H04L 25/03178
Arrangements involving sequence estimation techniques
Official title: {Arrangements involving sequence estimation techniques}
H04L25/03178 (Arrangements involving sequence estimation techniques) appears on 2,400 US grants and 2,120 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,400
- Published applications
- 2,120
- Assignees
- 629
- Inventors
- 3,526
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 16 | 0 |
| 1995 | 16 | 0 |
| 1996 | 27 | 0 |
| 1997 | 19 | 0 |
| 1998 | 30 | 0 |
| 1999 | 41 | 0 |
| 2000 | 29 | 0 |
| 2001 | 41 | 17 |
| 2002 | 43 | 63 |
| 2003 | 38 | 58 |
| 2004 | 52 | 78 |
| 2005 | 43 | 80 |
| 2006 | 73 | 96 |
| 2007 | 67 | 97 |
| 2008 | 77 | 115 |
| 2009 | 77 | 130 |
| 2010 | 118 | 137 |
| 2011 | 106 | 113 |
| 2012 | 166 | 110 |
| 2013 | 170 | 108 |
| 2014 | 190 | 116 |
| 2015 | 149 | 98 |
| 2016 | 85 | 83 |
| 2017 | 106 | 111 |
| 2018 | 83 | 65 |
| 2019 | 112 | 85 |
| 2020 | 93 | 61 |
| 2021 | 59 | 57 |
| 2022 | 62 | 66 |
| 2023 | 58 | 54 |
| 2024 | 53 | 49 |
| 2025 | 35 | 42 |
| 2026 | 37 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 25/03248Arrangements for operating in conjunction with other apparatus1,152
- H04L 25/03203Trellis search techniques511
- H04L 25/03312Arrangements specific to the provision of output signals418
- H04L 25/03184Details concerning the metric342
- H04L 25/03305Joint sequence estimation and interference removal271
- H04L 25/03331Arrangements for the joint estimation of multiple sequences252
- H04L 25/03337Arrangements involving per-survivor processing92
Recent patents
- Data correction and phase optimization in high-speed receivers6 Oct 2026US 12,754,237 B2Diodes Incorporated
- Techniques to mitigate drift in bias voltages29 Sep 2026US 12,750,259 B2Micron Technology, Inc.
- Optimizing transmitter settings for in-band electrical interface between host device and optical module using out-of-band electrical interface29 Sep 2026US 12,750,260 B2Marvell Asia Pte Ltd
- Memory decision feedback equalizer15 Sep 2026US 12,739,154 B2
- Communication method and apparatus1 Sep 2026US 12,726,388 B2Huawei Technologies Co., Ltd.
- Mimo equalizer circuit, communication unit and method for successive interference cancellation1 Oct 2026US 2026/0303194 A1Accelercomm Limited
- Signal processing method, communication apparatus, communication system, and storage medium24 Sep 2026US 2026/0291783 A1Huawei Technologies Co., Ltd.
- Apparatus for long-reach, low-power active copper channels24 Sep 2026US 2026/0292969 A1
- Gauss frequency shift keying (gfsk) signal receiving method and apparatus, electronic device, and storage medium13 Aug 2026US 2026/0238524 A1Guangzhou Anyka Microelectronics Co., Ltd.
- Receiver and its operating method6 Aug 2026US 2026/0230353 A1Korea University Research and Business Foundation
Most cited
By later US patents
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Cellular/satellite communications system with improved frequency re-use360US 5,555,257 AEricsson GE Mobile Communications Inc. · 1996
- Spatio-temporal processing for interference handling318US 6,452,981 B1Cisco Systems, Inc. · 2002
- Iterative detection and decoding for a MIMO-OFDM system290US 7,154,936 B2QUALCOMM Incorporated · 2006
- Apparatus for delivery of energy to a surgical site289US 6,283,960 B1Oratec Interventions, Inc. · 2001