Digital broadcasting transmission and/or reception system to improve receiving performance and signal processing method thereof
    41.
    发明授权
    Digital broadcasting transmission and/or reception system to improve receiving performance and signal processing method thereof 有权
    数字广播传输和/或接收系统,以提高接收性能及其信号处理方法

    公开(公告)号:US08737495B2

    公开(公告)日:2014-05-27

    申请号:US12618132

    申请日:2009-11-13

    Abstract: A digital broadcasting transmission and/or reception system having an improved reception performance and a signal-processing method thereof. A digital broadcasting transmitter comprises a randomizer to input and randomize data streams including a plurality of segments having at least one segment having one or more null packets, a null packet exchanger to create known data having a predetermined pattern and to replace the null packets at positions of the segments having the null packets of the randomized data streams to insert the known ‘data, an encoder to encode the data streams to which the known data is inserted, and a modulation/RF unit to modulate, RF-modulate, and transmit the encoded data streams. A digital broadcasting receiver detects the known data’ from a signal received from the digital broadcasting transmitter and uses the detected known data for synchronization and equalization, so that a digital broadcasting reception performance of the digital broadcasting receiver can be improved at poor multipath channels.

    Abstract translation: 一种具有改善的接收性能的数字广播发射和/或接收系统及其信号处理方法。 数字广播发射机包括随机化器,用于输入和随机化包括具有至少一个具有一个或多个空分组的分段的多个分段的数据流;零分组交换机,用于创建具有预定模式的已知数据,并在位置 具有随机化数据流的空分组的段插入已知的数据,编码器对已知数据插入的数据流进行编码,以及调制/ RF单元来调制,RF调制和发送 编码数据流。 数字广播接收机根据从数字广播发射机接收的信号检测已知数据,并使用检测到的已知数据进行同步和均衡,从而可以在恶劣的多径信道下改善数字广播接收机的数字广播接收性能。

    Digital broadcasting system and method for transmitting and receiving digital broadcast signal
    43.
    发明授权
    Digital broadcasting system and method for transmitting and receiving digital broadcast signal 失效
    用于发送和接收数字广播信号的数字广播系统和方法

    公开(公告)号:US08687552B2

    公开(公告)日:2014-04-01

    申请号:US13016226

    申请日:2011-01-28

    Abstract: The disclosed method of processing a digital broadcast signal comprises generating one RS frame or two RS frames according to the RS frame mode, forming the data group including the mobile service data and signaling data, forming and outputting a plurality of data packets including the mobile service data in the data group, wherein the 118 data packets and K data packets are outputted for the data group, the K being scalable between 0 and 38, interleaving the mobile service data included in the plurality of data packets, wherein the data group includes a scalable data region including data included in the K data packets, wherein the scalable data region carries data included in the first RS frame when the RS frame mode is the single frame mode, or carries data included in the third RS frame when the RS frame mode is the dual frame mode.

    Abstract translation: 所公开的处理数字广播信号的方法包括根据RS帧模式生成一个RS帧或两个RS帧,形成包括移动业务数据和信令数据的数据组,形成并输出包括移动业务的多个数据分组 数据组中的数据,其中为数据组输出118个数据分组和K个数据分组,K在0和38之间是可缩放的,交织包括在多个数据分组中的移动业务数据,其中数据组包括 可扩展数据区域,包括包含在K个数据分组中的数据,其中当RS帧模式是单帧模式时,可伸缩数据区携带包括在第一RS帧中的数据,或者在RS帧模式下携带包括在第三RS帧中的数据 是双帧模式。

    Apparatus and method for coding and modulation
    45.
    发明授权
    Apparatus and method for coding and modulation 有权
    用于编码和调制的装置和方法

    公开(公告)号:US08654832B1

    公开(公告)日:2014-02-18

    申请号:US13610243

    申请日:2012-09-11

    CPC classification number: H04L1/006 H03K7/04 H03M13/256 H04B10/5161 H04B10/524

    Abstract: A communication method includes: receiving input data at a transmitter, the transmitter including at least one convolutional encoder and at least one modulator; applying the input data to a trellis-coded modulation (TCM) scheme to encode the input data and produce one or more TCM symbols representing the encoded data; applying the one or more TCM symbols to a second modulation scheme, the second modulation scheme including a pulse modulation in combination with an additional modulation; and generating one or more modulation symbols representing the encoded data based on the second modulation scheme.

    Abstract translation: 通信方法包括:在发射机处接收输入数据,所述发射机包括至少一个卷积编码器和至少一个调制器; 将输入数据应用到网格编码调制(TCM)方案以对输入数据进行编码并产生表示编码数据的一个或多个TCM符号; 将所述一个或多个TCM符号应用于第二调制方案,所述第二调制方案包括与附加调制相结合的脉冲调制; 以及基于所述第二调制方案生成表示所述编码数据的一个或多个调制符号。

    Digital broadcasting transmission/reception system utilizing SRS and TRS code to improve receiving performance and signal processing method thereof
    49.
    发明授权
    Digital broadcasting transmission/reception system utilizing SRS and TRS code to improve receiving performance and signal processing method thereof 有权
    使用SRS和TRS码的数字广播发射/接收系统来提高接收性能及其信号处理方法

    公开(公告)号:US08634477B2

    公开(公告)日:2014-01-21

    申请号:US11597264

    申请日:2005-06-03

    Abstract: A digital broadcasting transmission and/or reception system having an improved reception performance and a signal-processing method thereof. A digital broadcasting transmitter comprises a TRS encoder for to TRS-encode an MPEG-2 transmission stream having null data for inserting an SRS data and a TRS parity at predetermined positions, randomizer to input and randomize data stream from the TRS encoder, a SRS exchanger to replace the null data for inserting the SRS data to the known data, and an encoder for encoding a data streams to which the Known data is inserted. Accordingly, the present invention detects the known data from a signal received from a reception side and uses the detected known data for synchronization and equalization and further uses the TRS parity for correcting error of the received signal, so that the digital broadcasting reception performance can be improved at poor multipath channels.

    Abstract translation: 一种具有改善的接收性能的数字广播发射和/或接收系统及其信号处理方法。 数字广播发射机包括TRS编码器,用于对具有用于在预定位置插入SRS数据和TRS奇偶校验的空数据的MPEG-2传输流进行TRS编码,随机化器以输入和随机化来自TRS编码器的数据流; SRS交换机 将用于插入SRS数据的空数据替换为已知数据,以及编码器,用于对已知数据插入到其中的数据流进行编码。 因此,本发明从接收侧接收的信号中检测已知数据,并使用检测到的已知数据进行同步和均衡,并且还使用TRS奇偶校验来校正接收信号的误差,使得数字广播接收性能可以 在恶劣的多路径频道方面得到改进。

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