H04L 25/024
Channel estimation algorithms
Official title: {channel estimation algorithms}
H04L25/024 (Channel estimation algorithms) appears on 1,942 US grants and 2,350 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,942
- Published applications
- 2,350
- Assignees
- 536
- Inventors
- 3,745
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 9 | 11 |
| 2003 | 12 | 43 |
| 2004 | 13 | 54 |
| 2005 | 12 | 69 |
| 2006 | 38 | 76 |
| 2007 | 52 | 97 |
| 2008 | 51 | 88 |
| 2009 | 60 | 125 |
| 2010 | 82 | 135 |
| 2011 | 98 | 117 |
| 2012 | 134 | 108 |
| 2013 | 136 | 88 |
| 2014 | 168 | 74 |
| 2015 | 112 | 94 |
| 2016 | 94 | 70 |
| 2017 | 83 | 86 |
| 2018 | 66 | 83 |
| 2019 | 100 | 63 |
| 2020 | 72 | 68 |
| 2021 | 68 | 92 |
| 2022 | 64 | 122 |
| 2023 | 84 | 140 |
| 2024 | 100 | 169 |
| 2025 | 108 | 144 |
| 2026 | 89 | 134 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 25/0242Using matrix methods1,204
- H04L 25/025Using least-mean-square [lms] method297
- H04L 25/0256Channel estimation using minimum mean square error criteria192
- H04L 25/0254Using neural network algorithms185
- H04L 25/0258Channel estimation using zero-forcing criteria60
- H04L 25/0252Using third or higher order statistics21
Recent patents
- Capability and configuration of a device for providing channel state feedback6 Oct 2026US 12,756,598 B2QUALCOMM Incorporated
- Digital predistortion with hybrid basis-function-based actuator and neural network6 Oct 2026US 12,756,599 B2Analog Devices, Inc.
- Apparatus for transmitting and receiving signal29 Sep 2026US 12,750,161 B2Samsung Electronics Co., Ltd.
- Device and method for channel estimation using short/long-term memory network in millimeter-wave communication system29 Sep 2026US 12,750,256 B2Samsung Electronics Co., Ltd.
- Radio receiver device with a neural network, and related methods and computer programs29 Sep 2026US 12,750,257 B2Nokia Solutions and Networks Oy
- Techniques for sounding reference signal based beamforming8 Oct 2026US 2026/0312841 A1QUALCOMM Incorporated
- Method and apparatus for support of machine learning or artificial intelligence techniques in communication systems8 Oct 2026US 2026/0312842 A1Samsung Electronics Co., Ltd.
- Time-of-arrival determination for wireless data communication8 Oct 2026US 2026/0313599 A1Nordic Semiconductor ASA
- Coordination of channel estimation and decoding1 Oct 2026US 2026/0303411 A1Nokia Technologies Oy
- Electronic device for feeding back channel state information by using autoencoder based on modified split learning, and method of operating the same1 Oct 2026US 2026/0303415 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system793US 6,473,467 B1QUALCOMM Incorporated · 2002
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Processing of communications signals using machine learning352US 11,032,014 B2Virginia Tech Intellectual Properties, Inc. · 2021
- Spatio-temporal processing for interference handling318US 6,452,981 B1Cisco Systems, Inc. · 2002
- Method and apparatus for utilizing channel state information in a wireless communication system316US 6,771,706 B2QUALCOMM Incorporated · 2004