H04L 25/4975
Correlative coding using tomlinson precoding, harashima precoding, trellis precoding or gprs
Official title: {Correlative coding using Tomlinson precoding, Harashima precoding, Trellis precoding or GPRS}
H04L25/4975 (Correlative coding using tomlinson precoding, harashima precoding, trellis precoding or gprs) appears on 108 US grants and 70 published applications in this corpus.
Search patents in H04L- Granted patents
- 108
- Published applications
- 70
- Assignees
- 75
- Inventors
- 221
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 3 |
| 2002 | 2 | 1 |
| 2003 | 2 | 9 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 4 | 2 |
| 2007 | 3 | 2 |
| 2008 | 0 | 2 |
| 2009 | 3 | 0 |
| 2010 | 0 | 4 |
| 2011 | 3 | 3 |
| 2012 | 6 | 3 |
| 2013 | 4 | 3 |
| 2014 | 4 | 4 |
| 2015 | 6 | 5 |
| 2016 | 2 | 2 |
| 2017 | 3 | 4 |
| 2018 | 4 | 0 |
| 2019 | 3 | 5 |
| 2020 | 4 | 2 |
| 2021 | 4 | 1 |
| 2022 | 3 | 1 |
| 2023 | 1 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scalable receiver architecture for silicon photonic links16 Sep 2025US 12,418,347 B2Intel Corporation
- Spectral sharing wireless systems29 Apr 2025US 12,289,148 B2Cohere Technologies, Inc.
- Optical interconnect system and method for data center12 Nov 2024US 12,143,250 B2Soochow University
- Decision feedback equalization for electro-magnetic interference cancellation in received signal3 Sep 2024US 12,081,373 B1Ethernovia Inc.
- Systems and methods for spectral shaping of pre-equalized transmitter signals16 Jul 2024US 12,040,922 B2Analog Devices, Inc.
- Extended symbol decoding1 Oct 2026US 2026/0303419 A1Microchip Technology Incorporated
- Tomlinson-harashima precoding adaptation for channel equalization24 Sep 2026US 2026/0291787 A1QUALCOMM Incorporated
- Spectral sharing wireless systems8 May 2025US 2025/0150130 A1Cohere Technologies, Inc.
- Precoding during link establishment11 Jul 2024US 2024/0235906 A1Intel Corporation
- Systems and methods for spectral shaping of pre-equalized transmitter signals16 May 2024US 2024/0163143 A1Analog Devices, Inc.
Most cited
By later US patents
- Device and method for combining precoding with symbol-rate spectral shaping139US 5,249,200 ACodex Corporation · 1993
- Precoding scheme for transmitting data using optimally-shaped constellations over intersymbol-interference channels107US 5,388,124 AUniversity of Maryland · 1995
- Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link105US 5,809,033 AAdtran, Inc. · 1998
- Superframes102US 5,119,403 ARacal Data Communications Inc. · 1992
- Technique for achieving the full coding gain of encoded digital signals97US 5,095,497 AAT&T Bell Laboratories · 1992