H04B 7/0669
Using different channel coding between antennas
Official title: {using different channel coding between antennas (space-time coding H04L1/0618)}
H04B7/0669 (Using different channel coding between antennas) appears on 869 US grants and 923 published applications in this corpus.
Search patents in H04B- Granted patents
- 869
- Published applications
- 923
- Assignees
- 233
- Inventors
- 1,218
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 6 |
| 2002 | 10 | 20 |
| 2003 | 7 | 37 |
| 2004 | 14 | 61 |
| 2005 | 22 | 52 |
| 2006 | 31 | 55 |
| 2007 | 34 | 57 |
| 2008 | 42 | 77 |
| 2009 | 51 | 48 |
| 2010 | 52 | 56 |
| 2011 | 65 | 69 |
| 2012 | 68 | 56 |
| 2013 | 84 | 58 |
| 2014 | 58 | 35 |
| 2015 | 75 | 40 |
| 2016 | 41 | 32 |
| 2017 | 32 | 31 |
| 2018 | 29 | 38 |
| 2019 | 37 | 25 |
| 2020 | 36 | 31 |
| 2021 | 30 | 16 |
| 2022 | 13 | 5 |
| 2023 | 10 | 3 |
| 2024 | 8 | 9 |
| 2025 | 4 | 5 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter415US 6,351,499 B1Iospan Wireless, Inc. · 2002
- Spatio-temporal processing for interference handling318US 6,452,981 B1Cisco Systems, Inc. · 2002
- Method and apparatus for improved long preamble formats in a multiple antenna communication system241US 7,742,390 B2Agere Systems Inc. · 2010
- Transmitter diversity technique for wireless communications240US 6,185,258 B2AT&T Wireless Services, Inc. · 2001