H04L 27/3455
In order to facilitate carrier recovery at the receiver end
Official title: {in order to facilitate carrier recovery at the receiver end, e.g. by transmitting a pilot or by using additional signal points to allow the detection of rotations}
H04L27/3455 (In order to facilitate carrier recovery at the receiver end) appears on 98 US grants and 86 published applications in this corpus.
Search patents in H04L- Granted patents
- 98
- Published applications
- 86
- Assignees
- 67
- Inventors
- 202
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 2 |
| 2003 | 2 | 5 |
| 2004 | 2 | 4 |
| 2005 | 4 | 1 |
| 2006 | 4 | 0 |
| 2007 | 0 | 1 |
| 2008 | 3 | 6 |
| 2009 | 3 | 7 |
| 2010 | 2 | 2 |
| 2011 | 4 | 2 |
| 2012 | 3 | 3 |
| 2013 | 3 | 3 |
| 2014 | 4 | 6 |
| 2015 | 3 | 4 |
| 2016 | 8 | 10 |
| 2017 | 6 | 7 |
| 2018 | 2 | 5 |
| 2019 | 8 | 4 |
| 2020 | 5 | 1 |
| 2021 | 7 | 3 |
| 2022 | 2 | 4 |
| 2023 | 5 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Frame structure indication method, frame structure updating method, and related device18 Feb 2025US 12,231,281 B2Vivo Mobile Communication Co., Ltd.
- Method for auto-detection of WLAN packets using STF26 Nov 2024US 12,155,399 B2Huawei Technologies Co., Ltd.
- Power and spectral efficiency based on adding odd order modulations24 Sep 2024US 12,101,215 B2QUALCOMM Incorporated
- Method and apparatus for phase-aided adaptive modulation27 Aug 2024US 12,074,733 B2Telefonaktiebolaget LM Ericsson (publ)
- Techniques for phase tracking to enable higher modulation orders in wireless communications28 Nov 2023US 11,831,568 B2QUALCOMM Incorporated
- Power and spectral efficiency based on adding odd order modulations14 Mar 2024US 2024/0089163 A1QUALCOMM Incorporated
- Method for Auto-Detection of WLAN Packets using STF10 Aug 2023US 2023/0253986 A1Huawei Technologies Co., Ltd.
- Frame structure indication method, frame structure updating method, and related device29 Jun 2023US 2023/0208698 A1Vivo Mobile Communication Co., Ltd.
- Receiving device26 Jan 2023US 2023/0024413 A1Anritsu Corporation
- Method and apparatus for phase-aided adaptive modulation18 Aug 2022US 2022/0263687 A1Telefonaktiebolaget LM Ericsson (publ)
Most cited
By later US patents
- Signal constellations for multi-carrier systems172US 7,394,865 B2Nokia Corporation · 2008
- Peak to average power ratio reduction methodology for QAM communications systems119US 5,381,449 AMotorola, Inc. · 1995
- Communication signal having a time domain pilot component103US 5,519,730 A1996
- Differentially encoded pilot word system and method for wireless transmissions of digital data88US 5,809,083 AAT&T Wireless Services, Inc. · 1998
- Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and communication method74US 6,888,789 B1Sony Corporation · 2005