H04L 27/2656
Frame synchronisation
Official title: {Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation}
H04L27/2656 (Frame synchronisation) appears on 824 US grants and 890 published applications in this corpus.
Search patents in H04L- Granted patents
- 824
- Published applications
- 890
- Assignees
- 322
- Inventors
- 1,724
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 6 |
| 2002 | 7 | 9 |
| 2003 | 4 | 13 |
| 2004 | 9 | 19 |
| 2005 | 13 | 21 |
| 2006 | 17 | 35 |
| 2007 | 15 | 49 |
| 2008 | 22 | 50 |
| 2009 | 30 | 67 |
| 2010 | 41 | 50 |
| 2011 | 45 | 47 |
| 2012 | 63 | 34 |
| 2013 | 60 | 32 |
| 2014 | 58 | 46 |
| 2015 | 52 | 47 |
| 2016 | 45 | 43 |
| 2017 | 46 | 45 |
| 2018 | 37 | 47 |
| 2019 | 44 | 41 |
| 2020 | 53 | 34 |
| 2021 | 44 | 32 |
| 2022 | 20 | 24 |
| 2023 | 21 | 16 |
| 2024 | 24 | 14 |
| 2025 | 14 | 34 |
| 2026 | 10 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Method and arrangements for supporting serving of multiple wireless devices based on prediction of radio channel estimation accuracy degredation11 Aug 2026US 12,706,794 B2Telefonaktiebolaget LM Ericsson (publ)
- System for performing propagation channel estimation by cooperation between base stations16 Jun 2026US 12,659,192 B2SoftBank Corp.
- Time aligning in a distributed antenna system downlink data originating from two different types of donor base stations16 Jun 2026US 12,659,213 B2Outdoor Wireless Networks LLC
- Duplex pattern configurations for time division duplex patterns and sub-band full duplex patterns24 Sep 2026US 2026/0291703 A1QUALCOMM Incorporated
- Time aligning in a distributed antenna system downlink data originating from two different types of donor base stations17 Sep 2026US 2026/0280956 A1Outdoor Wireless Networks LLC
- Load balancing for uplink carrier aggregation17 Sep 2026US 2026/0281834 A1T-Mobile Innovations LLC
- Wireless relay device and communication method17 Sep 2026US 2026/0282164 A1Ntt Docomo, Inc.
- Methods for scheduling restriction extension for uplink (ul) transmission in a time division duplex (tdd) band10 Sep 2026US 2026/0270132 A1Apple Inc.
Most cited
By later US patents
- Hybrid wireless wire-line network integration and management215US 6,021,158 ATexas Instruments Incorporated · 2000
- Method and apparatus for frame synchronization in mobile OFDM data communication211US 5,444,697 AThe University of British Columbia · 1995
- MDSL host interface requirement specification206US 5,910,970 ATexas Instruments Incorporated · 1999
- Modem initialization process for line code and rate selection in DSL data communication194US 5,987,061 ATexas Instruments Incorporated · 1999
- Random access orthogonal frequency division multiplex system and method149US 5,909,436 ATelia AB · 1999