H04B 7/0626
Channel coefficients
Official title: {Channel coefficients, e.g. channel state information [CSI]}
H04B7/0626 (Channel coefficients) appears on 5,761 US grants and 8,528 published applications in this corpus.
Search patents in H04B- Granted patents
- 5,761
- Published applications
- 8,528
- Assignees
- 551
- Inventors
- 5,546
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 2 |
| 2002 | 5 | 7 |
| 2003 | 2 | 19 |
| 2004 | 4 | 18 |
| 2005 | 8 | 31 |
| 2006 | 20 | 36 |
| 2007 | 12 | 50 |
| 2008 | 17 | 30 |
| 2009 | 31 | 50 |
| 2010 | 26 | 72 |
| 2011 | 46 | 106 |
| 2012 | 64 | 161 |
| 2013 | 90 | 215 |
| 2014 | 192 | 210 |
| 2015 | 200 | 358 |
| 2016 | 263 | 325 |
| 2017 | 304 | 325 |
| 2018 | 320 | 471 |
| 2019 | 463 | 606 |
| 2020 | 567 | 754 |
| 2021 | 521 | 662 |
| 2022 | 547 | 628 |
| 2023 | 538 | 675 |
| 2024 | 562 | 859 |
| 2025 | 504 | 947 |
| 2026 | 448 | 911 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reference signal port mapping6 Oct 2026US 12,756,434 B2Telefonaktiebolaget LM Ericsson (publ)
- Enhanced beam-based codebook subset restriction signaling6 Oct 2026US 12,756,435 B2Telefonaktiebolaget LM Ericsson (publ)
- Methods and apparatus for using a master device to mitigate and/or avoid interference in uncoordinated networks6 Oct 2026US 12,756,441 B2Charter Communications Operating, LLC
- Information transmission method and apparatus, communication node, and storage medium6 Oct 2026US 12,756,442 B2Zte Corporation
- Information transmission method, device, and storage medium6 Oct 2026US 12,756,443 B2Zte Corporation
- Processing unit occupancy rules and prioritization rules for artificial intelligence enabled use cases8 Oct 2026US 2026/0310516 A1Apple Inc.
- Apparatus and method for position estimation based on distance-based channel charting with velocity and map information8 Oct 2026US 2026/0310961 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Techniques for supporting coherent joint transmission with multiple transmission and reception points8 Oct 2026US 2026/0312636 A1Apple Inc.
- Beam reporting method and apparatus, electronic device, and storage medium8 Oct 2026US 2026/0312642 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Method and apparatus for feeding back channel state information8 Oct 2026US 2026/0312643 A1Fujitsu Limited
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
- Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information377US 6,785,341 B2QUALCOMM Incorporated · 2004
- 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