H04L 27/363
Using non - square modulating pulses, modulators specifically designed for this
Official title: {using non - square modulating pulses, modulators specifically designed for this (transmission of non - square QAM H04L27/3494)}
H04L27/363 (Using non - square modulating pulses, modulators specifically designed for this) appears on 38 US grants and 34 published applications in this corpus.
Search patents in H04L- Granted patents
- 38
- Published applications
- 34
- Assignees
- 23
- Inventors
- 58
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 3 | 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 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 4 |
| 2005 | 1 | 0 |
| 2006 | 3 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 3 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 3 | 5 |
| 2021 | 2 | 2 |
| 2022 | 4 | 4 |
| 2023 | 4 | 3 |
| 2024 | 4 | 2 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Asymmetric constellations for channel characterization14 Oct 2025US 12,445,326 B2QUALCOMM Incorporated
- Non-square quadrature amplitude modulation in wireless communication systems6 May 2025US 12,294,479 B2QUALCOMM Incorporated
- Devices, systems, and methods employing polynomial symbol waveforms10 Dec 2024US 12,166,622 B2Astrapi Corporation
- Transmission device and transmission method3 Dec 2024US 12,160,376 B2Panasonic Intellectual Property Corporation of America
- Probabilistic shaping QAM dynamic equalization and digital signal processing method13 Aug 2024US 12,063,138 B2Soochow University
- Asymmetric constellations for channel characterization17 Apr 2025US 2025/0125997 A1QUALCOMM Incorporated
- Transmission device and transmission method20 Mar 2025US 2025/0096961 A1Panasonic Intellectual Property Corporation of Ameirca
- Transmission device and transmission method30 May 2024US 2024/0178953 A1Panasonic Intellectual Property Corporation of America
- Non-square quadrature amplitude modulation in wireless communication systems21 Mar 2024US 2024/0097961 A1QUALCOMM Incorporated
- Devices, Systems, And Methods Employing Polynomial Symbol Waveforms7 Dec 2023US 2023/0396483 A1Astrapi Corporation
Most cited
By later US patents
- Spectrally efficient digital modulation method and apparatus116US 4,737,969 AMotorola, Inc. · 1988
- Multilevel modulator capable of producing a composite modulated signal comprising a quadrature amplitude modulated component and a phase modulated component51US 4,751,478 ANEC Corporation · 1988
- System and method for reducing adjacent channel interference (ACI) in a multicarrier modulation system31US 6,934,246 B2Motorola, Inc. · 2005
- Constrained-envelope digital-communications transmission system and method therefor29US 6,104,761 ASicom, Inc. · 2000
- Constrained-envelope transmitter and method therefor17US 6,366,619 B1Sicom, Inc. · 2002