H04L 27/2078
In which the phase change per symbol period is constrained
Official title: {in which the phase change per symbol period is constrained (coset coding H04L27/186)}
H04L27/2078 (In which the phase change per symbol period is constrained) appears on 146 US grants and 134 published applications in this corpus.
Search patents in H04L- Granted patents
- 146
- Published applications
- 134
- Assignees
- 99
- Inventors
- 372
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 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 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 4 |
| 2003 | 3 | 2 |
| 2004 | 2 | 6 |
| 2005 | 2 | 1 |
| 2006 | 8 | 4 |
| 2007 | 1 | 6 |
| 2008 | 4 | 4 |
| 2009 | 1 | 1 |
| 2010 | 5 | 5 |
| 2011 | 5 | 5 |
| 2012 | 3 | 5 |
| 2013 | 5 | 3 |
| 2014 | 4 | 3 |
| 2015 | 4 | 3 |
| 2016 | 2 | 1 |
| 2017 | 4 | 9 |
| 2018 | 4 | 7 |
| 2019 | 14 | 16 |
| 2020 | 10 | 8 |
| 2021 | 11 | 14 |
| 2022 | 6 | 2 |
| 2023 | 5 | 5 |
| 2024 | 7 | 7 |
| 2025 | 8 | 4 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Zero-crossing-avoidance encoding for quadrature amplitude modulation15 Jul 2025US 12,362,983 B2QUALCOMM Incorporated
- 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-dimensional constellations with low peak-to-average power ratio27 Aug 2026US 2026/0254702 A1QUALCOMM Incorporated
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