H04L 27/2082
For offset or staggered quadrature phase shift keying
Official title: {for offset or staggered quadrature phase shift keying}
H04L27/2082 (For offset or staggered quadrature phase shift keying) appears on 107 US grants and 98 published applications in this corpus.
Search patents in H04L- Granted patents
- 107
- Published applications
- 98
- Assignees
- 81
- Inventors
- 275
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 1 |
| 2004 | 0 | 4 |
| 2005 | 2 | 1 |
| 2006 | 6 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 4 |
| 2011 | 3 | 3 |
| 2012 | 1 | 4 |
| 2013 | 4 | 1 |
| 2014 | 3 | 2 |
| 2015 | 3 | 2 |
| 2016 | 1 | 1 |
| 2017 | 3 | 6 |
| 2018 | 4 | 6 |
| 2019 | 11 | 14 |
| 2020 | 9 | 8 |
| 2021 | 10 | 12 |
| 2022 | 6 | 1 |
| 2023 | 4 | 3 |
| 2024 | 4 | 6 |
| 2025 | 5 | 4 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for multiple supply IQ sharing in digital to analog signal conversion9 Jun 2026US 12,652,204 B2Instituto de Pesquisas Eldorado
- Wake-up signal waveform design31 Mar 2026US 12,592,797 B2Rakuten Symphony, Inc.
- Information transmission method and apparatus, terminal and network device10 Mar 2026US 12,574,931 B2Datang Mobile Communications Equipment Co., Ltd.
- Method and sensor bus system30 Sep 2025US 12,432,102 B2Robert Bosch GmbH
- Techniques for hybridized ultra-wideband and narrowband signaling3 Jun 2025US 12,323,354 B2Apple Inc.
- Channel estimation reference signal on quadrature amplitude modulation sub-constellation24 Sep 2026US 2026/0291800 A1QUALCOMM Incorporated
- Signaling designs enabling unequal modulation transmission on spatial streams in wireless communications17 Sep 2026US 2026/0281215 A1Mediatek Inc.
- Supporting frequency multiplexing of orthogonal frequency division multiplexing and single carrier modulation3 Sep 2026US 2026/0261370 A1Telefonaktiebolaget LM Ericsson (publ)
- Techniques for handling hybrid automatic repeat request-acknowledgment (harq-ack) codebook size mismatch27 Aug 2026US 2026/0254565 A1QUALCOMM Incorporated
- Multi-rate quadrature phase shift keying11 Jun 2026US 2026/0163774 A1Rockwell Collins, Inc.
Most cited
By later US patents
- Correlated signal processor156US 4,567,602 ACanadian Patents and Development Limited · 1986
- Circuit for amplitude and phase modulation of carrier signal by two respective input signals90US 4,485,357 AU. S. Philips Corporation · 1984
- QPSK Suppressed carrier with rotating reference phase50US 4,267,591 ACincinnati Electronics Corporation · 1981
- Transmission system for digital signals, and transmitter and receiver therefor47US 5,881,107 ADeutsche ITT Industries GmbH · 1999
- Linearized offset QPSK modulation utilizing a sigma-delta based frequency modulator44US 6,975,687 B2Hughes Electronics Corporation · 2005