H04L 5/0007
The frequencies being orthogonal
Official title: {the frequencies being orthogonal, e.g. OFDM(A) or DMT}
H04L5/0007 (The frequencies being orthogonal) appears on 24,611 US grants and 30,754 published applications in this corpus.
Search patents in H04L- Granted patents
- 24,611
- Published applications
- 30,754
- Assignees
- 1,444
- Inventors
- 12,973
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 17 | 17 |
| 2002 | 34 | 62 |
| 2003 | 29 | 43 |
| 2004 | 22 | 55 |
| 2005 | 27 | 142 |
| 2006 | 67 | 163 |
| 2007 | 51 | 303 |
| 2008 | 98 | 459 |
| 2009 | 115 | 675 |
| 2010 | 231 | 699 |
| 2011 | 384 | 846 |
| 2012 | 579 | 891 |
| 2013 | 781 | 1115 |
| 2014 | 1016 | 1203 |
| 2015 | 1197 | 1533 |
| 2016 | 1376 | 1647 |
| 2017 | 1526 | 1591 |
| 2018 | 1444 | 1937 |
| 2019 | 1880 | 2439 |
| 2020 | 2122 | 2856 |
| 2021 | 2206 | 2572 |
| 2022 | 2211 | 2484 |
| 2023 | 2141 | 2354 |
| 2024 | 2182 | 2117 |
| 2025 | 1876 | 1564 |
| 2026 | 952 | 987 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Joint SRI and configuration information for UE6 Oct 2026US 12,756,430 B2Nokia Technologies Oy
- Enhanced frequency hopping for data transmissions6 Oct 2026US 12,756,507 B2Intel Corporation
- Reference signal measurement mechanisms during secondary cell activation in new radio6 Oct 2026US 12,756,509 B2Apple Inc.
- Midamble operation in a wireless local area network6 Oct 2026US 12,756,510 B2Avalon Technology Solutions LLC
- Techniques for cross-link interference measurement prioritization6 Oct 2026US 12,756,526 B2QUALCOMM Incorporated
- Precoder selection for minimizing impact of cyclic shift port virtualization on communication performance in joint communication and sensing8 Oct 2026US 2026/0312668 A1Mediatek Inc.
- Enhanced Long Range Communication Schemes In Wireless Communications8 Oct 2026US 2026/0312715 A1Mediatek Inc.
- Self-adaptive waveform design method for unmanned aerial vehicle (uav)-enabled integrated sensing and communication (isac)8 Oct 2026US 2026/0312742 A1University of Electronic Science and Technology of China
- Sensing signal transmission method, electronic device, and storage medium8 Oct 2026US 2026/0312743 A1Zte Corporation
- Terminal apparatus and base station apparatus8 Oct 2026US 2026/0312744 A1Sharp Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum691US 5,282,222 A1994
- Synchronous coherent orthogonal frequency division multiplexing system, method, software and device653US 5,867,478 AMotorola, Inc. · 1999
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Method for frequency division duplex communications526US 5,933,421 AAT&T Wireless Services, Inc. · 1999
- Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof438US 6,175,550 B1Lucent Technologies Inc. · 2001