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    Transmission method and reception device
    1.
    发明授权
    Transmission method and reception device 有权

    公开(公告)号：US11533066B2

    公开(公告)日：2022-12-20

    申请号：US16960639

    申请日：2019-01-08

    申请人： SONY CORPORATION

    发明人： Yuji Shinohara ,  Makiko Yamamoto

    IPC分类号： H03M13/27 ,  H03M13/11 ,  H03M13/00

    摘要： The present technology relates to a transmission method and a reception device for securing favorable communication quality in data transmission using an LDPC code.
    In group-wise interleaving, the LDPC code with a code length N of 17280 bits is interleaved in units of 360-bit bit groups 0 to 47. In group-wise deinterleaving, a sequence of the LDPC code after group-wise interleaving is returned to an original sequence. The present technology can be applied, for example, in a case of performing data transmission using an LDPC code, and the like.

    Transmission method and reception device
    2.
    发明授权
    Transmission method and reception device 有权

    公开(公告)号：US11218169B2

    公开(公告)日：2022-01-04

    申请号：US16961061

    申请日：2019-01-08

    申请人： SONY CORPORATION

    发明人： Yuji Shinohara ,  Makiko Yamamoto

    IPC分类号： H03M13/11 ,  H04L1/00 ,  H03M13/19 ,  H03M13/27

    摘要： The present technology relates to a transmission method and a reception device for securing favorable communication quality in data transmission using an LDPC code.
    In group-wise interleaving, the LDPC code with a code length N of 17280 bits is interleaved in units of 360-bit bit groups 0 to 47. In group-wise deinterleaving, a sequence of the LDPC code after group-wise interleaving is returned to an original sequence. The present technology can be applied, for example, in a case of performing data transmission using an LDPC code, and the like.

    Information processing device and information processing method
    3.
    发明授权
    Information processing device and information processing method 有权

    公开(公告)号：US11030524B2

    公开(公告)日：2021-06-08

    申请号：US16479044

    申请日：2018-01-26

    申请人： SONY CORPORATION

    发明人： Toshiyuki Hiroi ,  Makiko Yamamoto ,  Akira Nakamura

    IPC分类号： G06F17/11 ,  G06N3/08 ,  G06F17/16 ,  G06N3/00 ,  G06N3/04

    摘要： There is provided an information processing device to reduce a processing load associated with inner product operations while also guaranteeing the quantization granularity of weight coefficients, the information processing device including: a computational unit configured to compute an output value by performing an inner product operation based on multiple input values and multiple weight coefficients corresponding to each of the input values. The computational unit computes the output value on the basis of the weight coefficients quantized on the basis of a granularity of a vector direction on an N-dimensional hypersphere surface. Moreover, provided is an information processing device including: a multiply-accumulate operation circuit configured to execute a multiply-accumulate operation based on multiple input values and multiple weight coefficients corresponding to each of the input values. The multiply-accumulate operation circuit includes a memory circuit configured to hold address information and a multiplication circuit configured to execute operations.

    Transmission apparatus, transmission method, reception apparatus, and reception method
    4.
    发明授权
    Transmission apparatus, transmission method, reception apparatus, and reception method 有权

    公开(公告)号：US10965320B2

    公开(公告)日：2021-03-30

    申请号：US16348933

    申请日：2017-11-06

    申请人： SONY CORPORATION

    发明人： Yuji Shinohara ,  Makiko Yamamoto

    IPC分类号： H03M13/00 ,  H03M13/11 ,  H03M13/19 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H04L1/00 ,  H03M13/03 ,  H03M13/15

    摘要： The present technique relates to a transmission apparatus, a transmission method, a reception apparatus, and a reception method that can ensure favorable communication quality in data transmission using an LDPC code. LDPC coding is performed based on a check matrix of an LDPC code with a code length N of 69120 bits and a code rate r of 2/16, 3/16, or 4/16. The check matrix includes a matrix A with M1 rows and K columns, where M1 represents a predetermined value, and K=N×r represents an information length of the LDPC code, a matrix B with M1 rows and M1 columns in a dual diagonal structure, a matrix Z with M1 rows and N−K−M1 columns that is a zero matrix, a matrix C with N−K−M1 rows and K+M1 columns, and a matrix D with N−K−M1 rows and N−K−M1 columns that is an identity matrix. The matrix A and the matrix C are represented by a check matrix initial value table. The check matrix initial value table is a table indicating positions of elements of 1 in the matrix A and the matrix C on a basis of 360 columns and is a predetermined table. The present technique can be applied to, for example, data transmission using the LDPC code.

    Transmission apparatus, transmission method, reception apparatus, and reception method
    5.
    发明授权
    Transmission apparatus, transmission method, reception apparatus, and reception method 有权

    公开(公告)号：US10812222B2

    公开(公告)日：2020-10-20

    申请号：US16349071

    申请日：2017-11-06

    申请人： SONY CORPORATION

    发明人： Yuji Shinohara ,  Makiko Yamamoto

    IPC分类号： H04L1/00 ,  H03M13/11 ,  H03M13/00 ,  H03M13/25 ,  H03M13/03 ,  H03M13/29 ,  H03M13/27 ,  H03M13/15

    摘要： The present technique relates to a transmission apparatus, a transmission method, a reception apparatus, and a reception method that can ensure favorable communication quality in data transmission using an LDPC code. LDPC coding is performed based on a check matrix of an LDPC code with a code length N of 69120 bits and a code rate r of 7/16 or 8/16. The LDPC code includes information bits and parity bits, and the check matrix includes an information matrix corresponding to the information bits and a parity matrix corresponding to the parity bits. The information matrix is represented by a check matrix initial value table. The check matrix initial value table is a table indicating positions of elements of 1 in the information matrix on the basis of 360 columns and is a predetermined table. The present technique can be applied to, for example, data transmission using the LDPC code.

    DATA PROCESSING APPARATUS AND DATA PROCESSING METHOD
    10.
    发明申请
    DATA PROCESSING APPARATUS AND DATA PROCESSING METHOD 审中-公开
    数据处理设备和数据处理方法

    公开(公告)号：US20150046766A1

    公开(公告)日：2015-02-12

    申请号：US14386868

    申请日：2014-01-27

    申请人： SONY CORPORATION

    发明人： Yuji Shinohara ,  Makiko Yamamoto

    IPC分类号： H03M13/11

    CPC分类号： H03M13/1105 ,  H03M13/036 ,  H03M13/1148 ,  H03M13/1165 ,  H03M13/1177 ,  H03M13/152 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/271 ,  H03M13/2906 ,  H03M13/356 ,  H04L1/0057 ,  H04L1/0071

    摘要： A data processing apparatus and a data processing method which enable provision of an LDPC code that achieves good error-rate performance. An LDPC encoding unit performs encoding using an LDPC code having a code length of 64800 bits and a code rate of 18/30, 19/30, 20/30, 21/30, 22/30, or 23/30. The LDPC code includes information bits and parity bits, and a parity check matrix H is composed of an information matrix portion corresponding to the information bits of the LDPC code, and a parity matrix portion corresponding to the parity bits. The information matrix portion of the parity check matrix H is represented by a parity check matrix initial value table that shows positions of elements of 1 in the information matrix portion in units of 360 columns. The apparatus and method may be applied to LDPC encoding and LDPC decoding.

    摘要翻译： 一种能够提供实现良好的错误率性能的LDPC码的数据处理装置和数据处理方法。 LDPC编码单元使用码长为64800位，码率为18 / 30,19 / 30,20 / 30,21 / 30,22 / 30或23/30的LDPC码来执行编码。 LDPC码包括信息比特和奇偶校验位，并且奇偶校验矩阵H由对应于LDPC码的信息比特的信息矩阵部分和对应于奇偶校验位的奇偶校验矩阵部分组成。 奇偶校验矩阵H的信息矩阵部分由奇偶校验矩阵初始值表表示，该奇偶校验矩阵初始值表以360列为单位示出信息矩阵部分中元素1的位置。 该装置和方法可以应用于LDPC编码和LDPC解码。