H04B 7/2615
Using hybrid frequency-time division multiple access [fdma-tdma]
Official title: {using hybrid frequency-time division multiple access [FDMA-TDMA]}
H04B7/2615 (Using hybrid frequency-time division multiple access [fdma-tdma]) appears on 243 US grants and 241 published applications in this corpus.
Search patents in H04B- Granted patents
- 243
- Published applications
- 241
- Assignees
- 98
- Inventors
- 468
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 7 |
| 2003 | 3 | 1 |
| 2004 | 3 | 2 |
| 2005 | 3 | 4 |
| 2006 | 2 | 7 |
| 2007 | 2 | 11 |
| 2008 | 5 | 13 |
| 2009 | 4 | 13 |
| 2010 | 7 | 11 |
| 2011 | 5 | 6 |
| 2012 | 11 | 3 |
| 2013 | 11 | 9 |
| 2014 | 9 | 10 |
| 2015 | 7 | 18 |
| 2016 | 15 | 22 |
| 2017 | 15 | 21 |
| 2018 | 16 | 20 |
| 2019 | 24 | 17 |
| 2020 | 22 | 18 |
| 2021 | 20 | 10 |
| 2022 | 10 | 6 |
| 2023 | 12 | 3 |
| 2024 | 5 | 5 |
| 2025 | 4 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Out of band demand assigned multiple access21 Apr 2026US 12,609,765 B2Hughes Network Systems, LLC
- Systems and methods for concurrent spectrum usage within actively used spectrum11 Nov 2025US 12,470,941 B2Rearden, LLC
- Uplink power control for distributed wireless communication4 Nov 2025US 12,464,473 B2InterDigital Patent Holdings, Inc.
- Communication apparatus, communication method, and recording medium27 May 2025US 12,317,237 B2Sony Group Corporation
- Spectrum sharing for a terrestrial-satellite hybrid environment4 Mar 2025US 12,244,400 B2Dish Wireless L. L. C.
- Systems and methods for concurrent spectrum usage within actively used spectrum12 Feb 2026US 2026/0046636 A1Rearden, LLC
- Communication apparatus, communication method, and recording medium7 Aug 2025US 2025/0254668 A1Sony Group Corporation
- Out of Band Demand Assigned Multiple Access26 Dec 2024US 2024/0430003 A1Hughes Network Systems, LLC
- Uplink Subframe Shortening in Time-Division Duplex (TDD) Systems29 Aug 2024US 2024/0292426 A1
- Downlink Subframe Shortening in Time-Division Duplex (TDD) Systems23 May 2024US 2024/0171365 A1
Most cited
By later US patents
- Periodic wireless data broadcast193US 5,842,010 ABell Communications Research, Inc. · 1998
- Reverse channel reuse scheme in a time shared cellular communication system182US 6,038,455 ACirrus Logic, Inc. · 2000
- Compatible licensed and unlicensed band portable handset unit for TDMA wireless communications system130US 5,475,677 ABell Communications Research, Inc. · 1995
- Fixed frequency-time division duplex in radio communications systems122US 6,587,444 B1Ericsson Inc. · 2003
- Arrangement and method for selectable time/frequency division multiplex communication92US 6,269,086 B1Legerity, Inc. · 2001