H04L 27/3438
Using an underlying generalised cross constellation
Official title: {using an underlying generalised cross constellation}
H04L27/3438 (Using an underlying generalised cross constellation) appears on 56 US grants and 18 published applications in this corpus.
Search patents in H04L- Granted patents
- 56
- Published applications
- 18
- Assignees
- 27
- Inventors
- 90
- Latest grant
- 3 Oct 2023
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 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Modulation scheme for channel codes2 Oct 2025US 2025/0310021 A1QUALCOMM Incorporated
- Transmitting apparatus and modulation method thereof17 Nov 2022US 2022/0368456 A1Samsung Electronics Co., Ltd.
- Transmitting apparatus and modulation method thereof18 Mar 2021US 2021/0083799 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises193US 4,924,492 AAmerican Telephone and Telegraph Company · 1990
- Method and apparatus for communicating digital information such as compressed video using treillis coded QAM136US 5,321,725 AGeneral Instrument Corporation · 1994
- Technique for improving the operation of decision feedback equalizers in communications systems utilizing error correction112US 5,052,000 AAT&T Bell Laboratories · 1991
- Method and apparatus for communicating digital data using trellis coded QAM99US 5,233,629 AGeneral Instrument Corporation · 1993
- Technique for achieving the full coding gain of encoded digital signals97US 5,095,497 AAT&T Bell Laboratories · 1992