H03M 13/1111
Soft-decision decoding
Official title: {Soft-decision decoding, e.g. by means of message passing or belief propagation algorithms}
H03M13/1111 (Soft-decision decoding) appears on 1,587 US grants and 1,580 published applications in this corpus.
Search patents in H03M- Granted patents
- 1,587
- Published applications
- 1,580
- Assignees
- 387
- Inventors
- 1,896
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 4 |
| 2003 | 2 | 6 |
| 2004 | 4 | 25 |
| 2005 | 3 | 31 |
| 2006 | 14 | 24 |
| 2007 | 21 | 36 |
| 2008 | 30 | 43 |
| 2009 | 13 | 53 |
| 2010 | 32 | 65 |
| 2011 | 39 | 52 |
| 2012 | 79 | 41 |
| 2013 | 109 | 90 |
| 2014 | 115 | 102 |
| 2015 | 116 | 82 |
| 2016 | 101 | 89 |
| 2017 | 81 | 87 |
| 2018 | 72 | 91 |
| 2019 | 132 | 119 |
| 2020 | 126 | 111 |
| 2021 | 125 | 102 |
| 2022 | 96 | 71 |
| 2023 | 77 | 72 |
| 2024 | 94 | 75 |
| 2025 | 63 | 72 |
| 2026 | 41 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- LDPC encoding and decoding method and related apparatus29 Sep 2026US 12,750,069 B2Huawei Technologies Co., Ltd.
- Encoding metadata information in a codeword29 Sep 2026US 12,750,070 B2Micron Technology, Inc.
- Syndrome decoding system15 Sep 2026US 12,737,257 B2Micron Technology, Inc.
- Method and system for decoding15 Sep 2026US RE51,036 E1Polar Technologies LLC
- Method and system for decoding15 Sep 2026US RE51,037 E1Polar Technologies LLC
- Efficient dual sphere soft demapping for multi antenna communication systems1 Oct 2026US 2026/0303122 A1Avago Technologies International Sales Pte. Limited
- Decoder scheme capable of reducing frequency of memory reading and writing during iterative decoding procedure24 Sep 2026US 2026/0291523 A1Silicon Motion, Inc.
- Memory system that performs error correction using metric array and method of controlling the same17 Sep 2026US 2026/0280585 A1Kioxia Corporation
- Ranked successive detection and decoding method and receiver based on sparse code multiple access17 Sep 2026US 2026/0280586 A1Guangdong University of Technology
- Data storage device3 Sep 2026US 2026/0261272 A1SK hynix Inc.
Most cited
By later US patents
- Methods and apparatus for decoding LDPC codes319US 6,633,856 B2Flarion Technologies, Inc. · 2003
- Method and system for providing low density parity check (LDPC) encoding211US 7,191,378 B2The DIRECTV Group, Inc. · 2007
- Internal copy-back with read-verify199US 9,619,321 B1Seagate Technology LLC · 2017
- Encoding method using a low density parity check code with a column weight of two186US 7,058,873 B2Carnegie Mellon University · 2006
- Method and system for routing in low density parity check (LDPC) decoders175US 7,203,887 B2The DirectTV Group, Inc. · 2007