H04L 27/3477
By using the outer points of the constellation or of the constituent
Official title: {by using the outer points of the constellation or of the constituent two-dimensional constellations}
H04L27/3477 (By using the outer points of the constellation or of the constituent) appears on 40 US grants and 22 published applications in this corpus.
Search patents in H04L- Granted patents
- 40
- Published applications
- 22
- Assignees
- 28
- Inventors
- 81
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 2 |
| 2014 | 3 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 6 |
| 2019 | 3 | 2 |
| 2020 | 4 | 2 |
| 2021 | 3 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Communicating nonuniform sources using systematic codes28 Oct 2025US 12,457,145 B2QUALCOMM Incorporated
- Systems and methods for transmitting and receiving auxiliary data5 Aug 2025US 12,381,770 B2Altera Corporation
- Apparatus and method for reusing existing constellation for superposed transmission7 Dec 2021US 11,196,608 B2Nokia Technologies Oy
- Auxiliary channel in PAM/QAM systems using redundant constellation points24 Aug 2021US 11,101,891 B2Huawei Technologies Co., Ltd.
- Method and apparatus for determining modulation and coding scheme4 May 2021US 10,999,002 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Communicating nonuniform sources using systematic codes2 Oct 2025US 2025/0310172 A1QUALCOMM Incorporated
- Systems And Methods For Transmitting And Receiving Auxiliary Data6 Jan 2022US 2022/0006682 A1Intel Corporation
- Auxiliary channel in pam/qam systems using redundant constellation points30 Jul 2020US 2020/0244370 A1Huawei Technologies Co., Ltd.
- Method and apparatus for determining modulation and coding scheme30 Apr 2020US 2020/0136747 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Data transmission method and device using non-uniform apsk constellations29 Aug 2019US 2019/0268210 A1Universite Du Luxembourg
Most cited
By later US patents
- Constellation multiplexed inband secondary channel for voiceband modem102US 4,891,806 ARacal Data Communications Inc. · 1990
- Digital communications synchronization scheme65US 5,134,633 AAT&T Bell Laboratories · 1992
- Trellis coding method and arrangement for fractional bit rates63US 4,941,154 AAT&T Bell Laboratories · 1990
- Synchronizing circuit for modems in a data communications network48US 3,955,141 AIntertel, Inc. · 1976
- Synchronization scheme for a digital communications system48US 5,331,670 AAT&T Bell Laboratories · 1994