H04L 7/0334
Processing of samples having at least three levels
Official title: {Processing of samples having at least three levels, e.g. soft decisions}
H04L7/0334 (Processing of samples having at least three levels) appears on 611 US grants and 291 published applications in this corpus.
Search patents in H04L- Granted patents
- 611
- Published applications
- 291
- Assignees
- 257
- Inventors
- 900
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 14 | 0 |
| 1994 | 13 | 0 |
| 1995 | 18 | 0 |
| 1996 | 19 | 0 |
| 1997 | 22 | 0 |
| 1998 | 29 | 0 |
| 1999 | 35 | 0 |
| 2000 | 23 | 0 |
| 2001 | 40 | 12 |
| 2002 | 26 | 25 |
| 2003 | 16 | 18 |
| 2004 | 21 | 18 |
| 2005 | 18 | 15 |
| 2006 | 21 | 18 |
| 2007 | 14 | 14 |
| 2008 | 16 | 10 |
| 2009 | 9 | 10 |
| 2010 | 16 | 12 |
| 2011 | 12 | 10 |
| 2012 | 14 | 10 |
| 2013 | 8 | 1 |
| 2014 | 16 | 11 |
| 2015 | 15 | 14 |
| 2016 | 17 | 10 |
| 2017 | 18 | 16 |
| 2018 | 13 | 11 |
| 2019 | 14 | 7 |
| 2020 | 10 | 9 |
| 2021 | 12 | 7 |
| 2022 | 11 | 7 |
| 2023 | 7 | 10 |
| 2024 | 9 | 9 |
| 2025 | 11 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for processing variable coding and modulation (VCM) based communication signals using feedforward carrier and timing recovery10 Mar 2026US 12,574,272 B2Kratos Integral Holdings, LLC
- Clock adjustment circuit using pattern filter circuit to select predetermined data patterns for phase error detection under acquisition mode and tracking mode and associated clock adjustment method6 Jan 2026US 12,517,545 B2Mediatek Inc.
- Receiving device and operating method thereof2 Dec 2025US 12,489,597 B2Samsung Electronics Co., Ltd.
- Kalman filter based phase-locked loop with re-encoding based phase detector25 Nov 2025US 12,483,380 B2Silicon Laboratories Inc.
- Two-point sampling optimization method and system for sinusoidal excitation-based frequency response measurement18 Nov 2025US 12,476,779 B2Xi' An Jiaotong University
- Integrated kalman filter-based phase-locked loop and viterbi equalizer27 Aug 2026US 2026/0254607 A1Silicon Laboratories Inc.
- Pattern transition filter for clock data recovery9 Jul 2026US 2026/0197153 A1QUALCOMM Incorporated
- Receiver25 Jun 2026US 2026/0180836 A1NXP B. V.
- Phase estimation for clock-and-data recovery initialisation in an optical receiver of a passive optical network4 Sep 2025US 2025/0279875 A1Nokia Solutions and Networks Oy
- Dual mode clock and data recovery circuit using oversampling or baud rate and method of operating same26 Jun 2025US 2025/0211240 A1Korea University Research and Business Foundation
Most cited
By later US patents
- Signal processing system169US 5,793,818 ADiscovision Associates · 1998
- Symbol-quality evaluation in a digital communications receiver131US 6,212,246 B1DSP Group Ltd. · 2001
- Efficient fir filter for high-speed communication118US 6,272,173 B1Broadcom Corporation · 2001
- Apparatus and method for demodulating a digital modulation signal108US 5,111,152 ATokyo Electric Co., Ltd. · 1992
- Comparator circuit106US 5,635,864 ADiscovision Associates · 1997