H04L 25/0248
Eigen-space methods
Official title: {Eigen-space methods}
H04L25/0248 (Eigen-space methods) appears on 335 US grants and 397 published applications in this corpus.
Search patents in H04L- Granted patents
- 335
- Published applications
- 397
- Assignees
- 146
- Inventors
- 754
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 0 | 12 |
| 2004 | 3 | 12 |
| 2005 | 5 | 14 |
| 2006 | 8 | 23 |
| 2007 | 6 | 27 |
| 2008 | 11 | 16 |
| 2009 | 14 | 31 |
| 2010 | 16 | 27 |
| 2011 | 16 | 28 |
| 2012 | 33 | 26 |
| 2013 | 30 | 18 |
| 2014 | 30 | 19 |
| 2015 | 27 | 12 |
| 2016 | 18 | 8 |
| 2017 | 8 | 13 |
| 2018 | 13 | 9 |
| 2019 | 16 | 13 |
| 2020 | 12 | 13 |
| 2021 | 15 | 15 |
| 2022 | 12 | 16 |
| 2023 | 13 | 11 |
| 2024 | 11 | 12 |
| 2025 | 9 | 10 |
| 2026 | 6 | 9 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Communication devices and methods22 Sep 2026US 12,744,571 B2Sony Group Corporation
- Communication method and apparatus14 Jul 2026US 12,683,667 B2Huawei Technologies Co., Ltd.
- Channel compression for channel feedback reporting19 May 2026US 12,633,981 B2QUALCOMM Incorporated
- Method and apparatus for sidelink transmission in wireless communication system5 May 2026US 12,621,024 B2Samsung Electronics Co., Ltd.
- Estimation method and estimation device24 Mar 2026US 12,587,251 B2Panasonic Intellectual Property Management Co., Ltd.
- Time-of-arrival determination for wireless data communication8 Oct 2026US 2026/0313599 A1Nordic Semiconductor ASA
- Techniques for precoding signaling for wireless communications systems20 Aug 2026US 2026/0246506 A1QUALCOMM Incorporated
- Channel covariance information for mode adaptation13 Aug 2026US 2026/0238289 A1QUALCOMM Incorporated
- Channel prediction to combat channel-aging with low complexity13 Aug 2026US 2026/0238520 A1NEC Corporation
- Signal processing method and apparatus, and storage medium6 Aug 2026US 2026/0230350 A1Datang Mobile Communications Equipment 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
- Method and apparatus for utilizing channel state information in a wireless communication system316US 6,771,706 B2QUALCOMM Incorporated · 2004
- Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission267US 6,751,187 B2QUALCOMM Incorporated · 2004
- Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion243US 7,072,413 B2QUALCOMM Incorporated · 2006
- Method and apparatus for multi-antenna transmission194US 6,927,728 B2Motorola, Inc. · 2005