H03M 13/1117
Using approximations for check node processing
Official title: {using approximations for check node processing, e.g. an outgoing message is depending on the signs and the minimum over the magnitudes of all incoming messages according to the min-sum rule}
H03M13/1117 (Using approximations for check node processing) appears on 423 US grants and 420 published applications in this corpus.
Search patents in H03M- Granted patents
- 423
- Published applications
- 420
- Assignees
- 189
- Inventors
- 658
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 |
| 2003 | 0 | 4 |
| 2004 | 0 | 14 |
| 2005 | 2 | 16 |
| 2006 | 5 | 7 |
| 2007 | 11 | 17 |
| 2008 | 16 | 22 |
| 2009 | 7 | 18 |
| 2010 | 9 | 22 |
| 2011 | 15 | 13 |
| 2012 | 28 | 18 |
| 2013 | 32 | 32 |
| 2014 | 37 | 32 |
| 2015 | 43 | 22 |
| 2016 | 29 | 28 |
| 2017 | 22 | 17 |
| 2018 | 19 | 19 |
| 2019 | 28 | 23 |
| 2020 | 27 | 15 |
| 2021 | 21 | 11 |
| 2022 | 20 | 21 |
| 2023 | 10 | 11 |
| 2024 | 17 | 11 |
| 2025 | 12 | 19 |
| 2026 | 12 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for decoding15 Sep 2026US RE51,036 E1Polar Technologies LLC
- Method and system for decoding15 Sep 2026US RE51,037 E1Polar Technologies LLC
- Receiver for adjusting log likelihood ratio and method of operating the same8 Sep 2026US 12,732,212 B2Samsung Electronics Co., Ltd.
- Method and system for decoding8 Sep 2026US RE51,025 E1Polar Technologies LLC
- Decoding using average and offset associated with confidence level values25 Aug 2026US 12,719,607 B2QUALCOMM Incorproated
- LDPC Code-Based Communication Method and Communication Apparatus27 Aug 2026US 2026/0254562 A1Huawei Technologies Co., Ltd.
- Multi-channel decoder with distributed scheduling18 Jun 2026US 2026/0172052 A1MaxLinear, Inc.
- Asymmetric hard read channel estimation in memory devices4 Jun 2026US 2026/0155839 A1
- Decoder circuit and decoding method capable of reducing number of read/write of memory to reduce power consumption23 Apr 2026US 2026/0113058 A1Silicon Motion, Inc.
- Decoding method, parameter training method, and apparatus16 Apr 2026US 2026/0106629 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Method and system for providing low density parity check (LDPC) encoding211US 7,191,378 B2The DIRECTV Group, Inc. · 2007
- Method and system for routing in low density parity check (LDPC) decoders175US 7,203,887 B2The DirectTV Group, Inc. · 2007
- Reduced-complexity decoding of parity check codes161US 7,752,523 B1Marvell International Ltd. · 2010
- Bit labeling for amplitude phase shift constellation used with low density parity check (LDPC) codes124US 6,963,622 B2The DIRECTV Group, Inc. · 2005
- Apparatus and method for receiving signal in a communication system using a low density parity check code95US 8,006,161 B2Samsung Electronics Co., Ltd. · 2011