H04L 1/006
Trellis-coded modulation
Official title: {Trellis-coded modulation}
H04L1/006 (Trellis-coded modulation) appears on 893 US grants and 772 published applications in this corpus.
Search patents in H04L- Granted patents
- 893
- Published applications
- 772
- Assignees
- 227
- Inventors
- 894
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 19 | 0 |
| 2000 | 19 | 0 |
| 2001 | 24 | 15 |
| 2002 | 29 | 60 |
| 2003 | 32 | 42 |
| 2004 | 42 | 81 |
| 2005 | 37 | 69 |
| 2006 | 55 | 34 |
| 2007 | 58 | 54 |
| 2008 | 56 | 52 |
| 2009 | 48 | 76 |
| 2010 | 62 | 65 |
| 2011 | 49 | 44 |
| 2012 | 75 | 30 |
| 2013 | 56 | 18 |
| 2014 | 47 | 22 |
| 2015 | 42 | 20 |
| 2016 | 21 | 16 |
| 2017 | 18 | 13 |
| 2018 | 21 | 18 |
| 2019 | 16 | 17 |
| 2020 | 12 | 7 |
| 2021 | 5 | 5 |
| 2022 | 4 | 4 |
| 2023 | 2 | 0 |
| 2024 | 2 | 6 |
| 2025 | 5 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Balanced coding scheme11 Aug 2026US 12,706,692 B2QUALCOMM Incorporated
- Information processing method and communication apparatus for improving channel encoding between devices3 Feb 2026US 12,542,621 B2Huawei Technologies Co., Ltd.
- Systems and methods for communicating using short messages16 Sep 2025US 12,418,361 B2The Regents of the University of California
- Link loss detection9 Sep 2025US 12,413,262 B2MaxLinear, Inc.
- Method and apparatus for decoding polarization-adjusted convolutional code by using list Viterbi algorithm adjusting list size dynamically19 Aug 2025US 12,395,191 B2Samsung Electronics Co., Ltd.
- Appending a sideband signaling bit to a transition group pattern1 Oct 2026US 2026/0303259 A1Microchip Technology Incorporated
- Generating and ordering symbols emulating lower-order modulation schemes in a higher-order constellation5 Feb 2026US 2026/0039316 A1Microchip Technology Incorporated
- Link loss detection8 Jan 2026US 2026/0012223 A1MaxLinear, Inc.
- Reducing startup time of a trellis-based mlse decoder27 Mar 2025US 2025/0105943 A1Microchip Technology Incorporated
- Method and apparatus for decoding polarization-adjusted convolutional code by using list viterbi algorithm adjusting list size dynamically17 Oct 2024US 2024/0348366 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant683US 5,991,308 ATerayon Communication Systems, Inc. · 1999
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Apparatus and method for equalization in distributed digital data transmission systems321US 6,665,308 B1Terayon Communication Systems, Inc. · 2003
- Spatio-temporal processing for interference handling318US 6,452,981 B1Cisco Systems, Inc. · 2002
- Updating of bit allocations in a multicarrier modulation transmission system303US 5,400,322 AAmati Communications Corporation · 1995