H04L 27/3827
In which the carrier is recovered using only the demodulated baseband signals
Official title: {in which the carrier is recovered using only the demodulated baseband signals}
H04L27/3827 (In which the carrier is recovered using only the demodulated baseband signals) appears on 127 US grants and 65 published applications in this corpus.
Search patents in H04L- Granted patents
- 127
- Published applications
- 65
- Assignees
- 72
- Inventors
- 215
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 3 |
| 2003 | 5 | 5 |
| 2004 | 9 | 7 |
| 2005 | 2 | 3 |
| 2006 | 3 | 1 |
| 2007 | 6 | 4 |
| 2008 | 4 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 3 |
| 2012 | 5 | 1 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 4 | 3 |
| 2016 | 5 | 7 |
| 2017 | 5 | 6 |
| 2018 | 5 | 3 |
| 2019 | 3 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Baseband receiver circuit16 Dec 2025US 12,500,619 B2NXP B. V.
- Carrier frequency recovery in a receiver13 Apr 2021US 10,979,277 B1Texas Instruments Incorporated
- Coded antenna array6 Oct 2020US 10,797,746 B2Ossia Inc.
- Estimating apparatus for bias drift of transmitting end modulator, compensating apparatus and receiver8 Sep 2020US 10,771,230 B2Fujitsu Limited
- Coherent optical reception device20 Aug 2019US 10,389,452 B2Nippon Telegraph and Telephone Corporation
- Methods and apparatus for signal modulation using lattice-based signal constellations14 Sep 2023US 2023/0291632 A1Rampart Communications, Inc.
- Baseband receiver circuit23 Mar 2023US 2023/0091838 A1NXP B. V.
- Coded Antenna Array21 May 2020US 2020/0162122 A1Ossia Inc.
- Phase error detecting module and phase error detection method28 Feb 2019US 2019/0068416 A1MStar Semiconductor, Inc.
- Coherent optical reception device10 Jan 2019US 2019/0013876 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Data communication system and method therefor203US 6,005,897 A1999
- Pragmatic trellis-coded modulation system and method therefor184US 6,097,764 ASicom, Inc. · 2000
- Phase noise and additive noise estimation in a QAM demodulator172US 6,249,180 B1Atmel Corporation · 2001
- Phase error detecting method and phase tracking loop circuit142US 5,796,786 ASamsung Electronics Co., Ltd. · 1998
- Equalization and decision-directed loops with trellis demodulation in high definition TV140US 6,775,334 B1Broadcom Corporation · 2004