H04B 7/0452
Multi-user mimo systems
Official title: Multi-user MIMO systems
H04B7/0452 (Multi-user mimo systems) appears on 4,052 US grants and 4,756 published applications in this corpus.
Search patents in H04B- Granted patents
- 4,052
- Published applications
- 4,756
- Assignees
- 550
- Inventors
- 4,539
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 13 |
| 2005 | 0 | 8 |
| 2006 | 4 | 22 |
| 2007 | 5 | 46 |
| 2008 | 11 | 70 |
| 2009 | 16 | 64 |
| 2010 | 26 | 115 |
| 2011 | 53 | 130 |
| 2012 | 88 | 186 |
| 2013 | 135 | 205 |
| 2014 | 210 | 241 |
| 2015 | 263 | 343 |
| 2016 | 280 | 348 |
| 2017 | 286 | 388 |
| 2018 | 360 | 427 |
| 2019 | 456 | 389 |
| 2020 | 425 | 316 |
| 2021 | 304 | 302 |
| 2022 | 298 | 283 |
| 2023 | 272 | 245 |
| 2024 | 243 | 260 |
| 2025 | 195 | 197 |
| 2026 | 121 | 155 |
By publication year. 2026 runs to 8 Oct.
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
- Method and apparatus for managing resource of cell-free massive multiple input multiple output network system, and storage medium storing instructions to perform method for managing resource of cell-free massive multiple input multiple output network system6 Oct 2026US 12,757,172 B2Korea Advanced Institute of Science and Technology
- Method for transmitting frame using selective beamforming and apparatus for performing the method6 Oct 2026US 12,757,178 B2Electronics and Telecommunications Research Institute
- Assisted multi-user multi-input multi-output (MU-MIMO) communication system29 Sep 2026US 12,750,098 B2Apple Inc.
- Method and apparatus of multi-user selection for multi-user MIMO29 Sep 2026US 12,750,099 B2Senscomm Semiconductor Co., Ltd.
- Method and device for carrying out multi-layer transmission in wireless lan system8 Oct 2026US 2026/0312637 A1LG Electronics Inc.
- Access point, terminal, and communication method8 Oct 2026US 2026/0313432 A1Panasonic Intellectual Property Corporation of America
- Method and apparatus for allocating visible area in communication system having very large scale multiple input multiple output8 Oct 2026US 2026/0313671 A1Hyundai Motor Company
- Antenna Power Scaling in Fronthaul Lower Layer Split1 Oct 2026US 2026/0303165 A1Telefonaktiebolaget LM Ericsson (publ)
- Communication devices and methods1 Oct 2026US 2026/0303179 A1Sony Group Corporation
Most cited
By later US patents
- System and method for distributed input distributed output wireless communications272US 7,599,420 B2Rearden, LLC · 2009
- Wireless network that utilizes concurrent interfering transmission and MIMO techniques236US 8,126,396 B2Broadcom Corporation · 2012
- Implementing MIMO in mmWave wireless communication systems233US 9,537,546 B2Intel Corporation · 2017
- System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS)230US 9,312,929 B2Rearden, LLC · 2016
- Wireless communication system and method using multiple antennas223US 7,406,337 B2Samsung Electronics Co., Ltd. · 2008