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    Information processor and information processing method, display device, and program
    3.
    发明授权
    Information processor and information processing method, display device, and program 有权
    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。

    INFORMATION PROCESSOR AND INFORMATION PROCESSING METHOD, DISPLAY DEVICE, AND PROGRAM
    4.
    发明申请
    INFORMATION PROCESSOR AND INFORMATION PROCESSING METHOD, DISPLAY DEVICE, AND PROGRAM 有权
    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。

    RECEIVING APPARATUS, RECEIVING METHOD, AND PROGRAM
    9.
    发明申请
    RECEIVING APPARATUS, RECEIVING METHOD, AND PROGRAM 有权
    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。