多路径分量的副本时，输出接收的信号。

10. 发明申请

US20110142098A1 RECEPTION APPARATUS, RECEPTION METHOD, RECEPTION PROGRAM, AND RECEPTION SYSTEM 有权
标题翻译：接收装置，接收方法，接收方案和接收系统
公开(公告)号：US20110142098A1
公开(公告)日：2011-06-16
申请号：US12966651
申请日：2010-12-13
申请人： Hidetoshi Kawauchi , Takashi Yokokawa
发明人： Hidetoshi Kawauchi , Takashi Yokokawa
IPC分类号： H04B1/00
CPC分类号： H04L27/2647 , H04L27/2657
摘要： Disclosed herein is a reception apparatus including: a spectrum inversion detection section configured to detect the occurrence or absence of spectrum inversion in a received signal complying with the Digital Video Broadcasting-Terrestrial 2 standard known as DVB-T2, using a P1 signal constituting the received signal; a spectrum inversion section configured to perform a spectrum inversion process on the received signal if the occurrence of the spectrum inversion is detected at least by the spectrum inversion detection section; and a demodulation section configured to demodulate the received signal having undergone the spectrum inversion process if the occurrence of the spectrum inversion is detected by the spectrum inversion detection section, the demodulation section further demodulating the received signal yet to undergo the spectrum inversion process if the absence of the spectrum inversion is detected by the spectrum inversion detection section.
摘要翻译：这里公开了一种接收装置，包括：频谱反转检测部，被配置为使用构成接收到的P1信号来检测符合DVB-T2的数字视频广播地面2标准的接收信号中的频谱反演的发生或不存在信号; 频谱反演部，被配置为：如果至少由所述频谱反转检测部检测到所述频谱反转的发生，则对所述接收信号进行频谱反演处理; 以及解调部，被配置为如果频谱反转检测部检测到频谱反转的发生，则对经过频谱反演处理的接收信号进行解调，如果不存在，解调部分进一步解调接收信号进行频谱反演处理由频谱反转检测部检测出频谱反转。

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