H04L 27/2673
Characterised by synchronisation parameters
Official title: {characterised by synchronisation parameters}
H04L27/2673 (Characterised by synchronisation parameters) appears on 2,150 US grants and 2,191 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,150
- Published applications
- 2,191
- Assignees
- 620
- Inventors
- 3,729
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 23 | 0 |
| 2000 | 29 | 0 |
| 2001 | 22 | 5 |
| 2002 | 22 | 32 |
| 2003 | 28 | 47 |
| 2004 | 28 | 71 |
| 2005 | 29 | 73 |
| 2006 | 54 | 79 |
| 2007 | 63 | 99 |
| 2008 | 55 | 135 |
| 2009 | 77 | 126 |
| 2010 | 116 | 120 |
| 2011 | 120 | 84 |
| 2012 | 137 | 81 |
| 2013 | 137 | 82 |
| 2014 | 119 | 73 |
| 2015 | 96 | 74 |
| 2016 | 91 | 75 |
| 2017 | 81 | 100 |
| 2018 | 73 | 94 |
| 2019 | 99 | 127 |
| 2020 | 126 | 126 |
| 2021 | 118 | 99 |
| 2022 | 98 | 100 |
| 2023 | 88 | 78 |
| 2024 | 73 | 68 |
| 2025 | 70 | 77 |
| 2026 | 37 | 66 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for performing channel estimation for uplink data in NB-IoT physical layer18 Aug 2026US 12,712,764 B2Rakuten Symphony, Inc.
- Asynchronous non-orthogonal multiple access for ambient internet of things (AIoT) devices18 Aug 2026US 12,712,776 B2Lenovo (United States) Inc.
- Joint sensing and communications using OFDM waveforms11 Aug 2026US 12,704,587 B2Rutgers, The State University of Jersey
- Methods, apparatus, and systems for delay spread measurement, reporting, and cyclic prefix determination11 Aug 2026US 12,706,653 B2InterDigital Patent Holdings, Inc.
- Method and device for providing remote interference management reference signal, and storage medium11 Aug 2026US 12,706,714 B2Samsung Electronics Co., Ltd.
- Sensing signal transmission method, electronic device, and storage medium8 Oct 2026US 2026/0312743 A1Zte Corporation
- Methods for cyclic prefix handling for low-power receivers8 Oct 2026US 2026/0312858 A1
- Method of creating embedded components on an antenna substrate and antenna apparatus formed with same1 Oct 2026US 2026/0303425 A1ViaSat, Inc.
- Number of supported ul muting patterns per pusch type and per slot1 Oct 2026US 2026/0303431 A1QUALCOMM Incorporated
- Artificial intelligence-driven coexistence management system for multi-protocol wireless communications1 Oct 2026US 2026/0304145 A1Silicon Laboratories Inc.
Most cited
By later US patents
- Timing and frequency synchronization of OFDM signals425US 5,732,113 AStanford University · 1998
- System and method for distributed input distributed output wireless communications272US 7,599,420 B2Rearden, LLC · 2009
- OFDM transmission/reception system and transmitting/receiving apparatus269US 5,694,389 AKabushiki Kaisha Toshiba · 1997
- Method and apparatus for digital signal transmission using orthogonal frequency division multiplexing241US 5,406,551 ANippon Hoso Kyokai · 1995
- Multimode digital modem240US 6,055,268 ATexas Instruments Incorporated · 2000