H04L 27/2655
Synchronisation arrangements
Official title: {Synchronisation arrangements}
H04L27/2655 (Synchronisation arrangements) appears on 6,234 US grants and 6,760 published applications in this corpus.
Search patents in H04L- Granted patents
- 6,234
- Published applications
- 6,760
- Assignees
- 1,111
- Inventors
- 7,562
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 28 | 0 |
| 2000 | 41 | 0 |
| 2001 | 38 | 17 |
| 2002 | 46 | 68 |
| 2003 | 55 | 88 |
| 2004 | 48 | 137 |
| 2005 | 61 | 145 |
| 2006 | 103 | 165 |
| 2007 | 108 | 262 |
| 2008 | 131 | 283 |
| 2009 | 147 | 307 |
| 2010 | 224 | 281 |
| 2011 | 248 | 236 |
| 2012 | 326 | 222 |
| 2013 | 323 | 268 |
| 2014 | 340 | 271 |
| 2015 | 343 | 317 |
| 2016 | 309 | 303 |
| 2017 | 307 | 356 |
| 2018 | 304 | 381 |
| 2019 | 390 | 540 |
| 2020 | 496 | 482 |
| 2021 | 466 | 363 |
| 2022 | 349 | 338 |
| 2023 | 340 | 274 |
| 2024 | 292 | 237 |
| 2025 | 209 | 223 |
| 2026 | 103 | 196 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 27/2668Details of algorithms2,457
- H04L 27/2657Carrier synchronisation2,253
- H04L 27/2662Symbol synchronisation2,008
- H04L 27/2689Link with other circuits, i.e. special connections between synchronisation arrangements and other1,237
- H04L 27/2666Acquisition of further ofdm parameters928
- H04L 27/2656Frame synchronisation824
Recent patents
- Method and apparatus for synchronization for Vehicle-to-X communication6 Oct 2026US 12,757,134 B2Innovative Technology Lab Co., Ltd.
- Wireless communication method for time-frequency domain synchronization, terminal device, and network device6 Oct 2026US 12,757,142 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Mixing coefficient data specific to a processing mode selection using layers of multiplication/accumulation units for wireless communication29 Sep 2026US 12,750,262 B2Micron Technology, Inc.
- System frame number configuration29 Sep 2026US 12,750,267 B2QUALCOMM Incorporated
- Wireless communication device and method to operate near-full duplex wireless mesh network22 Sep 2026US 12,744,701 B1Peltbeam Inc.
- Sensing signal transmission method, electronic device, and storage medium8 Oct 2026US 2026/0312743 A1Zte Corporation
- Signal processing for wireless communication8 Oct 2026US 2026/0312849 A1Telefonaktiebolaget LM Ericsson (publ)
- Band gap mitigation during component carrier sensing8 Oct 2026US 2026/0312857 A1Intel Corporation
- Methods for cyclic prefix handling for low-power receivers8 Oct 2026US 2026/0312858 A1
- Communication method and apparatus1 Oct 2026US 2026/0303275 A1Beijing Xiaomi Mobile Software Co., Ltd.
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
- Timing and frequency synchronization of OFDM signals425US 5,732,113 AStanford University · 1998
- Transport of payload information and control messages on multiple orthogonal carriers spread throughout substantially all of a frequency bandwith320US 6,275,990 B1ADC Telecommunications, Inc. · 2001
- Signal modulation method resistant to echo reflections and frequency offsets296US 9,083,595 B2Cohere Technologies, Inc. · 2015
- System and method for distributed input distributed output wireless communications272US 7,599,420 B2Rearden, LLC · 2009