H04L 27/2665
Fine synchronisation
Official title: {Fine synchronisation, e.g. by positioning the FFT window}
H04L27/2665 (Fine synchronisation) appears on 331 US grants and 341 published applications in this corpus.
Search patents in H04L- Granted patents
- 331
- Published applications
- 341
- Assignees
- 158
- Inventors
- 687
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 6 |
| 2003 | 3 | 4 |
| 2004 | 2 | 5 |
| 2005 | 4 | 9 |
| 2006 | 10 | 16 |
| 2007 | 4 | 21 |
| 2008 | 5 | 15 |
| 2009 | 7 | 15 |
| 2010 | 18 | 26 |
| 2011 | 22 | 13 |
| 2012 | 25 | 22 |
| 2013 | 33 | 9 |
| 2014 | 18 | 17 |
| 2015 | 15 | 17 |
| 2016 | 22 | 20 |
| 2017 | 12 | 21 |
| 2018 | 17 | 12 |
| 2019 | 23 | 19 |
| 2020 | 16 | 24 |
| 2021 | 20 | 13 |
| 2022 | 11 | 8 |
| 2023 | 12 | 10 |
| 2024 | 5 | 8 |
| 2025 | 6 | 8 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- FFT window adjustment based on PRS peak processing24 Mar 2026US 12,587,980 B2QUALCOMM Incorporated
- Communication apparatus and communication method24 Feb 2026US 12,562,817 B2NTT, Inc.
- Techniques for random access communication support using remotely-located nodes in a wireless network30 Dec 2025US 12,513,740 B2QUALCOMM Incorporated
- Apparatus and method for symbol time recovery using feedback loop11 Nov 2025US 12,470,449 B2Samsung Electronics Co., Ltd.
- Extremely high throughput trigger based (EHTTB) legacy preamble puncturing for fine timing and frequency offset estimation9 Sep 2025US 12,413,356 B2Cisco Technology, Inc.
- Techniques for transmitter equalization based on sampling time offsets associated with a user equipment23 Apr 2026US 2026/0113222 A1QUALCOMM Incorporated
- Positioning in o-ran environments16 Apr 2026US 2026/0106786 A1QUALCOMM Incorporated
- Apparatus and method for symbol time recovery using feedback loop5 Feb 2026US 2026/0039532 A1Samsung Electronics Co., Ltd.
- Receiving apparatus for and method of performing channel smoothing related to wireless radio system of ofdm4 Dec 2025US 2025/0374255 A1Nordic Semiconductor ASA
- Multipath mitigation, interference cancellation and multilateration in a cellular network supporting accurate and resilient pnt services16 Oct 2025US 2025/0323766 A1NextNav France
Most cited
By later US patents
- Frame synchronization in multicarrier transmission systems196US 5,627,863 AAmati Communications Corporation · 1997
- System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design176US 7,548,506 B2Nortel Networks Limited · 2009
- Method and apparatus for synchronization in digital transmisison systems of the OFDM type137US 5,652,772 ATelia AB · 1997
- Method and device for synchronization at OFDM-system107US 5,812,523 ATelia AB · 1998
- OFDM synchronization demodulation circuit105US 5,602,835 AKabushiki Kaisha Toshiba · 1997