H04L 25/0212
Of impulse response
Official title: {of impulse response}
H04L25/0212 (Of impulse response) appears on 1,527 US grants and 1,640 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,527
- Published applications
- 1,640
- Assignees
- 477
- Inventors
- 2,802
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 4 | 0 |
| 2001 | 15 | 9 |
| 2002 | 25 | 51 |
| 2003 | 17 | 49 |
| 2004 | 28 | 61 |
| 2005 | 27 | 67 |
| 2006 | 69 | 77 |
| 2007 | 45 | 69 |
| 2008 | 55 | 88 |
| 2009 | 56 | 95 |
| 2010 | 75 | 105 |
| 2011 | 87 | 86 |
| 2012 | 94 | 73 |
| 2013 | 126 | 58 |
| 2014 | 97 | 72 |
| 2015 | 85 | 55 |
| 2016 | 51 | 40 |
| 2017 | 55 | 53 |
| 2018 | 42 | 39 |
| 2019 | 61 | 48 |
| 2020 | 49 | 54 |
| 2021 | 53 | 77 |
| 2022 | 54 | 57 |
| 2023 | 51 | 66 |
| 2024 | 52 | 63 |
| 2025 | 55 | 70 |
| 2026 | 47 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Network assisted time reversal radio frequency sensing22 Sep 2026US 12,744,691 B2QUALCOMM Incorproated
- High precision timestamp detection for improved cable modem clock synchronization15 Sep 2026US 12,739,092 B2MaxLinear, Inc.
- Infrastructure equipment, communications devices and methods1 Sep 2026US 12,726,299 B2Sony Group Corporation
- Device with steering and channel stitching for an extended bandwidth1 Sep 2026US 12,726,384 B2NXP B. V.
- Method and device for channel prediction in wireless communication systems25 Aug 2026US 12,719,720 B2NEC Corporation
- Smooshed bmocz zero-constellation for cfo estimation without channel coding1 Oct 2026US 2026/0303412 A1University of South Carolina
- Communication device and method for performing sensing24 Sep 2026US 2026/0291780 A1Realtek Semiconductor Corp.
- Dynamic beams for a customer premises equipment17 Sep 2026US 2026/0280631 A1QUALCOMM Incorporated
- Compact frequency spectrum detector10 Sep 2026US 2026/0269852 A1Allegro MicroSystems, LLC
- Channel estimation method and information processing apparatus3 Sep 2026US 2026/0261455 A1Fujitsu Limited
Most cited
By later US patents
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Code division multiple access (CDMA) communication system333US 6,157,619 AInterDigital Technology Corporation · 2000
- Spatio-temporal processing for interference handling318US 6,452,981 B1Cisco Systems, Inc. · 2002
- Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices252US 7,599,332 B2QUALCOMM Incorporated · 2009
- Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration242US 6,862,440 B2Intel Corporation · 2005