H04B 17/3911
Fading models or fading generators
Official title: {Fading models or fading generators}
H04B17/3911 (Fading models or fading generators) appears on 224 US grants and 243 published applications in this corpus.
Search patents in H04B- Granted patents
- 224
- Published applications
- 243
- Assignees
- 107
- Inventors
- 385
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 4 |
| 2008 | 0 | 4 |
| 2009 | 2 | 3 |
| 2010 | 2 | 4 |
| 2011 | 3 | 7 |
| 2012 | 4 | 11 |
| 2013 | 6 | 5 |
| 2014 | 12 | 20 |
| 2015 | 11 | 14 |
| 2016 | 15 | 10 |
| 2017 | 15 | 21 |
| 2018 | 16 | 11 |
| 2019 | 18 | 23 |
| 2020 | 20 | 14 |
| 2021 | 14 | 11 |
| 2022 | 7 | 11 |
| 2023 | 17 | 15 |
| 2024 | 14 | 17 |
| 2025 | 22 | 21 |
| 2026 | 12 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, methods, and devices having databases and automated reports for electronic spectrum management22 Sep 2026US 12,745,117 B2Digital Global Systems, Inc.
- Round-trip phase ranging in the presence of deep fade15 Sep 2026US 12,736,649 B2QUALCOMM Incorporated
- Systems, methods, and devices having databases and automated reports for electronic spectrum management18 Aug 2026US 12,713,260 B2Digital Global Systems, Inc.
- Adaptive MTI-based RF sensing in cellular systems4 Aug 2026US 12,700,933 B2QUALCOMM Incorporated
- Systems, methods, and devices for electronic spectrum management21 Jul 2026US 12,689,923 B2Digital Global Systems, Inc.
- Method, apparatus, and system for environment aware mimo for high frequency10 Sep 2026US 2026/0269909 A1Huawei Technologies Co., Ltd.
- Systems and methods for spectrum analysis utilizing signal degradation data6 Aug 2026US 2026/0230199 A1Digital Global Systems, Inc.
- Systems, methods, and devices for electronic spectrum management9 Jul 2026US 2026/0197103 A1Digital Global Systems, Inc.
- Systems, methods, and devices having databases and automated reports for electronic spectrum management2 Jul 2026US 2026/0189949 A1Digital Global Systems, Inc.
- Systems, methods, and devices having databases and automated reports for electronic spectrum management4 Jun 2026US 2026/0156506 A1Digital Global Systems, Inc.
Most cited
By later US patents
- Method and system for detecting and resolving anomalies in a wireless network408US 10,917,797 B2Spectrum Effect Inc. · 2021
- Localization of external interference in wireless networks312US 10,605,890 B1Spectrum Effect Inc. · 2020
- Systems, methods, and devices for electronic spectrum management273US 11,637,641 B1Digital Global Systems, Inc. · 2023
- Systems, methods, and devices for electronic spectrum management215US 8,780,968 B1DGS Global Systems, Inc. · 2014
- Fading frequency estimating apparatus201US 7,043,207 B2Fujitsu Limited · 2006