H04L 25/0242
Using matrix methods
Official title: {using matrix methods}
H04L25/0242 (Using matrix methods) appears on 1,204 US grants and 1,341 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,204
- Published applications
- 1,341
- Assignees
- 353
- Inventors
- 2,278
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 8 |
| 2003 | 8 | 32 |
| 2004 | 11 | 44 |
| 2005 | 12 | 47 |
| 2006 | 26 | 62 |
| 2007 | 38 | 76 |
| 2008 | 40 | 67 |
| 2009 | 43 | 108 |
| 2010 | 64 | 112 |
| 2011 | 82 | 93 |
| 2012 | 116 | 82 |
| 2013 | 108 | 60 |
| 2014 | 118 | 50 |
| 2015 | 74 | 52 |
| 2016 | 58 | 48 |
| 2017 | 53 | 40 |
| 2018 | 39 | 40 |
| 2019 | 48 | 33 |
| 2020 | 37 | 40 |
| 2021 | 38 | 35 |
| 2022 | 31 | 45 |
| 2023 | 35 | 50 |
| 2024 | 41 | 47 |
| 2025 | 34 | 38 |
| 2026 | 27 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Communication devices and methods22 Sep 2026US 12,744,571 B2Sony Group Corporation
- Channel estimation based beam determination in holographic multiple-in multiple-out system15 Sep 2026US 12,738,988 B2QUALCOMM Incorporated
- Apparatus and method for performing communication based on timing alignment error (TAE) in wireless communication system25 Aug 2026US 12,719,729 B2Samsung Electronics Co., Ltd.
- Reduced complexity in uplink receive beamformer calculations21 Jul 2026US 12,689,421 B2Meta Platforms, Inc.
- Channel precoder selection for uplink wireless communications21 Jul 2026US 12,689,544 B2QUALCOMM Incorporated
- Techniques for sounding reference signal based beamforming8 Oct 2026US 2026/0312841 A1QUALCOMM Incorporated
- Time-of-arrival determination for wireless data communication8 Oct 2026US 2026/0313599 A1Nordic Semiconductor ASA
- Coordinated beamforming with separated singular value decomposition10 Sep 2026US 2026/0270120 A1Samsung Electronics Co., Ltd.
- Communication method and communication device27 Aug 2026US 2026/0254677 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Techniques for precoding signaling for wireless communications systems20 Aug 2026US 2026/0246506 A1QUALCOMM Incorporated
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
- 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
- Method and apparatus for closed loop data transmission295US 7,139,328 B2Motorola, Inc. · 2006