公开(公告)号：US20110164706A1

公开(公告)日：2011-07-07

申请号：US12958729

申请日：2010-12-02

申请人： Takashi YOKOKAWA ,  Satoshi Okada ,  Tomoharu Honda

发明人： Takashi YOKOKAWA ,  Satoshi Okada ,  Tomoharu Honda

IPC分类号： H04L27/06

CPC分类号： H04L27/2656 ,  H04H60/11 ,  H04L27/2602 ,  H04L27/2666 ,  H04N21/4382 ,  H04N21/6112

摘要： Disclosed herein is a reception apparatus, including: a reception section adapted to receive an OFDM (Orthogonal Frequency Division Multiplexing) signal obtained by modulating a first frame configured so as to include packets of a common packet sequence configured from a packet common to a plurality of streams and a second frame configured so as to include packets of a data packet sequence configured from packets individually unique to the plural streams; an acquisition section adapted to acquire specification information for specifying a combination of a first frame and a second frame obtained by demodulating the received OFDM signal; and a detection section adapted to detect a combination of a packet of the common packet sequence which configures the first frame and a packet of the data packet sequence which configures the second frame, whose combination is specified based on the acquired specification information.

摘要翻译： 这里公开了一种接收装置，包括：接收部分，适于接收通过调制第一帧而获得的OFDM（正交频分复用）信号，所述第一帧被配置为包括由公共数据包共同配置的公共分组序列的分组 流和第二帧，其被配置为包括由对于多个流单独唯一的分组配置的数据分组序列的分组; 获取部分，适于获取用于指定通过解调所接收的OFDM信号而获得的第一帧和第二帧的组合的指定信息; 以及检测部，其适于检测构成所述第一帧的公共分组序列的分组与构成所述第二帧的所述数据分组序列的分组的组合，所述组合基于所获取的规格信息来指定。

公开(公告)号：US20110037904A1

公开(公告)日：2011-02-17

申请号：US12851796

申请日：2010-08-06

申请人： Takashi YOKOKAWA ,  Satoshi Okada

发明人： Takashi YOKOKAWA ,  Satoshi Okada

IPC分类号： H04N5/44 ,  H04L27/00

CPC分类号： H04N21/4344 ,  H04N21/4345 ,  H04N21/4346 ,  H04N21/4347 ,  H04N21/6112

摘要： Disclosing herein is a receiving apparatus including, a buffer configured to store packets of a first packet sequence made up of packets extracted from one transport stream that are common to packets of another transport stream and packets of a second packet sequence made up of common packets, a read control section configured to read the packets of the first packet sequence and the second packet sequence stored in the buffer after the passing of a predetermined time after synchronization is established between the packets of the first packet sequence and the packets of the second packet sequence, thereby reconstructing one transport stream from the first packet sequence and the second packet sequence, and an output section configured to output the reconstructed transport stream.

摘要翻译： 这里公开一种接收装置，包括：缓冲器，被配置为存储由从一个传输流提取的分组构成的第一分组序列的分组，所述分组序列由另一传输流的分组和由公共分组组成的第二分组序列的分组共同， 读取控制部分，被配置为在第一分组序列的分组与第二分组序列的分组之间建立同步之后经过预定时间之后读取存储在缓冲器中的第一分组序列和第二分组序列的分组 从而从第一分组序列和第二分组序列重建一个传输流，以及输出部分，被配置为输出重构的传输流。

公开(公告)号：US20100299572A1

公开(公告)日：2010-11-25

申请号：US12743649

申请日：2008-11-18

申请人： Takashi Yokokawa ,  Makiko Yamamoto ,  Satoshi Okada ,  Ryoji Ikegaya

发明人： Takashi Yokokawa ,  Makiko Yamamoto ,  Satoshi Okada ,  Ryoji Ikegaya

IPC分类号： H03M13/05 ,  G06F11/10

CPC分类号： H04L27/3416 ,  H03M13/036 ,  H03M13/1165 ,  H03M13/255 ,  H03M13/271 ,  H03M13/356 ,  H03M13/6552 ,  H04L1/0057 ,  H04L1/0071 ,  H04L27/3488 ,  H04L27/36

摘要： A data processing apparatus, a data processing method, an encoding apparatus and an encoding method which can be applied, for example, to a transmission system for transmitting an LDPC code and so forth, and which can improve the tolerance to errors. Of an LDPC code which is prescribed in the DVB-S.2 and has a code length of 64,800 and an encoding rate of ⅔, mb code bits are replaced, and the code bits after the replacement become symbol bits of b symbols. When m is 8 and b is 2, where the i+1th bit from the most significant bit of 8×2 code bits and 8×2 symbol bits of two successive symbols are represented by bi and yi, respectively, replacement of allocating b0 to y15, b1 to y7, b2 to y1, b3 to y5, b4 to y6, b5 to y13, b6 to y11, b7 to y9, b8 to y8, b9 to y14, b10 to y12, b11 to y3, b12 to y0, b13 to y10, b14 to y4 and b15 to y2.

摘要翻译： 可以应用于例如用于发送LDPC码等的传输系统的数据处理装置，数据处理方法，编码装置和编码方法，并且可以提高对误差的容限。 在DVB-S.2中规定的并且具有64,800的码长和an的编码率的LDPC码中，替换mb个码比特，并且替换后的码比特成为b符号的符号比特。 当m为8且b为2时，分别用b 1和y i表示从8×2码位的最高有效位和2个连续符号的8×2符号位的第i + 1位，将b0分配给 y15，b1〜y7，b2〜y1，b3〜y5，b4〜y6，b5〜y13，b6〜y11，b7〜y9，b8〜y8，b9〜y14，b10〜y12，b11〜y3，b12〜y0， b13〜y10，b14〜y4，b15〜y2。

公开(公告)号：US20100275101A1

公开(公告)日：2010-10-28

申请号：US12744400

申请日：2008-11-26

申请人： Takashi Yokokawa ,  Makiko Yamamoto ,  Satoshi Okada ,  Lui Sakai ,  Ryoji Ikegaya

发明人： Takashi Yokokawa ,  Makiko Yamamoto ,  Satoshi Okada ,  Lui Sakai ,  Ryoji Ikegaya

IPC分类号： H03M13/05 ,  G06F11/10

CPC分类号： H03M13/1165 ,  H03M13/036 ,  H03M13/255 ,  H03M13/2703 ,  H03M13/271 ,  H03M13/6552 ,  H04L1/0057 ,  H04L1/0071 ,  H04L27/3416 ,  H04L27/3488

摘要： The present invention relates to a data processing apparatus and a data processing method which can improve the tolerance to errors of data. A demultiplexer replaces, in accordance with an allocation rule for allocating code bits of an LDPC code to symbol bits representative of symbols, mb bits from among the code bits and sets the code bits after the replacement as symbol bits of b symbols. According to the allocation rule, where groups into which the code bits and the symbol bits are to be grouped in response to an error probability thereof are set as code bit groups and symbol bit groups, respectively, a combination of any of the code bit groups and the symbol bit group of the symbol bits to which the code bits of the code bit group are to be allocated and bit numbers of the code bits and the symbols bits are prescribed.

摘要翻译： 数据处理装置和数据处理方法技术领域本发明涉及一种数据处理装置和数据处理方法，其可以提高对数据的误差的容忍度。 解复用器根据用于分配LDPC码的码位的分配规则替换代表码元的符号位，并从代码比特中取代mb比特，并将替换后的码比特设置为b符号的符号比特。 根据分配规则，分别将代码比特和符号比特的组合作为码比特组和符号比特组分别设定为组合的任何编码比特组 以及要分配码位组的码位的符号位的符号位组，以及代码位和符号位的位编号。

公开(公告)号：US08929404B2

公开(公告)日：2015-01-06

申请号：US12981894

申请日：2010-12-30

申请人： Takashi Yokokawa ,  Satoshi Okada

发明人： Takashi Yokokawa ,  Satoshi Okada

IPC分类号： H04J3/06 ,  H04L25/02 ,  H04N21/43 ,  H04L27/26

CPC分类号： H04L25/02 ,  H04L27/26 ,  H04N21/4305

摘要： Disclosed herein is a reception apparatus, including: a reception section configured to receive an OFDM (orthogonal frequency division multiplexed) signal obtained by modulating a common packet sequence configured from a packet common to a plurality of streams and a data packet sequence configured from packets individually unique to the plural streams; a buffer configured to accumulate packets of the common packet sequence and the data packet sequence obtained by demodulating the received OFDM signal; a retaining section configured to retain correction information for correcting out-of-synchronism between the common packet sequence and the data packet sequence obtained from particular packets of the common packet sequence and the data packet sequence upon reading out of the packets accumulated in the buffer; and a correction section configured to correct the out-of-synchronism of the packet which suffers from the out-of-synchronism of the packets based on the correction information retained in the retaining section.

摘要翻译： 这里公开了一种接收装置，包括：接收部分，被配置为接收通过对由多个流公用的分组配置的公共分组序列进行调制而获得的OFDM（正交频分复用）信号和由分组分组配置的数据分组序列 独特的多个流; 缓冲器，被配置为累积通过解调所接收的OFDM信号而获得的公共分组序列和数据分组序列的分组; 保持部，被配置为在读出在所述缓冲器中累积的分组时，保留校正信息，用于校正所述公共分组序列和从所述公共分组序列和所述数据分组序列的特定分组获得的数据分组序列之间的不同步; 以及校正部，被配置为基于保持在保持部中的校正信息来校正受到分组的不同步的分组的不同步。

公开(公告)号：US20140003540A1

公开(公告)日：2014-01-02

申请号：US14004866

申请日：2012-03-23

申请人： Satoshi Okada ,  Takashi Yokokawa

发明人： Satoshi Okada ,  Takashi Yokokawa

IPC分类号： H04N7/26

CPC分类号： H04N19/44 ,  H04H20/40 ,  H04H60/11 ,  H04L27/2601 ,  H04N21/4344 ,  H04N21/4345 ,  H04N21/4347 ,  H04N21/44004 ,  H04N21/6112

摘要： The present technology relates to a data readout device, a data readout method, and a program capable of preventing occurrence of a period in which no data is output. In circumstances where data is accumulated and the accumulated data is readout, the data cannot be readout and an underflow occurs if a situation occurs in which an error occurs in accumulating the data and the data cannot be accumulated. Readout is controlled using information included in data to prevent a continuous underflow despite the occurrence of an error has stopped after the underflow occurred. The accumulated data, information of which has been signaled, is started to read out at a timing specified by the information signaled in the data. The present technology is applicable to a reception device that receives a DVB-T2 signal in theM-PLP system.

摘要翻译： 本技术涉及数据读出装置，数据读出方法以及能够防止不输出数据的期间发生的程序。 在数据被累积并且累积数据被读出的情况下，如果在累积数据中出现错误并且数据不能被累积的情况发生，则不能读出数据并发生下溢。 使用包含在数据中的信息来控制读数，以防止连续下溢，尽管在发生下溢之后发生错误已经停止。 其信息已被通知的累积数据在由数据中发出的信息指定的定时开始读出。 本技术适用于在M-PLP系统中接收DVB-T2信号的接收装置。

公开(公告)号：US08335964B2

公开(公告)日：2012-12-18

申请号：US12743384

申请日：2008-11-25

申请人： Takashi Yokokawa ,  Makiko Yamamoto ,  Satoshi Okada ,  Ryoji Ikegaya

发明人： Takashi Yokokawa ,  Makiko Yamamoto ,  Satoshi Okada ,  Ryoji Ikegaya

IPC分类号： G06F11/00

CPC分类号： H04L27/3416 ,  H03M13/036 ,  H03M13/1165 ,  H03M13/255 ,  H03M13/271 ,  H03M13/356 ,  H03M13/6552 ,  H04L1/0057 ,  H04L1/0071 ,  H04L27/3488 ,  H04L27/36

摘要： A data processing apparatus, a data processing method, an encoding apparatus, and an encoding method which can be applied, for example, to a transmission system for transmitting an LDPC code and so forth, and which can improve tolerance to errors. Of an LDPC code which is prescribed in the DVB-S.2 and has a code length of 64,800 and an encoding rate of 2/3, mb code bits are replaced, and the code bits after the replacement become symbol bits of b symbols. When m is 8 and b is 2, where the i+1th bit from the most significant bit of 8×2 code bits and 8×2 symbol bits of two successive symbols are represented by bi and yi, respectively, replacement of allocating b0 to y15, b1 to y7, b2 to y1, b3 to y5, b4 to y6, b5 to y13, b6 to y11, b7 to y9, b8 to y8, b9 to y14, b10 to y12, b11 to y3, b12 to y0, b13 to y10, b14 to y4 and b15 to y2.

摘要翻译： 可以应用于例如用于发送LDPC码的传输系统等的数据处理装置，数据处理方法，编码装置和编码方法，并且可以改善对误差的容限。 在DVB-S.2中规定的并且具有64,800的码长和2/3的编码速率的LDPC码中，替换mb个码比特，并且替换后的码比特成为b符号的符号比特。 当m为8且b为2时，分别用b 1和y i表示从8×2码位的最高有效位和2个连续符号的8×2符号位的第i + 1位，将b0分配给 y15，b1〜y7，b2〜y1，b3〜y5，b4〜y6，b5〜y13，b6〜y11，b7〜y9，b8〜y8，b9〜y14，b10〜y12，b11〜y3，b12〜y0， b13〜y10，b14〜y4，b15〜y2。

公开(公告)号：US08209581B2

公开(公告)日：2012-06-26

申请号：US12253347

申请日：2008-10-17

申请人： Takashi Yokokawa ,  Satoshi Okada ,  Osamu Shinya

发明人： Takashi Yokokawa ,  Satoshi Okada ,  Osamu Shinya

IPC分类号： G06F11/00

CPC分类号： H03M13/11 ,  H04L1/0052 ,  H04L1/0057 ,  H04L1/007

摘要： A receiving apparatus including, an LDPC decoder configured to decode both of the data signal and the transmission control signal, a data signal input buffer arranged before the LDPC decoder and configured to hold the received data signal and a transmission control signal input buffer arranged before the LDPC decoder and configured to hold the received transmission control signal, and a controller configured to select one of the data signal held in the data signal input buffer and the transmission control signal held in the transmission control signal input buffer as a signal subject to decoding and transmit the selected signal to the LDPC decoder to make the LDPC decoder decode the signal subject to decoding.

摘要翻译： 一种接收装置，包括：LDPC解码器，被配置为解码所述数据信号和所述传输控制信号;数据信号输入缓冲器，布置在所述LDPC解码器之前并被配置为保持所述接收的数据信号;以及传输控制信号输入缓冲器， LDPC解码器，被配置为保持所接收的发送控制信号，以及控制器，被配置为选择保持在数据信号输入缓冲器中的数据信号中的一个和保持在发送控制信号输入缓冲器中的发送控制信号作为经解码的信号;以及 将所选择的信号发送到LDPC解码器，以使LDPC解码器对经过解码的信号进行解码。

公开(公告)号：US20110164703A1

公开(公告)日：2011-07-07

申请号：US12981948

申请日：2010-12-30

申请人： Takashi Yokokawa ,  Satoshi Okada

发明人： Takashi Yokokawa ,  Satoshi Okada

IPC分类号： H04B1/06

CPC分类号： H04L27/2647 ,  H04H40/18 ,  H04H60/40 ,  H04N21/235 ,  H04N21/23608 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/4302 ,  H04N21/4305 ,  H04N21/434 ,  H04N21/4344 ,  H04N21/4345 ,  H04N21/435 ,  H04N21/4382 ,  H04W56/00 ,  H04W56/001 ,  H04W56/003

摘要： Disclosed herein is a reception apparatus, including: a reception section configured to receive an OFDM (Orthogonal Frequency Division Multiplexed) signal obtained by modulating a common packet sequence configured from a packet common to streams and a data packet sequence configured from packets individually unique to the streams; a time counting section configured to count, using predetermined time indicated by additional information added to particular packets of the common and data packet sequences obtained by demodulating the received OFDM signal as a reference, elapsed time after the predetermined time; a detection section configured to compare the counted time and time indicated by the additional information added to the particular packets of the common and data packet sequences to detect a displacement in the time direction between the packets; and a correction section configured to correct the displacement between the packets of the common and data packet sequences in the time direction.

摘要翻译： 这里公开了一种接收装置，包括：接收部分，被配置为接收通过调制由流公用的分组配置的公共分组序列获得的OFDM（正交频分复用）信号，以及从由 溪流 时间计数部分，被配置为使用通过将通过解调所接收的OFDM信号作为参考获得的公共数据分组序列的特定分组附加的附加信息指定的预定时间进行计数，经过预定时间之后的经过时间; 检测部，被配置为比较由附加到所述公用数据包序列和所述数据包序列的特定分组的附加信息所指示的所计算的时间和时间，以检测所述分组之间的时间方向上的位移; 以及校正部，被配置为在时间方向上校正公用数据包序列和数据包序列的包之间的位移。

公开(公告)号：US20100269019A1

公开(公告)日：2010-10-21

申请号：US12743398

申请日：2008-11-26

申请人： Takashi Yokokawa ,  Makiko Yamamoto ,  Satoshi Okada ,  Ryoji Ikegaya

发明人： Takashi Yokokawa ,  Makiko Yamamoto ,  Satoshi Okada ,  Ryoji Ikegaya

IPC分类号： H03M13/05 ,  G06F11/10

CPC分类号： H04L27/2647 ,  H03M13/033 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/2906 ,  H03M13/356 ,  H03M13/6552 ,  H03M13/6555

摘要： The present invention relates to a data processing apparatus and a data processing method which can improve the tolerance to errors of data. A demultiplexer 25 replaces, in accordance with an allocation rule for allocating code bits of an LDPC code to symbol bits representative of symbols, mb bits from among the code bits and sets the code bits after the replacement as symbol bits of b symbols. For example, when m is 12 and b is 1, where the i+1th bits from the most significant bit of the 12×1 code bits and the 12×1 symbol bits of one symbol are represented as bits bi and yi, replacement for allocating, for example, b0 to y8, b1 to y0, b2 to y6, b3 to y1, b4 to y4, b5 to y5, b6 to y2, b7 to y3, b8 to y7, b9 to y10, b10 to y11 and b11 to y9 is carried out. The present invention can be applied, for example, to a transmission system for transmitting an LDPC code and so forth.

摘要翻译： 数据处理装置和数据处理方法技术领域本发明涉及一种数据处理装置和数据处理方法，其可以提高对数据的误差的容忍度。 解复用器25根据用于分配LDPC码的码位的分配规则替换代表码元的符号位，并从代码比特中替换mb比特，并将替换后的码比特设置为b符号的符号比特。 例如，当m为12且b为1时，其中来自12×1码位的最高有效位的第i + 1位和一个符号的12×1符号位表示为位bi和yi，替换为 分配例如b0至y8，b1至y0，b2至y6，b3至y1，b4至y4，b5至y5，b6至y2，b7至y3，b8至y7，b9至y10，b10至y11和b11 到y9进行。 本发明可以应用于例如用于发送LDPC码等的传输系统。