DIGITAL BROADCASTING TRANSMISSION AND RECEPTION DEVICES AND METHODS THEREOF
    31.
    发明申请
    DIGITAL BROADCASTING TRANSMISSION AND RECEPTION DEVICES AND METHODS THEREOF 有权
    数字广播传输和接收设备及其方法

    公开(公告)号:US20090052549A1

    公开(公告)日:2009-02-26

    申请号:US12262060

    申请日:2008-10-30

    Abstract: Digital broadcasting transmission and reception devices and methods thereof are provided. The digital broadcasting transmission device includes a randomizer which randomizes a dual transport stream including a normal stream and a robust stream, a supplementary reference signal inserter which inserts a certain supplementary reference signal into a stuffing region included in the randomized dual transport stream, a Reed-Solomon (RS) encoder which adds a parity into a parity region included in the dual transport stream, a robust processor which configures a new dual transport stream by convolution-encoding the robust stream among the dual transport stream, an interleaver which interleaves the configured dual transport stream, a trellis encoder which trellis-encode the interleaved dual transport stream, and a modulator which transmits the trellis-encoded dual transport stream. Accordingly, a sub-channel can be provided in which the robust data and the supplementary reference signal will be transmitted.

    Abstract translation: 提供了数字广播发送和接收设备及其方法。 数字广播发送装置包括随机化随机化的包括正常流和鲁棒流的双传输流,附加参考信号插入器,其将特定补充参考信号插入到包括在随机双重传输流中的填充区域中,Reed- Solomon(RS)编码器,其将奇偶校验添加到包括在双传输流中的奇偶校验区域;鲁棒处理器,其通过对双传输流中的鲁棒流进行卷积编码来配置新的双传输流;交织器, 传输流,对编码交织双传输流进行网格编码的网格编码器,以及传输网格编码双传输流的调制器。 因此,可以提供其中将发送鲁棒数据和辅助参考信号的子信道。

    Robust error correction encoding/decoding apparatus and method of digital dual-stream broadcast reception/transmission system
    32.
    发明授权
    Robust error correction encoding/decoding apparatus and method of digital dual-stream broadcast reception/transmission system 有权
    数字双流广播接收/传输系统的鲁棒纠错编码/解码装置及方法

    公开(公告)号:US07480851B2

    公开(公告)日:2009-01-20

    申请号:US10965722

    申请日:2004-10-18

    CPC classification number: H04N19/89

    Abstract: An error correction encoding and/or decoding apparatus and method of a digital dual-stream broadcast transmission and/or reception system. An error correction encoding apparatus includes a TRS encoding part to apply the transversal encoding to normal data packets and robust data packets and to append parity packets to the normal data packet and robust data packet, a randomization unit to randomize the data packets and the parity packets according to a predetermined pattern, an RS encoding unit to append parities to the randomized data packets and parity packets, a packet format unit to split the data packets and the parity packets into normal data and robust data and to process the normal and robust data, and a system control unit to control the packet format unit. Accordingly, a robust error correction encoding apparatus can be provided for the digital dual-stream broadcast transmission system to which Transversal Reed-Solomon (TRS) encoding is applied.

    Abstract translation: 数字双流广播发送和/或接收系统的纠错编码和/或解码装置和方法。 纠错编码装置包括TRS编码部分,用于将横向编码应用于正常数据分组和鲁棒数据分组,并将奇偶校验分组附加到正常数据分组和鲁棒数据分组,随机化单元使数据分组和奇偶分组随机化 根据预定模式,RS编码单元将随机数据分组和奇偶校验分组附加奇偶校验,将数据分组和奇偶分组分解为正常数据和鲁棒数据的分组格式单元,并处理正常和鲁棒的数据, 以及控制分组格式单元的系统控制单元。 因此,可以为应用横向里德 - 所罗门(TRS)编码的数字双流广播传输系统提供鲁棒的纠错编码装置。

    DIGITAL BROADCASTING TRANSMISSION AND/OR RECEPTION SYSTEM TO IMPROVE RECEIVING PERFORMANCE AND SIGNAL PROCESSING METHOD THEREOF
    33.
    发明申请
    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,以提高接收性能和信号处理方法

    公开(公告)号:US20080273121A1

    公开(公告)日:2008-11-06

    申请号:US12175884

    申请日:2008-07-18

    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 Transmission/Reception Devices Capable Of Improving A Receiving Performance And Signal Processing Method Thereof
    34.
    发明申请
    Digital Broadcasting Transmission/Reception Devices Capable Of Improving A Receiving Performance And Signal Processing Method Thereof 有权
    能够提高接收性能的数字广播发射/接收设备及其信号处理方法

    公开(公告)号:US20080267307A1

    公开(公告)日:2008-10-30

    申请号:US11587925

    申请日:2005-05-19

    CPC classification number: H03M13/29 H03M13/27 H04H60/07

    Abstract: Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and a signal-processing method thereof. A digital broadcasting transmitter comprises a randomizer for inputting dual TS stream consists of robust and normal packets having stuff bytes inserted in predetermined positions and randomizing the dual TS stream; a stuff byte exchanger for replacing the stuff byte of a randomized data stream from the randomizer to a predetermined 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, so that the digital broadcasting reception performance can be improved at poor multipath channels.

    Abstract translation: 公开了具有改进的接收性能的数字广播发送/接收系统及其信号处理方法。 数字广播发射机包括用于输入双TS流的随机化器,其由具有插入预定位置的填充字节和随机化双TS流的鲁棒和正常分组组成; 用于将随机化数据流的填充字节从随机化器替换为预定的已知数据的填充字节交换器; 以及用于对已知数据插入到其中的数据流进行编码的编码器。 因此,本发明根据从接收侧接收到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提高数字广播接收性能。

    Digital Broadcasting Transission/Reception System Capable of Improving Receiving and Equalizing Performance and Signal Processing Method Thereof
    35.
    发明申请
    Digital Broadcasting Transission/Reception System Capable of Improving Receiving and Equalizing Performance and Signal Processing Method Thereof 有权
    能够改善接收和均衡性能的数字广播转发/接收系统及其信号处理方法

    公开(公告)号:US20070253502A1

    公开(公告)日:2007-11-01

    申请号:US10578094

    申请日:2005-06-23

    Abstract: A digital broadcast transmitting and receiving system and a signal processing method thereof that improves the receiving performance of the system. A digital broadcast transmitter includes a randomizer to receive and randomize a data stream into a specified position of which stuff bytes are inserted, a replacement sequence generator to generate known data including a predefined sequence, a stuff-byte exchange unit to insert the known data into the specified position of the data stream into which stuff bytes are inserted, an encoder to encode the data stream output from the stuff-byte exchange unit for an error correction, and a transmission unit to modulate the encoded data stream, RF-convert the modulated data stream and transmit the RF-converted data. The digital broadcast receiving performance is improved even in an inferior multi-path channel by detecting the known data from the received transmission and using the known data for synchronization and equalization in a digital broadcast receiver.

    Abstract translation: 一种提高系统的接收性能的数字广播发送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,用于接收并随机化数据流到插入字节的指定位置;替换序列生成器,用于生成包括预定义序列的已知数据;填充字节交换单元,用于将已知数据插入到 插入填充字节的数据流的指定位置,用于编码从填充字节交换单元输出的用于纠错的数据流的编码器,以及用于调制编码数据流的发送单元,RF调制 数据流并传送RF转换的数据。 通过从接收到的传输中检测已知数据并且使用数字广播接收机中的用于同步和均衡的已知数据,即使在较差的多路径信道中,数字广播接收性能也得到改善。

    Channel equalizer of single carrier receiver and equalizing method thereof
    37.
    发明授权
    Channel equalizer of single carrier receiver and equalizing method thereof 有权
    单载波接收机的信道均衡器及其均衡方法

    公开(公告)号:US07218673B2

    公开(公告)日:2007-05-15

    申请号:US10625614

    申请日:2003-07-24

    Abstract: A channel equalizer of a single carrier receiver of improved equalization efficiency includes a feed-forward filter that removes a pre-ghost from respective symbols of a broadcasting signal, a feedback filter that removes a post-ghost from the respective symbols of the broadcasting signal, an adder that adds the pre-ghost removed symbols with the post-ghost removed symbols, a level decision unit that determines a level of the symbols added at the adder with reference to predetermined level data and then feeds back the determined level to the feedback filter, a trellis decoder that performs trellis decoding with respect to the symbols added at the adder and has a whole decoding depth as N (N=natural number), and a whole length of a trace back delay as N×K (K=natural number), an error calculator that calculates an error value between the symbols added at the adder and the level determined at the level decision unit, and a trellis control unit that controls the trellis decoder so that a plurality of decoded symbols output from the trellis decoder can be input to the feedback filter in correspondence to the error obtained at the error calculator.

    Abstract translation: 具有改进的均衡效率的单载波接收机的信道均衡器包括从广播信号的相应符号中去除预重影的前馈滤波器,从广播信号的相应符号中去除后重影的反馈滤波器, 一个加法器,它将前重影去除的符号与后重影去除的符号相加;电平判定单元,参照预定电平数据确定在加法器处加上的符号的电平,然后将所确定的电平反馈到反馈滤波器 ,格子解码器相对于在加法器处添加的符号执行网格解码,并且具有作为N(N =自然数)的整体解码深度和作为NxK(K =自然数)的追溯延迟的整个长度, 误差计算器,其计算在加法器处添加的符号与在电平判定单元处确定的电平之间的误差值;以及网格控制单元,其控制网格解码器,使得ap 可以根据在误差计算器处获得的误差将从网格解码器输出的解码符号的数量输入到反馈滤波器。

    System for processing and transmitting digital broadcasting signal and method thereof
    38.
    发明申请
    System for processing and transmitting digital broadcasting signal and method thereof 有权
    用于处理和发送数字广播信号的系统及其方法

    公开(公告)号:US20070092031A1

    公开(公告)日:2007-04-26

    申请号:US11504724

    申请日:2006-08-16

    Abstract: A system for transmitting a digital broadcasting signal includes a supplementary reference signal (SRS) inserter receiving a dual transport stream in which a normal stream and a turbo stream are multiplexed, and inserting an SRS into a stuffing region provided in the dual transport stream, a Reed-Solomon encoder encoding the dual transport stream having the SRS inserted therein, an interleaver interleaving the encoded dual transport stream, a turbo processor detecting and encoding the turbo stream from the interleaved dual transport stream, stuffing the dual transport stream with the encoded turbo stream, and compensating for a parity corresponding to the encoded turbo stream, and a trellis/parity corrector performing a trellis encoding of the dual transport stream processed by the turbo processor, which can robustly process a turbo stream included in the dual transport stream and easily confirm the channel state between a transmitter side and a receiver side.

    Abstract translation: 用于发送数字广播信号的系统包括接收双向传输流的辅助参考信号(SRS)插入器,其中正常流和turbo流被多路复用,并且将SRS插入到设置在双传输流中的填充区域中 编码具有插入SRS的双传输流的Reed-Solomon编码器,交织编码的双传输流的交织器,从交织的双传输流检测和编码turbo流的turbo处理器,用编码的turbo流填充双传输流 并且补偿对应于编码的turbo流的奇偶校验,以及执行由turbo处理器处理的双传输流的网格编码的网格/奇偶校正器,其可以鲁棒地处理包括在双传输流中的turbo流并且容易地确认 发射机侧和接收机侧之间的信道状态。

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