H04L 1/0054
Maximum-likelihood or sequential decoding
Official title: {Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms}
H04L1/0054 (Maximum-likelihood or sequential decoding) appears on 1,996 US grants and 1,488 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,996
- Published applications
- 1,488
- Assignees
- 514
- Inventors
- 2,771
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 19 | 0 |
| 1996 | 23 | 0 |
| 1997 | 22 | 0 |
| 1998 | 45 | 0 |
| 1999 | 64 | 0 |
| 2000 | 59 | 0 |
| 2001 | 66 | 26 |
| 2002 | 63 | 89 |
| 2003 | 48 | 73 |
| 2004 | 77 | 84 |
| 2005 | 63 | 69 |
| 2006 | 91 | 63 |
| 2007 | 77 | 86 |
| 2008 | 60 | 70 |
| 2009 | 62 | 84 |
| 2010 | 106 | 68 |
| 2011 | 84 | 59 |
| 2012 | 98 | 45 |
| 2013 | 100 | 69 |
| 2014 | 107 | 81 |
| 2015 | 128 | 100 |
| 2016 | 80 | 55 |
| 2017 | 70 | 66 |
| 2018 | 53 | 61 |
| 2019 | 75 | 51 |
| 2020 | 56 | 51 |
| 2021 | 34 | 32 |
| 2022 | 45 | 30 |
| 2023 | 25 | 26 |
| 2024 | 19 | 19 |
| 2025 | 20 | 15 |
| 2026 | 13 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Small-signal centric scalable, massive signal processing gain architecture29 Sep 2026US 12,750,123 B2ViaSat, Inc.
- State reduction for sequence estimation based on signal quality29 Sep 2026US 12,750,162 B2QUALCOMM Incorporated
- Polar coding for beam sweeping broadcast channel18 Aug 2026US 12,713,407 B2Telefonaktiebolaget LM Ericsson (publ)
- Non-binary GF(q) polar successive cancellation decoder and fast decoding of special nodes28 Jul 2026US 12,695,541 B2QUALCOMM Incorporated
- Decoding circuit, decoding method and computer program28 Jul 2026US 12,695,542 B2NTT, Inc.
- Recovery mechanism for a sequence misdetection8 Oct 2026US 2026/0312722 A1QUALCOMM Incorporated
- Soft information generation for concatenated forward error correction in digital signal processing23 Jul 2026US 2026/0213774 A1Avago Technologies International Sales Pte. Limited
- Batch dynamic successive cancellation flip decoding of polar codes25 Jun 2026US 2026/0180598 A1Apple Inc.
- State reduction for sequence estimation18 Jun 2026US 2026/0172143 A1QUALCOMM Incorporated
- State reduction for sequence estimation based on signal quality18 Jun 2026US 2026/0172144 A1QUALCOMM Incorporated
Most cited
By later US patents
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Hybrid concatenated codes and iterative decoding483US 6,023,783 ACalifornia Institute of Technology · 2000
- Means and method for a synchronous network communications system357US 6,377,640 B2Stanford Syncom, Inc. · 2002
- Adaptive data rate modem346US 5,541,955 APericle Communications Company · 1996
- Spatio-temporal processing for interference handling318US 6,452,981 B1Cisco Systems, Inc. · 2002