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    • 1. 发明授权
    • Reception apparatus, reception method, program, and reception system
    • 接收装置,接收方法,程序和接收系统
    • US08509328B2
    • 2013-08-13
    • US12836710
    • 2010-07-15
    • Lachlan Bruce MichaelYuken GotoKenichi Kobayashi
    • Lachlan Bruce MichaelYuken GotoKenichi Kobayashi
    • H04K1/10
    • H04L27/2657H04L27/2662H04L27/2675H04L2027/0059H04L2027/0067
    • Disclosed herein is a reception apparatus including: an acquisition section configured to acquire an orthogonal frequency division multiplexing signal composed resultingly of signals transmitted by the orthogonal frequency division multiplexing method from a plurality of transmission apparatuses; a correction value calculation block configured to calculate a correction value for correcting a drift amount of the orthogonal frequency division multiplexing signal using the phase of either a first pilot signal or a second pilot signal extracted from the acquired orthogonal frequency division multiplexing signal, the first pilot signal being obtained from pilot signals which are in phase with one another coming from the plurality of transmission apparatuses, the second pilot signal being acquired from pilot signals which are out of phase with one another coming from the plurality of transmission apparatuses; and a correction block configured to correct the drift amount of the orthogonal frequency division multiplexing signal in accordance with the calculated correction value.
    • 这里公开了一种接收装置,包括:获取部,被配置为从多个发送装置获取由正交频分复用方式发送的信号的正交频分复用信号; 校正值计算块,被配置为使用从所获取的正交频分复用信号中提取的第一导频信号或第二导频信号的相位来计算校正正交频分复用信号的漂移量的校正值,第一导频 从多个发送装置相互相位的导频信号获得信号,从与多个发送装置相互不同的导频信号取得第二导频信号; 以及校正块,被配置为根据所计算的校正值来校正正交频分复用信号的漂移量。
    • 7. 发明申请
    • RECEIVING DEVICE, RECEIVING METHOD, AND PROGRAM
    • 接收设备,接收方法和程序
    • US20130329775A1
    • 2013-12-12
    • US14001749
    • 2012-03-07
    • Takashi YokokawaYuken GotoKenichi Kobayashi
    • Takashi YokokawaYuken GotoKenichi Kobayashi
    • H04L27/26
    • H04L27/2662H04L5/0023H04L5/0048H04L25/0232H04L25/03159H04L27/2605H04L27/2656H04L27/2657H04L27/2666H04L27/2675
    • The present technique relates to a receiving device, a receiving method, and a program for realizing a prompt start of data demodulation. A receiving device of one aspect of the present technique includes: a detecting unit that detects a first preamble signal from a frame signal having a frame structure that contains the first preamble signal indicating a frame partition, a second preamble signal containing control information to be used in processing a data signal, and the data signal, the second preamble signal being transmitted after the first preamble signal; an accumulating unit that accumulates the second preamble signal when the first preamble signal is detected; and a processing unit that processes the data signal based on the control information contained in the second preamble signal accumulated in the accumulating unit, the data signal being contained in the same frame as the second preamble signal accumulated in the accumulating unit. The present technique can be applied to a receiving device that receives data transmitted by an OFDM method such as DVB-T2.
    • 本技术涉及一种用于实现数据解调的迅速启动的接收装置,接收方法和程序。 本技术的一个方面的接收装置包括:检测单元,其从具有包含指示帧分区的第一前导信号的帧结构的帧信号检测第一前导信号,包含要使用的控制信息的第二前同步码信号 在处理数据信号和所述数据信号时,所述第二前置信号在所述第一前置信号之后发送; 当检测到第一前置信号时,累加单元累积第二前导码信号; 以及处理单元,其基于累积在所述累积单元中的所述第二前同步码信号中包含的控制信息来处理所述数据信号,所述数据信号包含在与所述累积单元中累积的所述第二前同步码信号相同的帧中。 本技术可以应用于接收由诸如DVB-T2之类的OFDM方法发送的数据的接收装置。
    • 8. 发明授权
    • Receiving apparatus and method and program
    • 接收装置及方法及程序
    • US08509327B2
    • 2013-08-13
    • US12836667
    • 2010-07-15
    • Yuken GotoKenichi KobayashiSuguru Houchi
    • Yuken GotoKenichi KobayashiSuguru Houchi
    • H04K1/00
    • H04L27/2659H04L27/266H04L27/2666H04L27/2675H04L27/2685H04L2025/03414H04L2027/0053H04L2027/0071H04L2027/0095
    • Disclosed herein is a receiving apparatus including a preamble analyzer configured to receive a frame of DVB-T2 made up of an OFDM signal and analyze a preamble contained in the received frame; an offset detector configured to detect a fine offset and a coarse offset on the basis of the analyzed preamble; a carrier frequency corrector configured to execute carrier frequency correction on an OFDM time domain signal obtained by quadrature demodulation on the basis of the detected fine offset and the detected coarse offset; a determiner configured to determine whether the detection of the coarse offset has been completed; and a control signal outputter configured, if the detection of the coarse offset is determined to be completed, to output a control signal for feeding back the fine offset detected on the basis of an OFDM frequency domain signal obtained by FFT computation to the carrier frequency corrector.
    • 本文公开了一种接收装置,包括:前置码分析器,被配置为接收由OFDM信号构成的DVB-T2帧,并分析接收帧中包含的前同步码; 偏移检测器,被配置为基于所分析的前导码来检测精细偏移和粗略偏移; 载波频率校正器,被配置为基于所检测到的精细偏移和检测到的粗略偏移,对通过正交解调获得的OFDM时域信号执行载波频率校正; 确定器,被配置为确定所述粗略偏移的检测是否已经完成; 以及控制信号输出器,被配置为如果粗略偏移的检测被确定为完成,则输出用于将基于通过FFT计算获得的OFDM频域信号检测到的精细偏移反馈到载波频率校正器的控制信号 。
    • 9. 发明授权
    • Signal processing apparatus, signal processing method, and reception system
    • 信号处理装置,信号处理方法和接收系统
    • US08358722B2
    • 2013-01-22
    • US12833409
    • 2010-07-09
    • Tadaaki YubaTakuya OkamotoYuken GotoKenichi Kobayashi
    • Tadaaki YubaTakuya OkamotoYuken GotoKenichi Kobayashi
    • H04L27/06
    • H04L27/2675H04L27/2613H04L27/2659H04L27/2666H04L27/2672H04L27/2682H04L27/2685
    • Disclosed herein is a signal processing apparatus including a processing block configured to perform a carrier shift amount detection process for detecting a carrier shift amount constituting a carrier error used for demodulating an orthogonal frequency division multiplexing signal known as the OFDM signal; and a correction block configured to correct the OFDM signal in accordance with the carrier shift amount. The OFDM signal includes a first preamble signal including subcarriers, and a second preamble signal including subcarriers of which the spacing is narrower than the spacing of the subcarriers included in the first preamble signal. The second preamble signal includes pilot signals which are known signals located at intervals of a predetermined number of subcarriers. The processing block detects the carrier shift amount using a correlation of the subcarriers included in one such second preamble signal.
    • 这里公开了一种信号处理装置,包括:处理块,被配置为执行用于检测构成用于解调称为OFDM信号的正交频分复用信号的载波误差的载波移位量的载波移位量检测处理; 以及校正块,被配置为根据载波移位量校正OFDM信号。 OFDM信号包括包括子载波的第一前导码信号和包括间隔窄于包括在第一前导信号中的子载波的间隔的子载波的第二前导码信号。 第二前导信号包括作为以预定数量的副载波间隔设置的已知信号的导频信号。 处理块使用包括在一个这样的第二前导信号中的子载波的相关性来检测载波移位量。
    • 10. 发明授权
    • Receiving device, receiving method, and program
    • 接收设备,接收方法和程序
    • US09325554B2
    • 2016-04-26
    • US14001749
    • 2012-03-07
    • Takashi YokokawaYuken GotoKenichi Kobayashi
    • Takashi YokokawaYuken GotoKenichi Kobayashi
    • H03D1/00H04L27/06H04L27/26H04L25/02H04L25/03H04L5/00
    • H04L27/2662H04L5/0023H04L5/0048H04L25/0232H04L25/03159H04L27/2605H04L27/2656H04L27/2657H04L27/2666H04L27/2675
    • The present technique relates to a receiving device, a receiving method, and a program for realizing a prompt start of data demodulation. A receiving device of one aspect of the present technique includes: a detecting unit that detects a first preamble signal from a frame signal having a frame structure that contains the first preamble signal indicating a frame partition, a second preamble signal containing control information to be used in processing a data signal, and the data signal, the second preamble signal being transmitted after the first preamble signal; an accumulating unit that accumulates the second preamble signal when the first preamble signal is detected; and a processing unit that processes the data signal based on the control information contained in the second preamble signal accumulated in the accumulating unit, the data signal being contained in the same frame as the second preamble signal accumulated in the accumulating unit. The present technique can be applied to a receiving device that receives data transmitted by an OFDM method such as DVB-T2.
    • 本技术涉及一种用于实现数据解调的迅速启动的接收装置,接收方法和程序。 本技术的一个方面的接收装置包括:检测单元,其从具有包含指示帧分区的第一前导信号的帧结构的帧信号检测第一前导信号,包含要使用的控制信息的第二前同步信号 在处理数据信号和所述数据信号时,所述第二前置信号在所述第一前置信号之后发送; 当检测到第一前置信号时,累加单元累积第二前导码信号; 以及处理单元,其基于累积在所述累积单元中的所述第二前同步码信号中包含的控制信息来处理所述数据信号,所述数据信号包含在与所述累积单元中累积的所述第二前同步码信号相同的帧中。 本技术可以应用于接收由诸如DVB-T2之类的OFDM方法发送的数据的接收装置。