H04B 7/2643
Using time-division multiple access [tdma]
Official title: {using time-division multiple access [TDMA] (H04B7/2615, H04B7/2618 take precedence)}
H04B7/2643 (Using time-division multiple access [tdma]) appears on 1,691 US grants and 1,461 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,691
- Published applications
- 1,461
- Assignees
- 448
- Inventors
- 2,721
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 25 | 0 |
| 1995 | 26 | 0 |
| 1996 | 33 | 0 |
| 1997 | 34 | 0 |
| 1998 | 46 | 0 |
| 1999 | 27 | 0 |
| 2000 | 44 | 0 |
| 2001 | 30 | 14 |
| 2002 | 38 | 40 |
| 2003 | 35 | 50 |
| 2004 | 42 | 44 |
| 2005 | 36 | 36 |
| 2006 | 39 | 43 |
| 2007 | 33 | 56 |
| 2008 | 29 | 61 |
| 2009 | 35 | 42 |
| 2010 | 51 | 58 |
| 2011 | 51 | 59 |
| 2012 | 47 | 48 |
| 2013 | 60 | 73 |
| 2014 | 72 | 121 |
| 2015 | 86 | 129 |
| 2016 | 99 | 117 |
| 2017 | 113 | 59 |
| 2018 | 95 | 83 |
| 2019 | 84 | 75 |
| 2020 | 81 | 65 |
| 2021 | 70 | 49 |
| 2022 | 51 | 52 |
| 2023 | 52 | 33 |
| 2024 | 37 | 24 |
| 2025 | 30 | 25 |
| 2026 | 11 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Timing advance indication method, communication apparatus, and storage medium25 Aug 2026US 12,720,456 B2Huawei Technologies Co., Ltd.
- Wireless communication apparatus, wireless communication system and wireless communication method14 Jul 2026US 12,683,678 B2NTT, Inc.
- Low data volume satellite communication system14 Jul 2026US 12,683,679 B2eSat Global, Inc.
- Dual active protocol stack handover with coordinated pattern9 Jun 2026US 12,652,586 B2Nokia Technologies Oy
- Communications in a wireless network19 May 2026US 12,634,004 B2Intellectual Ventures II LLC
- Asymmetric coordinated beam forming multi-access point schemes in wireless communications10 Sep 2026US 2026/0269896 A1Mediatek Inc.
- Method for data communication based on time division multiple access and apparatus therefor23 Jul 2026US 2026/0213866 A1Agency for Defense Development
- Backward compatible bandwidth extension18 Jun 2026US 2026/0172166 A1Texas Instruments Incorporated
- NTN-IoT TDD Timings11 Jun 2026US 2026/0164414 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Dynamic, multi-frequency superframe slotting21 May 2026US 2026/0143473 A1Resideo LLC
Most cited
By later US patents
- CDMA microcellular telephone system and distributed antenna system therefor661US 5,280,472 AQUALCOMM Incorporated · 1994
- Dual distributed antenna system415US 5,513,176 AQUALCOMM Incorporated · 1996
- Adaptive time division duplexing method and apparatus for dynamic bandwidth allocation within a wireless communication system335US 6,016,311 AEnsemble Communications, Inc. · 2000
- Coexisting communication systems325US 5,732,076 AOmnipoint Corporation · 1998
- Method and apparatus for forward link rate scheduling306US 6,335,922 B12002