Digital Television Transmitter/Receiver and Method of Processing Data in Digital Television Transmitter/Receiver
    32.
    发明申请
    Digital Television Transmitter/Receiver and Method of Processing Data in Digital Television Transmitter/Receiver 有权
    数字电视发射机/接收机和数字电视发射机/接收机处理数据的方法

    公开(公告)号:US20120076226A1

    公开(公告)日:2012-03-29

    申请号:US13312771

    申请日:2011-12-06

    CPC classification number: H04L27/04 H04L1/006 H04L1/007

    Abstract: A digital television (DTV) transmitter and a method of processing known data in the DTV transmitter are disclosed. The method of processing known data in a digital television (DTV) transmitter includes generating a known data sequence, trellis-encoding the known data sequence, the trellis-encoded known data sequence having upper, middle, and lower bits, wherein at least one of the upper, middle, and lower bits has an m-sequence property, and mapping the trellis-encoded known data sequence into one of 2-level, 4-level, and 8-level data sequences, wherein the mapped data sequence has substantially an m-sequence property, wherein a data sequence has an m-sequence property when a peak value among auto-correlation values of the data sequence having a length of N is 1 and all the off-peak auto-correlation values are −1/N.

    Abstract translation: 公开了一种数字电视(DTV)发射机和处理DTV发射机中的已知数据的方法。 处理数字电视(DTV)发射机中的已知数据的方法包括:生成已知数据序列,对已知数据序列进行网格编码,具有上,中,低位的网格编码的已知数据序列,其中至少一个 上位,中位和低位具有m序列属性,并且将网格编码的已知数据序列映射为2级,4级和8级数据序列之一,其中映射的数据序列具有基本上 m序列特性,其中当长度为N的数据序列的自相关值中的峰值为1并且所有非高峰自相关值为-1 / N时,数据序列具有m序列特性 。

    DTV transmitting system and receiving system and method of processing television signal
    33.
    发明授权
    DTV transmitting system and receiving system and method of processing television signal 有权
    数字电视发射系统及接收系统及处理电视信号的方法

    公开(公告)号:US08145979B2

    公开(公告)日:2012-03-27

    申请号:US13078854

    申请日:2011-04-01

    Abstract: A digital television transmitting system includes a pre-processor, a packet generator, an RS encoder, and a trellis encoder. The pre-processor pre-processes enhanced data by coding the enhanced data for first forward error correction (FEC) and expanding the FEC-coded enhanced data. The packet generator generates first and second enhanced data packets including the pre-processed enhanced data and main data packets and multiplexes the enhanced and main data packets. The first enhanced data packet includes an adaptation field including the pre-processed enhanced data and second enhanced data packet includes a payload region including the pre-processed enhanced data. The RS encoder performs RS encoding on the multiplexed data packets for second forward error correction (FEC), and the trellis encoder performs trellis encoding on the RS-coded data packets.

    Abstract translation: 数字电视发射系统包括预处理器,分组发生器,RS编码器和网格编码器。 预处理器通过对用于第一前向纠错(FEC)的增强数据进行编码并扩展FEC编码的增强数据来预处理增强数据。 分组生成器产生包括预处理的增强数据和主数据分组的第一和第二增强数据分组,并且复用增强和主数据分组。 第一增强数据分组包括包括预处理增强数据的适配字段,第二增强数据分组包括包括预处理增强数据的有效载荷区域。 RS编码器对用于第二前向纠错(FEC)的复用数据分组执行RS编码,网格编码器对RS编码的数据分组执行格状编码。

    DTV receiving system and method of processing DTV signal
    34.
    发明授权
    DTV receiving system and method of processing DTV signal 有权
    DTV接收系统及DTV信号处理方法

    公开(公告)号:US08144258B2

    公开(公告)日:2012-03-27

    申请号:US12950915

    申请日:2010-11-19

    Abstract: A digital television (DTV) receiving system includes a tuner, a demodulator, a known data detector, an equalizer, a transmission detector, and a block decoder. The tuner receives a DTV signal having a data frame in which main and mobile service data are multiplexed. The demodulator demodulates the DTV signal, and the known data detector detects known data included in the mobile service data. The equalizer equalizes the demodulated DTV signal using the detected known data, and the transmission parameter detector detects an error correction mode from the equalized DTV signal. Finally, the block decoder decodes the equalized DTV signal for error correction using the detected error correction mode.

    Abstract translation: 数字电视(DTV)接收系统包括调谐器,解调器,已知数据检测器,均衡器,发送检测器和块解码器。 调谐器接收具有多路复用主服务数据和移动业务数据的数据帧的DTV信号。 解调器解调DTV信号,并且已知的数据检测器检测包括在移动业务数据中的已知数据。 均衡器使用检测到的已知数据来均衡解调的DTV信号,并且传输参数检测器从均衡的DTV信号检测纠错模式。 最后,块解码器使用检测到的纠错模式解码用于纠错的均衡的DTV信号。

    TRANSMITTING/RECEIVING SYSTEM AND BROADCAST SIGNAL PROCESSING METHOD
    35.
    发明申请
    TRANSMITTING/RECEIVING SYSTEM AND BROADCAST SIGNAL PROCESSING METHOD 失效
    发送/接收系统和广播信号处理方法

    公开(公告)号:US20120069892A1

    公开(公告)日:2012-03-22

    申请号:US13264959

    申请日:2010-04-19

    Abstract: A receiving system and a method for receiving and processing a broadcast signal including mobile service data are disclosed. The receiving system includes a tuner, a demodulator, a block decoder and an RS frame decoder. The tuner receives a broadcast signal including first mobile service data and second mobile service data. The demodulator demodulates the broadcast signal. The block decoder performs turbo-decoding on the first and second mobile service data included in the demodulated broadcast signal. The RS frame decoder builds a primary RS frame by collecting the turbo-decoded first mobile service data and performs error correction decoding on the primary RS frame. The RS frame decoder also builds a secondary RS frame by collecting the second mobile service data and performs error correction decoding on the secondary RS frame.

    Abstract translation: 公开了一种用于接收和处理包括移动业务数据的广播信号的接收系统和方法。 接收系统包括调谐器,解调器,块解码器和RS帧解码器。 调谐器接收包括第一移动业务数据和第二移动业务数据的广播信号。 解调器解调广播信号。 块解码器对包括在解调的广播信号中的第一和第二移动业务数据执行turbo解码。 RS帧解码器通过收集turbo解码的第一移动业务数据并在主RS帧上执行纠错解码来构建主RS帧。 RS帧解码器还通过收集第二移动业务数据并在辅助RS帧上执行纠错解码来建立辅助RS帧。

    DTV transmitting system and receiving system and method of processing broadcast data
    38.
    发明授权
    DTV 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:US08103932B2

    公开(公告)日:2012-01-24

    申请号:US13194829

    申请日:2011-07-29

    Abstract: A DTV transmitting system includes a frame encoder, a randomizer, a block processor, a group formatter, a deinterleaver, and a packet formatter. The frame encoder builds an enhanced data frame and encodes the frame two times for first and second error correction, respectively. It further permutes a plurality of encoded data frames. The randomizer randomizes the permuted enhanced data, and the block processor codes the randomized data at a rate of 1/N1. The group formatter forms a group of enhanced data having one or more data regions and inserts the data coded at the rate of 1/N1 into at least one of the data regions. The deinterleaver deinterleaves the group of enhanced data, and the packet formatter formats the deinterleaved data into enhanced data packets.

    Abstract translation: DTV发送系统包括帧编码器,随机发生器,块处理器,组格式器,解交织器和分组格式化器。 帧编码器分别构建增强型数据帧并对帧编码两次,分别用于第一和第二纠错。 它进一步排列多个编码数据帧。 随机化器将置换的增强数据随机化,块处理器以1 / N1的速率对随机数据进行编码。 组格式化器形成一组具有一个或多个数据区域的增强数据,并将以1 / N1的速率编码的数据插入至少一个数据区域。 解交织器对一组增强数据进行解交织,并且数据包格式化器将解交织的数据格式化为增强的数据包。

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