公开(公告)号：US11177832B2

公开(公告)日：2021-11-16

申请号：US16696746

申请日：2019-11-26

Applicant: Saturn Licensing LLC

Inventor： Yuji Shinohara ,  Makiko Yamamoto

IPC: H03M13/11 ,  H03M13/27 ,  H03M13/35 ,  H04L1/00 ,  H03M13/03 ,  H03M13/25 ,  H03M13/29 ,  H03M13/15

Abstract: The present technology relates to 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 present technology may be applied to LDPC encoding and LDPC decoding.

公开(公告)号：US11043968B2

公开(公告)日：2021-06-22

申请号：US16517308

申请日：2019-07-19

Applicant: Saturn Licensing LLC

Inventor： Ryoji Ikegaya ,  Makiko Yamamoto ,  Yuji Shinohara

IPC: H03M13/11 ,  H04L1/00 ,  H03M13/03 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/00 ,  H03M13/35 ,  H03M13/15

Abstract: The present technology relates to a data processing device and a data processing method, which are capable of securing excellent communication quality in data transmission using an LDPC code. In group-wise interleave, an LDPC code in which a code length N is 16200 bits and an encoding rate r is 12/15, 6/15, or 8/15 is interleaved in units of bit groups of 360 bits. In group-wise deinterleave, a sequence of the LDPC code that has undergone the group-wise interleave is restored to an original sequence. For example, the present technology can be applied to a technique of performing data transmission using an LDPC code.

公开(公告)号：US10985782B2

公开(公告)日：2021-04-20

申请号：US16459088

申请日：2019-07-01

Applicant: SATURN LICENSING LLC

Inventor： Ryoji Ikegaya ,  Makiko Yamamoto ,  Yuji Shinohara

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

Abstract: The present technology relates to a data processing device and a data processing method which can ensure high communication quality in data transmission using LDPC codes.
In group-wise interleaving, an LDPC code having a code length N of 64800 bits and a coding rate r of 11/15 is interleaved in a unit of a bit group of 360 bits. In group-wise deinterleaving, a sequence of bit groups of the LDPC code which has been subjected to the group-wise interleaving is returned to an original sequence. The present technology can be applied to, for example, a case in which data transmission is performed using LDPC codes.

公开(公告)号：US20200304152A1

公开(公告)日：2020-09-24

申请号：US16839813

申请日：2020-04-03

Applicant: Saturn Licensing LLC

Inventor： Ryoji IKEGAYA ,  Makiko Yamamoto ,  Yuji Shinohara

IPC: H03M13/27 ,  H03M13/03 ,  H03M13/11 ,  H03M13/29 ,  H03M13/35 ,  H03M13/00 ,  H03M13/25

Abstract: The present technology relates to a data processing device and a data processing method capable of securing excellent communication quality in data transmission using an LDPC code. In group-wise interleave, an LDPC code having a code length N of 64800 bits and a coding rate r of 9/15, 11/15, or 13/15 is interleaved in units of bit groups of 360 bits. In group-wise deinterleave, a sequence of LDPC codes after the group-wise interleave is returned to an original sequence. The present technology, for example, can be applied to a case where data transmission using an LDPC code or the like is performed.

公开(公告)号：US10659080B2

公开(公告)日：2020-05-19

申请号：US15980374

申请日：2018-05-15

Applicant: Saturn Licensing LLC

Inventor： Ryoji Ikegaya ,  Makiko Yamamoto ,  Yuji Shinohara

IPC: H03M13/27 ,  H03M13/00 ,  H03M13/03 ,  H03M13/11 ,  H03M13/29 ,  H03M13/35 ,  H03M13/25 ,  H03M13/15

Abstract: The present technology relates to a data processing device and a data processing method capable of securing excellent communication quality in data transmission using an LDPC code. In group-wise interleave, an LDPC code having a code length N of 64800 bits and a coding rate r of 9/15, 11/15, or 13/15 is interleaved in units of bit groups of 360 bits. In group-wise deinterleave, a sequence of LDPC codes after the group-wise interleave is returned to an original sequence. The present technology, for example, can be applied to a case where data transmission using an LDPC code or the like is performed.

公开(公告)号：USRE50257E1

公开(公告)日：2024-12-31

申请号：US17874082

申请日：2022-07-26

Applicant: Saturn Licensing LLC

Inventor： Ryoji Ikegaya ,  Makiko Yamamoto ,  Yuji Shinohara

IPC: H03M13/03 ,  H03M13/00 ,  H03M13/11 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/15 ,  H04L27/26

Abstract: In group-wise interleaving, interleaving of an LDPC code having a code length N of 64800 bits and an encoding rate r of 5/15 is performed in a unit of a bit group of 360 bits. In group-wise deinterleaving, an arrangement of the LDPC code that has undergone group-wise interleaving is returned to an original arrangement. The technology can be applied to a case of transmitting data using the LDPC code. The data processing device and data processing method can ensure excellent communication quality in data transmission using an LDPC code.

公开(公告)号：US11601142B2

公开(公告)日：2023-03-07

申请号：US17193245

申请日：2021-03-05

Applicant: SATURN LICENSING LLC

Inventor： Ryoji Ikegaya ,  Makiko Yamamoto ,  Yuji Shinohara

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

Abstract: The present technology relates to a data processing device and a data processing method which can ensure high communication quality in data transmission using LDPC codes.
In group-wise interleaving, an LDPC code having a code length N of 64800 bits and a coding rate r of 11/15 is interleaved in a unit of a bit group of 360 bits. In group-wise deinterleaving, a sequence of bit groups of the LDPC code which has been subjected to the group-wise interleaving is returned to an original sequence. The present technology can be applied to, for example, a case in which data transmission is performed using LDPC codes.

公开(公告)号：US11190387B2

公开(公告)日：2021-11-30

申请号：US17119678

申请日：2020-12-11

Applicant: Saturn Licensing LLC

Inventor： Nabil Loghin ,  Lothar Stadelmeier ,  Jan Zoellner ,  Yuji Shinohara

IPC: H04L27/34 ,  H04L27/00 ,  H04L27/38 ,  H04L1/00 ,  H04L27/36

Abstract: A coding and modulation apparatus and method are presented. The apparatus comprises an encoder that encodes input data into cell words, and a modulator that modulates said cell words into constellation values of a non-uniform constellation. The modulator is configured to use, based on the total number M of constellation points of the constellation and the code rate, a non-uniform constellation from one or several groups of constellations each comprising one or more constellations.

公开(公告)号：US11070233B2

公开(公告)日：2021-07-20

申请号：US16517278

申请日：2019-07-19

Applicant: Saturn Licensing LLC

Inventor： Ryoji Ikegaya ,  Makiko Yamamoto ,  Yuji Shinohara

IPC: H03M13/11 ,  H04L1/00 ,  H03M13/03 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/00 ,  H03M13/35 ,  H03M13/15

Abstract: The present technology relates to a data processing device and a data processing method, which are capable of securing excellent communication quality in data transmission using an LDPC code. In group-wise interleave, an LDPC code in which a code length N is 16200 bits and an encoding rate r is 12/15, 6/15, or 8/15 is interleaved in units of bit groups of 360 bits. In group-wise deinterleave, a sequence of the LDPC code that has undergone the group-wise interleave is restored to an original sequence. For example, the present technology can be applied to a technique of performing data transmission using an LDPC code.

公开(公告)号：US10686470B2

公开(公告)日：2020-06-16

申请号：US16290147

申请日：2019-03-01

Applicant: Saturn Licensing LLC

Inventor： Ryoji Ikegaya ,  Makiko Yamamoto ,  Yuji Shinohara

IPC: H03M13/00 ,  H03M13/11 ,  H03M13/03 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/35 ,  H04L1/00 ,  G06F11/10 ,  H03M13/15

Abstract: The present technology relates to a data processing device and a data processing method, which are capable of securing excellent communication quality in data transmission using an LDPC code. In group-wise interleave, an LDPC code in which a code length N is 16200 bits and an encoding rate r is 6/15, 8/15, or 10/15 is interleaved in units of bit groups of 360 bits. In group-wise deinterleave, a sequence of the LDPC code that has undergone the group-wise interleave is restored to an original sequence. For example, the present technology can be applied to a technique of performing data transmission using an LDPC code.