H04B 7/0684
Using different training sequences per antenna
Official title: {using different training sequences per antenna}
H04B7/0684 (Using different training sequences per antenna) appears on 396 US grants and 436 published applications in this corpus.
Search patents in H04B- Granted patents
- 396
- Published applications
- 436
- Assignees
- 91
- Inventors
- 559
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 9 |
| 2006 | 4 | 14 |
| 2007 | 3 | 19 |
| 2008 | 5 | 11 |
| 2009 | 9 | 16 |
| 2010 | 8 | 21 |
| 2011 | 15 | 18 |
| 2012 | 20 | 24 |
| 2013 | 27 | 31 |
| 2014 | 37 | 40 |
| 2015 | 39 | 43 |
| 2016 | 34 | 28 |
| 2017 | 38 | 34 |
| 2018 | 31 | 23 |
| 2019 | 29 | 21 |
| 2020 | 25 | 23 |
| 2021 | 14 | 13 |
| 2022 | 14 | 14 |
| 2023 | 18 | 13 |
| 2024 | 13 | 9 |
| 2025 | 7 | 6 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Terminal and radio communication method13 Jan 2026US 12,526,105 B2Ntt Docomo, Inc.
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- Techniques for channel estimation23 Sep 2025US 12,426,039 B2QUALCOMM Incorporated
- Wireless communication control device and wireless communication control method to coordinate reference signal waveforms14 Aug 2025US 2025/0260533 A1Panasonic Intellectual Property Corporation of America
- Transmitting method, transmitting device, receiving method, and receiving device17 Jul 2025US 2025/0233643 A1Panasonic Intellectual Property Corporation of America
- Reconfigurable intelligent surface link identification3 Apr 2025US 2025/0112683 A1QUALCOMM Incorporated
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- Method of scrambling reference signals, device and user equipment using the method30 Jan 2025US 2025/0038915 A1Sun Patent Trust
Most cited
By later US patents
- System and method for distributed input distributed output wireless communications272US 7,599,420 B2Rearden, LLC · 2009
- Method and apparatus for preamble training in a multiple antenna communication system243US 8,619,907 B2Agere Systems Inc. · 2013
- Method and apparatus for improved long preamble formats in a multiple antenna communication system241US 7,742,390 B2Agere Systems Inc. · 2010
- Apparatus and method for estimating a plurality of channels190US 7,327,812 B2DoCoMo Communications Laboratories Europe, GmbH · 2008
- Pilots for MIMO communication system183US 7,986,742 B2QUALCOMM Incorporated · 2011