H04L 25/0244
With inversion
Official title: {with inversion}
H04L25/0244 (With inversion) appears on 185 US grants and 182 published applications in this corpus.
Search patents in H04L- Granted patents
- 185
- Published applications
- 182
- Assignees
- 105
- Inventors
- 378
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 8 |
| 2004 | 2 | 12 |
| 2005 | 0 | 5 |
| 2006 | 4 | 9 |
| 2007 | 11 | 12 |
| 2008 | 7 | 10 |
| 2009 | 8 | 23 |
| 2010 | 12 | 22 |
| 2011 | 13 | 12 |
| 2012 | 25 | 11 |
| 2013 | 22 | 14 |
| 2014 | 20 | 4 |
| 2015 | 10 | 2 |
| 2016 | 8 | 5 |
| 2017 | 3 | 0 |
| 2018 | 4 | 6 |
| 2019 | 4 | 7 |
| 2020 | 5 | 2 |
| 2021 | 6 | 2 |
| 2022 | 1 | 4 |
| 2023 | 2 | 1 |
| 2024 | 4 | 4 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Adaptive filter circuit having low complexity and flexible structure and device including the same2 Sep 2025US 12,407,547 B2Samsung Electronics Co., Ltd.
- Method of channel estimation in a communication system as well as signal processing system27 Aug 2024US 12,074,734 B2Rohde & Schwarz GmbH & Co.KG
- Wireless communication system, wireless communication method, and transmission device6 Aug 2024US 12,057,898 B2Nippon Telegraph and Telephone Corporation
- Channel-matrix dependent step size for iterative precoding matrix calculation16 Apr 2024US 11,962,372 B2Telefonaktiebolaget LM Ericsson (publ)
- Signal processing method and apparatus, and storage medium6 Aug 2026US 2026/0230350 A1Datang Mobile Communications Equipment Co., Ltd.
- Identifying directions to transmit wireless signals18 Jun 2026US 2026/0172085 A1NVIDIA Corporation
- Occ/mui removal filter based frequency domain channel estimation11 Sep 2025US 2025/0286752 A1Samsung Electronics Co., Ltd.
- Precoding for beamforming5 Jun 2025US 2025/0183973 A1British Telecommunications Public Ltd.Co.
- Method and system for iterative downlink passive intermodulation spatial avoidance14 Nov 2024US 2024/0380423 A1Telefonaktiebolaget LM Ericsson (publ)
Most cited
By later US patents
- Method and apparatus for utilizing channel state information in a wireless communication system316US 6,771,706 B2QUALCOMM Incorporated · 2004
- Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission267US 6,751,187 B2QUALCOMM Incorporated · 2004
- Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion243US 7,072,413 B2QUALCOMM Incorporated · 2006
- Method and apparatus for utilizing channel state information in a wireless communication system163US 7,006,848 B2QUALCOMM Incorporated · 2006
- Scattered pilot pattern and channel estimation method for MIMO-OFDM systems152US 7,248,559 B2Nortel Networks Limited · 2007