H04L 27/2659
Coarse or integer frequency offset determination and synchronisation
Official title: {Coarse or integer frequency offset determination and synchronisation}
H04L27/2659 (Coarse or integer frequency offset determination and synchronisation) appears on 351 US grants and 314 published applications in this corpus.
Search patents in H04L- Granted patents
- 351
- Published applications
- 314
- Assignees
- 166
- Inventors
- 687
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 0 |
| 2002 | 5 | 8 |
| 2003 | 7 | 5 |
| 2004 | 4 | 11 |
| 2005 | 4 | 7 |
| 2006 | 8 | 15 |
| 2007 | 8 | 10 |
| 2008 | 6 | 12 |
| 2009 | 11 | 22 |
| 2010 | 18 | 11 |
| 2011 | 21 | 18 |
| 2012 | 18 | 9 |
| 2013 | 24 | 15 |
| 2014 | 16 | 10 |
| 2015 | 21 | 17 |
| 2016 | 19 | 16 |
| 2017 | 20 | 25 |
| 2018 | 15 | 13 |
| 2019 | 20 | 21 |
| 2020 | 20 | 23 |
| 2021 | 32 | 19 |
| 2022 | 11 | 8 |
| 2023 | 15 | 7 |
| 2024 | 5 | 5 |
| 2025 | 6 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for determining transmission slot and related apparatus4 Aug 2026US 12,701,039 B2Huawei Technologies Co., Ltd.
- Method and device for synchronization23 Dec 2025US 12,506,651 B2Sennheiser electronic GmbH & Co. KG
- Wi-Fi based fine ranging using carrier phase information2 Sep 2025US 12,407,593 B2Samsung Electronics Co., Ltd.
- Fast wakeup recovery for NBIOT systems8 Jul 2025US 12,356,330 B2STMicroelectronics International N. V.
- Apparatus and method used in WLANs22 Apr 2025US 12,284,637 B2Intel Corporation
- Band gap mitigation during component carrier sensing8 Oct 2026US 2026/0312857 A1Intel Corporation
- Configuring reference signal communication for multiple devices28 May 2026US 2026/0150072 A1Lenovo (Singapore) Pte. Ltd.
- Communication method and apparatus based on ppdu15 Jan 2026US 2026/0019208 A1Huawei Technologies Co., Ltd.
- Method of compensating a clock offset between devices in a uwb-mms ranging process20 Nov 2025US 2025/0358756 A1NXP B. V.
- Transparency window aware sequence selection and transmission procedure for device discovery and range estimation27 Mar 2025US 2025/0106090 A1InterDigital Patent Holdings, Inc.
Most cited
By later US patents
- Multicarrier transmission system for irregular transmission of data blocks90US 6,438,173 B1Infineon Technologies AG · 2002
- Synchronization in a multiple-input/multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system for wireless applications89US 7,009,931 B2Nortel Networks Limited · 2006
- Burst carrier frequency synchronization and iterative frequency-domain frame synchronization for OFDM83US 6,618,452 B1Telefonaktiebolaget LM Ericsson (publ) · 2003
- Method and digital receiver for receiving orthogonal frequency-division multiplexed signals81US 5,946,292 AMitsubishi Denki Kabushiki Kaisha · 1999
- Method to indicate synchronization lock of a remote station with a base station78US 5,943,375 AAT&T Wireless Services, Inc. · 1999