H04L 27/0012
Arrangements for identifying the type of modulation
Official title: {arrangements for identifying the type of modulation}
H04L27/0012 (Arrangements for identifying the type of modulation) appears on 730 US grants and 693 published applications in this corpus.
Search patents in H04L- Granted patents
- 730
- Published applications
- 693
- Assignees
- 303
- Inventors
- 1,455
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 12 | 3 |
| 2002 | 11 | 15 |
| 2003 | 7 | 10 |
| 2004 | 10 | 19 |
| 2005 | 13 | 24 |
| 2006 | 25 | 26 |
| 2007 | 12 | 33 |
| 2008 | 20 | 22 |
| 2009 | 13 | 44 |
| 2010 | 33 | 40 |
| 2011 | 37 | 29 |
| 2012 | 52 | 32 |
| 2013 | 43 | 35 |
| 2014 | 41 | 30 |
| 2015 | 62 | 35 |
| 2016 | 34 | 39 |
| 2017 | 31 | 28 |
| 2018 | 31 | 37 |
| 2019 | 41 | 31 |
| 2020 | 25 | 31 |
| 2021 | 25 | 23 |
| 2022 | 21 | 21 |
| 2023 | 26 | 24 |
| 2024 | 24 | 26 |
| 2025 | 24 | 19 |
| 2026 | 9 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Efficient arithmetic coding for multiple composition distribution matcher (MCDM)29 Sep 2026US 12,750,263 B2QUALCOMM Incorproated
- Embedded constellation25 Aug 2026US 12,719,731 B2QUALCOMM Incorproated
- Orbital angular momentum-based communication method and apparatus and device11 Aug 2026US 12,706,788 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Data modulation method and apparatus, and medium and storage medium4 Aug 2026US 12,701,038 B2Zte Corporation
- System and method for fronthaul downlink IQ data compression16 Jun 2026US 12,659,215 B2Quanta Cloud Technology Inc.
- Modulation identification10 Sep 2026US 2026/0270123 A1
- Multi-dimensional constellations with low peak-to-average power ratio27 Aug 2026US 2026/0254702 A1QUALCOMM Incorporated
- Terminal and communication method27 Aug 2026US 2026/0254703 A1Ntt Docomo, Inc.
- Mutual information estimation for constellation shaping for encoding20 Aug 2026US 2026/0246563 A1Lenovo (United States) Inc.
- Waveform and modulation configuration for transmissions6 Aug 2026US 2026/0230243 A1QUALCOMM Incorporated
Most cited
By later US patents
- Transmission mode detection in a modulated communication system255US 5,289,476 AEchelon Corporation · 1994
- Universal modem for digital video, audio and data communications248US 6,192,070 B1Mitsubishi Electric Research Laboratories, Inc. · 2001
- Method and apparatus for reducing pilot search times utilizing mobile station location information245US 6,542,743 B1QUALCOMM Incorporated · 2003
- Spectrum surveillance receiver system244US 4,501,020 AHer Majesty in Right of Canada · 1985
- System and method for classifying signals using timing templates, power templates and other techniques236US 7,171,161 B2Cognio, Inc. · 2007