H03M 13/4176
Using a plurality of rams
Official title: {using a plurality of RAMs, e.g. for carrying out a plurality of traceback implementations simultaneously}
H03M13/4176 (Using a plurality of rams) appears on 14 US grants and 11 published applications in this corpus.
Search patents in H03M- Granted patents
- 14
- Published applications
- 11
- Assignees
- 15
- Inventors
- 34
- Latest grant
- 2 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 3 | 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.
- Multi-standard viterbi processor2 Dec 2014US 8,904,266 B2NXP B. V.
- Tail-biting convolutional decoder and decoding method24 Jun 2014US 8,762,822 B2MStar France SAS
- Low-latency viterbi survivor memory architecture and method using register exchange, trace-back, and trace-forward22 Apr 2014US 8,705,669 B2BlackBerry Limited
- Low-latency viterbi survivor memory architecture and method using register exchange, trace-back, and trace-forward30 Apr 2013US 8,433,004 B2Research In Motion Limited
- Low-latency viterbi survivor memory architecture and method using register exchange, trace-back, and trace-forward22 Aug 2013US 2013/0216006 A1Research In Motion Limited
- Tail-biting convolutional decoder and decoding method16 May 2013US 2013/0124947 A1MStar France SAS
- Multi-standard viterbi processor16 Feb 2012US 2012/0042229 A1NXP B. V.
- Low-latency Viterbi survivor memory architecture and method using register exchange, trace-back, and trace-forward1 Sep 2011US 2011/0211659 A1Research In Motion Limited
- Decoding Apparatus and Decoding Method9 Sep 2010US 2010/0229076 A1
Most cited
By later US patents
- Viterbi decoding apparatus and viterbi decoding method173US 6,748,034 B2Sony Corporation · 2004
- 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
- Viterbi decoding apparatus and viterbi decoding method12US 6,651,215 B2Sony Corporation · 2003
- Decoding method and apparatus12US 6,668,026 B1Sony Corporation · 2003
- Efficient method for traceback decoding of trellis (Viterbi) codes9US 7,035,356 B1Altera Corporation · 2006