H04L 27/2666
Acquisition of further ofdm parameters
Official title: {Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length}
H04L27/2666 (Acquisition of further ofdm parameters) appears on 928 US grants and 1,075 published applications in this corpus.
Search patents in H04L- Granted patents
- 928
- Published applications
- 1,075
- Assignees
- 231
- Inventors
- 1,574
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 4 |
| 2002 | 0 | 3 |
| 2003 | 0 | 2 |
| 2004 | 3 | 3 |
| 2005 | 5 | 3 |
| 2006 | 3 | 7 |
| 2007 | 3 | 6 |
| 2008 | 2 | 9 |
| 2009 | 5 | 15 |
| 2010 | 5 | 9 |
| 2011 | 9 | 22 |
| 2012 | 18 | 25 |
| 2013 | 22 | 34 |
| 2014 | 43 | 33 |
| 2015 | 34 | 43 |
| 2016 | 35 | 42 |
| 2017 | 40 | 61 |
| 2018 | 49 | 66 |
| 2019 | 65 | 182 |
| 2020 | 126 | 122 |
| 2021 | 134 | 98 |
| 2022 | 87 | 68 |
| 2023 | 85 | 65 |
| 2024 | 83 | 60 |
| 2025 | 49 | 51 |
| 2026 | 20 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Physical layer frame format for long range WLAN116US 8,867,653 B2Marvell World Trade Ltd. · 2014
- Random access preamble transmission94US 8,644,129 B2Ofinno Technologies, LLC · 2014
- Time alignment in multicarrier OFDM network89US 8,395,985 B2Ofinno Technologies, LLC · 2013
- Carrier grouping in multicarrier communications88US 9,397,875 B2Ofinno Technologies, LLC · 2016
- Transmission timing in a carrier group87US 8,699,317 B2Ofinno Technologies, LLC · 2014