H04L 27/3472
By switching between alternative constellations
Official title: {by switching between alternative constellations}
H04L27/3472 (By switching between alternative constellations) appears on 67 US grants and 57 published applications in this corpus.
Search patents in H04L- Granted patents
- 67
- Published applications
- 57
- Assignees
- 36
- Inventors
- 134
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 5 |
| 2012 | 2 | 2 |
| 2013 | 2 | 2 |
| 2014 | 3 | 3 |
| 2015 | 5 | 3 |
| 2016 | 4 | 5 |
| 2017 | 5 | 2 |
| 2018 | 0 | 4 |
| 2019 | 4 | 5 |
| 2020 | 7 | 4 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data modulation method and apparatus, and medium and storage medium4 Aug 2026US 12,701,038 B2Zte Corporation
- Bit interleaving of modulation symbol mapping for data carrying reference signals21 Jul 2026US 12,689,464 B2QUALCOMM Incorporated
- Modified super-quadrature amplitude modulation (QAM) modulation schemes based on low order mother QAM9 Jun 2026US 12,652,207 B2QUALCOMM Incorporated
- Probabilistic constellation shaping of multi-dimensional symbols for improved tolerance to nonlinear impairments25 Nov 2025US 12,483,352 B2Ciena Corporation
- Deep fusing of clos star networks to form a global contiguous web8 Apr 2025US 12,273,228 B2
- Ml-based reception of data in a wireless communication system11 Jun 2026US 2026/0163670 A1Nokia Solutions and Networks Oy
- Bit interleaving of modulation symbol mapping for data carrying reference signals21 May 2026US 2026/0142745 A1QUALCOMM Incorporated
- Modified super-quadrature amplitude modulation (qam) modulation schemes based on low order mother qam4 Dec 2025US 2025/0373481 A1QUALCOMM Incorporated
- Data modulation method and apparatus, and medium and storage medium27 Nov 2025US 2025/0365185 A1Zte Corporation
- Probabilistic Constellation Shaping of Multi-Dimensional Symbols for Improved Tolerance to Nonlinear Impairments8 Feb 2024US 2024/0048270 A1Ciena Corporation
Most cited
By later US patents
- Constellation multiplexed inband secondary channel for voiceband modem102US 4,891,806 ARacal Data Communications Inc. · 1990
- Superframes102US 5,119,403 ARacal Data Communications Inc. · 1992
- Data bit to constellation symbol mapper75US 5,185,763 ARacal-Datacom, Inc. · 1993
- Radix mapping with variable number of symbols in mapping period71US 5,222,077 ARacal-Datacom, Inc. · 1993
- Method and system for a synchronized pseudo-random privacy modem68US 4,924,516 AA.T. & T. Paradyne · 1990