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    • 4. 发明申请
    • RECEIVING APPARATUS AND RECEIVING METHOD
    • 接收装置和接收方法
    • US20110051869A1
    • 2011-03-03
    • US12873734
    • 2010-09-01
    • Hyung Jung KIMJae Hyung KIM
    • Hyung Jung KIMJae Hyung KIM
    • H04B1/10
    • H04B1/0085H04B1/28
    • A receiving apparatus includes: RF filters for selecting and outputting a signal to be down-converted from among a plurality of received signals having different bands; a phase conversion unit for generating a phase difference between output signals of the filters and down-converting the output signals of the filters to output a plurality of sample signals; a quantization unit for converting the plurality of sample signals from discrete signals into digital signals; and a signal separation unit for separating and outputting each of a plurality of output signals corresponding to the plurality of received signals from the output signals of the quantization unit by using a phase shift value caused by the phase difference.
    • 一种接收装置,包括:RF滤波器,用于从具有不同频带的多个接收信号中选择和输出要降频转换的信号; 相位转换单元,用于产生滤波器的输出信号之间的相位差,并对滤波器的输出信号进行下变频,以输出多个采样信号; 用于将来自离散信号的多个采样信号转换为数字信号的量化单元; 以及信号分离单元,用于通过使用由相位差引起的相移值,从量化单元的输出信号中分离并输出与多个接收信号相对应的多个输出信号。
    • 5. 发明申请
    • APPARATUS FOR RECOVERING CARRIER WAVE IN DIGITAL BROADCASTING RECEIVER AND METHOD THEREFOR
    • 用于在数字广播接收机中恢复载波的装置及其方法
    • US20080240295A1
    • 2008-10-02
    • US12058292
    • 2008-03-28
    • Jae Hyung KIM
    • Jae Hyung KIM
    • H03D1/24
    • H04L27/066H04L7/0029H04L7/0335
    • An apparatus for recovering carrier wave in digital broadcasting receiver and a method therefore are disclosed which are capable of easily detecting and correcting frequency offsets of carrier wave without recourse to a pilot signal in a digital broadcasting receiver receiving a broadcasting signal of vestigial sideband (VSB) modulation system, thereby recovering the carrier wave, wherein, to this end, a complex sine wave whose central frequency is 1/n the symbol frequency is multiplied to generate a real component and imaginary Offset Quadrature Amplitude Modulation (OQAM) signals to calculate a phase error value from the real and imaginary component OQAM signals, to generate a complex sine wave compensating the calculated phase error value, to multiply the complex sine wave by the complex signal outputted from the phase splitter and to convert the complex signal to a baseband signal whose frequency offset is corrected.
    • 一种用于在数字广播接收机中恢复载波的装置和一种方法,其可以容易地检测和校正载波的频率偏移,而不需要在接收残留边带(VSB)的广播信号的数字广播接收机中使用导频信号, 调制系统,从而恢复载波,其中为此,将中心频率为符号频率的1 / n的复数正弦波相乘以产生实分量和虚偏移正交幅度调制(OQAM)信号以计算相位 来自实分量和虚分量OQAM信号的误差值,以产生补偿计算出的相位误差值的复正弦波,以将复数正弦波乘以由分相器输出的复信号,并将复信号转换为基带信号, 频偏被校正。
    • 9. 发明申请
    • BPS RECEIVER
    • BPS接收器
    • US20100330949A1
    • 2010-12-30
    • US12793124
    • 2010-06-03
    • Hyung Jung KIMJae Hyung KIM
    • Hyung Jung KIMJae Hyung KIM
    • H04B1/16
    • H04B1/24H04B1/005
    • The present invention receives simultaneously RF signal of different frequency band and processes the RF signal received, at this time a BPS receiver minimizes aliasing generated by RF signal. The present invention comprises a sampling process unit which samples a signal summing a first RF signal and a second RF signal of different frequency bands with time gap, a quantization process unit which generates a first stream signal and a second stream signal, a digital signal down-converted through respective time information in the signal summing the first RF signal and the second RF signal and a signal process unit which performs FIR filtering with reference to phase shift for a respect frequency band of the first stream signal and the second stream signal, separates the first RF signal and the second RF signal based on a result of the performance.
    • 本发明同时接收不同频带的RF信号并处理所接收的RF信号,此时BPS接收机将由RF信号产生的混叠最小化。 本发明包括采样处理单元,其对具有时间间隔的不同频带的第一RF信号和第二RF信号求和的信号进行采样,产生第一流信号和第二流信号的量化处理单元,数字信号向下 通过对第一RF信号和第二RF信号求和的信号中的各个时间信息进行转换,以及参考第一流信号和第二流信号的相关频带的相移执行FIR滤波的信号处理单元, 第一RF信号和第二RF信号基于性能的结果。
    • 10. 发明申请
    • DIGITAL DIRECT CONVERSION RECEIVER BASED ON VARIABLE DELAY AND CONSTANT INTERPOLANT FOR RECEIVING RADIO FREQUENCY SIGNAL AND METHOD THEREOF
    • 基于可变延迟的数字直接转换接收器和用于接收无线电频率信号的恒定插值器及其方法
    • US20100158172A1
    • 2010-06-24
    • US12555225
    • 2009-09-08
    • Hyung Jung KIMJae Hyung KIM
    • Hyung Jung KIMJae Hyung KIM
    • H04B1/10
    • H04B1/0003H04B1/30
    • Disclosed is a digital direct conversion receiver including a clock generation and a distribution unit to generate a clock signal having a time difference that generates a predetermined phase difference, a Track & Holder (T&H) to perform sampling of a radio frequency (RF) signal selected by a tunable RF filter with a selected sampling frequency and down converting of the sampled signal, and to generate the predetermined phase difference between sampled signals by using the clock signal having the time difference during the down-conversion, an analog-digital (AD) converter to generate a sample stream having phase difference information from the down-converted sampled signal, and a complex interpolant to eliminate an image component from the sample stream using a phase difference between a plurality of sample streams.
    • 公开了一种数字直接转换接收机,包括时钟生成和分配单元,用于产生具有产生预定相位差的时差的时钟信号,轨道和持有者(T& H),以对所选择的射频(RF)信号进行采样 通过具有选择的采样频率的可调谐RF滤波器和采样信号的下变频,并且通过使用在下变频期间具有时间差的时钟信号来产生采样信号之间的预定相位差,模数(AD) 转换器以产生具有来自下变频采样信号的相位差信息的样本流,以及使用多个采样流之间的相位差从样本流中消除图像分量的复数内插器。