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14 条记录 (耗时 0.02 秒)

    Decoding apparatus
    4.
    发明授权
    Decoding apparatus 失效
    解码装置

    公开(公告)号：US08205130B2

    公开(公告)日：2012-06-19

    申请号：US12100730

    申请日：2008-04-10

    申请人： Masashi Shinagawa ,  Hiroyuki Yamagishi ,  Makoto Nada

    发明人： Masashi Shinagawa ,  Hiroyuki Yamagishi ,  Makoto Nada

    IPC分类号： G06F11/00

    CPC分类号： H03M13/1137 ,  H03M13/1111 ,  H03M13/6566

    摘要： In the present application, there is provided a decoding apparatus for decoding low density parity check codes, including: a plurality of storage sections configured to store logarithmic likelihood ratios or logarithmic posteriori probability ratios for one codeword into addresses thereof which are independent of each other thereamong; and a readout section configured to simultaneously read out, from among the logarithmic likelihood ratios or logarithmic posteriori probability ratios for the one codeword stored in the storage sections, a plurality of ones of the logarithmic likelihood ratios or logarithmic posteriori probability ratios which correspond to non-zero value elements in a predetermined one row of the check matrix used in a coding process of the low density parity check codes.

    摘要翻译： 在本申请中，提供了一种用于解码低密度奇偶校验码的解码装置，包括：多个存储部分，被配置为将一个码字的对数似然比或对数后验概率比存储为彼此独立的地址 ; 以及读出部，被配置为从存储在存储部中的一个码字的对数似然比或对数后验概率之中同时读出与非对数似然比对应的多个对数似然比或对数后验概率， 在低密度奇偶校验码的编码处理中使用的校验矩阵的预定一行中的零值元素。

    CRC generator polynomial select method, CRC coding method and CRC coding circuit
    6.
    发明申请
    CRC generator polynomial select method, CRC coding method and CRC coding circuit 失效
    CRC生成多项式选择方法，CRC编码方法和CRC编码电路

    公开(公告)号：US20080320370A1

    公开(公告)日：2008-12-25

    申请号：US11821561

    申请日：2007-06-22

    申请人： Masashi Shinagawa ,  Keitarou Kondou ,  Makoto Noda

    发明人： Masashi Shinagawa ,  Keitarou Kondou ,  Makoto Noda

    IPC分类号： H03M13/00

    CPC分类号： H03M13/09 ,  H03M13/6508

    摘要： Disclosed herein is a CRC generator polynomial select method for selecting a generator polynomial to be used in CRC coding processing and/or CRC processing of inspecting a CRC processing result, the CRC generator polynomial select method may include a first process of finding largest minimum Hamming distances Max.dmin; a second process of finding code lengths n for each of the largest minimum Hamming distances Max.dmin and determining a range expressed by relations nmin (r, Max.dmin)≦n≦nmax (r, Max.dmin); a third process of searching all generator polynomials G(x) for specific generator polynomials G(x); and a fourth process of selecting final generator polynomials G(x) each having a smallest term count w and a lowest code undetected-error probability Pud from the specific generator polynomials G(x).

    摘要翻译： 本发明公开了一种CRC生成多项式选择方法，用于选择在CRC编码处理中使用的生成多项式和/或检查CRC处理结果的CRC处理，CRC生成多项式选择方法可以包括找到最大最小汉明距离的第一处理 Max.dmin; 对于最大最小汉明距离Max.dmin中的每一个找到码长度n的第二过程，并且确定由关系nmin（r，Max.dmin）表示的范围，其中，nmin（r，Max.dmin）; 搜索特定生成多项式G（x）的所有生成多项式G（x）的第三处理; 以及从特定生成多项式G（x）中选择最终生成多项式G（x）的第四处理，每个最终生成多项式G（x）具有最小项数w和最低代码未检测错误概率Pud。

    Transmission apparatus and method, reception apparatus and method, and program
    7.
    发明授权
    Transmission apparatus and method, reception apparatus and method, and program 失效
    发送装置及方法，接收装置和方法以及程序

    公开(公告)号：US08327251B2

    公开(公告)日：2012-12-04

    申请号：US12317268

    申请日：2008-12-18

    申请人： Masashi Shinagawa ,  Makoto Noda ,  Hiroyuki Yamagishi ,  Keitarou Kondou

    发明人： Masashi Shinagawa ,  Makoto Noda ,  Hiroyuki Yamagishi ,  Keitarou Kondou

    IPC分类号： H03M13/09

    CPC分类号： H04L1/0061 ,  H03M13/036 ,  H03M13/09 ,  H03M13/6516 ,  H04L1/0041

    摘要： A transmission apparatus includes: a CRC encoding processing unit configured to include a plurality of generating polynomials for an CRC encoding processing with each of a plurality of data of which the code lengths differ as a target, and employ the optimal generating polynomial out of the plurality of generating polynomials to perform the CRC encoding processing; and a transmission unit configured to transmit data obtained by the CRC encoding processing unit performing the CRC encoding processing.

    摘要翻译： 发送装置包括：CRC编码处理单元，被配置为包括用于CRC编码处理的多个生成多项式，其中码长度不同的多个数据中的每一个作为目标，并且使用多个中的最优生成多项式 生成多项式以执行CRC编码处理; 以及发送单元，被配置为发送由执行CRC编码处理的CRC编码处理单元获得的数据。

    POLARIZING FIBER, POLARIZER, POLARIZING PLATE, LAMINATED OPTICAL FILM, AND IMAGE DISPLAY
    8.
    发明申请
    POLARIZING FIBER, POLARIZER, POLARIZING PLATE, LAMINATED OPTICAL FILM, AND IMAGE DISPLAY 审中-公开
    极化光纤，极化器，极化板，层压光学膜和图像显示

    公开(公告)号：US20100079862A1

    公开(公告)日：2010-04-01

    申请号：US12523223

    申请日：2008-06-04

    申请人： Minoru Miyatake ,  Akinori Nishimura ,  Masashi Shinagawa ,  Yasuko Iwakawa

    发明人： Minoru Miyatake ,  Akinori Nishimura ,  Masashi Shinagawa ,  Yasuko Iwakawa

    IPC分类号： G02B5/30

    CPC分类号： G02B5/30 ,  D01D5/36 ,  D01F8/06 ,  D01F8/10 ,  G02B5/3025 ,  G02B27/28

    摘要： As the polarizing fiber of the present invention, the cross sectional form perpendicular to the longitudinal direction has a sea-island structure, and the cross sectional form is continuously made up in the longitudinal direction. A resin (sea component) that constitutes the sea region of the sea-island structure comprises a dichroic dye, and a resin (island component) that constitutes the island regions of the sea-island structure is a transparent resin.The polarizing fiber of the present invention may be used as a forming material of a polarizer, for example. By using the above polarizing fiber, a polarizer wherein unevenness of the transmittance is small and cracks are less generated may be formed.

    摘要翻译： 作为本发明的偏振光纤，与长度方向垂直的截面形状为海岛状结构，截面形状在长度方向连续地构成。 构成海岛结构的海域的树脂（海成分）包括二色性染料，构成海岛结构的岛状区域的树脂（岛成分）为透明树脂。 本发明的偏振光纤例如可以用作偏振片的形成材料。 通过使用上述偏振光纤，可以形成透光率的不均匀性小，产生裂纹少的偏振片。

    Device and method for transmission, device and method for reception, and program
    9.
    发明授权
    Device and method for transmission, device and method for reception, and program 有权
    用于传输的装置和方法，用于接收和编程的装置和方法

    公开(公告)号：US09209931B2

    公开(公告)日：2015-12-08

    申请号：US12934159

    申请日：2009-04-02

    申请人： Masashi Shinagawa ,  Makoto Noda

    发明人： Masashi Shinagawa ,  Makoto Noda

    IPC分类号： H03M13/00 ,  H04L1/00 ,  H03M13/35 ,  H03M13/09

    CPC分类号： H04L1/001 ,  H03M13/09 ,  H03M13/35 ,  H04L1/007 ,  H04L1/0072

    摘要： The present invention relates to a device and a method for transmission, a device and a method for reception, and a program that make it possible to obtain an undetected error probability characteristic close to a limit value in a system using a CRC for a plurality of pieces of data having different code lengths. A generator polynomial for header data which generator polynomial is used when a CRC coding process is performed on header data and a generator polynomial for sub-header data which generator polynomial is used when the CRC coding process is performed on sub-header data are set in a transmitting device. The transmitting device selects a generator polynomial according to data set as an object of the CRC coding process.

    摘要翻译： 本发明涉及一种用于发送的装置和方法，一种用于接收的装置和方法，以及一种程序，其使得能够获得在使用CRC的系统中接近极限值的未检测到的误差概率特性 具有不同码长的数据片段。 在对标题数据执行CRC编码处理时使用生成多项式的生成多项式和在对子标题数据执行CRC编码处理时使用生成多项式的子标题数据的生成多项式的生成多项式设置在 发送装置。 发送装置根据作为CRC编码处理的对象设定的数据选择生成多项式。