H03M 13/3955
Using a trellis with a reduced state space complexity
Official title: {using a trellis with a reduced state space complexity, e.g. M-algorithm or T-algorithm}
H03M13/3955 (Using a trellis with a reduced state space complexity) appears on 28 US grants and 27 published applications in this corpus.
Search patents in H03M- Granted patents
- 28
- Published applications
- 27
- Assignees
- 28
- Inventors
- 70
- Latest grant
- 10 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 4 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 3 | 6 |
| 2010 | 3 | 2 |
| 2011 | 0 | 1 |
| 2012 | 3 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Sequence detectors10 Mar 2020US 10,587,289 B2International Business Machines Corporation
- Method of reduced state decoding and decoder thereof18 Jun 2019US 10,326,564 B2Huawei Technologies Co., Ltd.
- Sequence detectors26 Mar 2019US 10,243,591 B2International Business Machines Corporation
- Sequence detector8 Jan 2019US 10,177,876 B2International Business Machines Corporation
- Sequence detector10 Apr 2018US 9,942,005 B2International Business Machines Corporation
- Reducing startup time of a trellis-based mlse decoder27 Mar 2025US 2025/0105943 A1Microchip Technology Incorporated
- Sequence detectors31 Jan 2019US 2019/0036551 A1International Business Machines Corporation
- Sequence detector12 Jul 2018US 2018/0198558 A1International Business Machines Corporation
- Sequence detectors1 Mar 2018US 2018/0062671 A1International Business Machines Corporation
- Sequence detector1 Mar 2018US 2018/0062790 A1International Business Machines Corporation
Most cited
By later US patents
- Method and device for signal decision, receiver and channel condition estimating method for a coding communication system86US 5,907,586 AOki Electric Industry Co., Ltd. · 1999
- Reduced search symbol estimation algorithm29US 6,597,743 B1Ericsson Inc. · 2003
- Metric sifting in breadth-first decoding of convolutional coded data25US 5,901,182 ASharp Laboratories of America, Inc. · 1999
- Trellis-based receiver20US 7,197,689 B2NXP B. V. · 2007
- Maximum likelihood diversity receiver18US 4,884,272 A1989