H04B 7/2671
Arrangements for wireless time-division multiple access [tdma] system synchronisation
Official title: {Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation}
H04B7/2671 (Arrangements for wireless time-division multiple access [tdma] system synchronisation) appears on 619 US grants and 536 published applications in this corpus.
Search patents in H04B- Granted patents
- 619
- Published applications
- 536
- Assignees
- 250
- Inventors
- 1,277
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 13 | 0 |
| 1998 | 14 | 0 |
| 1999 | 20 | 0 |
| 2000 | 18 | 0 |
| 2001 | 17 | 15 |
| 2002 | 27 | 37 |
| 2003 | 19 | 27 |
| 2004 | 14 | 38 |
| 2005 | 19 | 39 |
| 2006 | 31 | 47 |
| 2007 | 26 | 57 |
| 2008 | 34 | 31 |
| 2009 | 24 | 29 |
| 2010 | 35 | 20 |
| 2011 | 32 | 15 |
| 2012 | 29 | 14 |
| 2013 | 26 | 6 |
| 2014 | 12 | 6 |
| 2015 | 10 | 17 |
| 2016 | 21 | 24 |
| 2017 | 11 | 16 |
| 2018 | 23 | 31 |
| 2019 | 25 | 11 |
| 2020 | 21 | 16 |
| 2021 | 15 | 8 |
| 2022 | 8 | 12 |
| 2023 | 14 | 8 |
| 2024 | 10 | 3 |
| 2025 | 6 | 8 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Quasi co-location relation indication for artificial intelligence or machine learning models21 Jul 2026US 12,689,433 B2QUALCOMM Incorporated
- Systems and methods for scheduling in a TDD system based on UE specific DL-UL gap requirements19 May 2026US 12,634,924 B2Telefonaktiebolaget LM Ericsson (publ)
- Synchronization in optical wireless networks for interference suppressing5 May 2026US 12,621,053 B2Signify Holding B. V.
- Performance degradation handling between radio access network nodes14 Apr 2026US 12,604,218 B2Telefonaktiebolaget LM Ericsson (publ)
- Mapping schemes for secondary synchronization signal scrambling23 Sep 2025US 12,425,989 B2Texas Instruments Incorporated
- Conditional Handover Configurations of Beams of a Cell5 Feb 2026US 2026/0039335 A1Ofinno, LLC
- Synchronization signal transmission techniques25 Dec 2025US 2025/0392382 A1Apple Inc.
- Ultra-wideband location systems and methods14 Aug 2025US 2025/0260955 A1Be Spoon
- Synchronization signal transmission techniques15 May 2025US 2025/0158705 A1Apple Inc.
- Method and apparatus for providing mbs in wireless communication system24 Apr 2025US 2025/0133516 A1LG Electronics Inc.
Most cited
By later US patents
- Method and arrangement for radio communication296US 6,028,853 ATelefonaktiebolaget LM Ericsson · 2000
- Method for clock synchronization between nodes in a packet network247US 6,816,510 B1Koninklijke Philips Electronics N. V. · 2004
- Direction finding and mobile location system for trunked mobile radio systems215US 5,592,180 ANexus1994 Limited · 1997
- Methods and apparatuses for using mobile GPS receivers to synchronize basestations in cellular networks197US 6,665,541 B1SnapTrack, Inc. · 2003
- Reverse channel reuse scheme in a time shared cellular communication system182US 6,038,455 ACirrus Logic, Inc. · 2000