H04L 27/3845
Using non - coherent demodulation, i.e. not using a phase synchronous carrier
Official title: {using non - coherent demodulation, i.e. not using a phase synchronous carrier}
H04L27/3845 (Using non - coherent demodulation, i.e. not using a phase synchronous carrier) appears on 757 US grants and 660 published applications in this corpus.
Search patents in H04L- Granted patents
- 757
- Published applications
- 660
- Assignees
- 320
- Inventors
- 1,428
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 12 | 0 |
| 1998 | 21 | 0 |
| 1999 | 12 | 0 |
| 2000 | 15 | 0 |
| 2001 | 13 | 1 |
| 2002 | 6 | 6 |
| 2003 | 7 | 14 |
| 2004 | 13 | 20 |
| 2005 | 8 | 21 |
| 2006 | 13 | 12 |
| 2007 | 20 | 27 |
| 2008 | 19 | 46 |
| 2009 | 21 | 38 |
| 2010 | 29 | 35 |
| 2011 | 36 | 40 |
| 2012 | 49 | 41 |
| 2013 | 49 | 27 |
| 2014 | 45 | 41 |
| 2015 | 58 | 43 |
| 2016 | 46 | 31 |
| 2017 | 31 | 28 |
| 2018 | 31 | 27 |
| 2019 | 23 | 22 |
| 2020 | 36 | 42 |
| 2021 | 25 | 21 |
| 2022 | 25 | 18 |
| 2023 | 24 | 26 |
| 2024 | 18 | 19 |
| 2025 | 22 | 10 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Broadcast signal frame generation device and broadcast signal frame generation method using bootstrap including symbol for signaling BICM mode of preamble and OFDM parameter together28 Jul 2026US RE50,973 E1Electronics and Telecommunications Research Institute
- Electronic device and operating method to compensate for in-phase/quadrature imbalance30 Jun 2026US 12,671,620 B2Samsung Electronics Co., Ltd.
- Coherence bandwidth signaling for frequency domain imbalance correction26 May 2026US 12,641,585 B2QUALCOMM Incorporated
- Information transmission method and communication apparatus31 Mar 2026US 12,592,851 B2Huawei Technologies Co., Ltd.
- Electronic device for heterogeneous protocol communication, communication system including the same, and operating method thereof24 Feb 2026US 12,562,951 B2Korea Advanced Institute of Science and Technology
- Differential phase shift keying demodulator8 Oct 2026US 2026/0312694 A1BAE Systems Information and Electronic Systems Integration Inc.
- Wireless communication system, receiving device, wireless communication method and receiving program13 Aug 2026US 2026/0238540 A1NTT, Inc.
- Dynamic duty cycle control for an estimator6 Aug 2026US 2026/0230186 A1Idea Sistemas Eletronicôs LTDA S.A.
- Phase compensation for multicarrier signaling23 Jul 2026US 2026/0213992 A1
- Receiver28 Aug 2025US 2025/0274152 A1GCT Semiconductor, Inc.
Most cited
By later US patents
- Apparatus and method for digital data transmission using orthogonal codes473US 6,356,555 B1Terayon Communications Systems, Inc. · 2002
- Method and system for down-converting electromagnetic signals185US 6,061,551 AParkerVision, Inc. · 2000
- Phase noise and additive noise estimation in a QAM demodulator172US 6,249,180 B1Atmel Corporation · 2001
- Apparatus and method for detecting signal points using signal point-mapping169US 5,717,706 ASony Corporation · 1998
- Signal processing system169US 5,793,818 ADiscovision Associates · 1998