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    Information processor and information processing method, display device, and program
    4.
    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
    5.
    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 DEVICE, RECEIVING METHOD, PROGRAM, AND RECEIVING SYSTEM
    7.
    发明申请
    RECEIVING DEVICE, RECEIVING METHOD, PROGRAM, AND RECEIVING SYSTEM 有权
    接收设备，接收方法，程序和接收系统

    公开(公告)号：US20140010332A1

    公开(公告)日：2014-01-09

    申请号：US14006871

    申请日：2012-03-23

    申请人： Takuya Okamoto ,  Hiroo Takahashi ,  Yuken Goto

    发明人： Takuya Okamoto ,  Hiroo Takahashi ,  Yuken Goto

    IPC分类号： H04L27/26

    CPC分类号： H04L27/2666 ,  H03J7/02 ,  H04B1/28 ,  H04H20/77 ,  H04H40/27 ,  H04N5/4401 ,  H04N5/455

    摘要： The present technology relates to a receiving device, a receiving method, a program, and a receiving system which may improve reception performance in the case of receiving a signal with a variable frequency band. A receiving device according to an embodiment of the present technology includes a demodulation unit configured to convert a received signal to a baseband signal in the case where a first frequency differs from a second frequency, wherein the first frequency is a center frequency in a band of the received signal, the second frequency is a center frequency in a band of a desired signal included in a part of the band of the received signal, and a DC component of the baseband signal is to be a frequency in the vicinity of the second frequency. The present technology may be applied to a receiver which receives an OFDM signal of DVB-C2.

    摘要翻译： 本技术涉及在接收具有可变频带的信号的情况下可以提高接收性能的接收装置，接收方法，程序和接收系统。 根据本技术的实施例的接收装置包括解调单元，被配置为在第一频率与第二频率不同的情况下将接收信号转换为基带信号，其中第一频率是频带中的中心频率 接收信号，第二频率是包括在接收信号的频带的一部分中的期望信号的频带中的中心频率，并且基带信号的直流分量将成为第二频率附近的频率 。 本技术可以应用于接收DVB-C2的OFDM信号的接收机。

    RECEIVING APPARATUS, RECEIVING METHOD, AND PROGRAM
    8.
    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：US20130336433A1

    公开(公告)日：2013-12-19

    申请号：US14003664

    申请日：2012-03-29

    申请人： Hiroo Takahashi ,  Yuken Goto ,  Takuya Okamoto

    发明人： Hiroo Takahashi ,  Yuken Goto ,  Takuya Okamoto

    IPC分类号： H04B1/10

    CPC分类号： H04B1/1036 ,  H04H20/76 ,  H04H20/93 ,  H04L1/20 ,  H04L27/2655 ,  H04L27/2666 ,  H04L27/2685 ,  H04N5/4401 ,  H04N5/50 ,  H04N21/42607 ,  H04N21/6118

    摘要： Disclosed are a receiving apparatus, a receiving method, and a program capable of reliably obtaining predetermined information. In a case where a broadband signal where the same control information is arranged in different frequency bands is received and processed, a frequency where the control information is stably received is detected, and the control information is obtained again using the detected frequency. This frequency detection is performed by detecting a frequency capable of avoiding a no-signal band in a signal array of the broadband signal determined based on the obtained control information and the like. This technology can be applied to a receiving apparatus that receives a signal conforming to a DVB-C2 standard.

    摘要翻译： 公开了能够可靠地获得预定信息的接收装置，接收方法和程序。 接收并处理在不同频带中布置相同控制信息的宽带信号的情况下，检测到稳定地接收控制信息的频率，并且使用检测到的频率再次获得控制信息。 通过检测能够避免基于所获得的控制信息等所确定的宽带信号的信号阵列中的无信号频带的频率来执行该频率检测。 该技术可以应用于接收符合DVB-C2标准的信号的接收装置。

    SIGNAL RECEIVING APPARATUS, METHOD, PROGRAM AND SYSTEM
    9.
    发明申请
    SIGNAL RECEIVING APPARATUS, METHOD, PROGRAM AND SYSTEM 有权
    信号接收装置，方法，程序和系统

    公开(公告)号：US20100310013A1

    公开(公告)日：2010-12-09

    申请号：US12788398

    申请日：2010-05-27

    申请人： Suguru HOUCHI ,  Naoki Yoshimochi ,  Takuya Okamoto ,  Yuken Goto ,  Takashi Yokokawa

    发明人： Suguru HOUCHI ,  Naoki Yoshimochi ,  Takuya Okamoto ,  Yuken Goto ,  Takashi Yokokawa

    IPC分类号： H04L27/00

    CPC分类号： H04L27/2662 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0226 ,  H04L25/0232 ,  H04L25/03159 ,  H04L27/2649 ,  H04L27/2675 ,  H04L2025/03414 ,  H04L2025/03426

    摘要： A signal receiving apparatus includes: an acquisition section configured to acquire an Orthogonal Frequency Division Multiplexing signal resulting from combination of a plurality of signals transmitted by a plurality of signal transmitting apparatus by adoption of an Orthogonal Frequency Division Multiplexing method; and a demodulation section configured to carry out partial processing of processing to demodulate the Orthogonal Frequency Division Multiplexing signal acquired by the acquisition section by making use of either first pilot signals or second pilot signals where the first pilot signals are pilot signals extracted from the Orthogonal Frequency Division Multiplexing signal acquired by the acquisition section as signals having the same phase for all the signal transmitting apparatus, and the second pilot signals are pilot signals extracted from the Orthogonal Frequency Division Multiplexing signal acquired by the acquisition section as signals having different phases depending on the signal transmitting apparatus.

    摘要翻译： 信号接收装置包括：获取部，被配置为通过采用正交频分复用方法获取由多个信号发送装置发送的多个信号的组合而得到的正交频分复用信号; 以及解调部，被配置为执行处理的部分处理，以通过利用第一导频信号或第二导频信号来解调由获取部获取的正交频分复用信号，其中第一导频信号是从正交频率提取的导频信号 由采集部分获取的分复用信号作为对于所有信号发送装置具有相同相位的信号，并且第二导频信号是从由采集部分获取的正交频分复用信号中提取的导频信号，作为具有不同相位的信号，取决于 信号发送装置。

    Receiving device, receiving method, program, and receiving system
    10.
    发明授权
    Receiving device, receiving method, program, and receiving system 有权
    接收设备，接收方式，程序和接收系统

    公开(公告)号：US09203678B2

    公开(公告)日：2015-12-01

    申请号：US14006871

    申请日：2012-03-23

    申请人： Takuya Okamoto ,  Hiroo Takahashi ,  Yuken Goto

    发明人： Takuya Okamoto ,  Hiroo Takahashi ,  Yuken Goto

    IPC分类号： H04L27/26 ,  H04B1/28 ,  H03J7/02 ,  H04N5/44 ,  H04N5/455

    CPC分类号： H04L27/2666 ,  H03J7/02 ,  H04B1/28 ,  H04H20/77 ,  H04H40/27 ,  H04N5/4401 ,  H04N5/455

    摘要： The present technology relates to a receiving device, a receiving method, a program, and a receiving system which may improve reception performance in the case of receiving a signal with a variable frequency band. A receiving device according to an embodiment of the present technology includes a demodulation unit configured to convert a received signal to a baseband signal in the case where a first frequency differs from a second frequency, wherein the first frequency is a center frequency in a band of the received signal, the second frequency is a center frequency in a band of a desired signal included in a part of the band of the received signal, and a DC component of the baseband signal is to be a frequency in the vicinity of the second frequency. The present technology may be applied to a receiver which receives an OFDM signal of DVB-C2.

    摘要翻译： 本技术涉及在接收具有可变频带的信号的情况下可以提高接收性能的接收装置，接收方法，程序和接收系统。 根据本技术的实施例的接收装置包括解调单元，被配置为在第一频率与第二频率不同的情况下将接收信号转换为基带信号，其中第一频率是频带中的中心频率 接收信号，第二频率是包括在接收信号的频带的一部分中的期望信号的频带中的中心频率，并且基带信号的直流分量将成为第二频率附近的频率 。 本技术可以应用于接收DVB-C2的OFDM信号的接收机。