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    • 1. 发明申请
    • RECEIVING DEVICE, RECEIVING METHOD, PROGRAM, AND RECEIVING SYSTEM
    • 接收设备,接收方法,程序和接收系统
    • US20140010332A1
    • 2014-01-09
    • US14006871
    • 2012-03-23
    • Takuya OkamotoHiroo TakahashiYuken Goto
    • Takuya OkamotoHiroo TakahashiYuken Goto
    • H04L27/26
    • H04L27/2666H03J7/02H04B1/28H04H20/77H04H40/27H04N5/4401H04N5/455
    • 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.
    • 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。
    • 2. 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。
    • 4. 发明授权
    • Reception device, reception method, program, and reception system
    • 接收设备,接收方式,程序和接收系统
    • US09094635B2
    • 2015-07-28
    • US14005596
    • 2012-04-11
    • Yuken Goto
    • Yuken Goto
    • H03K9/00H04N5/44H04L27/26H04H60/41H04L5/00
    • H04N5/4401H04H60/41H04L5/0048H04L27/2659H04L27/2675
    • The present technology relates to a reception device, a reception method, a program, and a reception system that make it possible for the location of a frequency band that is used for the transmission of a signal of a predetermined standard to be promptly detected. A reception device according to one aspect of the present technology is including: a reception unit that receives an OFDM signal of a predetermined frequency band; a calculation unit that obtains correlation values between signals transmitted using carriers used for the transmission of a known signal, from within the predetermined frequency band; and a detection unit that, on the basis of the correlation values, detects a frequency band used for the transmission of a signal of a predetermined standard and in which transmission of the known signal is continuously carried out in the same carrier.
    • 本技术涉及使得能够迅速检测用于传输预定标准的信号的频带的位置的接收装置,接收方法,程序和接收系统。 根据本技术的一个方面的接收装置包括:接收单元,接收预定频带的OFDM信号; 计算单元,其从所述预定频带内获得使用用于发送已知信号的载波发送的信号之间的相关值; 以及检测单元,其基于相关值,检测用于传输预定标准的信号的频带,并且在同一载波中连续执行已知信号的传输。
    • 6. 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 。