H04B 7/0456
Selection of precoding matrices or codebooks
Official title: Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
H04B7/0456 (Selection of precoding matrices or codebooks) appears on 6,823 US grants and 8,390 published applications in this corpus.
Search patents in H04B- Granted patents
- 6,823
- Published applications
- 8,390
- Assignees
- 648
- Inventors
- 5,985
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 9 |
| 2005 | 3 | 12 |
| 2006 | 4 | 7 |
| 2007 | 6 | 30 |
| 2008 | 1 | 51 |
| 2009 | 9 | 44 |
| 2010 | 23 | 97 |
| 2011 | 40 | 151 |
| 2012 | 118 | 207 |
| 2013 | 141 | 419 |
| 2014 | 339 | 414 |
| 2015 | 446 | 476 |
| 2016 | 439 | 521 |
| 2017 | 432 | 454 |
| 2018 | 500 | 560 |
| 2019 | 612 | 630 |
| 2020 | 630 | 753 |
| 2021 | 615 | 608 |
| 2022 | 575 | 620 |
| 2023 | 535 | 613 |
| 2024 | 546 | 657 |
| 2025 | 496 | 608 |
| 2026 | 309 | 447 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and design method of antenna filter unit (AFU) of a massive MIMO radio unit6 Oct 2026US 12,756,433 B2Jio Platforms Limited
- 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)
- Beamforming communication system with crossbar switch6 Oct 2026US 12,756,436 B2Skyworks Solutions, Inc.
- Apparatus and method of uplink beamforming in wireless local area network system6 Oct 2026US 12,756,439 B2Samsung Electronics Co., Ltd.
- Digital beam forming receive path8 Oct 2026US 2026/0312638 A1SatixFy UK Limited
- Wireless communication system, wireless communication device, wireless communication method, and wireless communication program8 Oct 2026US 2026/0312639 A1NTT, Inc.
- Self-supervised method for accelerated training of neural communication receivers8 Oct 2026US 2026/0312708 A1
- Signal layer combination precoding indication signaling1 Oct 2026US 2026/0303155 A1QUALCOMM Incorporated
- Method and device for performing uplink transmission and reception in wireless communication system1 Oct 2026US 2026/0303156 A1LG Electronics Inc.
Most cited
By later US patents
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Method and apparatus for optimization of wireless multipoint electromagnetic communication networks446US 7,248,841 B22007
- Wireless device for determining a best antenna beam and method thereof357US 11,063,653 B2Telefonaktiebolaget LM Ericsson (publ) · 2021
- Spatio-temporal processing for interference handling318US 6,452,981 B1Cisco Systems, Inc. · 2002
- Apparatus and methods for transmitting or receiving electromagnetic waves212US 10,405,199 B1AT&T Intellectual Property I, L. P. · 2019