专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 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。

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

US08488695B2 Receiving apparatus and method, program, and receiving system 有权
标题翻译：接收装置和方法，程序和接收系统
公开(公告)号：US08488695B2
公开(公告)日：2013-07-16
申请号：US12958912
申请日：2010-12-02
申请人： Takashi Yokokawa , Tadaaki Yuba , Hidetoshi Kawauchi , Hitoshi Sakai , Yuken Goto , Suguru Houchi
发明人： Takashi Yokokawa , Tadaaki Yuba , Hidetoshi Kawauchi , Hitoshi Sakai , Yuken Goto , Suguru Houchi
IPC分类号： H04K1/10
CPC分类号： H04L25/02 , H04L25/0232 , H04L2025/03414
摘要： A receiving apparatus for receiving an orthogonal frequency division multiplexing (OFDM) signal including a frame having one frame length of a plurality of patterns. The apparatus comprises an acquiring section to acquire information regarding a preamble signal from an OFDM signal from a transmitting apparatus; a frame determining section to determine whether the one frame length is short in the frame based on the information regarding the acquired preamble signal; and a time interpolating section to obtain transmission path characteristics by comparing a pilot contained in the preamble signal with a known pilot corresponding to the pilot in a phase of transmission, when the frame determining section determines that the one frame length is short in the frame, and to interpolate a data portion in a time direction based on transmission path characteristics.
摘要翻译：一种用于接收正交频分多路复用（OFDM）信号的接收装置，包括具有多个模式的一帧长度的帧。该装置包括：获取部分，从发送装置获取来自OFDM信号的关于前导码信号的信息; 帧确定部分，用于基于关于所获取的前导信号的信息来确定帧中的一个帧长度是否短; 以及时间内插部分，当帧确定部分确定帧中的一个帧长度短时，通过将包含在前导码信号中的导频与对应于传输的相位中的导频的已知导频进行比较来获得传输路径特性，并且基于传输路径特性在时间方向上内插数据部分。

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。

7. 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。

8. 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。

9. 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。

10. 发明授权

US08537939B2 Reception apparatus, reception method, reception program, and reception system 有权
标题翻译：接收装置，接收方法，接收节目和接收系统
公开(公告)号：US08537939B2
公开(公告)日：2013-09-17
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： H04L27/06
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。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式