H04L 27/3427
In which the constellation is the n - fold cartesian product of
Official title: {in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation}
H04L27/3427 (In which the constellation is the n - fold cartesian product of) appears on 229 US grants and 118 published applications in this corpus.
Search patents in H04L- Granted patents
- 229
- Published applications
- 118
- Assignees
- 109
- Inventors
- 347
- Latest grant
- 4 Aug 2026
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 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 13 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 12 |
| 2003 | 4 | 9 |
| 2004 | 8 | 11 |
| 2005 | 4 | 5 |
| 2006 | 9 | 5 |
| 2007 | 4 | 1 |
| 2008 | 6 | 1 |
| 2009 | 7 | 4 |
| 2010 | 3 | 4 |
| 2011 | 1 | 4 |
| 2012 | 7 | 4 |
| 2013 | 5 | 4 |
| 2014 | 5 | 4 |
| 2015 | 5 | 2 |
| 2016 | 2 | 4 |
| 2017 | 4 | 4 |
| 2018 | 3 | 4 |
| 2019 | 6 | 12 |
| 2020 | 9 | 5 |
| 2021 | 4 | 3 |
| 2022 | 1 | 5 |
| 2023 | 4 | 3 |
| 2024 | 5 | 2 |
| 2025 | 2 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Data processing method and data processing apparatus4 Aug 2026US 12,700,949 B2Huawei Technologies Co., Ltd.
- Data modulation method and apparatus, and medium and storage medium4 Aug 2026US 12,701,038 B2Zte Corporation
- Probabilistic constellation shaping of multi-dimensional symbols for improved tolerance to nonlinear impairments25 Nov 2025US 12,483,352 B2Ciena Corporation
- Methods for communicating N+1 bits and related nodes25 Nov 2025US 12,483,458 B2Sony Group Corporation
- Bits-to-symbols mapping for amplitude modulation22 Oct 2024US 12,126,483 B2Nokia Solutions and Networks Oy
- Signal modulation method, communication device, and storage medium9 Jul 2026US 2026/0197221 A1Zte Corporation
- Information transmission method, communication device, and storage medium28 May 2026US 2026/0149633 A1Zte Corporation
- Data processing method and data processing apparatus25 Dec 2025US 2025/0392408 A1Huawei Technologies Co., Ltd.
- Data modulation method and apparatus, and medium and storage medium27 Nov 2025US 2025/0365185 A1Zte Corporation
- Modulation scheme for channel codes2 Oct 2025US 2025/0310021 A1QUALCOMM Incorporated
Most cited
By later US patents
- Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant683US 5,991,308 ATerayon Communication Systems, Inc. · 1999
- Multi-channel trellis encoder/decoder278US 4,980,897 ATelebit Corporation · 1990
- Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises193US 4,924,492 AAmerican Telephone and Telegraph Company · 1990
- Equalization and decision-directed loops with trellis demodulation in high definition TV140US 6,775,334 B1Broadcom Corporation · 2004
- Multilevel coding using trellis-coded modulation and reed-solomon codes136US 5,258,987 AAT&T Bell Laboratories · 1993