H04B 7/0891
Space-time diversity
Official title: {Space-time diversity (rake receivers H04B1/7115; space-time decoding H04L1/0631)}
H04B7/0891 (Space-time diversity) appears on 632 US grants and 562 published applications in this corpus.
Search patents in H04B- Granted patents
- 632
- Published applications
- 562
- Assignees
- 230
- Inventors
- 1,048
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 3 |
| 2002 | 17 | 29 |
| 2003 | 10 | 25 |
| 2004 | 17 | 29 |
| 2005 | 19 | 31 |
| 2006 | 23 | 45 |
| 2007 | 23 | 24 |
| 2008 | 27 | 21 |
| 2009 | 30 | 22 |
| 2010 | 26 | 21 |
| 2011 | 24 | 18 |
| 2012 | 17 | 13 |
| 2013 | 30 | 24 |
| 2014 | 22 | 16 |
| 2015 | 33 | 26 |
| 2016 | 22 | 21 |
| 2017 | 27 | 20 |
| 2018 | 17 | 23 |
| 2019 | 26 | 33 |
| 2020 | 30 | 22 |
| 2021 | 41 | 30 |
| 2022 | 27 | 23 |
| 2023 | 31 | 13 |
| 2024 | 17 | 15 |
| 2025 | 15 | 10 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-dimensional material-aware geometric wireless channel rendering using machine learning models6 Oct 2026US 12,756,487 B2QUALCOMM Incorporated
- Heuristic radio resource management for massive MIMO in satellite broadband communication networks29 Sep 2026US 12,750,125 B2European Space Agency
- Method and system for a repeater network that utilizes distributed transceivers with array processing29 Sep 2026US 12,750,171 B2Peltbeam Inc.
- Method and system for a repeater network that utilizes distributed transceivers with array processing25 Aug 2026US 12,719,627 B2Peltbeam Inc.
- Information processing device and information processing method11 Aug 2026US 12,705,981 B2Nissan Motor Co., Ltd.
- Method and system for a repeater network that utilizes distributed transceivers with array processing21 May 2026US 2026/0142763 A1Peltbeam Inc.
- Reconfigurable intelligent surface and control thereof14 May 2026US 2026/0135590 A1Telefonaktiebolaget LM Ericsson (publ)
- Channel extraction digital beamforming7 May 2026US 2026/0128756 A1Space Exploration Technologies Corp.
- Transmit beamforming enhancement29 Jan 2026US 2026/0031895 A1Hewlett Packard Enterprise Development LP
- Communication method and communication apparatus15 Jan 2026US 2026/0019225 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- CDMA microcellular telephone system and distributed antenna system therefor661US 5,280,472 AQUALCOMM Incorporated · 1994
- System and method for equalizing the delay time for transmission paths in a distributed antenna network457US 5,805,983 AEricsson Inc. · 1998
- Dual distributed antenna system415US 5,513,176 AQUALCOMM Incorporated · 1996
- Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter415US 6,351,499 B1Iospan Wireless, Inc. · 2002
- Method and apparatus for utilizing channel state information in a wireless communication system316US 6,771,706 B2QUALCOMM Incorporated · 2004