H04L 27/2007
In which the phase change within each symbol period is constrained
Official title: {in which the phase change within each symbol period is constrained (coset coding H04L27/186)}
H04L27/2007 (In which the phase change within each symbol period is constrained) appears on 439 US grants and 318 published applications in this corpus.
Search patents in H04L- Granted patents
- 439
- Published applications
- 318
- Assignees
- 216
- Inventors
- 668
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 17 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 4 |
| 2002 | 13 | 6 |
| 2003 | 6 | 15 |
| 2004 | 10 | 24 |
| 2005 | 9 | 19 |
| 2006 | 22 | 22 |
| 2007 | 12 | 20 |
| 2008 | 25 | 22 |
| 2009 | 22 | 15 |
| 2010 | 21 | 13 |
| 2011 | 13 | 9 |
| 2012 | 17 | 15 |
| 2013 | 11 | 7 |
| 2014 | 11 | 8 |
| 2015 | 17 | 4 |
| 2016 | 12 | 21 |
| 2017 | 19 | 17 |
| 2018 | 9 | 10 |
| 2019 | 21 | 17 |
| 2020 | 16 | 9 |
| 2021 | 10 | 10 |
| 2022 | 7 | 9 |
| 2023 | 7 | 2 |
| 2024 | 5 | 10 |
| 2025 | 6 | 2 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for calculating signal quality value according to reference signal and signal under test that is derived from predetermined signal processing of reference signal28 Jul 2026US 12,696,119 B2Airoha Technology Corp.
- Peak to average power ratio reduction in wireless communication systems10 Feb 2026US 12,549,426 B2Nokia Corporation
- Bit rate-adapting resoswitch27 Jan 2026US 12,537,147 B2The Regents of the University of California
- Knowledge tracing device, method, and program6 Jan 2026US 12,518,176 B2NEC Corporation
- Techniques for phase-ramped binary phase shift keying modulation for communication16 Dec 2025US 12,500,805 B1QUALCOMM Incorporated
- Gauss frequency shift keying (gfsk) signal receiving method and apparatus, electronic device, and storage medium13 Aug 2026US 2026/0238524 A1Guangzhou Anyka Microelectronics Co., Ltd.
- Knowledge tracing device, method, and program28 May 2026US 2026/0148095 A1NEC Corporation
- Frequency modulation detection systems, devices, and methods14 May 2026US 2026/0135741 A1The MITRE Corporation
- High throughput communication system for rail applications at 44MHz14 May 2026US 2026/0135742 A1Meteorcomm LLC
- Knowledge tracing device, method, and program26 Mar 2026US 2026/0087376 A1NEC Corporation
Most cited
By later US patents
- Digital compensation for wideband modulation of a phase locked loop frequency synthesizer313US 6,008,703 AMassachusetts Institute of Technology · 1999
- Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems215US 6,470,055 B12002
- Method and system for block ARQ with reselection of FEC coding and/or modulation194US 6,208,663 B1Telefonaktiebolaget LM Ericsson (publ) · 2001
- Transmitter for encoded data bits161US 5,815,531 AEricsson Inc. · 1998
- Cardiac stimulation control and communication system154US 7,949,405 B22011