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1. 发明授权

US07986615B2 Demodulating circuit, demodulating method, program, and receiving device 有权
标题翻译：解调电路，解调方法，程序和接收装置
公开(公告)号：US07986615B2
公开(公告)日：2011-07-26
申请号：US12403436
申请日：2009-03-13
申请人： Hidetoshi Kawauchi , Toshiyuki Miyauchi , Takashi Yokokawa , Takashi Horiguti , Naoki Yoshimochi , Yasuhiro Iida , Satoru Hori
发明人： Hidetoshi Kawauchi , Toshiyuki Miyauchi , Takashi Yokokawa , Takashi Horiguti , Naoki Yoshimochi , Yasuhiro Iida , Satoru Hori
IPC分类号： H04J11/00
CPC分类号： H04L27/2647 , H04L25/0232 , H04L25/03821
摘要： A demodulating circuit including: an FFT processing section; an intercarrier interferential component removing section; an extracting section; a transmission path characteristics estimating section; an interpolating section; a symbol sequence estimating section; and an interference replica generating section.
摘要翻译：一种解调电路，包括：FFT处理部分; 一个载波间干扰部分去除部分; 提取部分; 传输路径特性估计部分; 内插部分一个符号序列估计部分; 和干扰复制产生部分。

2. 发明授权

US08098775B2 Data processing apparatus, data processing method and program 失效
标题翻译：数据处理装置，数据处理方法和程序
公开(公告)号：US08098775B2
公开(公告)日：2012-01-17
申请号：US12403445
申请日：2009-03-13
申请人： Takashi Yokokawa , Naoki Yoshimochi , Toshiyuki Miyauchi , Takashi Horiguti , Satoru Hori
发明人： Takashi Yokokawa , Naoki Yoshimochi , Toshiyuki Miyauchi , Takashi Horiguti , Satoru Hori
IPC分类号： H04L27/06
CPC分类号： H03M13/41
摘要： A data processing apparatus includes: a branch-metric computation section configured to compute a branch metric; a state-metric computation section configured to compute a state metric; a detection section configured to detect a minimum state metric; a storage section configured to store states as surviving states; and a selection section configured to select a candidate.
摘要翻译：数据处理装置包括：分支度量计算部，被配置为计算分支度量; 配置为计算状态度量的状态度量计算部分; 检测部，被配置为检测最小状态度量; 存储部，被配置为将状态存储为存活状态; 以及选择部，被配置为选择候选。

3. 发明申请

US20090235060A1 DATA PROCESSING APPARATUS, DATA PROCESSING METHOD AND PROGRAM 失效
标题翻译：数据处理设备，数据处理方法和程序
公开(公告)号：US20090235060A1
公开(公告)日：2009-09-17
申请号：US12403445
申请日：2009-03-13
申请人： Takashi Yokokawa , Naoki Yoshimochi , Toshiyuki Miyauchi , Takashi Horiguti , Satoru Hori
发明人： Takashi Yokokawa , Naoki Yoshimochi , Toshiyuki Miyauchi , Takashi Horiguti , Satoru Hori
IPC分类号： G06F9/38
CPC分类号： H03M13/41
摘要： A data processing apparatus includes: a branch-metric computation section configured to compute a branch metric; a state-metric computation section configured to compute a state metric; a detection section configured to detect a minimum state metric; a storage section configured to store states as surviving states; and a selection section configured to select a candidate.
摘要翻译：数据处理装置包括：分支度量计算部，被配置为计算分支度量; 配置为计算状态度量的状态度量计算部分; 检测部，被配置为检测最小状态度量; 存储部，被配置为将状态存储为存活状态; 以及选择部，被配置为选择候选。

4. 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。

5. 发明授权

US08045945B2 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：US08045945B2
公开(公告)日：2011-10-25
申请号：US12393093
申请日：2009-02-26
申请人： Hidetoshi Kawauchi , Tadaaki Yuba , Toshiyuki Miyauchi , Takashi Yokokawa , Takuya Okamoto , Tamotsu Ikeda , Koji Naniwada , Kazuhiro Shimizu , Lachlan Bruce Michael
发明人： Hidetoshi Kawauchi , Tadaaki Yuba , Toshiyuki Miyauchi , Takashi Yokokawa , Takuya Okamoto , Tamotsu Ikeda , Koji Naniwada , Kazuhiro Shimizu , Lachlan Bruce Michael
IPC分类号： H04B1/10
CPC分类号： H04B1/1036 , H04L5/0048 , H04L25/0216 , H04L25/0232
摘要： A reception apparatus including an extraction section; a transmission line characteristic estimation section; an interpolation section; a compensation section; a detection section; and a selection section.
摘要翻译：一种接收装置，包括提取部分; 传输线特性估计部; 插值部分; 赔偿部分; 检测部; 和选择部分。

6. 发明申请

US20100080330A1 RECEIVING APPARATUS, RECEIVING 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：US20100080330A1
公开(公告)日：2010-04-01
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： H04B1/10
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

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。

8. 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。

9. 发明申请

US20090221254A1 RECEPTION APPARATUS, RECEPTION 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：US20090221254A1
公开(公告)日：2009-09-03
申请号：US12393093
申请日：2009-02-26
申请人： Hidetoshi Kawauchi , Tadaaki Yuba , Toshiyuki Miyauchi , Takashi Yokokawa , Takuya Okamoto , Tamotsu Ikeda , Koji Naniwada , Kazuhiro Shimizu , Lachlan Bruce Michael
发明人： Hidetoshi Kawauchi , Tadaaki Yuba , Toshiyuki Miyauchi , Takashi Yokokawa , Takuya Okamoto , Tamotsu Ikeda , Koji Naniwada , Kazuhiro Shimizu , Lachlan Bruce Michael
IPC分类号： H04B1/10
CPC分类号： H04B1/1036 , H04L5/0048 , H04L25/0216 , H04L25/0232
摘要： A reception apparatus including an extraction section; a transmission line characteristic estimation section; an interpolation section; a compensation section; a detection section; and a selection section.
摘要翻译：一种接收装置，包括提取部分; 传输线特性估计部; 插值部分; 赔偿部分; 检测部; 和选择部分。

10. 发明申请

US20090190695A1 DECODING DEVICE AND METHOD, RECEIVING DEVICE AND METHOD, AND PROGRAM 有权
标题翻译：解码设备和方法，接收设备和方法以及程序
公开(公告)号：US20090190695A1
公开(公告)日：2009-07-30
申请号：US12361199
申请日：2009-01-28
申请人： Takashi Yokokawa , Yasuhiro Iida , Toshiyuki Miyauchi , Takashi Hagiwara , Takanori Minamino , Naoya Haneda
发明人： Takashi Yokokawa , Yasuhiro Iida , Toshiyuki Miyauchi , Takashi Hagiwara , Takanori Minamino , Naoya Haneda
IPC分类号： H03D3/00
CPC分类号： H04L27/3827 , H04L1/0054 , H04L1/208 , H04L7/042
摘要： Disclosed herein is a decoding device that decodes demodulated data obtained by demodulating a quadrature modulated signal arising from digital modulation of a carrier and detects synchronization, the decoding device including, a decoder configured to decode first demodulated data that is the demodulated data obtained by demodulating the quadrature modulated signal and is composed of in-phase axis data and quadrature axis data, and decode second demodulated data obtained by interchanging the in-phase axis data and the quadrature axis data of the first demodulated data, and a synchronization detector configured to detect a boundary between predetermined information symbol sequences from first decoded data obtained by decoding the first demodulated data and detect the boundary from second decoded data obtained by decoding the second demodulated data, the synchronization detector selecting and outputting one of the first decoded data and the second decoded data based on a result of the detection of the boundary.
摘要翻译：本文公开了一种解码装置，其对通过解调由载波的数字调制产生的正交调制信号而获得的解调数据进行解码，并检测同步，该解码装置包括：解码器，被配置为对作为解调数据的第一解调数据进行解码，正交调制信号，并且由同相轴数据和正交轴数据组成，并且对通过交换同相轴数据和第一解调数据的正交轴数据而获得的第二解调数据进行解码，以及同步检测器，从通过对第一解调数据进行解码而获得的第一解码数据的预定信息符号序列之间的边界，并通过对第二解调数据进行解码获得的第二解码数据检测边界，同步检测器选择并输出第一解码数据和第二解码数据之一基于de的结果切割边界。

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