H04L 27/3881
Using sampling and digital processing, not including digital systems which imitate heterodyne
Official title: {using sampling and digital processing, not including digital systems which imitate heterodyne or homodyne demodulation}
H04L27/3881 (Using sampling and digital processing, not including digital systems which imitate heterodyne) appears on 60 US grants and 55 published applications in this corpus.
Search patents in H04L- Granted patents
- 60
- Published applications
- 55
- Assignees
- 42
- Inventors
- 99
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 4 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 2 | 4 |
| 2009 | 3 | 5 |
| 2010 | 1 | 2 |
| 2011 | 5 | 3 |
| 2012 | 4 | 2 |
| 2013 | 3 | 1 |
| 2014 | 1 | 5 |
| 2015 | 4 | 6 |
| 2016 | 8 | 5 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 1 |
| 2020 | 3 | 4 |
| 2021 | 1 | 1 |
| 2022 | 3 | 0 |
| 2023 | 0 | 3 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for data communication using amplitude-encoded sinusoids15 Jul 2025US 12,362,974 B2TeraWave, LLC
- Phasor IQ demodulation5 Nov 2024US 12,137,013 B2
- Method and apparatus for estimating frequency offset, electronic device and computer-readable medium6 Feb 2024US 11,894,966 B2Sanechips Technology Co., Ltd.
- Packet detection method and communication device18 Oct 2022US 11,477,066 B2Realtek Semiconductor Corp.
- Method and apparatus for characterizing homodyne transmitters and receivers8 Mar 2022US 11,268,997 B1Keysight Technologies, Inc.
- System and method for data communication using amplitude-encoded sinusoids5 Oct 2023US 2023/0318888 A1TeraWave, LLC
- Phasor iq demodulation13 Jul 2023US 2023/0224199 A1The United States of America as represented by the Secretary of the Navy
- Method and apparatus for estimating frequency offset, electronic device and computer-readable medium11 May 2023US 2023/0144980 A1Zte Corporation
- Packet detection method and communication device6 May 2021US 2021/0135923 A1Realtek Semiconductor Corp.
- Receiver, communication apparatus, method and computer program3 Sep 2020US 2020/0280479 A1Telefonaktiebolaget LM Ericsson (publ)
Most cited
By later US patents
- Method and system for down-converting electromagnetic signals185US 6,061,551 AParkerVision, Inc. · 2000
- Method and system for down-converting electromagnetic signals by sampling and integrating over apertures113US 6,266,518 B1ParkerVision, Inc. · 2001
- Method and circuit for down-converting a signal using a complementary FET structure for improved dynamic range102US 6,687,493 B1ParkerVision, Inc. · 2004
- Frequency translation using optimized switch structures94US 6,580,902 B1ParkerVision, Inc. · 2003
- Methods and systems for down-converting electromagnetic signals, and applications thereof85US 6,836,650 B2ParkerVision, Inc. · 2004