H04L 27/2688
Resistance to perturbation
Official title: {Resistance to perturbation, e.g. noise, interference or fading}
H04L27/2688 (Resistance to perturbation) appears on 134 US grants and 153 published applications in this corpus.
Search patents in H04L- Granted patents
- 134
- Published applications
- 153
- Assignees
- 89
- Inventors
- 369
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 5 |
| 2007 | 0 | 4 |
| 2008 | 0 | 3 |
| 2009 | 4 | 5 |
| 2010 | 3 | 11 |
| 2011 | 5 | 9 |
| 2012 | 9 | 10 |
| 2013 | 13 | 13 |
| 2014 | 10 | 13 |
| 2015 | 17 | 10 |
| 2016 | 7 | 7 |
| 2017 | 10 | 11 |
| 2018 | 7 | 8 |
| 2019 | 10 | 10 |
| 2020 | 9 | 8 |
| 2021 | 7 | 7 |
| 2022 | 9 | 5 |
| 2023 | 8 | 5 |
| 2024 | 4 | 1 |
| 2025 | 1 | 4 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modulation classification and demodulation system with a neural network30 Sep 2025US 12,432,101 B2University of Dayton
- Iterative phase-noise cancellation12 Nov 2024US 12,143,258 B2QUALCOMM Incorporated
- Bandwidth constrained communication systems with frequency domain information processing17 Sep 2024US 12,095,605 B2Ntwine, LLC
- Synchronization in severe-fading environments23 Jul 2024US 12,047,892 B2Raytheon Technologies Corporation
- Method and apparatus for advanced OFDM triggering techniques25 Jun 2024US 12,021,677 B2Sirius XM Radio Inc.
- Modulation classification and demodulation system with a neural network16 Jul 2026US 2026/0205331 A1University of Dayton
- Communication method, apparatus, device, and system, and readable storage medium22 Jan 2026US 2026/0025247 A1Huawei Technologies Co., Ltd.
- Communication method, communication apparatus, and communication system15 Jan 2026US 2026/0019317 A1Huawei Technologies Co., Ltd.
- Electronic device and method for obtaining narrowband random access signal6 Nov 2025US 2025/0344256 A1Samsung Electronics Co., Ltd.
- Wireless communications synchronization17 Jul 2025US 2025/0234309 A1NXP B. V.
Most cited
By later US patents
- OFDM transmission/reception system and transmitting/receiving apparatus269US 5,694,389 AKabushiki Kaisha Toshiba · 1997
- Method, apparatus, and system for time synchronization152US 8,432,851 B2Huawei Technologies Co., Ltd. · 2013
- Communications system, communications method, transmitting apparatus, receiving apparatus and control program to variably adjust a symbol length28US 7,633,924 B2Ntt Docomo, Inc. · 2009
- Weak signal detection in wireless communication systems15US 8,335,283 B1Qualcomm Atheros, Inc. · 2012
- System and method for ISI based adaptive window synchronization14US 8,340,234 B1QUALCOMM Incorporated · 2012