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    Digital television transmitting system and receiving system and method of processing broadcast data
    32.
    发明授权
    Digital television transmitting system and receiving system and method of processing broadcast data 有权
    数字电视发射系统和接收系统及处理广播数据的方法

    公开(公告)号：US07903758B2

    公开(公告)日：2011-03-08

    申请号：US12851463

    申请日：2010-08-05

    申请人： In Hwan Choi ,  Kook Yeon Kwak ,  Byoung Gill Kim ,  Jin Woo Kim ,  Hyoung Gon Lee ,  Jong Moon Kim ,  Won Gyu Song

    发明人： In Hwan Choi ,  Kook Yeon Kwak ,  Byoung Gill Kim ,  Jin Woo Kim ,  Hyoung Gon Lee ,  Jong Moon Kim ,  Won Gyu Song

    IPC分类号： H04L25/49

    CPC分类号： H04N21/234327 ,  H04N7/173 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/2662

    摘要： A digital television receiving system includes a first known data detector, a second known data detector, and a selector. The first known data detector detects a location of a first known data sequence in a broadcast signal by calculating a first correlation value between the broadcast signal and a first reference known data sequence. Similarly, the second known data detector detects a location of a second known data sequence in the broadcast signal by calculating a second correlation value between the broadcast signal and a second reference known data sequence. The selector selects the location information detected by one of the first and second known data detectors with a greater correlation value.

    摘要翻译： 数字电视接收系统包括第一已知数据检测器，第二已知数据检测器和选择器。 第一已知数据检测器通过计算广播信号和第一参考已知数据序列之间的第一相关值来检测广播信号中的第一已知数据序列的位置。 类似地，第二已知数据检测器通过计算广播信号和第二参考已知数据序列之间的第二相关值来检测广播信号中的第二已知数据序列的位置。 选择器选择具有较大相关值的第一和第二已知数据检测器之一检测到的位置信息。

    DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA
    33.
    发明申请
    DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA 有权
    数字广播系统和数据处理方法

    公开(公告)号：US20110007223A1

    公开(公告)日：2011-01-13

    申请号：US12887394

    申请日：2010-09-21

    申请人： Byoung Gill Kim ,  In Hwan Choi ,  Jin Woo Kim ,  Jong Moon Kim ,  Won Gyu Song ,  Hyoung Gon Lee ,  Kook Yeon Kwak

    发明人： Byoung Gill Kim ,  In Hwan Choi ,  Jin Woo Kim ,  Jong Moon Kim ,  Won Gyu Song ,  Hyoung Gon Lee ,  Kook Yeon Kwak

    IPC分类号： H04N5/455

    CPC分类号： H04N21/236 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/006 ,  H04L1/0065 ,  H04L1/0071 ,  H04L25/0232 ,  H04L25/03159 ,  H04N21/238 ,  H04N21/2389

    摘要： A digital broadcast system and method of processing data are disclosed. A channel equalizer includes a frequency domain converter receiving a known data sequence, when the known data sequence is periodically inserted and transmitted in general data, and converting the received data to frequency domain data, a CIR estimator using the data being received during a known data section and known data generated by a receiving system, so as to estimate a CIR, a CIR calculator interpolating or extrapolating the CIR estimated by the CIR estimator in accordance with characteristics of the general data being received, a coefficient calculator converting the CIR being outputted from the CIR calculator to a frequency domain CIR and calculating and outputting an equalization coefficient, and a distortion compensator multiplying the equalization coefficient calculated by the coefficient calculator with the data converted to frequency domain data by the frequency domain converter, thereby compensating channel distortion.

    摘要翻译： 公开了数字广播系统和处理数据的方法。 信道均衡器包括接收已知数据序列的频域转换器，当已知数据序列在一般数据中周期性地插入并发送时，并将接收到的数据转换为频域数据，CIR估计器使用在已知数据期间接收的数据 部分和由接收系统生成的已知数据，以便估计CIR，CIR计算器根据正在接收的一般数据的特性内插或外推由CIR估计器估计的CIR，转换从 CIR计算器到频域CIR并计算并输出均衡系数，以及失真补偿器，将由系数计算器计算的均衡系数与由频域转换器转换为频域数据的数据相乘，从而补偿信道失真。