H03M 13/4153
Two-step sova decoding, i.e. the soft-output is determined by a second traceback
Official title: {two-step SOVA decoding, i.e. the soft-output is determined by a second traceback operation after the determination of the hard decision like in the Berrou decoder}
H03M13/4153 (Two-step sova decoding, i.e. the soft-output is determined by a second traceback) appears on 16 US grants and 10 published applications in this corpus.
Search patents in H03M- Granted patents
- 16
- Published applications
- 10
- Assignees
- 13
- Inventors
- 30
- Latest grant
- 2 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 3 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Parallel backtracking in Viterbi decoder2 Nov 2021US 11,165,446 B1NXP B. V.
- Soft output Viterbi algorithm method and decoder12 Aug 2014US 8,806,312 B2Telefonaktiebolaget'l M Ericsson (Publ)
- Methods and apparatus for processing a received signal using a multiple-step trellis and selection signals for multiple trellis paths26 Mar 2013US 8,407,571 B2Agere Systems Inc.
- Path comparison unit for determining paths in a trellis that compete with a survivor path27 Nov 2012US 8,321,770 B2Agere Systems Inc.
- Reliability metric generation for trellis-based detection and/or decoding18 Oct 2011US 8,040,953 B2Marvell World Trade Ltd.
- Soft Output Viterbi Algorithm Method and Decoder21 Jun 2012US 2012/0159288 A1Telefonaktiebolaget'l M Ericsson (Publ)
- Path Comparison Unit For Determining Paths In A Trellis That Compete With A Survivor Path25 Feb 2010US 2010/0050060 A1Agere Systems Inc.
- Reliability Unit For Determining A Reliability Value For At Least One Bit Decision24 Dec 2009US 2009/0319874 A1Agere Systems Inc.
- Path Metric Difference Computation Unit For Computing Path Differences Through A Multiple-Step Trellis24 Dec 2009US 2009/0319875 A1Agere Systems Inc.
- Methods and Apparatus for Processing a Received Signal Using a Multiple-Step Trellis and Selection Signals for Multiple Trellis Paths17 Dec 2009US 2009/0313531 A1Agere Systems Inc.
Most cited
By later US patents
- Method for a maximum likelihood decoding of a convolutional code with decision weighting, and corresponding decoder143US 5,406,570 AFrance Telecom and Telediffusion de France · 1995
- Data detection and decoding system and method76US 7,779,325 B2Agere Systems Inc. · 2010
- Two-step soft output viterbi algorithm decoder using modified trace back24US 6,445,755 B1Samsung Electronics Co., Ltd. · 2002
- Maximum-likelihood decoding23US 5,995,562 ANEC Corporation · 1999
- Soft decision Viterbi decoding with large constraint lengths19US 5,802,116 ALucent Technologies Inc. · 1998