H04L 25/03898
Codebook-based design
Official title: {codebook-based design (selection of codebook or precoding matrix for MIMO diversity systems H04B7/0456)}
H04L25/03898 (Codebook-based design) appears on 632 US grants and 704 published applications in this corpus.
Search patents in H04L- Granted patents
- 632
- Published applications
- 704
- Assignees
- 124
- Inventors
- 868
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 7 |
| 2009 | 2 | 7 |
| 2010 | 0 | 8 |
| 2011 | 8 | 20 |
| 2012 | 17 | 52 |
| 2013 | 18 | 78 |
| 2014 | 69 | 84 |
| 2015 | 89 | 93 |
| 2016 | 77 | 47 |
| 2017 | 54 | 52 |
| 2018 | 57 | 56 |
| 2019 | 64 | 45 |
| 2020 | 55 | 35 |
| 2021 | 31 | 31 |
| 2022 | 27 | 24 |
| 2023 | 26 | 24 |
| 2024 | 20 | 16 |
| 2025 | 11 | 9 |
| 2026 | 7 | 12 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Receiving method and receiving apparatus30 Jun 2026US 12,671,470 B2Sun Patent Trust
- Method and apparatus for detecting user data of activated user using pilot and data in a grant-free wireless communication system19 May 2026US 12,634,169 B2Korea University Research and Business Foundation
- Mixed digital and subarray-based beamformer14 Apr 2026US 12,603,693 B2Nokia Solutions and Networks Oy
- Uplink grant downlink control information for frequency domain compressed uplink precoding3 Mar 2026US 12,568,501 B2QUALCOMM Incorporated
- 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
- Signal generating method and signal generating device2 Jul 2026US 2026/0189294 A1Sun Patent Trust
- Transmission method, transmission device, reception method, and reception device11 Jun 2026US 2026/0163775 A1Sun Patent Trust
- Reference signal received power based reconfigurable intelligent surface calibration21 May 2026US 2026/0142691 A1QUALCOMM Incorporated
Most cited
By later US patents
- System, method and apparatus for multi-input multi-output communications over per-transmitter power-constrained channels128US 9,503,170 B2Trustees of Tufts College · 2016
- Method for reducing inter-cell interference52US 8,369,788 B2LG Electronics Inc. · 2013
- Method and apparatus for mitigating interference in a wireless network through use of transmit beamforming45US 9,325,540 B2Marvell World Trade Ltd. · 2016
- Methods and systems for combined cyclic delay diversity and precoding of radio signals44US 8,068,555 B2Telefonaktiebolaget'l M Ericsson (Publ) · 2011
- Phase shift based precoding method and transceiver for supporting the same42US 8,284,849 B2LG Electronics Inc. · 2012