H04L 25/03891
Spatial equalizers
Official title: {Spatial equalizers (MIMO diversity systems H04B7/0413)}
H04L25/03891 (Spatial equalizers) appears on 1,395 US grants and 1,439 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,395
- Published applications
- 1,439
- Assignees
- 300
- Inventors
- 1,966
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 7 |
| 2008 | 3 | 13 |
| 2009 | 3 | 13 |
| 2010 | 2 | 20 |
| 2011 | 15 | 42 |
| 2012 | 41 | 109 |
| 2013 | 64 | 161 |
| 2014 | 168 | 186 |
| 2015 | 219 | 181 |
| 2016 | 154 | 94 |
| 2017 | 133 | 113 |
| 2018 | 106 | 105 |
| 2019 | 118 | 82 |
| 2020 | 112 | 70 |
| 2021 | 67 | 60 |
| 2022 | 49 | 44 |
| 2023 | 50 | 53 |
| 2024 | 41 | 32 |
| 2025 | 32 | 21 |
| 2026 | 17 | 24 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems for providing synchronized FFE in SerDes transmitters22 Sep 2026US 12,744,694 B2Samsung Electronics Co., Ltd.
- Broadcast signal transmission method, broadcast signal transmission apparatus, broadcast signal reception method, and broadcast signal reception apparatus15 Sep 2026US 12,738,992 B2Sun Patent Trust
- Memory decision feedback equalizer15 Sep 2026US 12,739,154 B2
- Memory device, integrated circuit device, and operation method of integrated circuit device28 Jul 2026US 12,695,452 B2Samsung Electronics Co., Ltd.
- Pre-coding method and transmitter21 Jul 2026US 12,689,416 B2Sun Patent Trust
- A mimo equaliser circuit for successive interference cancellation and method therefor8 Oct 2026US 2026/0312634 A1Accelercomm Limited
- Mimo equalizer circuit, communication unit and method for successive interference cancellation1 Oct 2026US 2026/0303194 A1Accelercomm Limited
- Reciprocity-aided interference suppression via eigen beamforming17 Sep 2026US 2026/0280630 A1Telefonaktiebolaget LM Ericsson (publ)
- Enhanced PTRS to DMRS Port Mapping for Multi-Codeword and Multi-Panel Transmission10 Sep 2026US 2026/0270121 A1
- Commutated radio spatial estimation20 Aug 2026US 2026/0246669 A1DeepSig Inc.
Most cited
By later US patents
- Transmission device with channel equalization and control and methods for use therewith474US 9,680,670 B2AT&T Intellectual Property I, L. P. · 2017
- Iterative detection and decoding for a MIMO-OFDM system290US 7,154,936 B2QUALCOMM Incorporated · 2006
- Methods and apparatus for inducing electromagnetic waves within pathways of a cable205US 10,411,920 B2AT&T Intellectual Property I, L. P. · 2019
- System and method for distributed antenna wireless communications182US 8,654,815 B1Rearden, LLC · 2014
- Inter-cell interference avoidance for downlink transmission149US 8,238,954 B2Samsung Electronics Co., Ltd. · 2012